A wall formwork for reducing longitudinal joints integrally poured with bridge body

Abstract

The utility model discloses an A wall template used for reducing the longitudinal joint of integrated pouring with a bridge body, which comprises a plurality of sections of outer side templates, a plurality of sections of inner side templates and a plurality of breaking joint steel plates, the plurality of breaking joint steel plates are arranged in parallel along the longitudinal direction of a bridge, and each section of outer side template and each section of inner side template are opposite and are positioned between two adjacent breaking joint steel plates. Each section of outer side mold is arranged over the prefabricated box girder side mold, the bottom end of each section of outer side mold is fixedly welded to the top end of the prefabricated box girder side mold, a layer of stainless steel mold is welded to the inner wall of each section of outer side mold and the inner wall of the corresponding section of prefabricated box girder side mold under the outer side mold in an attached mode, and the horizontal height of the top end of each stainless steel mold is larger than that of the top end of the wall A; the bottom of the stainless steel die is bent towards the bottom of the flange plate of the prefabricated box girder, and the bottom end of the stainless steel die extends to the outer side of a drip groove in the bottom of the flange plate. According to the utility model, the longitudinal seam between the outer side mold of the A wall and the side mold of the prefabricated box girder is eliminated, and the appearance linetype of the prefabricated box girder and the A wall is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway bridge deck system construction technical field, concretely is a kind of A wall form for reducing and bridge beam body integration pouring longitudinal joint. BACKGROUND

[0002] High-speed railway prefabricated box girder bridge deck accessory three walls include protective wall, A wall and B wall, A wall is close to the two longitudinal edges inside of box girder deck and is arranged, generally after box girder erection, formwork pouring construction is completed.A wall after the concrete pouring of A wall, there will be a longitudinal joint between A wall and prefabricated box girder, affect the overall appearance line type of A wall. INVENTION CONTENTS

[0003] The utility model solves the technical problem to provide a kind of A wall form for reducing and bridge beam body integration pouring longitudinal joint, eliminate the longitudinal joint between A wall outside mould and prefabricated box girder side mould, improve the appearance line type of prefabricated box girder and A wall.

[0004] The technical scheme of the utility model is:

[0005] A kind of A wall form for reducing and bridge beam body integration pouring longitudinal joint, including multiple outer side mould, multiple inner side mould and multiple broken joint steel plates, multiple broken joint steel plates are mutually parallel along the longitudinal direction of bridge and are arranged, each outer side mould and each inner side mould are opposite and located between adjacent two broken joint steel plates, each outer side mould is placed just above prefabricated box girder side mould, and the bottom end of each outer side mould is welded and fixed with the top end of prefabricated box girder side mould, the inner wall of each outer side mould and prefabricated box girder side mould is flush, a layer of stainless steel mould is welded on the inner wall of each outer side mould and corresponding one segment prefabricated box girder side mould below, the horizontal height of the top end of stainless steel mould is higher than the horizontal height of A wall top end, the bottom of stainless steel mould is bent to the bottom of prefabricated box girder flange plate, and the bottom end of stainless steel mould extends to the outside of bottom water drip groove of flange plate;The bottom end of each inner side mould is welded with a segment horizontally arranged pressing plate, each pressing plate is tightly attached to the top surface of prefabricated box girder and is arranged, and the outer side edge of each pressing plate extends to the outside of inner side mould.

[0006] Each section of the outer mold and each section of the inner mold includes a vertically arranged template and a plurality of vertically arranged back ribs fixedly connected to the outer wall of the template. The template of each section of the inner mold is a Z-shaped bent plate. A step surface is formed between the vertical upper part and the vertical lower part of the template of the inner mold. The horizontal height of the top of the template of the inner mold is consistent with the horizontal height of the top of the A wall. The horizontal height of the top of the back rib of the inner mold is higher than the horizontal height of the top of the template, and the horizontal height of the top of the back rib of the inner mold is consistent with the horizontal height of the top of the outer mold, so that a U-shaped notch is formed between the back rib of the inner mold and the upper part of the template. Reinforcing square steel is welded at the U-shaped notch and between the back rib of the inner mold and the upper part of the template. The horizontal height of the top of the reinforcing square steel is consistent with the horizontal height of the top of the inner mold template.

