WO2023099042A1 - Module de palplanche et paroi en palplanche comprenant des modules de palplanche - Google Patents
Module de palplanche et paroi en palplanche comprenant des modules de palplanche Download PDFInfo
- Publication number
- WO2023099042A1 WO2023099042A1 PCT/EP2022/062036 EP2022062036W WO2023099042A1 WO 2023099042 A1 WO2023099042 A1 WO 2023099042A1 EP 2022062036 W EP2022062036 W EP 2022062036W WO 2023099042 A1 WO2023099042 A1 WO 2023099042A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sheet pile
- sheet
- module
- central
- coupling means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
- E02D5/06—Fitted piles or other elements specially adapted for closing gaps between two sheet piles or between two walls of sheet piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
- E02D5/08—Locking forms; Edge joints; Pile crossings; Branch pieces
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
Definitions
- the present invention relates to a sheet pile module and a sheet pile wall with sheet pile modules of this type.
- Sheet piles and sheet pile walls made of sheet piles are basically known from the prior art, for example from DE 20 2016 101 909 U1.
- the object of the present invention is to improve known sheet piling and sheet piling, in particular to make the production of sheet piling more economical while at the same time increasing the resistance of sheet piling or sheet piling.
- a "central sheet pile” means a sheet pile that is arranged between two other sheet piles.
- a “Z sheet pile” is understood to mean a sheet pile that is essentially Z-shaped in cross section.
- a “U sheet pile” is understood to mean a sheet pile that is essentially U-shaped in cross section.
- a "head-claw-type fastener” is understood to mean a fastener for connecting sheet piles, which is known in English as "ball-and-socket" connection has become known.
- a “longitudinal edge” of a sheet pile is understood to mean a lateral edge of the sheet pile extending parallel to a direction of longitudinal extension of the sheet pile.
- a direction of longitudinal extension of the sheet pile is to be understood as meaning the extension of the sheet pile in a driving-in direction, in which the sheet pile and/or also the sheet piles connected to one another or a sheet pile module made up of at least three sheet piles is driven into the ground as a whole. It is preferred if the cross-section of the sheet piles described in this disclosure is substantially constant along the longitudinal direction of the sheet pile.
- the present invention has recognized that the price he has to pay for the individual sheet piles is of very great and often decisive importance for the builder of a sheet pile wall to be produced from sheet piles due to the usually very large number of sheet piles required.
- the present invention also includes the knowledge that it is of great importance for the performance of the sheet pile wall, in particular with regard to moment of inertia or moment of resistance or also with regard to tensile strength, how thick the wall thickness of the respective sheet pile is selected. The thicker the wall thickness, the more efficient a sheet pile is.
- the present invention also includes the recognition that the sheet pile material is normally steel and the price of the steel is calculated per weight such that as the wall thickness of the sheet pile increases, the weight and thus the price of the sheet pile increases.
- the present invention also includes the knowledge that a Z-shaped sheet pile has a greater resistance per square meter due to its shape than a sheet pile of the same weight which is designed as a flat plate.
- the present invention has also recognized that the production of the Z-shape of a Z-shaped sheet pile is more expensive than the production of a completely flat sheet pile.
- a sheet pile wall constructed entirely of Z-shaped sheet piles would be the most efficient, but would still be more expensive compared to a combination of, for example, Z-shaped sheet piles and flat sheet piles.
- the invention has now recognized in particular that the additional use of U sheet piles according to the invention, either as lateral sheet piles with a central sheet pile designed as a Z sheet pile, or as a central U-shaped sheet pile with laterally attached Z sheet piles, increases both the resistance of a corresponding sheet pile module can be increased compared to a sheet pile module formed exclusively from Z sheet piles or also compared to a combination of Z sheet piles and flat sheet piles, while at the same time the invention has recognized that a U-shaped sheet pile significantly, usually between 20 and 40 % cheaper to produce than a Z-shaped sheet pile.
