Prefabricated box girder construction integrated vertical wall A formwork

Abstract

The utility model discloses an integrated vertical wall A template for prefabricated box girder construction. The formwork comprises an outer side formwork body, an inner side formwork body, an inserting seam plate, an embedded part fixing formwork body, an embedded part connecting piece and a quick connecting pin. The integrated vertical wall A formwork for prefabricated box girder construction has the advantages that the outer side formwork can be used for manufacturing a sound barrier vertical wall A and can also be used for manufacturing a handrail vertical wall A, construction of the sound barrier vertical wall A and the handrail vertical wall A can be achieved only by replacing the inner side formwork, and therefore formwork investment can be reduced, and production cost can be reduced; the formworks are connected through the quick connecting pins, so that assembly and disassembly are convenient, the production efficiency can be improved, the construction period is shortened, and the construction risk of a bridge deck system is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the bridge prefabricated engineering technical field, concretely relates to a prefabricated box girder construction integrated vertical wall A template. BACKGROUND

[0002] The common bridge is mainly constituted by box girder and bridge deck accessory facilities, wherein the vertical wall A in the bridge deck accessory facilities is divided into sound barrier vertical wall A and railing vertical wall A. At present, the construction method of the bridge is: the box girder is usually concentrated prefabricated in the beam field, the vertical reinforcement is embedded in the sound barrier vertical wall A and the railing vertical wall A setting place during prefabrication, the prefabricated box girder is erected on site, the ready-made blind is hung at the eaves of both sides of the prefabricated box girder, the blind is connected with the embedded vertical reinforcement of the sound barrier vertical wall A, and the sound barrier vertical wall A and the railing vertical wall A template are respectively supported, and finally the concrete is poured in the template, and the sound barrier vertical wall A and the railing vertical wall A are respectively made after the solidification of the concrete. Since the sound barrier vertical wall A and the railing vertical wall A need to be poured on site, the construction progress is slow, the construction risk of the bridge deck system is high, and the connection place of the sound barrier vertical wall A and the railing vertical wall A with the prefabricated box girder is uneven, can only be covered with the blind, not only affects the appearance of the whole bridge, but also the construction cost is high. The new standard requires that the sound barrier vertical wall A, the railing vertical wall A and the box girder are integrally poured in the beam field at the same time, since the sound barrier vertical wall A is usually higher than the railing vertical wall A, and some bridges do not need to set the sound barrier vertical wall A, so two sets of templates are needed, thereby leading to the increase of production cost. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above problems, the utility model aims at providing a prefabricated box girder construction integrated vertical wall A template.

[0004] In order to achieve the above purpose, the prefabricated box girder construction integrated vertical wall A template provided by the utility model includes an outer template, an inner template, a joint plate, a pre-embedded part fixing template, a pre-embedded part connecting part and a quick connecting pin, wherein the outer template and the inner template are both flat box body structures and are arranged in parallel, a plurality of holes are arranged on the two end faces in the up-down direction, one pre-embedded part connecting part is arranged on the top surface, and a central hole is arranged on the pre-embedded part connecting part; one insertion hole is arranged on each end of the pre-embedded part fixing template, and the two ends of the pre-embedded part fixing template are connected to the outer template and the inner template by penetrating one insertion hole and the central hole of one pre-embedded part connecting part with the quick connecting pin; a plurality of fixing holes corresponding to the holes of the outer template and the inner template are arranged on the two side edges of the joint plate in the up-down direction, and the two joint plates are fixed on the two ends of the outer template and the inner template by penetrating one fixing hole of the joint plate and the corresponding hole of the outer template or the inner template with the quick connecting pin.

[0005] The outer side template and the inner side template are both made of 5mm thick steel plate, the standard length is 1990mm, and 10mm expansion joints are reserved between adjacent templates; when used for manufacturing the sound barrier vertical wall A, the height of the outer side template and the inner side template is the same and equal to the height of the sound barrier vertical wall A; when used for manufacturing the railing vertical wall A, the height of the inner side template is equal to the height of the railing vertical wall A, and the height of the outer side template is equal to the height of the sound barrier vertical wall A.

[0006] The joint plate is made of 3mm thick steel plate, and foam adhesive tape is pasted between two joint plates at the expansion joint, so as to facilitate installation and removal and prevent slurry leakage.

