CN216739228U

CN216739228U - Bridge bent cap segmentation is prefabricated assembles fixed knot and constructs

Info

Publication number: CN216739228U
Application number: CN202220399057.3U
Authority: CN
Inventors: 姚兵; 黄琪; 陈坤鹏; 刘建; 李世超; 钱宇航
Original assignee: China Construction Seventh Engineering Division Corp Ltd; Transportation Construction Co Ltd of China Construction Seventh Engineering Division Corp Ltd
Current assignee: China Construction Seventh Engineering Division Corp Ltd; Transportation Construction Co Ltd of China Construction Seventh Engineering Division Corp Ltd
Priority date: 2022-02-27
Filing date: 2022-02-27
Publication date: 2022-06-14
Anticipated expiration: 2032-02-27

Abstract

The application provides a fixed knot constructs is assembled in bridge bent cap segmentation prefabrication, including spandrel column, first bent cap and second bent cap fixed mounting respectively still include at the spandrel column top: the beam column assembling block is fixedly connected to the top of the bearing column, a U-shaped stirrup is fixedly connected inside the beam column assembling block, and the other end of the U-shaped stirrup is fixedly connected inside the bearing column; the first bent cap assembling module comprises a first pouring plate fixedly connected to one end of the first bent cap, and a reinforcing plate is fixedly connected to the inner side of the first pouring plate; the module is assembled to second bent cap, including pouring the board at the second of second bent cap one end including fixed connection, the board bottom fixedly connected with tensile supporting shoe is pour to the second, and the tensile and compressive strength of first bent cap and second bent cap concatenation department have been reinforceed to this application, have reduced bridge bent cap and have assembled the department tensile and compressive strength lower, bear the load for a long time and take place deformation to produce not hard up, lead to the risk that bridge structural stability descends.

Description

Bridge bent cap segmentation is prefabricated assembles fixed knot and constructs

Technical Field

The utility model relates to the technical field of bridge capping beams, in particular to a bridge capping beam segmented prefabricating, assembling and fixing structure.

Background

The capping beam refers to a cross beam provided on the top of the bent pier to support, distribute and transfer the load of the superstructure. Also known as a hat beam. The bridge pier (platform) or the row pile is provided with a beam made of reinforced concrete or less reinforced concrete. The main function is to support the bridge superstructure and transfer all loads to the substructure. The bridge piles are directly connected with the bent cap, and the bridge piles are connected with the upright posts and then connected with the bent cap.

However, the tensile strength and the compressive strength of the assembly part of the existing bridge bent cap are low, and the bridge bent cap is easy to deform after bearing load for a long time, so that the stability of the bridge structure is reduced, and therefore improvement is made to the structure, and the bridge bent cap segmented prefabrication and assembly fixing structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the problem of the bridge structure stability decline that leads to not hard up is produced to the department tensile and compressive strength are lower to bridge bent cap that exists at present assembling, and the deformation easily takes place for bearing the load for a long time.

In order to realize the purpose of the utility model, the utility model provides the following technical scheme:

the fixing structure is assembled in the bridge bent cap segmentation prefabrication to improve above-mentioned problem.

The present application is specifically such that:

including heel post, first bent cap and second bent cap, first bent cap with the second bent cap is fixed mounting respectively in the heel post top still includes:

the beam column assembling block is fixedly connected to the top of the bearing column, a U-shaped stirrup is fixedly connected inside the beam column assembling block, the other end of the U-shaped stirrup is fixedly connected inside the bearing column, and a first fixing hole penetrates through the beam column assembling block;

the first bent cap assembling module comprises a first pouring plate fixedly connected to one end of the first bent cap, and a reinforcing plate is fixedly connected to the inner side of the first pouring plate;

the second bent cap assembling module comprises a second pouring plate fixedly connected to one end of the second bent cap, a tensile supporting block fixedly connected to the bottom of the second pouring plate, and a plurality of fixing bolts fixedly connected to the top surface of the tensile supporting block.

