WO2024133467A1 - Sheet pile assembly for a sheet pile wall - Google Patents

Abstract

The invention relates to a sheet pile assembly for a sheet pile wall, the sheet pile assembly comprising a first sheet pile module (1a) and a second sheet pile module (1b). The first sheet pile module (1a) and the second sheet pile module (1b) each comprise a central sheet pile (10) which is formed as a Z-shaped sheet pile. A first coupling means (10a) extending along the longitudinal extent is arranged at a first section (10b) of the central sheet pile (10), and a second coupling means (10e) extending along the longitudinal extent is arranged at a second section (10d) of the central sheet pile (10). Furthermore, a first U-shaped sheet pile (20) is provided, which has a longitudinal extent extending parallel to the drive-in direction (E), said sheet pile having a first coupling means (20a) and a second coupling means (20e). Furthermore, a second U-shaped sheet pile (30) is provided, which has a longitudinal extent extending parallel to the drive-in direction (E), said sheet pile having a first coupling means (30a) and a second coupling means (30e). The first U-shaped sheet pile (20) is connected to the central sheet pile (10) and the second U-shaped sheet pile (30) is connected to the central sheet pile (10). The first U-shaped sheet pile (20) and the second U-shaped sheet pile (30) are arranged such that the open side (21) of the first U-shaped sheet pile (20) and the open side (31) of the second U-shaped sheet pile (30) point in different directions.

Description

Sheet pile arrangement for a sheet pile wall

The invention relates to a sheet pile arrangement for a sheet pile wall. The invention further relates to a sheet pile wall and a use of a sheet pile arrangement.

Sheet piles and sheet pile walls made of sheet piles are generally known from the state of the art, for example from DE 20 2016 101 909 U1. Sheet pile arrangements made of differently designed sheet piles are known, for example, from GB 340,853 A and WO 99/11869 A1. In these known sheet pile arrangements, two different types of sheet piles are used, which are arranged alternately next to each other and connected to each other, thus forming a sheet pile wall section. Sheet piles are typically exposed to high mechanical loads over their service life. In particular, sheet piles are often exposed to high bending and torsional loads. In order to withstand these loads, high bending and torsional rigidity, in particular a sufficiently high bending moment of resistance and a sufficiently high torsional moment of resistance, are required. High rigidity can be achieved, for example, by a large material thickness. However, a material thickness that is too great is disadvantageous because the material requirements and mass are then correspondingly large, which increases costs and makes the transport and handling of the sheet pile wall elements more complex. Furthermore, when installing sheet pile walls, there are often few options for adaptation to local conditions. For example, it may be necessary to absorb high loads at one point on the sheet pile wall and not to exceed a certain width at another point on the sheet pile wall.

The invention is therefore based on the object of providing an improved solution which addresses the problems mentioned. In particular, the object of the invention is to provide a sheet pile arrangement with which adaptation to the conditions on site is possible and which can withstand particularly high mechanical loads if necessary.

According to a first aspect, the object is achieved by a sheet pile arrangement according to claim 1. According to this, a sheet pile arrangement for a sheet pile wall is provided, the sheet pile arrangement comprising a first sheet pile module and a second sheet pile module, wherein the first sheet pile module and the second sheet pile module are arranged next to one another. The first sheet pile module and the second sheet pile module each comprise a central sheet pile which is designed as a Z-sheet pile, wherein the central sheet pile has a longitudinal extension running parallel to a driving direction, wherein a first coupling means extending along the longitudinal extension is arranged on a first section of the central sheet pile and wherein a second coupling means extending along the longitudinal extension is arranged on a second section of the central sheet pile, a first U-sheet pile which has a longitudinal extension running parallel to the driving direction, wherein a first coupling means extending parallel to the longitudinal extension is arranged on a first section of the first U-sheet pile and wherein a second coupling means extending along the longitudinal extension is arranged on a second section of the first U-sheet pile, a second U-sheet pile which has a longitudinal extension running parallel to the driving direction, wherein a first section of the second U-sheet pile, a first coupling means extending along the longitudinal extent is arranged and wherein a second coupling means extending along the longitudinal extent is arranged on a second section of the second U-sheet pile, wherein the first U-sheet pile is connected to the central sheet pile on the side of the first coupling means of the central sheet pile, in particular directly or by means of a connecting element, and wherein the second U-sheet pile is connected to the central sheet pile on the side of the second coupling means of the central sheet pile, wherein the first U-sheet pile and the second U-sheet pile are arranged such that the open side of the first U-sheet pile and the open side of the second U-sheet pile point in different directions.

A driving direction is understood to mean in particular the direction in which a sheet pile wall, and thus also the components extending along a sheet pile wall, is introduced into the subsoil, in particular by driving the sheet pile wall into the ground. In the majority of cases, the driving direction is perpendicular to the ground surface. The driving direction is therefore usually vertical when installed. However, there are also driving directions that run parallel to the horizontal, for example when sheet pile walls or sheet piles for sheet pile walls are driven into mountains or hills, for example to support a tunnel. The driving direction corresponds in particular to the longitudinal direction of the sheet pile wall.