[0007] A row of reinforcing triangular braces is welded on the outer wall of each section of the outer mold and adjacent to the bottom end, and the bottom end of each reinforcing triangular brace is welded and fixed to the top end of the prefabricated box beam side mold.

[0008] A plurality of size limiting angle steels are arranged between the top of each section of the outer mold and each section of the inner mold and along the longitudinal direction of wall A. The two ends of the horizontal part of each size limiting angle steel are respectively mounted on the top of the outer mold and the inner mold and fixedly connected by bolts.

[0009] Advantages of this utility model:

[0010] (1) The utility model welds the outer mold and the prefabricated box girder side mold to form a whole, and a layer of stainless steel mold is welded on the inner wall of each section of the outer mold and the corresponding section of the prefabricated box girder side mold directly below, so that the outer mold and the prefabricated box girder side mold form an integral structure, eliminating the longitudinal joint between the outer mold of the A wall and the prefabricated box girder side mold, and improving the appearance line shape of the prefabricated box girder and the A wall.

[0011] (2) The utility model welds a pressure plate at the bottom end of the inner mold to press the edge and prevent slurry from overflowing when pouring concrete.

[0012] (3) The utility model welds reinforcing square steel between the back rib of the inner mold and the upper part of its template, thereby strengthening the overall rigidity of the back rib of the inner mold and the template and increasing their service life.

[0013] (4) The utility model welds a reinforcing triangular brace between the outer formwork of the A wall and the side formwork of the prefabricated box beam, which greatly improves the connection stiffness between the outer formwork of the A wall and the side formwork of the prefabricated box beam.

[0014] (5) The utility model sets the size limiting angle steel so that the outer mold and the inner mold of the A wall are connected to form a whole, and controls the construction size of the A wall and assists its overall linear quality, ensuring that the construction line of the A wall is straight, simple and convenient to install and disassemble, and light and flexible to use.

[0015] The utility model is suitable for integral erecting type bridge deck system A wall and precast box girder synchronous pouring construction, namely, A wall construction is carried out after precast box girder pours concrete initial setting and before final setting, solve the problem that longitudinal joint seam between A wall and precast box girder affects appearance, and it is convenient, quick and easy to assemble and disassemble, saves labor, and saves construction cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view of the utility model.

[0017] Figure 2 It is the side view of the utility model.

[0018] Reference signs: 1-outer side mold, 21-internal side mold's mold plate, 22-internal side mold's back rib, 3-seam steel plate, 4-precast box girder side mold, 5-strengthening triangular support, 6-stainless steel mold, 7-A wall, 8-precast box girder flange plate, 9-dripping groove, 10-pressing plate, 11-dimension limit angle steel, 12-strengthening square steel. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] See Figure 1 And Figure 2 A wall mold plate for reducing bridge beam integral pouring longitudinal joint, comprising multiple outer side molds 1, multiple internal side molds and multiple seam steel plates 3, the multiple seam steel plates 3 are arranged parallel to each other along the longitudinal direction of the bridge, each outer side mold 1 and each internal side mold are opposite and located between the adjacent two seam steel plates 3, each outer side mold 1 is arranged directly above the precast box girder side mold 4, and the bottom end of each outer side mold 1 is welded and fixed with the top end of the precast box girder side mold 4, a row of reinforcing triangular supports 5 is welded on the outer wall of the mold plate of each outer side mold 1 and adjacent to the bottom end (one meter apart between the adjacent two reinforcing triangular supports 5), the bottom end of each reinforcing triangular support 5 is welded and fixed with the top end of the precast box girder side mold 4, the inner walls of each outer side mold 1 and the precast box girder side mold 4 are flush, a layer of stainless steel mold 6 is attached to the inner walls of each outer side mold 1 and the corresponding precast box girder side mold 4 below, the top end of the stainless steel mold 6 is higher than the top end of the A wall 7, the bottom of the stainless steel mold 6 is bent to the bottom of the precast box girder flange plate 8, and the bottom end of the stainless steel mold 6 extends to the outside of the dripping groove 9 at the bottom of the flange plate 8.