- the invention has also recognized that driving in a Z sheet pile is more difficult than with a U sheet pile due to the fact that the wall thickness of the Z sheet pile is fundamentally thinner because of the greater stability of the Z sheet pile. This is because the latter can be designed with a greater wall thickness, so that driving it into the ground does not pose any problems, even on difficult, for example rocky, ground.
- the performance of a sheet pile wall constructed in this way would be inferior to that of the present invention. Thanks to the present invention, it is therefore possible, with all the embodiments and variants disclosed here, to increase the performance of a sheet pile module made up of at least three sheet piles and accordingly also the performance of a sheet pile wall made up of such a sheet pile module according to the invention by at least 20 to 40%, in particular with regard to their moment of inertia, To increase section modulus and / or tensile strength, while at the same time by using about 20 to 30% cheaper U-shaped sheet piles, the costs can be correspondingly reduced significantly.
- a preferred embodiment of the invention is characterized in that at least one of the first and second U or Z sheet piles has coupling means at an end remote from the central sheet pile, the coupling means comprising a head-claw type connection element.
- This embodiment of the invention offers the advantage that such sheet pile modules can be reused. This is because coupling means with connecting elements of the head-claw type are not damaged or destroyed when the sheet pile module is pulled out, as can be the case with Larssen interlocks when being pulled out of the ground. Due to the reusability, there is an enormous cost saving in all embodiments of the sheet pile module with coupling means of the head-claw type.
- This embodiment of the invention also offers the advantage that the tensile strength of such a connection or coupling of sheet piles is massively increased by the use of a connecting element of the head-claw type for the end remote from the central sheet pile of at least one of the first and second sheet piles. It was found in measurements that with a steel thickness of 12 mm and a steel grade of class S355, a maximum tensile force of the corresponding connection of about 1500 kN/m is achieved, while using a head-claw type connection or a corresponding connection element according to the invention as a means of coupling with the same steel thickness and quality, a maximum tensile force of around 3500 kN/m. That means more than twice the maximum pulling force is achieved.
- a preferred embodiment of the invention is characterized in that the head-claw-type connecting element is formed integrally with the corresponding first and/or second U or Z sheet pile, or is provided as a separate head-claw-type connecting element becomes.
- the head-claw type connection element can be formed integrally with the corresponding sheet pile if, for example, all sheet piles are to have such a connection.
- the connecting element of the head-claw type can also be provided as a separate connecting element, which has a head or a claw on its end facing away from the sheet pile module, while on its end facing the sheet pile module it is connected to the respective outer sheet pile, for example can be connected with the help of a Larssen lock.
- all U-shaped and Z-shaped sheet piles of the sheet pile module according to the invention can be produced in an identical manner, for example by all such sheet piles having Larssen locks on their edges.
- a preferred embodiment of the invention is characterized in that the head-claw-type connector is provided by a separate head-claw-type connector, in which either a head end or a claw end extends from the sheet pile, with which it is connected.
- a preferred embodiment of the invention is characterized in that the head-claw type connector is provided by a separate head-claw type connector having a head end or a claw end extending from the sheet pile with to which it is connected, and which has a Larssen interlock facing the sheet pile to which it is connected.
- a preferred embodiment of the invention is characterized in that at least one, preferably both, of the first and second coupling means of the central sheet pile comprises a Larssen-type connecting element.
- a preferred embodiment of the invention is characterized in that open sides of the first and second U-shaped sheet piles point in the same direction.
- the "open side" of a U sheet pile means the side where the U is open.
- the above-defined embodiment of the arrangement of the U-sheet piles relative to one another ensures a particularly robust embodiment of the invention, in particular one that is resistant to tensile forces in the sheet pile wall. Because the invention has recognized that when the first and second U-shaped sheet piles point in different directions with their open sides, the tensile force of the corresponding sheet pile module is reduced compared to the embodiment according to the invention.
- a preferred embodiment of the invention is characterized in that the first and second Z-sheet piles are mirror-symmetrical with respect to the central sheet pile.
- the invention has recognized that the mirror-symmetrically arranged Z sheet piles on both sides of the central U sheet pile ensure a uniform construction of the corresponding sheet pile wall.