In the context of the present disclosure, a longitudinal extension or a longitudinal extension direction or a longitudinal axis of a sheet pile or a connecting element is understood to mean the extension of the respective object in the driving direction. The longitudinal extension directions of the sheet piles of a sheet pile module run in particular parallel to one another.

A sheet pile wall extension direction is understood to mean in particular a direction in which the sheet pile wall or a section of the sheet pile wall extends transversely to the longitudinal extension. The sheet pile wall extension direction thus extends orthogonally to the driving direction.

It is preferred within the scope of the present disclosure if the cross section of the central sheet pile and the cross section of the first and second U-sheet piles, and preferably the cross section of the connecting element, is substantially constant along the longitudinal extension or longitudinal extension direction.

The first sheet pile module and the second sheet pile module are arranged next to each other in particular along the sheet pile wall extension direction and can be connected to each other directly or by means of a connecting element.

It is preferred that the central sheet pile and the first and second U-sheet piles comprise or consist of steel. It is preferred that the connecting element comprises or consists of steel. The sheet piles can in particular be hot-rolled or cold-rolled sheet piles.

The coupling means of the first U-sheet pile, the coupling means of the second U-sheet pile and the coupling means of the Z-sheet pile extend in the direction of the respective longitudinal extension, preferably parallel to one another.

A U-sheet pile is understood to mean, in particular, a sheet pile that has a substantially U-shaped cross-section. In particular, a U-sheet pile has a straight central section and two further sections extending from the central section, namely the first and the second section, which can also be referred to as flanges. The first section preferably extends substantially straight and is preferably aligned at an angle of over 90° to the central section. The second section preferably extends substantially straight and is preferably aligned at an angle of over 90° to the central section.

The open side of a U-sheet pile is the side on which the U formed by the U-sheet pile is open.

A Z-sheet pile is understood to mean, in particular, a sheet pile that has a cross-section with a shape similar to the letter Z. In particular, the Z-sheet pile has two straight sections, which can also be referred to as flanges and which are aligned parallel to one another, namely the first section and the second section, and a middle section which runs obliquely to the first and second sections and which is preferably also straight.

A coupling means is understood to mean in particular a connecting section of a sheet pile, wherein a coupling means is designed in particular to produce a positive connection with another coupling means that can be arranged on a sheet pile or a connecting element. The coupling means are preferably designed to produce a Larssen lock connection. A Larssen lock is a form of lock connection that is known and widespread in the field of sheet pile walls and can be used to connect sheet piles to one another, for example. The coupling means are preferably arranged on the two end sections of the first and second sections, so that the first section, the middle section and the second section are arranged between the coupling means. A connecting element is understood to mean in particular a component that is designed to connect two coupling means to one another. The connecting element is preferably designed to connect a U-sheet pile with a Z-sheet pile or with a U-sheet pile. A connecting element is understood to mean in particular not a sheet pile. The connecting element is preferably many times smaller in its extension transverse to the longitudinal extension than the sheet piles present in the sheet pile arrangement. The connecting element can, for example, have a cross section that is essentially shaped like the lowercase letter omega (co). However, the connecting element can also have a different shape.

One advantage of such a sheet pile arrangement is that a very high bending and torsional stiffness can be achieved with an arrangement of U-sheet piles in which the U-sheet piles are curved outwards. This makes it particularly advantageous to provide a sheet pile arrangement that can reliably withstand particularly high loads over a long period of time and in which the material thickness can still remain relatively low.

A further advantage of such a sheet pile arrangement is that this arrangement can also be designed in such a way that the U-shaped sheet piles are curved inwards. With such an arrangement, a narrow sheet pile wall can be produced in a particularly advantageous manner, which can still withstand relatively high mechanical loads despite the narrow design.

Another advantage is the flexibility of this concept, meaning that the sheet pile arrangement can be adapted to the specific requirements, for example on site. This makes it particularly flexible to select a suitable sheet pile arrangement for installing a sheet pile wall, and variations between the different arrangements are also possible.

According to a particularly preferred embodiment, the second U-sheet pile of the first sheet pile module is connected to the first U-sheet pile of the second sheet pile module, in particular directly or by means of a connecting element.

Such a connection between the first sheet pile module and the second sheet pile module is in particular designed to be form-fitting. Preferably the second coupling means of the second U-sheet pile of the first sheet pile module is positively connected either to the first coupling means of the first U-sheet pile of the second sheet pile module or to a connecting element which is connected to the first coupling means of the first U-sheet pile of the second sheet pile module.

It is particularly preferred that the first sound pile module has exactly three sheet piles, and preferably at least one connecting element.

Preferably, the first sheet pile module comprises exactly the following three sheet piles: the central sheet pile, the first U-sheet pile and the second U-sheet pile of the first sheet pile module.

Preferably, the second sound pile module has exactly three sheet piles, and preferably at least one connecting element.

Preferably, the second sheet pile module comprises exactly the following three sheet piles: the central sheet pile, the first U-sheet pile and the second U-sheet pile of the second sheet pile module.

