CN111779259A - A kind of construction method of aluminum alloy formwork suitable for special-shaped structure forming - Google Patents

Abstract

The invention discloses a construction method of an aluminum alloy formwork suitable for special-shaped structure forming, including S1, original design construction drawing review; S2, optimization of special-shaped structure; S3, detailed design of special-shaped structure; S4, numerical simulation accuracy review; S5 , template blanking; S6, single template welding assembly; S7, module overall trial assembly; S8, entry acceptance; S9, temporary support, on-site template assembly; S10, bottom mold installation; S11, side mold installation; S12, Review and reinforcement; S13, acceptance; S14, reinforced concrete construction; S15, forming and curing; the aluminum alloy formwork includes aluminum formwork panels and aluminum alloy ribs arranged along the outer contour of the special-shaped structure. Fix the aluminum alloy rib; this method can improve the splicing accuracy of the clad template of the outer contour of the special-shaped structure, improve the turnover efficiency, and make the construction agility, assembly accuracy, civilized construction, high molding quality, and high safety.

Description

A kind of construction method of aluminum alloy formwork suitable for special-shaped structure forming

technical field

The invention relates to the technical field of construction, in particular to a construction method of an aluminum alloy formwork suitable for forming special-shaped structures.

Background technique

With the progress of the times and the improvement of people's living standards, the construction efficiency and quality of urban residences have become particularly important, which has also prompted continuous innovation in design concepts, and architectural shapes have become more and more fashionable and artistic. Some special-shaped structures are widely used in buildings. On the façade, it has the characteristics of long overhang, various shapes, unstable arc curvature, and hollowing out between the main structure and the main structure. Therefore, the building formwork used in the new construction process is directly related to the safety and security of the building structure. There are many factors such as the convenience of construction and construction cost.

In order to ensure the safety of high-rise buildings and super high-rise special-shaped structures in the construction process, the convenience of the operation process, and the control of construction costs, aluminum alloy formwork technology has also been raised with higher requirements. It is of great significance, but at this stage, the standard-size aluminum alloy formwork that has been customized by stereotyped design and industrial processing is not suitable for the construction of special-shaped structures, and some special-shaped structures with gradual curvature cannot be constructed. The shape of the special-shaped structural members is finally applied to concrete molding, but the plasticity of the wood molds has high requirements on the operation of the workers, the construction is difficult, and it is not easy to control the overall accuracy of the special-shaped structural members, and it is easy to cause explosions during concrete pouring. Due to the physical characteristics of strong water absorption, the wood mold is prone to uneven deformation during temperature changes, and it is difficult to control the turnover efficiency of the template, the plastic molding quality of the special-shaped structure and the civilized construction on site, which will eventually affect the special-shaped structure. Forming quality and construction cost of components.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a construction method of an aluminum alloy formwork suitable for special-shaped structure forming, which can solve the problems of difficulty in controlling the precision of the above-mentioned existing special-shaped structure construction method, low turnover efficiency of formwork materials, low safety and construction convenience, etc. .

Embodiments of the present invention are implemented as follows:

A construction method of an aluminum alloy formwork suitable for special-shaped structure forming, which comprises the following steps:

S1, the original design and construction drawing review

Review the elevation, size, axis displacement, reinforcement size, and relative position relationship with the main structure of the special-shaped structure on the original design and construction drawing, and use AutoCAD to combine the original structure construction drawing and the building construction drawing to determine whether there are reserved holes. The design depth of structural construction drawings and architectural construction drawings shall be unified;

S2, optimize the special-shaped knot

On the basis of the confirmed original construction drawings, the overall size of the special-shaped structure, the outer contour curvature, the gradient form and the radius of the special-shaped structure are further refined, and the curvature relationship of the special-shaped structure is determined according to the combination of various elements;