As a preferred technical scheme of the application, one end of the first bent cap is fixedly connected with a first stirrup and a second stirrup, and a straight steel bar corresponding to the bent parts of the first stirrup and the second stirrup is fixedly connected between the second pouring plates; the straight steel bars are hooked through the first stirrups and the second stirrups respectively, the tensile strength of the splicing positions of the first cover beam and the second cover beam can be enhanced, and the compressive strength of the splicing positions of the first cover beam and the second cover beam can be enhanced after concrete is poured.

As a preferred technical scheme of the present application, mounting grooves are formed in positions of the first bent cap and the second bent cap corresponding to the beam column assembly block, screw holes are formed in inner side walls of the mounting grooves, outer side walls of the first bent cap and the second bent cap are both connected with a fixed steel pipe in a sliding manner, and the fixed steel pipe penetrates through the first fixing hole and is in threaded connection with the screw holes in the inner side walls of the mounting grooves; fixed steel pipe passes first fixed orifices to it is spacing to make U type stirrup carry out fixed steel pipe, thereby prevents that first bent cap and second bent cap from assembling the piece from the roof beam post and upwarp when making the concatenation department of first bent cap and second bent cap bear forward load, thereby strengthens the joint strength between heel post and first bent cap and the second bent cap.

As a preferred technical scheme of the application, the reinforcing plate is provided with a limiting hole corresponding to the fixing bolt, and the outer side of the fixing bolt is connected with a nut; the fixing bolt penetrates through the limiting hole of the reinforcing plate and is fixedly connected with the reinforcing plate through the nut, so that the tensile support block and the reinforcing plate are fixed, and the tensile strength of the splicing position of the first cover beam and the second cover beam is enhanced.

As a preferred technical scheme of the present application, lifting lugs are fixedly connected to the outer side walls of the first bent cap and the second bent cap; the hoisting installation of the first cover beam and the second cover beam is facilitated.

Compared with the prior art, the utility model has the beneficial effects that:

in the scheme of the application:

1. the tensile strength and the compressive strength of the splicing part of the first bent cap and the second bent cap are enhanced through the arranged first bent cap assembling module and the second bent cap assembling module, and the problems that the tensile strength and the compressive strength of the splicing part of the bent cap of the bridge are low, and the bent cap of the bridge is easy to deform after bearing a load for a long time, so that the structural stability of the bridge is reduced due to looseness are solved;

2. the block is assembled through the roof beam post that sets up, convenient and fast has strengthened the firm degree between bent and the bearing post of bent and make the bent risk that makes the roof beam assemble the piece perk from the roof beam post of roof beam bearing to the construction is simple and convenient, has shortened the engineering time.

Drawings

Fig. 1 is a schematic structural view of a bridge bent cap segmental prefabrication, assembling and fixing structure provided by the application;

fig. 2 is a schematic structural view of a beam column assembling block of the bridge bent cap segmented prefabrication assembling fixing structure provided by the application;

fig. 3 is a schematic structural view of a first bent cap of the bridge bent cap segmental prefabrication, assembly and fixation structure provided by the application;

fig. 4 is a schematic structural view of a second bent cap of the bridge bent cap segmental prefabrication, assembling and fixing structure provided by the application.

The figures are marked by:

1. a load-bearing column; 201. a first capping beam; 202. a second capping beam; 3. beam column splicing blocks; 301. u-shaped stirrups; 302. a first fixing hole; 303. mounting grooves; 304. fixing the steel pipe; 4. a first bent cap assembly module; 401. a first casting plate; 402. a reinforcing plate; 403. a first stirrup; 404. a second stirrup; 5. a second bent cap assembly module; 501. a second pouring plate; 502. a tensile support block; 503. fixing the bolt; 504. straightening steel bars; 6. and (7) lifting lugs.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.