It is particularly preferred if the first sheet pile module and the second sheet pile module are of identical design.

It is particularly preferred that the first U-sheet pile and the second U-sheet pile are arranged rotated by 180° relative to each other with respect to the direction of their longitudinal extension.

Preferably, the first U-sheet pile of the first sheet pile module and the second U-sheet pile of the first sheet pile module are arranged rotated by 180° to each other with respect to the direction of their longitudinal extension.

Preferably, the first U-sheet pile of the second sheet pile module and the second U-sheet pile of the second sheet pile module are arranged rotated by 180° relative to each other with respect to the direction of their longitudinal extension. In such an arrangement rotated by 180° to each other, the open sides of the first and second U-sheet piles of a sheet pile module point in opposite directions.

It is particularly preferred that the central sheet pile and the first U-sheet pile are connected to one another, preferably by means of a direct connection between the first coupling means of the central sheet pile and the second coupling means of the first U-sheet pile or by means of a connection via a connecting element which is connected to the first coupling means of the central sheet pile and the second coupling means, in particular in a form-fitting manner. In the case of a direct connection, the connection is preferably designed to be form-fitting.

It is particularly preferred that the central sheet pile and the second U-sheet pile are connected to one another, preferably by means of a direct connection between the second coupling means of the central sheet pile and the first coupling means of the second U-sheet pile. In such a direct connection, the connection is preferably designed to be positively locking.

It is particularly preferred that the second U-sheet pile of the first sheet pile module is connected to the first U-sheet pile of the second sheet pile module, preferably by means of a direct connection between the second coupling means of the second U-sheet pile of the first sheet pile module and the first coupling means of the first U-sheet pile of the second sheet pile module or by means of a connection via a connecting element which is connected to the second coupling means of the second U-sheet pile of the first sheet pile module and the first coupling means of the first sheet pile of the second sheet pile module.

It is particularly preferred that the first coupling means of the central sheet pile is designed to produce a positive connection, in particular a Larssen lock connection, with the second coupling means of the first U-sheet pile or with a connecting element which is positively connected to the second coupling means of the first U-sheet pile.

Preferably, the second coupling means of the central sheet pile is designed to produce a positive connection, in particular a Larssen lock connection, with the first coupling means of the second U-sheet pile. The coupling means are to be understood in particular as components of the sheet piles, whereby connections can be made using the coupling means.

It is particularly preferred that the connecting element has a rotation in the direction transverse to the longitudinal extension that is many times smaller than each of the sheet piles of the first or second sheet pile module.

Preferably, the connecting element has a substantially omega-shaped cross-section. A substantially omega-shaped cross-section is to be understood in particular as a cross-section that is shaped similarly to the small letter omega (co).

It is particularly preferred that the central sheet pile extends in a direction transverse to the longitudinal extent from the first section of the central sheet pile along a middle section of the central sheet pile to the second section of the central sheet pile.

It is particularly preferred that the first section of the central sheet pile and the second section of the central sheet pile are arranged parallel to each other and parallel to a sheet pile module extension direction which is orthogonal to the driving direction, wherein the middle section of the central sheet pile is not arranged parallel to the first section of the central sheet pile and the second section of the central sheet pile.

A sheet pile module extension direction is to be understood in particular as a direction in which the respective sheet pile module extends transversely to the longitudinal extension. The sheet pile module extension direction thus extends orthogonally to the driving direction. The sheet pile module extension direction preferably runs along the neutral axis of the sheet pile module. In particular, the sheet pile module extension direction runs centrally through the central sheet pile and parallel to the first section and the second section of the central sheet pile. The sheet pile module extension direction can run parallel to the

sheet pile extension direction, but may not be parallel to the

Sheet pile extension direction, depending on how the sheet pile arrangement is constructed. It is particularly preferred that the first U-sheet pile extends in a direction transverse to the longitudinal extension from the first section of the first U-sheet pile along a middle section of the first U-sheet pile to the second section of the first U-sheet pile.

Preferably, the second U-sheet pile extends in a direction transverse to the longitudinal extent from the first portion of the second U-sheet pile along a middle portion of the second U-sheet pile to the second portion of the second U-sheet pile.

It is particularly preferred that no further sheet pile is arranged between the first sheet pile module and the second sheet pile module. However, a connecting element can be arranged between the first and the second sheet pile module.

It is particularly preferred that the first U-sheet pile and the second U-sheet pile are both curved inwards, i.e. curved towards a centre line that runs parallel to the direction of extension of the sheet pile module and centrally through the central sheet pile. Such an arrangement enables the installation of a particularly narrow sheet pile wall.

It is particularly preferred that the first U-sheet pile and the second U-sheet pile are both curved outwards, i.e. curved away from a centre line that runs parallel to the direction of extension of the sheet pile module and centrally through the central sheet pile. Such an arrangement enables the installation of an arrangement with a particularly high section modulus.

It is particularly preferred that the second U-sheet pile of the first sheet pile module and the first U-sheet pile of the second sheet pile module are arranged mirror-symmetrically or point-symmetrically with respect to a plane extending parallel to the longitudinal extension and orthogonal to the sheet pile module extension direction.