S3. Deepening design of special-shaped structure

Use Auto CAD software to carry out 1:1 lofting restoration, and use the principle of "cut circle method" to divide the special-shaped structure. When dividing the special-shaped structure, the length of the side of each inscribed polygon is the arc length L ₁ , and the length of each special-shaped structure is the arc length L 1 . The length is the chord length L ₂ , and the distance from the middle of each inscribed multi-deformed side to the arc segment of the special-shaped structure is the difference between the Δh arc length and the chord length. It is judged whether the division is divided according to the difference between the Δh arc length and the chord length. Fine, the finer the division, the closer the arc is to the chord. Therefore, this method of substituting straight for the curve is used to divide the surface of the special-shaped structure into several planes, and then splicing the planes into a curved surface (arc → plane → arc ), according to the chord length data, the relevant dimensions of the aluminum alloy formwork panel blanking can be determined, and at the same time, according to the aluminum alloy formwork, the die matching design for the reinforcement of the aluminum alloy rib plate is carried out;

S4. Numerical simulation accuracy review

Fit the segmented single surface element, combined with the overall size and curvature changes of the special-shaped structure, in architectural model software including but not limited to Revit to determine the panel and rib clamp between the aluminum alloy rib and the aluminum formwork panel Whether the angle satisfies the curvature change of the special-shaped structure;

S5, template blanking

After the numerical simulation accuracy review, if the surface element accuracy of all single aluminum formwork panels meets the assembly requirements, the blanking length of the aluminum formwork panel is directly determined according to the length of the single surface during cutting;

S6, single template welding assembly molding

After the single aluminum formwork panel is cut, the reinforcement design is carried out, and the bolt connection holes for the pin connection, the middle reinforced aluminum alloy rib, and the edge aluminum alloy rib are determined, and the aforementioned three parts are welded with the aluminum formwork panel to form a single aluminum formwork panel. to form an organic whole;

S7, the overall trial assembly of the module

After the assembly and welding of all single aluminum formwork panels are completed, the overall trial assembly is carried out in combination with the overall size of the special-shaped structure to demonstrate whether the fitting in S4 is feasible, and to determine whether the angle between the rib and the panel and the curvature change meet the design requirements. Otherwise, go back to S4 for modification.

In a preferred embodiment of the present invention, the above steps also include:

S8. On-site acceptance

Inspect the aluminum formwork panel materials, components, and dimensions of the special-shaped structure entering the construction site according to the requirements of relevant standards, and confirm whether the products are qualified or not;

S9, temporary support, on-site template assembly

After the aforementioned S7 meets the design, the aluminum formwork panels and aluminum alloy rib plates can be transported to the construction site for assembly.

In a preferred embodiment of the present invention, the above steps also include:

S10, bottom mold installation

The installation is carried out according to the design requirements of the mold distribution diagram, and the elevation of the aluminum formwork panel is strictly controlled during the installation of the aluminum formwork panel as the bottom mold;

S11, side mold installation

After the bottom mold is installed, the outer side mold is installed in place, and the aluminum alloy rib as the outer side mold is installed in place to fix the pins and pins;

S12, review and reinforcement

After the special-shaped structure aluminum formwork panel is installed, the geometric size is checked, and the key parts are reinforced to prevent displacement during concrete construction.

In a preferred embodiment of the present invention, the above steps also include:

S13, acceptance;

S14. Reinforced concrete construction

The above S6 is completed on the aluminum formwork panel and aluminum alloy rib of the special-shaped structure, and the overall size of the aluminum formwork panel of the special-shaped structure is reviewed and reinforced on site to determine the accuracy after the assembly is completed and the dimensions of each section are consistent with the original design and construction drawings, and meet the design requirements post-concrete

S15, molding maintenance

When the strength of the concrete ensures that the surface and edges of the special-shaped structure are not damaged, the bottom formwork and side formwork should be removed, and the support rod should be removed after at least 21 days, so that the bottom of the special-shaped structure has enough supporting reaction force to meet the strength growth of the special-shaped structure. Make it final shape to meet the design requirements.

In a preferred embodiment of the present invention, the aluminum alloy formwork in the above-mentioned S3 includes a plurality of aluminum formwork panels arranged along the outer contour of the special-shaped structure, and adjacent aluminum formwork panels are spliced and have seam positions, and four aluminum formwork panels are An aluminum alloy rib is connected at the edge, and the aluminum alloy rib faces the outside of the special-shaped structure. The aluminum alloy rib is provided with bolt connection holes connecting both sides, and the aluminum alloy ribs on the opposite sides of the adjacent aluminum formwork panels pass through each other. Use bolts to pass through the bolt connection holes to fix, so that multiple aluminum formwork panels are connected and distributed along the outer contour surface of the special-shaped structure.