- a preferred embodiment of the invention is characterized in that the sheet pile module is prefabricated. This is particularly advantageous if the sheet pile modules can be driven in as a whole on site at the construction site. In this way, an enormous amount of time can be saved when constructing a sheet piling according to the invention.
- a preferred embodiment of the sheet pile wall according to the invention is characterized in that at least two of the sheet pile modules are connected to one another.
- a preferred embodiment of the sheet pile wall according to the invention is characterized in that open sides of the U sheet piles of adjacent sheet pile modules point in opposite directions.
- a sheet piling is made available which does not have too great a waviness in the cross section, but on the other hand has an enormous resistance to tensile forces.
- the level of the maximum of the tensile forces acting on a sheet pile wall composed in this way is not affected by any of the coupling means for connecting the sheet piles, i.e. not by the weakest points of the sheet pile module and thus the sheet pile wall runs. Rather, this level of the greatest tensile forces only runs through flat central plates of the central Z sheet pile of the sheet pile modules. In this way, the present invention provides a particularly long-lasting sheet pile.
- FIG. 1 shows a cross-sectional view of a first exemplary embodiment of a sheet pile module according to the invention
- FIG. 2 shows a perspective view of the sheet pile module of FIG. 1;
- Figure 3 is a cross-sectional view of a sheet piling formed from six sheet pile modules of Figures 1 and 2;
- FIG. 3a shows a cross-sectional view through a supplemented first embodiment of a sheet pile module according to the invention
- FIG. 3b shows the cross-sectional view of FIG. 3a with a dashed line to clarify the plane of the maximum of the tensile forces acting on the sheet pile wall;
- FIG. 4 shows a cross-sectional view of a second embodiment of a sheet pile module according to the invention
- Figure 5 is a perspective view of the sheet pile module of Figure 4.
- FIG. 6 shows a cross-sectional view of a sheet pile wall constructed from six sheet pile modules of the embodiment shown in FIGS. 4 and 5;
- FIG. 6a shows a cross-sectional view through a supplemented second embodiment of a sheet pile module according to the invention.
- FIG. 1 shows a cross-sectional view of a first embodiment 1 of a sheet pile module according to the invention.
- the sheet pile module 1 has three sheet piles, a central sheet pile 2, the central sheet pile 2 being a Z sheet pile, a first U sheet pile 4 on the one side of the central sheet pile 2 shown on the left in FIG. 1, and a second U sheet pile 6 on the other side of the central sheet pile 2 shown on the right in Figure 1.
- the central sheet pile 2 has a first coupling segment 2a with first coupling means 2b along a first longitudinal edge 2c of the central sheet pile 2 .
- the central sheet pile 2 further has a second coupling segment 2d with second coupling means 2e along the second longitudinal edge 2f of the central sheet pile 2 .
- the second longitudinal edge 2f is opposite to and formed parallel to the first longitudinal edge 2c along the central sheet pile 2 .
- Between the first coupling segment 2a and the second coupling segment 2d and with A Z-shaped intermediate segment 2g of the central sheet pile 2 is connected to these two, preferably integrally.
- the Z-shaped intermediate segment in turn has a flat central plate 2g.
- both the first coupling means 2b and the second coupling means 2e are designed as a Larssen lock.
- the first U sheet pile 4 is connected to the first coupling means 2b and for this purpose also has a Larssen lock on its edge 4a facing the central sheet pile 2 .
- the second U sheet pile 6 is connected to the second coupling means 2e on its side facing the central sheet pile 2 and for this purpose also has a Larssen lock on its edge 6a facing the central sheet pile 2 in the embodiment shown in FIG.
- the first U sheet pile 4 also has a Larssen lock on its edge 4b facing away from the central sheet pile 2 so that it can be connected to another sheet pile module 1 if necessary.
- the second U-shaped sheet pile 6 of the embodiment shown in FIG. 1 also has a Larssen lock on its edge 6b facing away from the central sheet pile 2 .
- the first U-shaped sheet pile 4 has an open side 4c.
- the second U-shaped sheet pile 6 has an open side 6c.