[0007] The embedded part fixing template is a strip plate or a Z-shaped plate, which is used for fixing and installing the embedded bolts of the sound barrier or the railing foundation, and simultaneously connects the outer side template and the inner side template when manufacturing the sound barrier vertical wall A and connects the outer side template and the inner side template when manufacturing the railing vertical wall A.

[0008] The embedded part connecting piece is made of 5mm thick steel plate, and the diameter of the hole in the middle is 16mm.

[0009] The quick connecting pin is a wedge-shaped steel pin with a length of 100mm and a diameter of 10-18mm.

[0010] The prefabricated box girder construction integrated vertical wall A template has the following beneficial effects: the outer side template can be used for manufacturing the sound barrier vertical wall A and the railing vertical wall A, and only the inner side template needs to be replaced to realize the construction of the sound barrier vertical wall A and the railing vertical wall A, so that the template investment can be reduced and the production cost can be lowered; the templates are connected by quick connecting pins, which facilitates installation and removal, and therefore the production efficiency can be improved, the construction period can be shortened, and the construction risk of the bridge deck system can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The prefabricated box girder construction integrated vertical wall A template structure schematic view is provided. DETAILED DESCRIPTION

[0012] The utility model is described in detail below with reference to the drawings.

[0013] As Figure 1The utility model provides a prefabricated box girder construction integration vertical wall A template, which comprises an outer template 1, an inner template 2, a joint plate 3, a pre-embedded part fixing template 4, a pre-embedded part connecting piece 5 and a quick connecting pin 6. The outer template 1 and the inner template 2 are both flat box structures and are arranged in parallel. A plurality of holes are arranged on the two end faces in the up-down direction. One pre-embedded part connecting piece 5 is arranged on the top surface of each of the outer template 1 and the inner template 2. A central hole is arranged on the pre-embedded part connecting piece 5. One insertion hole is arranged on each end of the pre-embedded part fixing template 4. The two ends of the pre-embedded part fixing template 4 are connected to the outer template 1 and the inner template 2 by penetrating the insertion hole and the central hole of the pre-embedded part connecting piece 5 with the quick connecting pin 6. A plurality of fixing holes are arranged on the two side edges of the joint plate 3 in the up-down direction. The fixing holes correspond to the holes on the outer template 1 and the inner template 2. The two joint plates 3 are fixed to the two ends of the outer template 1 and the inner template 2 by penetrating one fixing hole on the joint plate 3 and the corresponding hole on the outer template 1 or the inner template 2 with the quick connecting pin 6.

[0014] The outer template 1 and the inner template 2 are both made of 5mm-thick steel plates. The standard length is 1990mm. A 10mm expansion joint is reserved between adjacent templates. When the vertical wall A is used to make a sound barrier, the height of the outer template 1 is equal to the height of the sound barrier. When the vertical wall A is used to make a handrail, the height of the inner template 2 is equal to the height of the handrail, and the height of the outer template 1 is equal to the height of the sound barrier.

[0015] The joint plate 3 is made of 3mm-thick steel plates. Foam adhesive tape is pasted between the two joint plates 3 at the expansion joint to facilitate installation and prevent slurry leakage.

[0016] The pre-embedded part fixing template 4 is a strip-shaped plate or a Z-shaped plate, which is used to fix and install the pre-embedded bolts of the sound barrier or the handrail foundation and connect the outer template 1 and the inner template 2 when the vertical wall A is used to make a sound barrier or a handrail.

[0017] The pre-embedded part connecting piece 5 is made of 5mm-thick steel plates. The diameter of the central hole is 16mm.

[0018] The quick connecting pin 6 is a wedge-shaped steel pin with a length of 100mm and a diameter of 10-18mm.

[0019] The installation and use method of the prefabricated box girder construction integration vertical wall A template will be described as follows.

[0020] The installation method is as follows: after the outer side formwork 1 and the inner side formwork 2 are brought in, the outer shape size is accepted first; after the acceptance is qualified, the outer side formwork 1 is welded integrally with the beam body side formwork according to the vertical wall A drawing of the integrated construction drawing and the beam body side formwork, and the welding seam is polished flat to ensure the linear size; then, φ20 steel bars are welded on the outer side of the outer side formwork 1 as inclined braces for reinforcement; after the outer side formwork 1 is installed and fixed, the inner side formwork 2 is connected with the outer side formwork 1 through the joint plate 3 and the quick connecting pin 6; after the inner side formwork 2 is installed, the position of the embedded part is uniformly laid out and positioned, the embedded part connecting part 5 is welded at the embedded part position of the outer side formwork 1 and the inner side formwork 2, and thus the installation and debugging of the whole vertical wall A formwork are completed.