The embodiment is as follows:

as shown in fig. 1, fig. 2, fig. 3, and fig. 4, the present embodiment provides a bridge capping beam segment prefabrication and assembly fixing structure, including a load-bearing column 1, a first capping beam 201 and a second capping beam 202, where the first capping beam 201 and the second capping beam 202 are respectively and fixedly installed on the top of the load-bearing column 1, and further including:

the beam column assembling block 3 is fixedly connected to the top of the bearing column 1, a U-shaped stirrup 301 is fixedly connected inside the beam column assembling block 3, the other end of the U-shaped stirrup 301 is fixedly connected inside the bearing column 1, and a first fixing hole 302 penetrates through the beam column assembling block 3;

the first bent cap assembling module 4 comprises a first pouring plate 401 fixedly connected to one end of the first bent cap 201, and a reinforcing plate 402 is fixedly connected to the inner side of the first pouring plate 401;

the second bent cap assembling module 5 comprises a second pouring plate 501 fixedly connected to one end of the second bent cap 202, a tensile supporting block 502 is fixedly connected to the bottom of the second pouring plate 501, and a plurality of fixing bolts 503 are fixedly connected to the top surface of the tensile supporting block 502.

As shown in fig. 1, 3, and 4, one end of the first capping beam 201 is fixedly connected with a first stirrup 403 and a second stirrup 404, and a straight steel bar 504 corresponding to the bent portion of the first stirrup 403 and the bent portion of the second stirrup 404 is fixedly connected between the second casting plates 501; the straight steel bars 504 are hooked by the first stirrups 403 and the second stirrups 404 respectively, so that the tensile strength of the joint of the first capping beam 201 and the second capping beam 202 can be enhanced, and the compressive strength of the joint of the first capping beam 201 and the second capping beam 202 can be enhanced after concrete is poured.

As shown in fig. 2, the first bent cap 201 and the second bent cap 202 are provided with mounting grooves 303 at positions corresponding to the beam column assembling blocks 3, inner side walls of the mounting grooves 303 are provided with screw holes, outer side walls of the first bent cap 201 and the second bent cap 202 are both connected with fixing steel pipes 304 in a sliding manner, and the fixing steel pipes 304 pass through the first fixing holes 302 and are in threaded connection with the screw holes on the inner side walls of the mounting grooves 303; the fixing steel pipe 304 penetrates through the first fixing hole 302, so that the U-shaped hoop 301 limits the fixing steel pipe 304, the first cover beam 201 and the second cover beam 202 are prevented from tilting up from the beam column assembly block 3 when the joint of the first cover beam 201 and the second cover beam 202 bears a forward load, and the connection strength between the bearing column 1 and the first cover beam 201 and the second cover beam 202 is enhanced.

As shown in fig. 3 and 4, the reinforcing plate 402 has a limiting hole corresponding to the fixing bolt 503, and a nut is connected to the outer side of the fixing bolt 503; the fixing bolt 503 penetrates through the limiting hole of the reinforcing plate 402 and is fixedly connected with the reinforcing plate 402 through a nut, so that the tensile support block 502 and the reinforcing plate 402 are fixed, and the tensile strength of the joint of the first cover beam 201 and the second cover beam 202 is enhanced.

As shown in fig. 1, 3 and 4, lifting lugs 6 are fixedly connected to outer side walls of the first capping beam 201 and the second capping beam 202; the hoisting installation of the first and second capping beams 201, 202 is facilitated.