- the open side 4c of the first U sheet pile 4 and the open side 6c of the second U sheet pile 6 point in the same direction.
- the sheet pile module 1 can be prefabricated. This means that the sheet pile module 1 is assembled away from the construction site, i.e. away from a place of use, from the three sheet piles 2, 4 and 6 and is transported to the construction site as an assembled sheet pile module.
- FIG. 2 shows a perspective view of the sheet pile module 1 of FIG.
- FIG. 3 shows a cross section of a sheet pile wall 8 formed from a total of six sheet pile modules 1 of Figures 1 and 2.
- the open sides 4c and 6c of the U sheet piles 4 and 6 of adjacent sheet pile modules 1 point in opposite directions directions.
- FIG. 3a shows a supplemented first embodiment 1′ of a sheet pile module with three sheet piles.
- the three sheet piles 2, 4 and 6 of the supplemented sheet pile module 1' are identical to the sheet piles 2, 4 and 6 of the sheet pile module 1 of the first embodiment according to FIGS. 1 and 2.
- the sheet pile module 1' of the supplemented first embodiment according to FIG. 3a has been supplemented on that of the central sheet pile
- the coupling means 17a is provided as a separate connecting element. Alternatively, but not shown, the coupling means 17a can also be formed integrally on the left-hand edge 4b of the first U sheet pile 4 .
- the coupling means 17a has a head end 17b which extends away from the first U-sheet pile to which it is connected.
- the coupling means 17c is also provided as a separate connecting element.
- the second coupling means 17c can also be formed integrally with the edge 6b of the second U sheet pile 6 facing away from the central sheet pile 2 .
- the second coupling means 17c carries at its end facing away from the second U-sheet pile 6 a claw end 17d which extends away from the second U-sheet pile 6, with which it is connected via the Larssen interlock at the edge 6b.
- the supplemented first embodiment 1' of the sheet pile module according to the invention according to FIG. 3a can be used in the same manner as the sheet pile module 1 according to FIG. 3a
- FIG. 3b shows the cross-sectional view of FIG. 3a with a dashed line 9 to clarify the plane of the maximum of the tensile forces acting on the sheet pile wall 8.
- FIG. 9 It can be seen that with this form of arrangement of the sheet piles 2, 4, 6 to form a sheet pile wall 8, the plane 9 of the maximum of the tensile forces acting on a sheet pile wall 8 assembled in this way is not reached by any of the coupling means for connecting the sheet piles 2, 4, 6, so does not run through the weakest points of the sheet pile module 1 and thus the sheet pile wall 8. Rather, this level 9 of the greatest tensile forces runs only through flat central plates 2g of the central Z sheet piles 2 of the sheet pile modules 1 . In this way, the present invention provides a sheet pile 8 that is particularly durable.
- FIG. 4 shows a cross section of a second embodiment 10 of a sheet pile module.
- the sheet pile module 10 consists of three sheet piles, a central sheet pile 12, the central sheet pile 12 being designed as a U sheet pile, a first Z sheet pile 14 attached to a side of the central sheet pile 12 shown on the left in FIG second Z sheet pile 16 attached to the other side of the central sheet pile 12 shown on the right in Figure 4.
- the central sheet pile 12 has a first coupling segment 12a with first coupling means 12b along a first longitudinal edge 12c of the central sheet pile 12 .
- the central sheet pile 12 further comprises a second coupling segment 12d having second coupling means 12e along the second longitudinal edge 12f of the central sheet pile 12 .
- the second longitudinal edge 12f is opposite to and formed parallel to the first longitudinal edge 12c along the central sheet pile 12 .
- both the first coupling means 12b and the second coupling means 12e are designed as Larssen locks.
- the first Z sheet pile 14 is connected to the first coupling means 12b and for this purpose also has a Larssen lock on its edge 14a facing the central sheet pile 12 .
- the second Z sheet pile 16 is connected to the second coupling means 12e on its side facing the central sheet pile 12 and for this purpose also has a Larssen lock on its edge 16a facing the central sheet pile 12 in the embodiment shown in FIG.