Preferably, in a mirror-symmetrical arrangement, a connecting element is arranged between the first and the second sheet pile module. Preferably, in a point-symmetrical arrangement, no connecting element is arranged between the first and the second sheet pile module.

It is particularly preferred that the sheet pile arrangement comprises a third sheet pile module connected to the second sheet pile module, and preferably further sheet pile modules.

Preferably, the sheet pile arrangement comprises more than three sheet pile modules which are connected to one another directly and/or by means of connecting elements.

According to a further aspect of the invention, the object mentioned at the outset is achieved by a sheet pile wall comprising a plurality of sheet pile arrangements arranged next to one another and connected to one another as described here, wherein the sheet pile arrangements are preferably each connected to one another by means of connecting elements.

According to a further aspect of the invention, the object mentioned at the outset is achieved by using a sheet pile arrangement as described here as a component of a sheet pile wall, in particular a sheet pile wall as described here, wherein the sheet pile wall is preferably set up in a subsoil.

For the advantages, design variants and design details of the various aspects of the solutions described here and their respective possible further developments, reference is also made to the description of the corresponding features, details and advantages of the other aspects and their further developments.

Preferred embodiments are explained by way of example using the accompanying figures. The drawings are not necessarily to scale. In the figures, identical or essentially functionally identical or similar elements are designated with the same reference numerals. They show:

Fig. 1: a schematic cross-sectional view of a sheet pile module with outwardly curved U-sheet piles;

Fig. 2: a schematic cross-sectional view of three interconnected sheet pile modules with outwardly curved U-sheet piles in a first arrangement; Fig. 3: a schematic cross-sectional view of three interconnected

Sheet pile modules with outwardly curved U-sheet piles in a second arrangement;

Fig. 4: a schematic cross-sectional view of a sheet pile module with outwardly curved U-sheet piles without a connecting element between the first U-sheet pile and the central sheet pile;

Fig. 5: a schematic cross-sectional view of a sheet pile module with inwardly curved U-sheet piles;

Fig. 6: a schematic cross-sectional view of three interconnected

Sheet pile modules with inwardly curved U-sheet piles in a first arrangement;

Fig. 7: a schematic cross-sectional view of three interconnected

Sheet pile modules with inwardly curved U-sheet piles in a second arrangement;

Fig. 8: a schematic cross-sectional view of a sheet pile module with inwardly curved U-sheet piles without a connecting element between the first U-sheet pile and the central sheet pile;

Fig. 9: perspective view of the sheet pile module shown in Fig. 8;

Fig. 10: a schematic cross-sectional view of a sheet pile module made of cold-rolled sheet piles with inwardly curved U-sheet piles;

Fig. 11: perspective view of the sheet pile module shown in Fig. 10;

Fig. 12: a schematic cross-sectional view of two interconnected sheet pile modules made of cold-rolled sheet piles with inwardly curved U-sheet piles;

Fig. 13: a schematic cross-sectional view of two interconnected sheet pile modules made of cold-rolled sheet piles with outwardly curved U-sheet piles. Fig. 1 shows a schematic cross-sectional view of a sheet pile module 1 a, 1 b with outwardly curved U-sheet piles. The sheet pile module 1 a, 1 b has exactly three sheet piles 10, 20, 30. The sheet pile module 1 a, 1 b extends orthogonally to the driving direction E in a sheet pile module extension direction S.

The sheet pile module 1 a, 1 b comprises a central sheet pile 10, which is designed as a Z-sheet pile. The central sheet pile 10 has a longitudinal extension running parallel to the driving direction E, which runs orthogonal to the plane of the drawing. A first coupling means 10a extending along the longitudinal extension is arranged on a first section 10b of the central sheet pile 10. A second coupling means 10e extending along the longitudinal extension is arranged on a second section 10d of the central sheet pile 10. The central sheet pile 10 extends from the first section 10b along a middle section 10c to the second section 10d.

The sheet pile module 1 a, 1 b also comprises a first U-sheet pile 20 and a second U-sheet pile 30. The first U-sheet pile 20 is arranged on the side of the central sheet pile 10 shown here on the left and is connected by means of a connecting element 40 which is connected to the second coupling means 20e of the first U-sheet pile 20 and the first coupling means 10a of the central sheet pile 10.

The first U-sheet pile 20 also extends along a longitudinal extension running parallel to the driving direction E. The first U-sheet pile 20 extends in a direction transverse to its longitudinal extension from a first section 20b, at the end of which the first coupling means 20a is arranged, along a middle section 20c to a second section 20d, at the end of which the second coupling means 20e is arranged.

The second U-sheet pile 30 is arranged on the side of the central sheet pile 10 shown here on the right and is connected to the central sheet pile 10 by means of a direct positive connection between the second coupling means 10e of the central sheet pile 10 and the first coupling means 30a of the second U-sheet pile 30.

The second U-sheet pile 30 also extends along a longitudinal extension parallel to the driving direction E. The second U-sheet pile 30 extends in a direction transverse to its longitudinal extension from a first section 30b, at the end of which the first coupling means 30a is arranged, along a middle section 30c to a second section 30d, at the end of which the second coupling means 30e is arranged.

