CN215887970U

CN215887970U - Box culvert movement joint construction structures

Info

Publication number: CN215887970U
Application number: CN202122019132.7U
Authority: CN
Inventors: 陈世才; 丁瑞; 黎鑫
Original assignee: Chongqing Xinzhou Construction Engineering Co ltd
Current assignee: Chongqing Xinzhou Construction Engineering Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-02-22
Anticipated expiration: 2031-08-25

Abstract

The application discloses box culvert movement joint construction structures, it is including setting up the elastic water stop in movement joint department, pour respectively in two adjacent box culverts at the both ends of elastic water stop, elastic water stop carries out circumference to the movement joint and seals. This application has that the leakproofness is good, reduces the effect of leaking.

Description

Box culvert movement joint construction structures

Technical Field

The invention relates to the field of box culverts, in particular to a box culvert deformation joint construction structure.

Background

The box culvert refers to a culvert built by reinforced concrete box pipe joints. The box culvert is composed of one or more square or rectangular sections, and is often buried underground for drainage.

The box culvert is usually manufactured by cast-in-place, firstly, a foundation pit needs to be excavated, then a layer of concrete cushion is poured on the ground of the foundation pit, then an inner mould and steel bars are arranged on the cushion, then an outer mould is arranged, and finally the box culvert is formed by pouring.

A70-100 mm deformation joint is reserved between two adjacent box culverts, so that the box culverts have the capacity of resisting deformation, and usually, an operator can fill the reinforcing bars and the cement mortar at the deformation joint.

In view of the above-mentioned related art, the inventors found that the following drawbacks exist: when uneven settlement occurs between two adjacent box culverts, the sealing structure filled in the deformation joint can shift or fall off, and water leakage is caused.

SUMMERY OF THE UTILITY MODEL

In order to improve and cause the problem that the movement joint leaked because of the box culvert takes place to subside, this application provides a box culvert movement joint construction structures.

The application provides a box culvert movement joint construction structures adopts following technical scheme:

the utility model provides a box culvert movement joint construction structures, is including setting up the elastic water stop at movement joint department, pour respectively in two adjacent box culverts at the both ends of elastic water stop, elastic water stop carries out circumference to the movement joint and seals.

Through adopting above-mentioned technical scheme, at the pouring box culvert in-process, pour the steel-edged rubber waterstop together in the concrete, the elasticity waterstop has played waterproof effect in the movement joint, because the elasticity waterstop has certain pliability, when the box culvert takes place to subside, the elasticity gluey waterstop can not destroyed easily to make the movement joint can not take place to leak easily.

Optionally, a waterproof sealing layer is filled in the deformation joint, the sealing layer comprises an inner sealing layer and an outer sealing layer, and the inner sealing layer and the outer sealing layer are respectively filled on the inner side and the outer side of the elastic water stop.

Through adopting above-mentioned technical scheme, the both sides of elasticity waterstop are filled respectively and are had interior sealing layer and external seal layer, and interior sealing layer and external seal layer can strengthen the waterproof nature of movement joint.

Optionally, buffer layers are filled between the inner sealing layer and the elastic glue water stop band and between the outer sealing layer and the elastic glue water stop band.

By adopting the technical scheme, the buffer layer is arranged between the sealing layer and the steel-edged rubber water stop, and the use of the sealing layer can be reduced after the buffer layer is filled, so that the purpose of saving materials is achieved; when ambient temperature changes, the box culvert can take place expend with heat and contract with cold, and the interval of movement joint also can produce the change, and at this moment, the buffer layer can play the effect of buffering.

Optionally, the elastic water stop comprises a rubber strip and steel plates connected to two sides of the rubber strip, the steel plates are fixed in the box culvert, bulges are arranged on two sides of the rubber strip respectively, and the bulges are clamped in the box culvert.

Through adopting above-mentioned technical scheme, be provided with the arch on the elasticity waterstop for associativity between elasticity waterstop and the box culvert is better, when taking place the not equidimension between two box culverts and subsides, the elasticity waterstop is difficult for breaking away from the box culvert, and the elasticity waterstop can produce the tractive effect to the box culvert simultaneously, can effectively delay and subside.

Optionally, a fixing part is arranged on the steel plate, and the steel plate is connected to the steel bar in the box culvert through the fixing part.

Through adopting above-mentioned technical scheme, pour the in-process, elastic water stop accessible fixed part fixes on the reinforcing bar, and fixed part plays the positioning action to elastic water stop, and at the concreting in-process, elastic water stop can not take place the skew.

Optionally, the fixing part includes a fixing rib and a binding wire, the fixing rib is welded on the reinforcing steel bar, and the binding wire fixes the steel plate on the fixing rib.