- the first Z sheet pile 14 also has a Larssen lock on its edge 14b facing away from the central sheet pile 12, so that it can be connected to another sheet pile module 10 if necessary.
- the second Z sheet pile 16 of the embodiment shown in FIG. 4 also has a Larssen lock on its edge 16b facing away from the central sheet pile 12 .
- the central U-shaped sheet pile 12 has an open side 12h.
- the first Z-shaped sheet pile 14 has an inner side 14c facing away from the open side 12h of the central sheet pile 12 .
- the second Z-shaped sheet pile 16 has an inner side 16c which also faces away from the open side 12h of the central sheet pile 12 .
- the sheet pile module 10 can be prefabricated. This means that the sheet pile module 10 is assembled away from the construction site, i.e. away from a place of use, from the three sheet piles 12, 14 and 16 and is transported to the construction site as an assembled sheet pile module.
- Figure 5 shows a perspective view of the sheet pile module 10 of Figure 4.
- FIG. 6 shows a cross section through a sheet pile wall 18 which is formed from a total of six sheet pile modules 10 according to FIGS. Also in the case of the sheet pile wall 18 of FIG. 6, open sides 12h of the U sheet piles 12 of adjacent sheet pile modules 10 point in opposite directions.
- FIG. 6a shows a cross section through a supplemented second embodiment 10' of a sheet pile module.
- the sheet pile module 10' according to FIG. 6a has sheet piles 12, 14 and 16 identical to the sheet piles 12, 14 and 16 of the sheet pile module 10 of FIG.
- the sheet pile module 10' is supplemented in the same way at its edges by coupling means 17a, 17b, 17c and 17d, as have been described in detail with reference to FIG. 3a.
- the supplemented sheet pile module 10' of FIG. 6a can also be assembled to form a sheet pile wall 18, as shown in FIG.
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA3240961A CA3240961A1 (fr) | 2021-12-01 | 2022-05-04 | Module de palplanche et paroi en palplanche comprenant des modules de palplanche |
| MX2024006618A MX2024006618A (es) | 2021-12-01 | 2022-05-04 | Modulo de tablestacas y muro de tablestacas hecho de modulos de tablestacas. |
| CN202280079847.6A CN118434941A (zh) | 2021-12-01 | 2022-05-04 | 板桩模块和由板桩模块构成的板桩壁 |
| US18/715,311 US20250034825A1 (en) | 2021-12-01 | 2022-05-04 | Sheet-pile module and sheet-pile wall consisting of sheet-pile modules |
| EP22728072.4A EP4441294A1 (fr) | 2021-12-01 | 2022-05-04 | Module de palplanche et paroi en palplanche comprenant des modules de palplanche |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202021106555.9 | 2021-12-01 | ||
| DE202021106555.9U DE202021106555U1 (de) | 2021-12-01 | 2021-12-01 | Spundbohlenmodul und Spundwand aus Spundbohlenmodulen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023099042A1 true WO2023099042A1 (fr) | 2023-06-08 |
Family
ID=81941214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2022/062036 Ceased WO2023099042A1 (fr) | 2021-12-01 | 2022-05-04 | Module de palplanche et paroi en palplanche comprenant des modules de palplanche |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20250034825A1 (fr) |
| EP (1) | EP4441294A1 (fr) |
| CN (1) | CN118434941A (fr) |
| CA (1) | CA3240961A1 (fr) |
| DE (1) | DE202021106555U1 (fr) |
| MX (1) | MX2024006618A (fr) |
| WO (1) | WO2023099042A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025104334A1 (fr) * | 2023-11-17 | 2025-05-22 | Pilepro Gmbh | Ensemble palplanche pour une paroi de palplanche |