All coupling means 20a, 20e, 10a, 10e, 30a, 30e of the sheet piles 10, 20, 30 shown here are designed to produce an interlock connection, in particular a Larssen interlock connection.

Fig. 2 shows a schematic cross-sectional view of three interconnected sheet pile modules 1 a, 1 b, 1 c. The sheet pile modules 1 a, 1 b, 1 c are each designed as shown in Fig. 1 and described in connection with Fig. 1. The sheet pile modules 1 a, 1 b, 1 c each extend along a

Sheet pile module extension direction S, which in the arrangement shown here is the same for all three sheet pile modules 1 a, 1 b, 1 c. The sheet pile module extension direction S is arranged here parallel to the sheet pile wall extension direction R, along which a sheet pile wall constructed from these sheet pile modules 1 a, 1 b, 1 c extends.

The first sheet pile module 1 a and the second sheet pile module 1 b are connected to one another by means of a connecting element 40 and are aligned with one another in such a way that the first sheet pile module 1 a and the second sheet pile module 1 b are arranged mirror-symmetrically to a plane E1 which runs parallel to the ramming direction E and orthogonal to the sheet pile module extension direction S.

The second sheet pile module 1 b and the third sheet pile module 1 c are also arranged mirror-symmetrically to a plane E2, which runs parallel to the driving direction E and orthogonal to the sheet pile module extension direction S.

Fig. 3 shows a schematic cross-sectional view of three interconnected sheet pile modules 1 a, 1 b, 1 c with outwardly curved U-sheet piles 20, 30 in a second arrangement. The sheet pile modules 1 a, 1 b, 1 c are each designed as shown in Fig. 1 and described in connection with Fig. 1. The sheet pile modules 1 a, 1 b, 1 c each extend along a sheet pile module extension direction S, which in the arrangement shown here for all three sheet pile modules 1 a, 1 b, 1 c runs parallel but spaced from one another. The sheet pile module extension directions S are not arranged parallel to the sheet pile wall extension direction R, along which a sheet pile wall constructed from these sheet pile modules 1 a, 1 b, 1 c extends. The first sheet pile module 1 a and the second sheet pile module 1 b are directly connected to one another by means of a positive connection between the second coupling means 30e of the second U-sheet pile 30 of the first sheet pile module 1 a and the first coupling means 20a of the first U-sheet pile 20 of the second sheet pile module 1 b.

The first sheet pile module 1 a and the second sheet pile module 1 b are aligned with each other such that the first sheet pile module 1 a and the second sheet pile module 1 b are arranged point-symmetrically with respect to the plane E1, which runs parallel to the driving direction E and orthogonal to the sheet pile module extension direction S.

The second sheet pile module 1 b and the third sheet pile module 1 c are directly connected to one another by means of a positive connection between the second coupling means 30e of the second U-sheet pile 30 of the second sheet pile module 1 b and the first coupling means 20a of the first U-sheet pile 20 of the third sheet pile module 1 c.

The second sheet pile module 1 b and the third sheet pile module 1 c are aligned with each other such that the second sheet pile module 1 b and the third sheet pile module 1 c are arranged point-symmetrically with respect to the plane E2, which runs parallel to the driving direction E and orthogonal to the sheet pile module extension direction S.

Fig. 4 shows a schematic cross-sectional view of a sheet pile module 1 a, 1 b with outwardly curved U-sheet piles without a connecting element between the first U-sheet pile 20 and the central sheet pile 10. The structure is similar to the arrangement shown in Fig. 1, although in the sheet pile module shown in Fig. 4, in contrast to the structure shown in Fig. 1, no connecting element is provided between the central sheet pile 10 and the first U-sheet pile 20. Instead, the first U-sheet pile 20 has two coupling elements 20a, 20e that are rotated by 180° to one another. In addition, the second U-sheet pile 30 has two coupling elements 30a, 30e that are rotated by 180° to one another. Furthermore, the U-sheet piles 20, 30 are designed somewhat differently here than shown in Fig. 1, in that the first section 20b, 30b and the second section 20d, 30d each have a subsection 20x, 20y, 30x, 30y running parallel to the sheet pile module extension direction S. Fig. 5 shows a schematic cross-sectional view of a sheet pile module with inwardly curved U-sheet piles 20, 30. The sheet pile module 1 a, 1 b has exactly three sheet piles 10, 20, 30. The sheet pile module 1 a, 1 b extends orthogonally to the driving direction E in a sheet pile module extension direction S.

The sheet pile module 1 a, 1 b comprises a central sheet pile 10, which is designed as a Z-sheet pile. The central sheet pile 10 has a longitudinal extension running parallel to the driving direction E. A first coupling means 10a extending along the longitudinal extension is arranged on a first section 10b of the central sheet pile 10. A second coupling means 10e extending along the longitudinal extension is arranged on a second section 10d of the central sheet pile 10.