Through adopting above-mentioned technical scheme, fixed part is including fixed muscle and bundle silk, and the clout of reinforcing bar in the job site can be adopted to fixed muscle, then ties up the elastic water stop on fixed muscle with the bundle silk, and fixed mode is simple, and can make full use of resource.

Optionally, the fixing part includes a fixing plate and a fixing bolt, one end of the fixing plate is fixedly connected to the steel bar, the other end of the fixing plate is fixedly connected to a connecting plate, the connecting plate is abutted to the steel plate, and the fixing bolt penetrates through the steel plate, the connecting plate and is fixed through a nut.

Through adopting above-mentioned technical scheme, the fixed part includes fixed plate and fixing bolt, with the connecting plate butt on the steel sheet of elastic water stop, then fixed through fixing bolt, the connected mode is simple, quick.

Optionally, the fixed plate is close to the one end of reinforcing bar articulates there are two splint, the reinforcing bar is located two between the splint, and two splint pass through fixing bolt connects.

Through adopting above-mentioned technical scheme, place the reinforcing bar in the middle of two splint, two splint pass through fixing bolt fixed to realize being connected between reinforcing bar and the steel limit rubber waterstop, the connected mode between fixed plate and the reinforcing bar is simple, quick, need not to use welding machine equipment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. an elastic water stop belt is adopted between the two box culverts for water prevention, and then a sealing layer is filled in the deformation joint, and the elastic water stop belt has certain flexibility, so that when the box culverts settle, the elastic water stop belt cannot be easily damaged, and the deformation joint cannot easily leak water;

2. the elastic water stop belt and the reinforcing steel bar are positioned through the fixing part, so that the elastic water stop belt is not easy to deflect in the concrete pouring process;

3. the bulge on the elastic water stop makes the associativity between the elastic water stop and the box culvert better, and when the two box culverts are settled in different degrees, the elastic water stop can produce a traction effect on the box culvert and can effectively delay the settlement.

Drawings

FIG. 1 is a schematic sectional view of a deformation joint.

Fig. 2 is a schematic structural view of a reinforcement cage.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

FIG. 4 is a schematic view of the structure of a fixing member according to embodiment 2.

Reference numerals: 1. a box culvert; 11. reinforcing steel bars; 2. an elastic water stop; 21. a steel plate; 211. connecting holes; 22. a rubber strip; 221. a protrusion; 3. a sealing layer; 4. a buffer layer; 5. a fixing member; 51. fixing the ribs; 52. bundling the wires; 53. a fixing plate; 531. a connecting plate; 532. a splint; 54. and (5) fixing the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Example 1

The embodiment of the application discloses box culvert movement joint construction structures. Referring to fig. 1 and 2, the box culvert deformation joint construction structure comprises an elastic water stop 2, a sealing layer 3 and a buffer layer 4 which are arranged in a deformation joint.

Box culvert 1 is hollow square pipe, and box culvert 1 is formed by concrete placement, and a plurality of reinforcing bars 11 have been buried underground to the inside of concrete, and a plurality of reinforcing bars 11 ligature become the steel reinforcement cage, and reinforcing bar 11 can strengthen box culvert 1's comprehensive properties.

The elastic water stop 2 is a steel-edged rubber water stop and is composed of two steel plates 21 and a rubber strip 22, two sides of the rubber strip 22 are respectively provided with a protrusion 221, the protrusions 221 on the two sides are symmetrically arranged along the width direction of the rubber strip 22, and the steel plates 21 are connected at the protrusion 221. The steel plate 21 and the bulge 221 are integrally poured inside the box culvert 1, and the steel edge rubber waterstop is enclosed into a closed square frame along the end face of the box culvert 1; the bulge 221 makes the associativity between the steel-edge rubber water stop and the box culvert 1 better, when the two box culverts 1 are settled in different degrees, the steel-edge rubber water stop is not easy to break away from the box culvert 1, and the steel-edge rubber water stop 2 can produce a traction effect on the box culvert 1 and can effectively delay settlement.

As shown in fig. 3, in order that the steel-edged rubber waterstop does not easily deflect during the pouring process, the steel bar 11 is provided with the fixing part 5, the fixing part 5 comprises a fixing rib 51 and a binding wire 52, the fixing rib 51 is a cylindrical steel bar and is welded on the steel bar 11, and the fixing rib 51 can use the residual steel bar excess material in the construction site, thereby being beneficial to fully utilizing resources. A plurality of round connecting holes 211 are formed in the steel plate 21 of the steel-edge rubber water stop, and the connecting holes 211 are arranged along the length direction of the steel-edge rubber water stop. After the operator finishes lashing the reinforcing steel bars 11, weld a plurality of fixed bars 51 on the reinforcing steel bars 11, then penetrate a bundle wire 52 in each connecting hole 211, and will prick the corresponding ligature of wire 52 on fixed bars 51, the steel limit rubber waterstop after the ligature can form the confined square frame, when carrying out concrete placement this moment, the steel limit rubber waterstop then can not take place the slope easily, when the both sides of steel limit rubber waterstop all pour in the box culvert 1 back, the waterproof function can be realized to the steel limit rubber waterstop.

