CN215887913U

CN215887913U - Waterproof structure for water stop belt of bridge expansion joint

Info

Publication number: CN215887913U
Application number: CN202122396511.8U
Authority: CN
Inventors: 刘玮; 段会斌; 邱家浩
Original assignee: Qingdao Hailiwei Polymer Technology Co ltd
Current assignee: Qingdao Hailiwei Polymer Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-22
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a waterproof structure for a water stop of a bridge expansion joint, which comprises beam plates which are uniformly and symmetrically distributed, wherein a combined waterproof structure is arranged at the expansion joint between the beam plates and comprises the water stop and an installation belt; according to the scheme, the mode of splicing and combining the water stop belt and the installation belt is adopted, when the water stop belt is broken and damaged, the water stop belt can be quickly replaced, the surface of a bridge is not affected, manpower and material resources used in replacement and installation are saved, the construction time is shortened, and the construction efficiency is improved; in addition, through setting up the slot that blocks water, can effectually absorb the inside moisture of waterproof construction to permeating, further prevent that moisture from permeating waterproof mechanism and entering into inside the expansion joint, avoid moisture to cause serious influence to the bridge inner structure.

Description

Waterproof structure for water stop belt of bridge expansion joint

Technical Field

The utility model relates to the technical field of building construction waterproofing, in particular to a waterproof structure for a water stop belt of a bridge expansion joint.

Background

At present, in the bridge construction process, in order to meet the requirement of bridge deck deformation, expansion joints are usually arranged between two beam plates and between the beam plates and a bridge abutment, the expansion joints are required to be freely telescopic in two directions parallel to and perpendicular to the axis of a bridge, and the expansion joints are firm and reliable, smooth and free from sudden jump and noise when a vehicle runs, rainwater and garbage soil can be prevented from permeating and blocking, and the installation, the inspection, the maintenance and the dirt elimination are simple and convenient; however, in the prior art, the waterstop waterproof structures adopted by the expansion joints are all designed by adopting integral forming, after concrete is poured on the waterstop waterproof structures to be fixedly installed on a beam slab, the waterstop waterproof structures cannot be quickly disassembled, if the waterstop waterproof structures are to be disassembled, the surface of the bridge needs to be grooved to a certain degree, the waterstop can be taken out and replaced, and after a new waterstop is replaced, the surface of the bridge is corrected and laid again, so that a large amount of labor and working hours are consumed in the process, and the cost is increased by integrally replacing the waterstop waterproof structures; in addition, in the existing waterproof structure of the water stop, the joint of the waterproof structure of the water stop and the bridge is not a tight joint, and in the long-time use process, water can permeate from the gap of the contact surface and collect and drip at the bottom of the expansion joint, thereby influencing the components at the bottom of the bridge expansion joint.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that a waterproof structure of a water stop belt on a bridge expansion joint cannot be quickly disassembled and replaced, water seepage and water leakage occur in a contact gap and the like in the prior art, and provides the waterproof structure of the water stop belt of the bridge expansion joint, which can quickly replace the water stop belt, saves manpower and material resources used in replacement and installation, shortens construction time and improves construction efficiency; through setting up the slot that blocks water, effectively absorb the inside moisture of waterproof construction to permeating, prevent that moisture from permeating waterproof mechanism and entering into inside the expansion joint.

The technical scheme of the utility model is as follows:

the utility model provides a bridge expansion joint waterstop waterproof construction, includes even symmetric distribution's beam slab expansion joint department between the beam slab is provided with combination formula waterproof construction, a serial communication port, combination formula waterproof construction includes waterstop and installation area, all peg graft at the both ends of waterstop and install the installation area, the installation area is fixed on the beam slab, on the installation area with the one end bottom that the waterstop meets is provided with the slot that blocks water.

Furthermore, a boss for installing the installation belt is arranged on the beam plate, the installation belt is fixed on the top surface of the boss of the beam plate through a fixing bolt, and concrete is poured on the installation belt.

Furthermore, a stabilizing rib and a positioning rubber plate for blocking the concrete are arranged on the top surface of the mounting belt, and the stabilizing rib is positioned in the concrete; the installation belt is also provided with a clamping groove used for being connected with the water stop belt.

Further, both ends of the waterstop are provided with limiting insertion plates, the waterstop is fixedly connected with the limiting insertion plates through a connecting belt, and the limiting insertion plates and the connecting belt are inserted and installed in the clamping grooves.

Furthermore, the bottom of the end faces of the two sides of the water stop belt is provided with a water blocking strip, and the end point of the bottom of the water blocking strip is located right above the water blocking groove.