The sheet pile module 1 a, 1 b also comprises a first U-sheet pile 20 and a second U-sheet pile 30, which are designed as described in connection with Fig. 1, but in contrast to the arrangement shown in Fig. 1, are oriented inwardly curved in the arrangement shown in Fig. 5.

All coupling means 20a, 20e, 10a, 10e, 30a, 30e of the sheet piles 10, 20, 30 shown here are designed to produce an interlock connection, in particular a Larssen interlock connection.

The first U-sheet pile 20 is connected to the central sheet pile 10 by means of a connecting element 40.

Fig. 6 shows a schematic cross-sectional view of three interconnected sheet pile modules 1 a, 1 b, 1 c with inwardly curved U-sheet piles 20, 30 in a first arrangement. The sheet pile modules 1 a, 1 b, 1 c are each designed as shown in Fig. 5 and described in connection with Fig. 5. The sheet pile modules 1 a, 1 b, 1 c each extend along a sheet pile module extension direction S, which is the same for all three sheet pile modules 1 a, 1 b, 1 c in the arrangement shown here. The sheet pile module extension direction S is arranged here parallel to the sheet pile wall extension direction R, along which a sheet pile wall constructed from these sheet pile modules 1 a, 1 b, 1 c extends.

The first sheet pile module 1 a and the second sheet pile module 1 b are connected to each other by means of a connecting element 40 and are aligned with each other in such a way that that the first sheet pile module 1 a and the second sheet pile module 1 b are arranged mirror-symmetrically to a plane E1 which runs parallel to the ramming direction E and orthogonal to the sheet pile module extension direction S.

The second sheet pile module 1 b and the third sheet pile module 1 c are also arranged mirror-symmetrically to one another with respect to a plane E2 which runs parallel to the driving direction E and orthogonal to the sheet pile module extension direction S.

Fig. 7 shows a schematic cross-sectional view of three interconnected sheet pile modules 1 a, 1 b, 1 c with inwardly curved U-sheet piles 20, 30 in a second arrangement. The sheet pile modules 1 a, 1 b, 1 c are each designed as shown in Fig. 5 and described in connection with Fig. 5. The sheet pile modules 1 a, 1 b, 1 c each extend along a sheet pile module extension direction S, which in the arrangement shown here are aligned parallel but spaced apart for all three sheet pile modules 1 a, 1 b, 1 c. The

Sheet pile module extension directions S are here not arranged parallel to the sheet pile wall extension direction R, along which a sheet pile wall constructed from these sheet pile modules 1 a, 1 b, 1 c extends.

The first sheet pile module 1 a and the second sheet pile module 1 b are directly connected to one another by means of a positive connection between the second coupling means 30e of the second U-sheet pile 30 of the first sheet pile module 1 a and the first coupling means 20a of the first U-sheet pile 20 of the second sheet pile module 1 b.

The first sheet pile module 1 a and the second sheet pile module 1 b are aligned with each other such that the first sheet pile module 1 a and the second sheet pile module 1 b are arranged point-symmetrically with respect to the plane E1, which runs parallel to the driving direction E and orthogonal to the sheet pile module extension direction S.

The second sheet pile module 1 b and the third sheet pile module 1 c are directly connected to one another by means of a positive connection between the second coupling means 30e of the second U-sheet pile 30 of the second sheet pile module 1 b and the first coupling means 20a of the first U-sheet pile 20 of the third sheet pile module 1 c. The second sheet pile module 1 b and the third sheet pile module 1 c are aligned with each other such that the second sheet pile module 1 b and the third sheet pile module 1 c are arranged point-symmetrically with respect to the plane E2, which runs parallel to the driving direction E and orthogonal to the sheet pile module extension direction S.

Fig. 8 shows a schematic cross-sectional view of a sheet pile module 1 a, 1 b with inwardly curved U-sheet piles 20, 30 without a connecting element between the first U-sheet pile 20 and the central sheet pile 10. The structure is similar to the arrangement shown in Fig. 5, although in the sheet pile module shown in Fig. 8 there is no connecting element between the central sheet pile 10 and the first U-sheet pile 20. Instead, the first U-sheet pile 20 has two coupling elements 20a, 20e that are rotated by 180° to one another. In addition, the second U-sheet pile 30 has two coupling elements 30a, 30e that are rotated by 180° to one another. Furthermore, the U-sheet piles 20, 30 are designed somewhat differently here than shown in Fig. 5, in that the first section 20b, 30b and the second section 20d, 30d each have a subsection 20x, 20y, 30x, 30y running parallel to the sheet pile module extension direction S.

Fig. 9 shows a perspective view of the sheet pile module 1 a, 1 b shown in Fig. 8.

Fig. 10 shows a schematic cross-sectional view of a sheet pile module 1a, 1b made of cold-rolled sheet piles 10, 20, 30 with inwardly curved U-sheet piles 20, 30. The arrangement shown in Fig. 10 is essentially constructed like the arrangement shown in Fig. 8 or Fig. 9, although in the arrangement shown in Fig. 10 cold-rolled sheet piles 10, 20, 30 are used instead of hot-rolled sheet piles. The coupling means 10a, 10e, 20a, 20e, 30a, 30e are designed as curved, round-shaped connecting sections. When using such cold-rolled sheet piles 10, 20, 30, it is preferable not to use a connecting element for the connection between the first U-sheet pile 20 and the central sheet pile 10.