| WO2025104339A1 (fr) * | 2023-11-17 | 2025-05-22 | Pilepro Gmbh | Ensemble palplanche pour paroi de palplanche |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA224209S (en) * | 2023-03-16 | 2025-01-22 | Heindl Richard | Sheet pile connector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB340853A (en) * | 1929-03-16 | 1931-01-08 | Heinz Homann | Sheet piling |
| JPH069682B2 (ja) * | 1987-11-19 | 1994-02-09 | 住友金属工業株式会社 | コーナ鋼矢板とその製造方法 |
| WO1999011869A1 (fr) * | 1997-08-29 | 1999-03-11 | British Steel Limited | Structures de palplanches en acier |
| EP1420117A2 (fr) * | 2002-11-15 | 2004-05-19 | Nippon Steel Corporation | Palplanche métallique |
| WO2005111315A1 (fr) * | 2004-05-14 | 2005-11-24 | Pilepro Llc | Profile de raccord pour raccorder des palplanches a des elements de support, et paroi de palplanches comprenant un profile de raccord de ce type |
| DE202016101909U1 (de) | 2016-04-11 | 2017-07-12 | Achim Wünsch | Spundwandelemente, Spundwände, und Zwischenstück für derartige Spundwände |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1779100A (en) * | 1926-12-03 | 1930-10-21 | Mauterer Arthur | Corrugated sheet-metal piling |
| LU88743A1 (fr) * | 1996-04-17 | 1997-10-17 | Profilarbed Sa | Procédé pour raccorder une palplanche à une poutrelle |
| GB9816698D0 (en) * | 1998-07-31 | 1998-09-30 | British Steel Plc | Steel sheet piling |
| CA2827243A1 (fr) * | 2011-04-21 | 2012-10-26 | Pilepro Llc | Element de raccordement universel pour composants rideaux de palplanches |
| DE102012214965A1 (de) * | 2012-08-23 | 2014-05-15 | Pilepro Llc | Verbindungselement für Spundbohlen |
-
2021
- 2021-12-01 DE DE202021106555.9U patent/DE202021106555U1/de active Active
-
2022
- 2022-05-04 EP EP22728072.4A patent/EP4441294A1/fr active Pending
- 2022-05-04 WO PCT/EP2022/062036 patent/WO2023099042A1/fr not_active Ceased
- 2022-05-04 MX MX2024006618A patent/MX2024006618A/es unknown
- 2022-05-04 CN CN202280079847.6A patent/CN118434941A/zh active Pending
- 2022-05-04 CA CA3240961A patent/CA3240961A1/fr active Pending
- 2022-05-04 US US18/715,311 patent/US20250034825A1/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB340853A (en) * | 1929-03-16 | 1931-01-08 | Heinz Homann | Sheet piling |
| JPH069682B2 (ja) * | 1987-11-19 | 1994-02-09 | 住友金属工業株式会社 | コーナ鋼矢板とその製造方法 |
| WO1999011869A1 (fr) * | 1997-08-29 | 1999-03-11 | British Steel Limited | Structures de palplanches en acier |
| EP1420117A2 (fr) * | 2002-11-15 | 2004-05-19 | Nippon Steel Corporation | Palplanche métallique |
| WO2005111315A1 (fr) * | 2004-05-14 | 2005-11-24 | Pilepro Llc | Profile de raccord pour raccorder des palplanches a des elements de support, et paroi de palplanches comprenant un profile de raccord de ce type |
| DE202016101909U1 (de) | 2016-04-11 | 2017-07-12 | Achim Wünsch | Spundwandelemente, Spundwände, und Zwischenstück für derartige Spundwände |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025104334A1 (fr) * | 2023-11-17 | 2025-05-22 | Pilepro Gmbh | Ensemble palplanche pour une paroi de palplanche |
| WO2025104339A1 (fr) * | 2023-11-17 | 2025-05-22 | Pilepro Gmbh | Ensemble palplanche pour paroi de palplanche |
Also Published As
| Publication number | Publication date |
|---|---|
| US20250034825A1 (en) | 2025-01-30 |
| CN118434941A (zh) | 2024-08-02 |
| CA3240961A1 (fr) | 2023-06-08 |
| DE202021106555U1 (de) | 2023-03-02 |
| MX2024006618A (es) | 2024-07-10 |
| EP4441294A1 (fr) | 2024-10-09 |
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