Furthermore, a water-absorbent resin is arranged in the water blocking groove.

The utility model has the beneficial effects that:

the waterproof structure for the water stop of the bridge expansion joint, provided by the utility model, has the advantages that the structure is simple, the installation and the use are convenient, the water stop can be quickly replaced when the water stop is broken and damaged by adopting a mode of splicing and combining the water stop and the installation belt, no influence is caused on the surface of a bridge, meanwhile, manpower and material resources used in replacement and installation are saved, the construction time is shortened, and the construction efficiency is improved; in addition, through setting up the slot that blocks water, can effectually absorb the inside moisture of waterproof construction to permeating, further prevent that moisture from permeating waterproof mechanism and entering into inside the expansion joint, avoid moisture to cause serious influence to the bridge inner structure.

Drawings

Fig. 1 is a schematic view of the overall structure of a waterproof structure of a water stop for a bridge expansion joint according to the present invention;

FIG. 2 is a schematic view of a water stop structure provided by the present invention;

FIG. 3 is a schematic top view of FIG. 2

FIG. 4 is a schematic view of a mounting strap configuration provided by the present invention;

FIG. 5 is a schematic top view of the structure of FIG. 4;

in the figure, 1, a beam plate; 2. a water stop; 21. together; 22. a limiting inserting plate; 23. a water-blocking strip; 3. mounting a belt; 31. a stabilizing rib; 32. positioning a rubber plate; 33. a clamping groove; 34. a water blocking groove; 35. a water-absorbent resin; 36. mounting holes; 4. a fixing bolt; 5. and (3) concrete.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the utility model.

It is to be understood that the terms "bottom surface, top surface, two ends, symmetrical, vertical" and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

As shown in fig. 1 to 5, the utility model relates to a waterproof structure for a water stop of a bridge expansion joint, which comprises two beam plates 1 which are uniformly and symmetrically distributed, wherein a combined waterproof structure is arranged at the expansion joint between the two beam plates 1; the combined waterproof structure comprises a water stop 2 and an installation belt 3, the water stop 2 is in a w-shaped structural design and has stretchability and resilience, the phenomenon that the water stop 2 is torn when the expansion joint is changed is reduced, and the service life of the water stop 2 is prolonged; the installation belts 3 are respectively inserted and installed at two ends of the water stop belt 2, the installation belts 3 are respectively and fixedly installed on the two symmetrically arranged beam plates 1, and the water stop belt 2 is conveniently detached and installed from the installation belts 3 through the insertion installation of the water stop belt 2 and the installation belts 3, so that the water stop belt 2 is conveniently and alternately replaced, the construction efficiency is improved, and the construction cost is reduced; in addition, be provided with the slot 34 that blocks water that is "U" type structure in the one end bottom surface of installing strip 3, the slot 34 that blocks water is close to the position setting that the installing strip 3 meets with waterstop 2, through setting up the slot 34 that blocks water, can effectively catch and prestore the water droplet of following the infiltration drippage in the seam, avoids the water droplet to fall into the expansion joint bottom, prevents to cause the influence to the bridge.

It should be noted that, as shown in fig. 1, fig. 4 and fig. 5, in a specific embodiment, a boss for placing the mounting strip 3 is provided on the beam slab 1, and the mounting strip 3 is fixedly mounted on the top surface of the boss of the beam slab 1 through a fixing bolt 4, in this specific embodiment, the fixing bolt 4 is an expansion bolt, which penetrates through the mounting strip 3 and is then driven into the top surface of the boss of the beam slab 1 to preliminarily position the mounting strip 3; in addition, concrete 5 is poured on the mounting strip 3, and after the concrete 5 is solidified, the mounting strip 3 is fixedly connected with the bridge 1 and is prevented from being pulled out and falling off from the bridge 1 due to stretching and drawing.

It should be explained that, as shown in fig. 4 and 5, in a specific embodiment, a positioning rubber plate 32 is further disposed on the top surface of the mounting belt 3, the positioning rubber plate 32 is vertically disposed, the top surface of the positioning rubber plate 32 is at the same horizontal height as the top surface of the beam slab 1, and the positioning rubber plate 32 is disposed to limit the poured concrete 5, so that the concrete 5 can be better shaped during pouring, and the concrete is prevented from flowing around; in addition, a plurality of stabilizing ribs 31 are uniformly arranged on the top surface of the mounting strip 3, the stabilizing ribs 31 are embedded in the concrete 5, and the mounting strip 3 is further stabilized on the beam slab 1 by arranging the stabilizing ribs 31, so that the mounting strip 3 is prevented from being pulled and falling off; in addition, a clamping groove 33 for mounting the water stop 2 is arranged at one end of the mounting band 3 connected with the water stop 2.

