CN218667108U

CN218667108U - Waterproof construction bridge expansion joint

Info

Publication number: CN218667108U
Application number: CN202223026850.8U
Authority: CN
Inventors: 张井龙; 孙胜花
Original assignee: Hengshui Difeng Engineering Rubber Co ltd
Current assignee: Hengshui Difeng Engineering Rubber Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-21
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a waterproof construction bridge expansion joint relates to bridge engineering technical field, including concrete, reinforcing bar and two sets of shaped steel, two sets of shaped steel pass through the reinforcing bar at the surface symmetry installation of concrete, and the below of two sets of shaped steel all is provided with the rubber slab, and is provided with the waterproof rubber area between two sets of shaped steel. The utility model discloses in, through the below at the waterproof rubber area setting through the water cavity with the chamber that catchments, make the surface ponding of waterproof rubber area by effectual collection, ponding between two sets of shaped steel has been avoided and bridge construction is influenced, and set up the drain pipe through the bottom in the chamber that catchments, make the ponding of waterproof rubber area by effectual discharge, the processing is piled up to ponding to what compare is current, the effective mediation of ponding has been realized, be favorable to prolonging the life in waterproof rubber area, the later maintenance cost in waterproof rubber area has been reduced, and avoided ponding to pile up for a long time and caused the corrosion to beam-ends steel sheet or reinforcing bar, be favorable to prolonging the life of bridge.

Description

Waterproof construction bridge expansion joint

Technical Field

The utility model relates to a bridge engineering technical field especially relates to a waterproof construction bridge expansion joint.

Background

The expansion joint of the bridge refers to the requirement for meeting the deformation of the bridge deck, usually, the expansion joint is arranged between two beam ends, between the beam ends and a bridge abutment or on the hinged position of the bridge, the expansion joint is required to freely expand and contract in two directions parallel to and perpendicular to the axis of the bridge, the expansion joint is firm and reliable, when a vehicle runs, the expansion joint is smooth and free of sudden jump and noise, rainwater and garbage soil can be prevented from permeating and blocking, the installation, the inspection, the maintenance and the dirt elimination are all simple and convenient, the handrail and the bridge deck pavement are disconnected at the position where the expansion joint is arranged, the expansion joint is an important component of the bridge structure, and the normal expansion function of the beam body is ensured.

Like chinese utility model discloses a No. CN 211973085U's a bridge expansion joint waterproof construction, this foundry goods bridge expansion joint waterproof construction discloses first rubber strip and second rubber strip through upper and lower both sides setting, is convenient for form dual water seal, can produce the moisture seepage when the exposed first rubber strip in top takes place ageing failure, because the guard action of second rubber strip, can carry out the shutoff with the percolating water, prevents that the percolating water from entering into the inside of bridge expansion joint avoids corroding inside reinforcing bar of beam-ends and steel sheet.

Although above-mentioned disclosed technical scheme compares current rubber strip and has better safeguard effect, however, no matter first rubber strip and second rubber strip take place ageing or damaged, ponding takes place to pile up on the surface of first rubber strip and second rubber strip easily, and then influences the life of beam-ends steel sheet or reinforcing bar, can not carry out effectual discharge to ponding, and ponding piles up on the surface of rubber strip for a long time, also influence the life of rubber strip easily, the later maintenance cost of bridge has been increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving ponding and taking place to pile up at the surface of first rubber strip and second rubber strip easily, and then influence the life of beam-ends steel sheet or reinforcing bar, can not carry out effectual discharge to ponding is piled up for a long time on the surface of rubber strip, also influences the life of rubber strip easily, has increased the shortcoming of the later maintenance cost of bridge, and the waterproof construction bridge expansion joint that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a waterproof structure bridge expansion joint comprises concrete, steel bars and two groups of profile steels, wherein the two groups of profile steels are symmetrically arranged on the surface of the concrete through the steel bars, rubber plates are arranged below the two groups of profile steels, and a waterproof rubber belt is arranged between the two groups of profile steels;

the periphery of the waterproof rubber belt is clamped and mounted with a limiting hook groove through clamping hooks, the limiting hook groove is formed in one side of the section steel, the two groups of clamping hooks above the limiting hook groove are connected through water guide grooves, and a water passing cavity is mounted at the bottom of each water guide groove;

the bottom in menstruation water cavity is connected with the chamber that catchments, and the bottom in chamber that catchments is connected with the drain pipe to the below outer wall of drain pipe is provided with the cystosepiment.

As a further description of the above technical solution:

two sets of through-holes have been seted up to the upside symmetry in chamber that catchments, and the outer wall fixed mounting in chamber that catchments has a rubber brace to the rubber brace sets up between the trip from top to bottom.