Fig. 11 perspective view of the sheet pile module 1 a, 1 b shown in Fig. 10.

Fig. 12 shows a schematic cross-sectional view of two interconnected sheet pile modules 1 a, 1 b made of cold-rolled sheet piles 10, 20, 30 with inwardly curved U-sheet piles 20, 30. The two interconnected sheet pile modules 1 a, 1 b are here related to the plane E1, which is orthogonal to the Sheet pile module extension direction S and arranged parallel to the longitudinal extension, mirror-symmetrical to each other.

Fig. 13 shows a schematic cross-sectional view of two interconnected sheet pile modules 1a, 1b made of cold-rolled sheet piles 10, 20, 30 with outwardly curved U-sheet piles 20, 30. The two interconnected sheet pile modules

1a, 1b are here aligned mirror-symmetrically to each other with respect to the plane E1, which is arranged orthogonally to the sheet pile module extension direction S and parallel to the longitudinal extension.

1a first sheet pile module

1 b second sheet pile module

1c third sheet pile module

10 central sheet pile

10a first coupling element of the central sheet pile

10b first section of the central sheet pile

10c middle section of the central sheet pile

10d second section of the central sheet pile

10e second coupling element of the central sheet pile

20 first U-sheet pile

20a first coupling element of the first U-sheet pile

20b first section of the first U-sheet pile

20c middle section of the first U-sheet pile

20d second section of the first U-sheet pile

20e second coupling element of the first U-sheet pile

20x subsection of the first section of the first U-sheet pile

20y Subsection of the second section of the first U-sheet pile

30 second U-sheet pile

30a first coupling means of the second U-sheet pile

30b first section of the second U-sheet pile

30c middle section of the second U-sheet pile

30d second section of the second U-sheet pile

30e second coupling element of the second U-sheet pile

30x subsection of the first section of the second U-sheet pile

30y Subsection of the second section of the second U-sheet pile

40 Connecting element

E Driving direction

E1 , E2 mirror planes

L Longitudinal extension

R Sheet pile extension direction

S Sheet pile module extension direction

Claims

Expectations 1 . Sheet pile arrangement for a sheet pile wall, the sheet pile arrangement comprising a first sheet pile module (1 a) and a second sheet pile module (1 b), wherein the first sheet pile module (1 a) and the second sheet pile module (1 b) are arranged next to one another, the first sheet pile module (1 a) and the second sheet pile module (1 b) each comprising o a central sheet pile (10) which is designed as a Z-sheet pile, wherein the central sheet pile (10) has a longitudinal extension running parallel to a driving direction (E), wherein a first coupling means (10a) extending along the longitudinal extension is arranged on a first section (10b) of the central sheet pile (10), and wherein a second coupling means (10e) extending along the longitudinal extension is arranged on a second section (10d) of the central sheet pile (10), o a first U-sheet pile (20) which has a longitudinal extension running parallel to the driving direction (E), wherein a first coupling means (20a) extending parallel to the longitudinal extension is arranged on a first section (20b) of the first U-sheet pile (20), and wherein a second coupling means (20e) extending along the longitudinal extension is arranged on a second section (20d) of the first U-sheet pile (20), o a second U-sheet pile (30) which has a longitudinal extension running parallel to the driving direction (E), wherein a first coupling means (30a) extending along the longitudinal extension is arranged on a first section (30b) of the second U-sheet pile (30), and wherein a second coupling means extending along the longitudinal extension is arranged on a second section (30d) of the second U-sheet pile (30). (30e), wherein the first U-sheet pile (20) on the side of the first coupling means (10a) of the central sheet pile (10) is connected to the central sheet pile (10), in particular directly or by means of a connecting element (40). and wherein the second U-sheet pile (30) is connected to the central sheet pile (10) on the side of the second coupling means (10e) of the central sheet pile (10), wherein the first U-sheet pile (20) and the second U-sheet pile (30) are arranged such that the open side (21) of the first U-sheet pile (20) and the open side (31) of the second U-sheet pile (30) point in different directions. 2. Sheet pile arrangement according to the preceding claim, wherein the second U-sheet pile (30) of the first sheet pile module (1 a) is connected to the first U-sheet pile (20) of the second sheet pile module (1 b), in particular directly or by means of a connecting element (40). 3. Sheet pile arrangement according to one of the preceding claims, wherein the first sound pile module (1 a) has exactly three sheet piles, and preferably at least one connecting element (40), and/or wherein the second sound pile module (1 b) has exactly three sheet piles, and preferably at least one connecting element (40). 4. Sheet pile arrangement according to one of the preceding claims, wherein the first U-sheet pile (20) and the second U-sheet pile (30) are arranged rotated by 180° to each other with respect to the direction of their longitudinal extension. 5. Sheet pile arrangement according to one of the preceding claims, wherein the central sheet pile (10) and the first U-sheet pile (20) are connected to each other, preferably by means of a direct connection between the first coupling means (10a) of the central sheet pile (10) and the second coupling means (20e) of the first U-sheet pile (20) or by means of a connection via a connecting element (40) which is connected, in particular in a form-fitting manner, to the first coupling means (10a) of the central sheet pile (10) and the second coupling means (20e). 