[0021] The use method is as follows: the beam body steel reinforcement cage is hoisted into the beam bench formwork integrally through binding the jig, the vertical wall A steel reinforcement is bound after the steel reinforcement cage is put into the mold; after the vertical wall A steel reinforcement is bound, the inner side formwork 2 is connected with the outer side formwork 1 through the joint plate 3 and the quick connecting pin 6; after the sound barrier or the rail pre-bolt is bolted and fixed with the embedded part fixing formwork 4, the embedded part connecting part 5 on the outer side formwork 1 and the inner side formwork 2 is connected through the quick connecting pin 6, and thus the installation and construction of the vertical wall A formwork are completed. When the vertical wall A formwork is removed, the construction is performed according to the principle of first installation and then removal.

[0022] The above only describes the preferred embodiments of the utility model and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An integrated vertical wall A formwork for precast box girder construction, characterized in that: The prefabricated box girder construction integrated vertical wall A template comprises an outer side template (1), an inner side template (2), a joint board (3), a pre-embedded part fixing template (4), a pre-embedded part connecting part (5) and a quick connecting pin (6); wherein the outer side template (1) and the inner side template (2) are both flat box structures and are arranged in parallel, a plurality of holes are arranged on the two end faces in the up-down direction, one pre-embedded part connecting part (5) is arranged on the top surface, and a central hole is arranged on the pre-embedded part connecting part (5); one insertion hole is arranged on each end of the pre-embedded part fixing template (4), and the two ends of the pre-embedded part fixing template (4) are connected to the outer side template (1) and the inner side template (2) by penetrating one insertion hole and the central hole of one pre-embedded part connecting part (5) with the quick connecting pin (6); a plurality of fixing holes corresponding to the holes of the outer side template (1) and the inner side template (2) are arranged on the two side edges of the joint board (3) in the up-down direction, and the two joint boards (3) are fixed on the two ends of the outer side template (1) and the inner side template (2) by penetrating one fixing hole of the joint board (3) and the corresponding hole of the outer side template (1) or the inner side template (2) with the quick connecting pin (6).

2. The prefabricated box girder construction integrated vertical wall A formwork according to claim 1, characterized in that: The outer side template (1) and the inner side template (2) are both made of 5mm thick steel plates, the standard length is 1990mm, and a 10mm expansion joint is reserved between adjacent templates; when used for manufacturing the sound barrier vertical wall A, the height of the outer side template (1) is the same as that of the inner side template (2) and is equal to the height of the sound barrier vertical wall A; when used for manufacturing the railing vertical wall A, the height of the inner side template (2) is equal to the height of the railing vertical wall A, and the height of the outer side template (1) is equal to the height of the sound barrier vertical wall A.

3. The prefabricated box girder construction integrated vertical wall A formwork according to claim 1, characterized in that: The joint board (3) is made of 3mm thick steel plates, and foam adhesive strips are pasted between the two joint boards (3) at the expansion joint to facilitate installation and prevent slurry leakage.

4. The prefabricated box girder construction integrated vertical wall A formwork according to claim 1, characterized in that: The pre-embedded part fixing template (4) is a strip-shaped plate or a Z-shaped plate, which is used for fixing and installing the sound barrier or railing foundation pre-embedded bolt, and is connected to the outer side template (1) and the inner side template (2) when manufacturing the sound barrier vertical wall A and to the outer side template (1) and the inner side template (2) when manufacturing the railing vertical wall A.

5. The prefabricated box girder construction integrated vertical wall A formwork according to claim 1, characterized in that: The pre-embedded part connecting part (5) is made of 5mm thick steel plates, and the diameter of the central hole is 16mm.

6. The prefabricated box girder construction integrated vertical wall A formwork according to claim 1, characterized in that: The quick connecting pin (6) is a wedge-shaped steel pin with a length of 100mm and a diameter of 10-18mm.

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