As a further description of the above technical solution:

the top of rubber brace passes through draw-in groove and shaped steel fixed mounting, and the rubber brace is provided with two sets ofly about the axis symmetry in water collecting cavity.

As a further description of the above technical solution:

through holes are formed in the upper end and the lower end of the water collecting cavity at equal intervals, the through holes above the water collecting cavity are connected with the bottom of the water guide groove, and the through holes below the water collecting cavity are connected with the top end of the water collecting cavity.

As a further description of the above technical solution:

the through hole is arranged above the drain pipe, and the central axis of the through hole is coincided with the central axis of the drain pipe.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the below at the waterproof rubber area setting through the water cavity with the chamber that catchments, make the surface ponding of waterproof rubber area by effectual collection, ponding between two sets of shaped steel has been avoided and bridge construction is influenced, and set up the drain pipe through the bottom in the chamber that catchments, make the ponding of waterproof rubber area by effectual discharge, the processing is piled up to ponding to what compare is current, the effective mediation of ponding has been realized, be favorable to prolonging the life in waterproof rubber area, the later maintenance cost in waterproof rubber area has been reduced, and avoided ponding to pile up for a long time and caused the corrosion to beam-ends steel sheet or reinforcing bar, be favorable to prolonging the life of bridge.

2. The utility model discloses in, set up the rubber brace through the bottom at the trip, make the rubber brace consolidate sealedly to the connection effect between trip and the spacing hook groove to be convenient for carry out the water guide to ponding between trip and the spacing hook groove, avoided ponding to make the influence to shaped steel and concrete, improved the stability of structure, and be favorable to prolonging the life of shaped steel.

3. The utility model discloses in, through set up the rubber slab in the below of shaped steel, make the rubber slab can protect the drain pipe when the drainage in one side, avoided the drain pipe to cause diseases such as bridge substructure surface whitening, water stain when the drainage, guaranteed bridge construction's stability to shaped steel and concrete's installation stability has been improved.

Drawings

Fig. 1 is a schematic sectional view of a bridge expansion joint with a waterproof structure according to the present invention;

fig. 2 is an enlarged schematic structural diagram of a in fig. 1 of the present invention.

Illustration of the drawings:

1. concrete; 2. reinforcing steel bars; 3. section steel; 301. a limiting hook groove; 302. a card slot; 4. a rubber plate; 5. a waterproof rubber tape; 501. a hook is clamped; 502. a water chute; 503. a menses chamber; 504. a through hole; 505. a water collection cavity; 506. a through hole; 507. rubber bracing strips; 508. a drain pipe; 6. a foam board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, a waterproof bridge expansion joint comprises concrete 1, steel bars 2, section steel 3, a limiting hook groove 301, a clamping groove 302, a rubber plate 4, a waterproof rubber belt 5, a clamping hook 501, a water guide groove 502, a water passing cavity 503, a through hole 504, a water collecting cavity 505, a through hole 506, a rubber brace 507, a drain pipe 508 and a foam plate 6, wherein the two groups of section steel 3 are symmetrically installed on the surface of the concrete 1 through the steel bars 2, the steel bars 2 are arranged inside the concrete 1 in a staggered manner, and the steel bars 2 are provided with transverse bars inside the concrete 1, so that the installation stability of the section steel 3 is ensured, and the rubber plate 4 is embedded inside the two groups of section steel 3 and arranged below the waterproof rubber belt 5 in consideration of the waterproof isolation effect of the section steel 3 outside the concrete 1, so that the accuracy of the waterproof position of the rubber plate 4 is ensured;

considering the sealing performance and the waterproof effect between two groups of section steel 3, a waterproof rubber belt 5 is arranged between the two groups of section steel 3, the periphery of the waterproof rubber belt 5 is clamped and installed with a limit hook groove 301 through a clamping hook 501, the limit hook groove 301 is arranged on one side of the section steel 3, the two groups of clamping hooks 501 on the upper part are connected through a water chute 502, a water collecting cavity 503 is arranged at the bottom of the water chute 502, the bottom of the water collecting cavity 503 is integrally connected with a water collecting cavity 505 through rubber, through holes 504 are arranged at equal intervals on the upper end and the lower end of the water collecting cavity 503, the arrangement of the through holes 504 does not affect the integral structure and the service life of the waterproof rubber belt 5, the through holes 504 on the upper part are connected with the bottom of the water chute 502, and the through holes 504 on the lower part are connected with the top end of the water collecting cavity 505, the accumulated water in the water guide groove 502 enters the water passing cavity 503 through the through hole 504 at the upper part, and enters the water collecting cavity 505 through the through hole 504 at the bottom of the water passing cavity 503, the bottom of the water collecting cavity 505 is connected with the water discharging pipe 508, the water discharging pipe 508 is arranged below the through hole 504, the through hole 504 and the water discharging pipe 508 are arranged at the central axis of the water collecting cavity 505, the accumulated water on the surface of the waterproof rubber belt 5 is discharged in time, the service life of the waterproof rubber belt 5 is prolonged, the bottom end of the water discharging pipe 508 exceeds the bottom end position of the rubber plate 4, the interference of the water discharging pipe 508 on the concrete 1 during water discharging is reduced as much as possible, and the outer wall of the water discharging pipe 508 is provided with the foam plate 6 during the installation, the user can install the water discharging pipe 508 stably, and the use safety of the water discharging pipe 508 is ensured.