Specifically, this fixed knot constructs is assembled in prefabricated section of bridge bent cap when using: pulling out the fixed steel pipe 304 outwards, hoisting the second cover beam 202 to the upper side of the load-bearing column 1 through the lifting lugs 6, enabling the installation groove 303 to be aligned with the beam-column assembly block 3 and then fall down, thereby installing the second cover beam 202 on the top of the load-bearing column 1, pushing back the fixed steel pipe 304 to pass through the first fixing hole 302 and be screwed on the screw hole on the inner side wall of the installation groove 303, meanwhile, the fixed steel pipe 304 passes through the U-shaped hoop 301, the U-shaped hoop 301 limits the fixed steel pipe 304, thereby preventing the first cover beam 201 and the second cover beam 202 from tilting from the beam-column assembly block 3 when the joint of the first cover beam 201 and the second cover beam 202 bears positive load, thereby enhancing the connection strength between the load-bearing column 1 and the first cover beam 201 and the second cover beam 202, hoisting the first cover beam 201 to be installed on another load-bearing column 1 in the same way, at this time, the fixing bolt 503 on the top surface of the support block 502 passes through, the reinforcing plate 402 is fixedly connected with the reinforcing plate 402 through a nut, so that the tensile support block 502 and the reinforcing plate 402 are fixed, the tensile strength of the joint of the first cover beam 201 and the second cover beam 202 is enhanced, the first stirrups 403 and the second stirrups 404 hook the straight reinforcing steel bars 504 respectively, the side surfaces of the first pouring plate 401 and the second pouring plate 501 are aligned to form a concrete pouring groove, concrete is poured into the groove until the side surfaces of the first pouring plate and the second pouring plate are aligned with the top surfaces of the first cover beam 201 and the second cover beam 202, and the first cover beam 201 and the second cover beam 202 are firmly spliced together under the combined action of the concrete, the first stirrups 403, the second stirrups 404 and the fixing bolts 503.

Claims

1. The utility model provides a fixed knot constructs is assembled in prefabricated section of bridge bent cap, includes spandrel column (1), first bent cap (201) and second bent cap (202), first bent cap (201) with second bent cap (202) respectively fixed mounting in spandrel column (1) top, its characterized in that still includes:

the beam-column assembling block (3) is fixedly connected to the top of the bearing column (1), a U-shaped stirrup (301) is fixedly connected inside the beam-column assembling block (3), the other end of the U-shaped stirrup (301) is fixedly connected inside the bearing column (1), and a first fixing hole (302) penetrates through the beam-column assembling block (3);

the first cover beam assembling module (4) comprises a first pouring plate (401) fixedly connected to one end of the first cover beam (201), and a reinforcing plate (402) is fixedly connected to the inner side of the first pouring plate (401);

module (5) is assembled to second bent cap, including draw fixed connection in board (501) is pour to the second of second bent cap (202) one end, board (501) bottom fixedly connected with tensile supporting shoe (502) is pour to the second, many fixing bolt (503) of tensile supporting shoe (502) top surface fixedly connected with.

2. The bridge capping beam segment prefabrication and assembly fixing structure of claim 1, wherein one end of the first capping beam (201) is fixedly connected with a first stirrup (403) and a second stirrup (404), and a straight steel bar (504) corresponding to the bent portion of the first stirrup (403) and the bent portion of the second stirrup (404) is fixedly connected between the second pouring plates (501).

3. The bridge bent cap segmental prefabrication, assembly and fixation structure according to claim 1, wherein the first bent cap (201) and the second bent cap (202) are provided with mounting grooves (303) at positions corresponding to the beam column assembly blocks (3), the inner side walls of the mounting grooves (303) are provided with screw holes, the outer side walls of the first bent cap (201) and the second bent cap (202) are both slidably connected with fixing steel pipes (304), and the fixing steel pipes (304) penetrate through the first fixing holes (302) and are in threaded connection with the screw holes in the inner side walls of the mounting grooves (303).

4. The bridge capping beam segmented prefabrication and assembly fixing structure of claim 1, wherein the reinforcing plate (402) is provided with a limiting hole corresponding to the fixing bolt (503), and a nut is connected to the outer side of the fixing bolt (503).

5. The bridge capping beam segment prefabrication and assembly fixing structure of claim 1, wherein lifting lugs (6) are fixedly connected to outer side walls of the first capping beam (201) and the second capping beam (202).