In a preferred embodiment of the present invention, the above-mentioned aluminum formwork panel and the aluminum alloy rib have an included angle between the panel and the rib, and the angle between the panel and the rib ranges from 80° to 100°.

In a preferred embodiment of the present invention, the angle between the above-mentioned panel and the rib is half of the angle formed by the outer contour surface of the special-shaped structure, and the position of the seam formed between the adjacent aluminum alloy ribs is the gap surface, so as to adapt to different The outer contour of the radian special-shaped structure.

In a preferred embodiment of the present invention, the above-mentioned aluminum alloy ribs are provided with at least two bolt connection holes, and the bolt connection holes are symmetrically arranged on the four aluminum alloy ribs surrounding the aluminum formwork panel.

In a preferred embodiment of the present invention, the above-mentioned plurality of aluminum formwork panels are attached to the outer contour surfaces of both sides of the special-shaped structure.

In a preferred embodiment of the present invention, after the above-mentioned adjacent aluminum alloy rib plates are connected by bolt connection holes, they are fixed by pins and pin sheets.

In a preferred embodiment of the present invention, the above

The beneficial effects of the present invention are:

In the invention, a plurality of aluminum formwork panels are laid on the outer contour of the special-shaped structure to form a formwork structure suitable for forming the special-shaped structure. , so that the aluminum template panel and the aluminum alloy rib can form matching gaps to adapt to the outer contour of the special-shaped structure with different radians; the method can improve the splicing accuracy of the pasting template of the outer contour of the special-shaped structure, and improve the turnover efficiency. The following advantages:

(1) High convenience; due to the light weight of the aluminum alloy formwork itself, the use of aluminum alloy formwork in the special-shaped structure can improve the work efficiency of the operator's installation, dismantling and transmission, and the worker can easily assemble it without completely relying on machinery;

(2) High assembly accuracy; the special-shaped aluminum alloy formwork is made by using AutoCAD and Revit to perform numerical simulation on the original design and construction drawings and then blanking with the aid of industrial computer, so the precision in the assembly process of the special-shaped aluminum alloy formwork can be completely guaranteed. ensure.

(3) The degree of civilized construction is high; the turnover rate of the formwork is improved; the on-site civilized construction degree using the aluminum alloy formwork system is high, and each accessory of the formwork can be reused and recycled, which improves the turnover rate of the formwork, thereby reducing waste disposal. the cost of. Compared with other types of templates, it saves steel and wood, and is low-carbon and environmentally friendly.

(4) High forming quality; the flatness and verticality of the aluminum alloy formwork can be well guaranteed, and the formwork itself does not absorb water, and the concrete forming quality is high. Common quality problems.

(5) High safety; during the use of the aluminum alloy formwork support system, the overall rigidity and stability of the aluminum alloy formwork have incomparable advantages over wooden molds, preventing the overall collapse of the formwork frame caused by the concrete pouring process.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not should be seen as a limitation of scope.

Fig. 1 is the construction method flow chart of the aluminum alloy formwork that the present invention is applicable to special-shaped structure forming;

Fig. 2 is the schematic diagram of the arc-chord relationship "cut circle method" in the construction process of the aluminum alloy formwork that the present invention is applicable to forming of special-shaped structures;

Fig. 3 is the assembling connection diagram of the aluminum alloy template suitable for special-shaped structure forming of the present invention;

Icons: 1-outer profile of special-shaped structure; 2-aluminum formwork panel; 3-joint position; 4-angle between panel and rib; 5-bolt connection hole; 6-aluminum alloy rib; 7-arc length L1; 8 - chord length L2; 9-Δh difference between arc length and chord length.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and represented in the drawings herein may be arranged and designed in a variety of different configurations.

Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

first embodiment

Please refer to FIG. 1 , the present embodiment provides a construction method of an aluminum alloy formwork suitable for forming a special-shaped structure, which includes the following steps:

S1, the original design and construction drawing review

Review the elevation, size, axis displacement, reinforcement size, and relative position relationship with the main structure of the special-shaped structure on the original design and construction drawing, and use AutoCAD to combine the original structure construction drawing and the building construction drawing to determine whether there are reserved holes. This implementation For example, the reserved holes are bolt connection holes 5 for fixing through bolts, so that the design depth of the structural construction drawing and the building construction drawing is unified;

S2, optimize the special-shaped knot

On the basis of the confirmed original construction drawings, the overall size of the special-shaped structure, the curvature of the outer contour 1 of the special-shaped structure, the gradient form and the radius are further refined, and the curvature relationship of the special-shaped structure is determined according to the combination of various elements;

S3. Deepening design of special-shaped structure

Please refer to Fig. 2, use Auto CAD software to carry out 1:1 lofting restoration, use the principle of "cut circle method" to divide the special-shaped structure, and the length of each section of the inscribed polygon when the special-shaped structure is divided is the arc length L ₁ 7, The length of each section of the special-shaped structure is the chord length L ₂ 8, and the distance between the arc-shaped section of the special-shaped structure of each section and the middle part of the inscribed multi-deformation is the difference between the Δh arc length and the chord length of 9, according to the Δh arc length and chord length. The difference in length is 9 to judge whether the division is fine. The finer the division, the closer the arc is to the chord. Therefore, this method of substituting straight for the curve is used to divide the surface of the special-shaped structure into several planes, and then splicing the planes into a curved surface. (Arc→Flat→Arc), according to the chord length data, the relevant dimensions of the aluminum alloy formwork panel blanking can be determined, and at the same time, according to the aluminum alloy formwork, the mold matching design of the aluminum alloy rib plate 6 reinforcement is carried out;

S4. Numerical simulation accuracy review

Fit the segmented single surface element, combined with the overall size and curvature changes of the special-shaped structure, in architectural model software including but not limited to Revit to determine the panel and rib between the aluminum alloy rib 6 and the aluminum formwork panel 2 Whether the plate angle 4 meets the curvature change of the special-shaped structure;

S5, template blanking

After the numerical simulation accuracy review, if the surface element accuracy of all single aluminum formwork panels 2 meets the assembly requirements, the blanking length of the aluminum formwork panel 2 is directly determined according to the length of a single curved surface during blanking;

S6, single template welding assembly molding

After the single aluminum formwork panel 2 is blanked, the reinforcement design is carried out, and the bolt connection holes 5 for pin connection, the middle reinforced aluminum alloy rib 6, and the edge aluminum alloy rib 6 are determined, and the aforementioned three parts are welded with the aluminum formwork panel 2. into a single aluminum formwork panel 2 to form an organic whole;

S7, the overall trial assembly of the module

After all single aluminum formwork panels 2 are assembled and welded, the overall trial assembly is carried out in combination with the overall size of the special-shaped structure to demonstrate whether the fitting in S4 is feasible, and determine whether the angle 4 between the panel and the rib and the curvature change meet the design requirements, otherwise Then go back to S4 for modification.

S8. On-site acceptance

The materials, components, sizes, etc. of the special-shaped aluminum formwork panel 2 entering the construction site shall be inspected according to the requirements of relevant standards, and whether the products are qualified or not shall be confirmed;

S9, temporary support, on-site template assembly

After the aforementioned S7 meets the design, the aluminum formwork panel 2 and the aluminum alloy rib 6 can be transported to the construction site for assembly.

S10, bottom mold installation

The installation is carried out according to the design requirements of the mold distribution diagram. During the installation of the aluminum formwork panel 2 as the bottom mold, the elevation of the aluminum formwork panel 2 is strictly controlled;

S11, side mold installation

After the bottom mold is installed, the outer side mold is installed in place, and the aluminum alloy rib 6 serving as the outer side mold is installed in place, and then the pins and pin pieces are fixed in place;

S12, review and reinforcement

After the special-shaped structure aluminum formwork panel 2 is installed, the geometric dimensions are checked, and the key parts are reinforced to prevent displacement when concrete is applied.