6. Sheet pile arrangement according to one of the preceding claims, wherein the central sheet pile (10) and the second U-sheet pile (20) are connected to each other, preferably by means of a direct connection between the second coupling means (10e) of the central sheet pile (10) and the first coupling means (30a) of the second U-sheet pile (30). 7. Sheet pile arrangement according to one of the preceding claims, wherein the second U-sheet pile (30) of the first sheet pile module (1 a) is connected to the first U-sheet pile (20) of the second sheet pile module (1 b), preferably by means of a direct connection between the second coupling means (10e) of the second U-sheet pile (30) of the first sheet pile module (1 a) and the first coupling means (20a) of the first U-sheet pile (20) of the second sheet pile module (1 b) or by means of a connection via a connecting element (40) which is connected to the second coupling means (10e) of the second U-sheet pile (30) of the first sheet pile module (1 a) and the first coupling means (20a) of the first sheet pile (20') of the second sheet pile module (1 b). 8. Sheet pile arrangement according to one of the preceding claims, wherein the first coupling means (10a) of the central sheet pile (10) is designed to produce a positive connection, in particular a Larssen lock connection, with the second coupling means (20e) of the first U-sheet pile (20) or with a connecting element (40) which is positively connected to the second coupling means (20e) of the first U-sheet pile (20), and/or wherein the second coupling means (10e) of the central sheet pile (10) is designed to produce a positive connection, in particular a Larssen lock connection, with the first coupling means (30a) of the second U-sheet pile (30). 9. Sheet pile arrangement according to one of the preceding claims, wherein the connecting element (40) has a rotation in the direction transverse to the longitudinal extent which is many times smaller than each of the sheet piles (10, 20, 30) of the first or second sheet pile module (1 a, 1 b), and/or wherein the connecting element (40) has a substantially omega-shaped cross-section. 10. Sheet pile arrangement according to one of the preceding claims, wherein the central sheet pile (10) extends in the direction transverse to the longitudinal extent from the first portion (10b) of the central sheet pile (10) along a middle portion (10c) of the central sheet pile (10) to the second portion (10d) of the central sheet pile (10). 11. Sheet pile arrangement according to one of the preceding claims, wherein the first section (10b) of the central sheet pile (10) and the second section (10d) of the central sheet pile (10) are arranged parallel to one another and parallel to a sheet pile module extension direction (S) which is orthogonal to the driving direction (E), and wherein the middle section (10c) of the central sheet pile (10) is not arranged parallel to the first section (10b) of the central sheet pile (10) and the second section (10d) of the central sheet pile (10). 12. Sheet pile arrangement according to one of the preceding claims, wherein the first U-sheet pile (20) extends in the direction transverse to the longitudinal extension from the first section (20b) of the first U-sheet pile (20) along a middle section (20c) of the first U-sheet pile (20) to the second section (20d) of the first U-sheet pile (20), and/or wherein the second U-sheet pile (30) extends in the direction transverse to the longitudinal extension from the first section (30b) of the second U-sheet pile (30) along a middle Section (30c) of the second U-sheet pile (30) to the second section (30d) of the second U-sheet pile (30). 13. Sheet pile arrangement according to one of the preceding claims, wherein no further sheet pile is arranged between the first sheet pile module (1 a) and the second sheet pile module (1 b). 14. Sheet pile arrangement according to one of the preceding claims, wherein the first U-sheet pile (20) and the second U-sheet pile (30) are both curved inwards, i.e. curved towards a centre line which runs parallel to the sheet pile module extension direction (S) and centrally through the central sheet pile (10). 15. Sheet pile arrangement according to one of claims 1 - 13, wherein the first U-sheet pile (20) and the second U-sheet pile (30) are both curved outwards, i.e. curved away from a center line which runs parallel to the sheet pile module extension direction (S) and centrally through the central sheet pile (10). 16. Sheet pile arrangement according to one of the preceding claims, wherein the second U-sheet pile (30) of the first sheet pile module (1 a) and the first U-sheet pile (20) of the second sheet pile module (1 b) are arranged mirror-symmetrically or point-symmetrically with respect to a plane extending parallel to the longitudinal extension and orthogonal to the sheet pile module extension direction (S). 17. Sheet pile arrangement according to one of the preceding claims, comprising a third sheet pile module (1c) connected to the second sheet pile module (1b), and preferably further sheet pile modules. 18. Sheet pile wall comprising a plurality of sheet pile arrangements arranged next to one another and connected to one another according to one of the preceding claims, wherein preferably the sheet pile arrangements are each connected to one another by means of connecting elements (40). 19. Use of a sheet pile arrangement according to one of claims 1-17 as a component of a sheet pile wall, in particular a sheet pile wall according to the preceding claim, wherein the sheet pile wall is preferably set up in a subsoil.