[0021] The bottom end of each inner side form is welded with a horizontally arranged pressing plate 10 (10 cm wide and 2 mm thick), which is arranged close to the top surface of the prefabricated box girder, and the outer side edge of each pressing plate 10 extends to the outer side of the inner side form;

[0022] A plurality of size limiting angle steels 11 are longitudinally arranged at equal intervals between the top end of each outer side form 1 and each inner side form and along the A wall 7 per meter, and the horizontal part of each size limiting angle steel 11 is arranged on the top end of the outer side form 1 and the inner side form, respectively, and is fixedly connected through bolts.

[0023] The top end of each outer side form and each inner side form is arranged on the top end of the A wall 7, and the bottom end of each outer side form and each inner side form is arranged on the bottom end of the A wall 7.

[0024] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An A-wall formwork for reducing longitudinal joints during integral casting with a bridge beam, comprising multiple outer formwork sections, multiple inner formwork sections, and multiple fractured steel plates, wherein the multiple fractured steel plates are arranged parallel to each other along the longitudinal direction of the bridge, with each outer formwork section and each inner formwork section facing each other and located between two adjacent fractured steel plates, characterized in that: Each section of the outer mold is placed directly above the prefabricated box girder side mold and the bottom end of each section of the outer mold is welded and fixed to the top of the prefabricated box girder side mold. Each section of the outer mold is flush with the inner wall of the prefabricated box girder side mold. A layer of stainless steel mold is welded on the inner wall of each section of the outer mold and the corresponding section of the prefabricated box girder side mold directly below. The horizontal height of the top of the stainless steel mold is higher than the horizontal height of the top of the A wall. The bottom of the stainless steel mold is bent toward the bottom of the prefabricated box girder flange plate and the bottom end of the stainless steel mold extends to the outside of the drip groove at the bottom of the flange plate; the bottom end of each section of the inner mold is welded with a horizontally arranged pressure plate, each pressure plate is arranged close to the top surface of the prefabricated box girder, and the outer edge of each pressure plate extends to the outer side of the inner mold.

2. The A-wall formwork for reducing longitudinal joints during integral casting with a bridge beam according to claim 1, characterized in that: Each section of the outer mold and each section of the inner mold includes a vertically arranged template and a plurality of vertically arranged back ribs fixedly connected to the outer wall of the template. The template of each section of the inner mold is a Z-shaped bent plate. A step surface is formed between the vertical upper part and the vertical lower part of the template of the inner mold. The horizontal height of the top of the template of the inner mold is consistent with the horizontal height of the top of the A wall. The horizontal height of the top of the back rib of the inner mold is higher than the horizontal height of the top of the template, and the horizontal height of the top of the back rib of the inner mold is consistent with the horizontal height of the top of the outer mold, so that a U-shaped notch is formed between the back rib of the inner mold and the upper part of the template. Reinforcing square steel is welded at the U-shaped notch and between the back rib of the inner mold and the upper part of the template. The horizontal height of the top of the reinforcing square steel is consistent with the horizontal height of the top of the inner mold template.

3. The A-wall formwork for reducing longitudinal joints during integral casting with bridge beams according to claim 1, characterized in that: A row of reinforcing triangular braces is welded on the outer wall of each section of the outer mold and adjacent to the bottom end, and the bottom end of each reinforcing triangular brace is welded and fixed to the top end of the prefabricated box beam side mold.

4. The A-wall formwork for reducing longitudinal joints during integral casting with a bridge beam according to claim 1, characterized in that: A plurality of size limiting angle steels are arranged between the top of each section of the outer mold and each section of the inner mold and along the longitudinal direction of wall A. The two ends of the horizontal part of each size limiting angle steel are respectively mounted on the top of the outer mold and the inner mold and fixedly connected by bolts.

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