S13, acceptance;

S14. Reinforced concrete construction

The above S6 is completed on the aluminum formwork panel 2 and the aluminum alloy rib plate 6 of the special-shaped structure, and the overall size of the aluminum formwork panel 2 of the special-shaped structure is reviewed and reinforced on site, and the accuracy after the assembly is completed and the dimensions of each section are consistent with the original design and construction drawings. Concrete is applied after meeting the design requirements;

S15, molding maintenance

When the strength of the concrete ensures that the surface and edges of the special-shaped structure are not damaged (the concrete pouring in this example reaches about 10MPa), the bottom formwork and side formwork shall be removed, and the support rod shall be removed after at least 21 days, so that the bottom of the special-shaped structure has sufficient support The reaction force can meet the strength growth of the special-shaped structure, so that the final shape can meet the design requirements.

Please refer to FIG. 3 , the aluminum alloy formwork mentioned in the above step S3 includes a plurality of identical aluminum formwork panels 2 arranged along the outer contour 1 of the special-shaped structure, and the plurality of aluminum formwork panels 2 are laid on the surface of the outer contour 1 of the special-shaped structure. , the aluminum formwork panel 2 is in the shape of an arc-shaped square plate, and its curvature matches the outer contour 1 of the special-shaped structure. The four edges of the aluminum formwork panel 2 are connected with aluminum alloy ribs 6, and the four aluminum alloy ribs 6 are mutually The connection forms a quadrilateral frame shape. When the aluminum formwork panel 2 is attached to the outer contour surface of the special-shaped structure, the aluminum alloy rib 6 surrounds and connects the single aluminum formwork panel 2 in the middle, and the aluminum alloy rib 6 and the aluminum formwork panel. 2 is located at the edge of the aluminum formwork panel 2. The aluminum alloy rib 6 and the aluminum formwork panel 2 in this embodiment are integrally formed. The formwork panels 2 are connected by bolts through the bolt connection holes 5 of the aluminum alloy rib plate 6, and are fixed by pins and pins. In this embodiment, the splicing of the aluminum alloy formwork improves the accuracy of splicing, the turnover efficiency is high, and the Improve safety and increase the convenience of construction.

A plurality of aluminum formwork panels 2 are attached to the outer contour surface of the special-shaped structure, the aluminum formwork panels 2 are square, and four edges of the aluminum formwork panel 2 are connected with aluminum alloy rib plates 6, and the four aluminum alloy rib plates 6 are respectively in the shape of a square. Rectangular, the setting direction of the aluminum alloy rib 6 faces the outside of the special-shaped structure, so that only one side of the aluminum formwork panel 2 is attached to the surface of the special-shaped structure, the special-shaped structure has two opposite sides, and a plurality of aluminum formwork panels 2 are respectively covered On the outer contour surfaces on both sides of the special-shaped structure, after being pasted, the adjacent aluminum formwork panels 2 are spliced and connected by aluminum alloy rib plates 6, and the aluminum alloy rib plates 6 are provided with bolt connection holes 5 connecting both sides. The adjacent aluminum formwork panels The aluminum alloy ribs 6 at opposite positions are fixed by using bolts through the bolt connection holes 5, so that a plurality of aluminum formwork panels 2 are connected and distributed along the outer contour 1 of the special-shaped structure.

The aluminum alloy rib plate 6 is provided with two spaced apart bolt connection holes 5, and a total of eight bolt connection holes 5 are arranged around the four aluminum alloy rib plates 6 arranged on the aluminum formwork panel 2. Symmetrically arranged, the adjacent aluminum formwork panels 2 are spliced through bolt connection holes 5 and there is a seam position 3 between adjacent aluminum alloy rib plates 6, and the seam position 3 is the connection position between the adjacent aluminum alloy rib plates 6 , the connection of the adjacent aluminum alloy ribs 6 makes the seam position 3 an angular gap surface, the aluminum formwork panel 2 and the aluminum alloy rib 6 have an angle 4 between the panel and the rib, and the angle 4 between the panel and the rib The angle ranges from 80° to 100°. The angle 4 between the panel and the rib in this embodiment is half of the angle formed by the outer contour 1 of the special-shaped structure, that is, 88°. The angle formed between the adjacent aluminum alloy ribs 6 The seam position 3 is the gap surface to adapt to the outer contour 1 of the special-shaped structure with different radians.