Further, for guaranteeing the tight water guide effect of waterproof rubber belt 5, through set up rubber brace 507 between upper and lower trip 501, make rubber brace 507 can carry out the water guide to the gap department ponding between guiding gutter 502 and the spacing hook groove 301 to two sets of through-holes 506 have been seted up through the upside symmetry at water collecting cavity 505, make this ponding can get into the inside of water collecting cavity 505 through-hole 506, be convenient for quick with ponding discharge.

Further, two sets of rubber brace 507 tops that the outer wall symmetry of water collecting cavity 505 set up are through draw-in groove 302 and shaped steel 3 fixed mounting, have ensured the installation stability of rubber brace 507 to the linkage effect of waterproof rubber area 5 has been guaranteed.

The working principle is as follows: during the use, through set up waterproof rubber area 5 between two sets of shaped steel 3, at waterproof rubber area 5 through trip 501, the inside installation effect of spacing hook groove 301 at shaped steel 3, through set up guiding gutter 502 in the bottom of trip 501, make guiding gutter 502 carry out the water guide to the ponding between two sets of shaped steel 3 and collect, and through set up through water cavity 503 in the bottom of guiding gutter 502, under the effect that sets up through hole 504 in through water cavity 503 both ends, make ponding on waterproof rubber area 5 surface pass through guiding gutter 502 and get into through water cavity 503, and get into water collecting cavity 505 through hole 504 in water cavity 503 bottom, be convenient for finally discharge through the drain pipe 508 of catchment chamber 505 bottom, simultaneously, set up through-hole 506 through the last shoulder at catchment chamber 505, under the fixed action of rubber brace 507 and shaped steel 3, make rubber brace 507 can with the infiltration between trip 501 and spacing hook groove 301 or leak through the leading-in chamber 505 that catchments of through-hole 506, water guide and the drainage effect of waterproof rubber area 5 have been ensured, it piles up at the inside of waterproof rubber area 5 to have avoided ponding, be favorable to prolonging the water-proof effects of extension, be convenient for improve the whole service quality of bridge, the theory of operation at this expansion joint has just so been accomplished.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a waterproof construction bridge expansion joint, includes concrete (1), reinforcing bar (2) and two sets of shaped steel (3), two sets of shaped steel (3) are through reinforcing bar (2) at the surface symmetry installation of concrete (1), its characterized in that: rubber plates (4) are arranged below the two groups of section steels (3), and waterproof rubber belts (5) are arranged between the two groups of section steels (3);

the periphery of the waterproof rubber belt (5) is clamped and installed with a limiting hook groove (301) through clamping hooks (501), the limiting hook groove (301) is formed in one side of the section steel (3), the two groups of clamping hooks (501) above are connected through water guide grooves (502), and the bottom of the water guide grooves (502) is provided with a water passing cavity (503);

the bottom of the water passing cavity (503) is connected with a water collecting cavity (505), the bottom of the water collecting cavity (505) is connected with a drain pipe (508), and the outer wall below the drain pipe (508) is provided with a foam board (6).

2. The waterproof structure bridge expansion joint of claim 1, wherein: two sets of through-holes (506) have been seted up to the upside symmetry in water collection chamber (505), and the outer wall fixed mounting in water collection chamber (505) has rubber brace (507) to rubber brace (507) set up between upper and lower trip (501).

3. The waterproof structure bridge expansion joint of claim 2, wherein: the top of rubber brace (507) passes through draw-in groove (302) and shaped steel (3) fixed mounting, and rubber brace (507) is provided with two sets of about the axis symmetry of catchment chamber (505).

4. The waterproof structure bridge expansion joint of claim 1, wherein: through holes (504) are formed in the upper end and the lower end of the water cavity (503) at equal intervals, the through holes (504) in the upper portion are connected with the bottom of the water guide groove (502), and the through holes (504) in the lower portion are connected with the top end of the water collecting cavity (505).

5. The waterproof structure bridge expansion joint of claim 4, wherein: the through hole (504) is arranged above the drain pipe (508), and the central axis of the through hole (504) is coincided with the central axis of the drain pipe (508).