It should be further noted that, as shown in fig. 1 to fig. 3, in a specific embodiment, both ends of the water stop 2 are provided with limiting insertion plates 22, and the limiting insertion plates 22 are fixedly connected with the water stop 2 through a connecting belt 21; the limiting inserting plate 22 and the connecting belt 21 are inserted and installed in the clamping groove 33, and the limiting inserting plate 22 and the connecting belt 21 are in interference fit with the clamping groove 33; the water stop belt 2 is connected with the installation belt 3 by inserting the limiting inserting plate 22 into the clamping groove 33, and meanwhile, the water stop belt 2 is not easily stretched and separated after being installed with the installation belt 3 by the limiting inserting of the limiting inserting plate 22 and the clamping groove 33; in addition, the hot melt adhesive is coated on the plugging surfaces of the limiting plugboard 22 and the clamping groove 33, so that the plugging gap is further sealed, and the moisture penetration is prevented.

It should be further explained that, as shown in fig. 1 to fig. 3, in a specific embodiment, the bottom of the end surfaces on both sides of the water stop 2 is provided with a water blocking strip 23, the water blocking surface of the water blocking strip 23 is vertically arranged, and the water blocking surface of the water blocking strip 23 is flush with the end surfaces on both sides of the water stop 2; in addition, in the present embodiment, the cross section of the water blocking strip 23 is a triangular structure, and the bottom end point thereof is located right above the water blocking groove 34; through setting up water bar 23, make the moisture that permeates into in waterproof construction from the seam along the bottom surface of waterstop 2, behind the face that blocks water of water bar 23, collect at the bottom extreme point of water bar 23, finally make moisture drip and fall into and collect in the ditch groove 34 that blocks water.

Furthermore, as shown in fig. 4, in the embodiment, the water-blocking groove 34 is provided with a water-absorbing resin 35 inside, which is used for absorbing the water dropped into the water-blocking groove 34, so as to prevent the water from dropping into the inside and the bottom of the bridge expansion joint due to its good water absorption and water retention properties, and also prolong the service life of the water-stop waterproof structure and reduce the replacement frequency.

The foregoing description of the specific embodiments of the present invention has been presented for the purposes of illustration and description and is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching, the examples having been selected and described for the purpose of illustrating the particular principles of the utility model and the practical application, thereby enabling others skilled in the art to make and use various embodiments of the utility model and various alternatives and modifications. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims

1. The utility model provides a bridge expansion joint waterstop waterproof construction, includes even symmetric distribution's beam slab (1) expansion joint department between beam slab (1) is provided with combination formula waterproof construction, a serial communication port, combination formula waterproof construction includes waterstop (2) and installation area (3), all peg graft at the both ends of waterstop (2) and install installation area (3), installation area (3) are fixed on beam slab (1), on installation area (3) with the one end bottom that waterstop (2) meet is provided with slot (34) that blocks water.

2. The waterproof structure for the water stop of the bridge expansion joint according to claim 1, wherein a boss for installing the installation belt (3) is arranged on the beam plate (1), the installation belt (3) is fixed on the top surface of the boss of the beam plate (1) through a fixing bolt (4), and concrete (5) is poured on the installation belt (3).

3. The waterproof structure of the bridge expansion joint water stop of claim 2, characterized in that the top surface of the mounting strip (3) is provided with a stabilizing rib (31) and a positioning rubber plate (32) for blocking the concrete (5), wherein the stabilizing rib (31) is positioned in the concrete (5); the mounting band (3) is also provided with a clamping groove (33) used for being connected with the water stop band (2).

4. The waterproof structure for the water stop of the bridge expansion joint according to claim 3, wherein two ends of the water stop (2) are respectively provided with a limiting insertion plate (22), the water stop (2) is fixedly connected with the limiting insertion plates (22) through connecting belts (21), and the limiting insertion plates (22) and the connecting belts (21) are respectively inserted and installed in the clamping grooves (33).

5. The waterproof structure for the water stop of the bridge expansion joint according to claim 4, wherein the water stop strips (23) are arranged at the bottoms of the end faces of the two sides of the water stop (2), and the bottom end points of the water stop strips (23) are positioned right above the water stop grooves (34).

6. The water stop structure for a bridge expansion joint according to claim 1, wherein a water absorbent resin (35) is provided in the water blocking groove (34).