To sum up, in the example of the present invention, a plurality of aluminum formwork panels are laid on the outer contour of the special-shaped structure to form a formwork structure suitable for forming a special-shaped structure, and the adjacent aluminum formwork panels are assembled and connected by aluminum alloy ribs, The setting of the included angle of the rib plate enables the aluminum formwork panel and the aluminum alloy rib plate to form matching gaps to adapt to the outer contour of the special-shaped structure with different radians; The turnover efficiency is high, and the construction agility, high assembly precision, high civilized construction level, high molding quality and high safety are achieved.

This specification describes examples of embodiments of the invention, and is not meant to illustrate and describe all possible forms of the invention. Those of ordinary skill in the art will appreciate that the embodiments described herein are intended to assist readers in understanding the principles of the present invention, and it should be understood that the scope of the present invention is not limited to such specific statements and embodiments. Those skilled in the art can make various other specific modifications and combinations without departing from the essence of the present invention according to the technical teachings disclosed in the present invention, and these modifications and combinations still fall within the protection scope of the present invention.

Claims (10)

1. The construction method of the aluminum alloy template suitable for forming the special-shaped structure is characterized by comprising the following steps of:

s1 examination drawing of original design construction drawing

Rechecking the elevation, the size, the axis displacement, the size of the reinforcing bars and the relative position relation with the main body structure of the special-shaped structure on the original design construction drawing, and combining the original structure construction drawing and the building construction drawing by using AutoCAD to determine whether a reserved hole exists or not so as to unify the design depth of the structure construction drawing and the building construction drawing;

s2 optimizing special-shaped knot

On the basis of the determined original construction drawing, further extracting the overall size of the special-shaped structure, the curvature, the gradual change form and the radius of the outer contour of the special-shaped structure, and determining the curvature relation of the special-shaped structure according to the combination of various elements;

s3 deepened design of special-shaped structure

Auto CAD software was used to perform 1: 1 lofting and reducing, dividing the special-shaped structure by using the principle of a circle cutting method, wherein the length of the side of each section of the inscribed polygon is the arc length L during dividing the special-shaped structure₁The length of each section of the special-shaped structure is the chord length L₂The distance between the middle part of each section of the inscribed multi-deformation side and the arc section of the special-shaped structure is the delta h arc length and chord length difference value, whether the division is fine or not is judged according to the delta h arc length and chord length difference value, the finer the division is, the closer the arc line approaches to the chord, therefore, by adopting the method of direct bending, the curved surface of the special-shaped structure is divided into a plurality of planes, and then the planes are spliced into curved surfaces (cambered surface → plane → cambered surface), the relevant blanking size of the aluminum alloy template panel can be determined according to the chord length data, and meanwhile, the die matching design of aluminum alloy rib plate reinforcement is carried out according to the aluminum alloy template;

s4 numerical simulation precision rechecking

Fitting the single divided curved surface element in a building model software including but not limited to Revit by combining the integral size and curvature change of the special-shaped structure, and determining whether the length between the aluminum alloy rib plate and the aluminum template panel and the included angle of the rib plate meet the curvature change of the special-shaped structure;

s5, blanking of template

After numerical simulation precision rechecking, under the condition that the precision of the curved surface elements of all the single aluminum template panels meets the assembly requirement, directly determining the blanking length of the aluminum template panels according to the length of the single curved surface during blanking;

s6, welding, assembling and forming single template

Carrying out reinforcement design after blanking of a single aluminum template panel, determining bolt connecting holes, middle reinforced aluminum alloy rib plates and side aluminum alloy rib plates which are connected through pins, and welding the three parts and the aluminum template panel to form a single aluminum template panel into an organic whole;

s7, module integral assembling trial

After all the single aluminum formwork panels are assembled and welded, the whole aluminum formwork panels are assembled in a whole trial mode by combining the whole size of the special-shaped structure, whether fitting in S4 is feasible or not is demonstrated, whether the included angle between the rib plates and the panels and curvature change meet design requirements or not is determined, and if not, the method returns to S4 to modify.

2. The construction method of the aluminum alloy formwork applicable to the forming of the special-shaped structure as claimed in claim 1, wherein the steps further comprise:

s8, acceptance inspection of approach

Inspecting the panel materials, structural parts, sizes and the like of the aluminum template with the special-shaped structure entering a construction site according to the requirements specified by relevant standards, and confirming whether the product is qualified or not;

s9, temporary support and on-site template implementation assembly

And after the S7 meets the design, the aluminum formwork panel and the aluminum alloy rib plate can be transported to a construction site for assembly.

3. The construction method of the aluminum alloy formwork applicable to the forming of the special-shaped structure as claimed in claim 2, wherein the steps further comprise:

s10, bottom die installation

Mounting according to the design requirements of a die matching diagram, and strictly controlling the elevation of the aluminum template panel as a bottom die in the mounting process of the aluminum template panel;

s11, side die installation

After the bottom die is installed, the outer side die is installed in place, and after the aluminum alloy rib plate serving as the outer side die is installed in place, the fixing construction of pins and pin pieces is carried out;

s12, rechecking and reinforcing

The geometric dimension rechecking is carried out after the special-shaped structure aluminum formwork panel is installed, key parts are reinforced, and displacement is prevented when concrete is applied.

4. The construction method of the aluminum alloy formwork applicable to the forming of the special-shaped structure as claimed in claim 3, wherein the steps further comprise:

s13, checking and accepting;

s14 construction of reinforced concrete

Completing the S6 on the aluminum formwork panel and the aluminum alloy rib plate with the special-shaped structure, performing on-site rechecking and reinforcing of the overall size of the aluminum formwork panel with the special-shaped structure, determining that the assembled precision and the sizes of various sections are consistent with the original design construction drawing, and applying concrete after the design requirements are met;

s15, molding and maintaining

When the concrete strength ensures that the surface and the edges of the special-shaped structure are not damaged, the bottom template and the side mold are disassembled, the supporting rods are required to be disassembled at least 21 days later, so that the bottom of the special-shaped structure has enough supporting counter force, the strength of the special-shaped structure is increased, and the final forming of the special-shaped structure meets the design requirements.

5. The method as claimed in claim 1, wherein the aluminum alloy form in S3 includes a plurality of aluminum form panels disposed along an outer contour of the special-shaped structure, adjacent aluminum form panels are spliced together and have a splice position, aluminum alloy ribs are connected to four edges of the aluminum form panels, the aluminum alloy ribs face the outer side of the special-shaped structure, the aluminum alloy ribs are provided with bolt connection holes communicating two sides, and the aluminum alloy ribs facing opposite positions of the adjacent aluminum form panels are fixed by bolts penetrating through the bolt connection holes, so that the aluminum form panels are connected and distributed along the outer contour of the special-shaped structure.

6. The method for constructing the aluminum alloy formwork for forming the special-shaped structure as claimed in claim 5, wherein an included angle between the panel of the aluminum formwork and the rib plate of the aluminum alloy formwork is 80-100 degrees.

7. The construction method of the aluminum alloy formwork applicable to forming of the special-shaped structure as claimed in claim 6, wherein the included angle between the panel and the rib plate is half of the included angle of the outer contour surface of the special-shaped structure, and the abutted seam position formed between the adjacent aluminum alloy rib plates is a seam surface so as to adapt to the outer contour of the special-shaped structure with different radians.

8. The method as claimed in claim 6, wherein the aluminum alloy rib plates are provided with at least two bolt connecting holes, and the bolt connecting holes are symmetrically arranged on four aluminum alloy rib plates surrounding the aluminum formwork panel.

9. The method as claimed in claim 6, wherein a plurality of the aluminum form panels are attached to the outer contour surface of the profiled structure.

10. The method for constructing an aluminum alloy formwork for forming a special-shaped structure as claimed in claim 7, wherein the adjacent aluminum alloy rib plates are connected through the bolt connecting holes and then fixed by using pins and pin pieces.

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