As shown in fig. 1, the sealing layer 3 includes an inner sealing layer and an outer sealing layer, the sealing layer 3 is composed of a two-component polysulfide sealing paste, the two-component polysulfide sealing paste has good waterproof property, the waterproof property of a deformation joint can be further increased, and the two-component polysulfide sealing paste has good bonding effect and plays a role in bonding the two box culverts 1, so that the two box culverts 1 can be better connected into a whole.

Buffer layer 4 quantity is two, in order to practice thrift the use amount of two ingredient polysulfide sealants, fills buffer layer 4 between two ingredient polysulfide sealants and steel limit rubber waterstop, and buffer layer 4 comprises polystyrene rigid foam board, and when box culvert 1 took place expend with heat and contract with cold in movement joint department, polystyrene rigid foam board can play the cushioning effect, and polystyrene rigid foam board has good water resistance simultaneously, further increases the waterproof performance of movement joint department.

The implementation principle of box culvert movement joint construction structures of this application embodiment does: in the process of pouring the box culvert 1, the steel edge rubber water stop is bound on the fixing ribs 51 through the binding wires 52 to realize positioning, so that the steel edge rubber water stop is not easy to deflect in the process of pouring concrete, after the steel plates 21 on two sides of the steel edge rubber water stop are poured and molded with the box culvert 1, the polystyrene hard foam plates are filled on two sides of the steel edge rubber water stop, and then the two-component polysulfide sealant is filled to the outer side of the polystyrene hard foam plates.

Example 2

The present embodiment is different from embodiment 1 in that, as shown in fig. 4, the fixing member 5 includes a fixing plate 53 and a fixing bolt 54, one end of the fixing plate 53 is hinged with two semicircular clamping plates 532, one end of the clamping plate 532 away from the fixing plate 53 is integrally formed with a rectangular plate, after the two clamping plates 532 are clamped on the reinforcing steel bar 11, the two rectangular plates abut against each other, and then the fixing bolt 54 penetrates through the two rectangular plates and is fixed by a nut.

The end of the fixing plate 53 far away from the clamping plate 532 is integrally formed with a connecting plate 531, the connecting plate 531 is attached to the steel plate 21 of the steel-edged rubber water stop, and the connecting plate 531 and the steel plate 21 of the steel-edged rubber water stop are connected through a fixing bolt 54 and fixed through a nut.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a box culvert movement joint construction structures which characterized in that: including setting up elastic water stop (2) in movement joint department, the both ends of elastic water stop (2) are pour respectively in two adjacent box culvert (1), elastic water stop (2) carry out circumference to the movement joint and seal.

2. The box culvert movement joint construction structure of claim 1, characterized in that: the deformation joint is filled with and is used for waterproof sealing layer (3), sealing layer (3) are including interior sealing layer and outer sealing layer, interior sealing layer with outer sealing layer is filled respectively the inside and outside both sides of elasticity waterstop (2).

3. The box culvert movement joint construction structure of claim 2, characterized in that: buffer layers (4) are filled between the inner sealing layer and the elastic glue water stop belt (2) and between the outer sealing layer and the elastic glue water stop belt (2).

4. The box culvert movement joint construction structure of claim 1, characterized in that: elastic water stop (2) include rubber strip (22) and connect steel sheet (21) of rubber strip (22) both sides, steel sheet (21) are fixed in box culvert (1), be provided with arch (221) on the both sides of rubber strip (22) respectively, arch (221) joint is in box culvert (1).

5. The box culvert movement joint construction structure of claim 4, characterized in that: be equipped with fixed part (5) on steel sheet (2), steel sheet (2) pass through fixed part (5) are connected on reinforcing bar (11) in box culvert (1).

6. The box culvert movement joint construction structure of claim 5, characterized in that: the fixing part (5) comprises a fixing rib (51) and a binding wire (52), the fixing rib (51) is welded on the steel bar (11), and the binding wire (52) fixes the steel plate (21) on the fixing rib (51).

7. The box culvert movement joint construction structure of claim 5, characterized in that: the fixing part (5) comprises a fixing plate (53) and a fixing bolt (54), one end of the fixing plate (53) is fixedly connected with the steel bar (11), the other end of the fixing plate is fixedly connected with a connecting plate (531), the connecting plate (531) is abutted to the steel plate (21), and the fixing bolt (54) penetrates through the steel plate (21) and the connecting plate (531) and is fixed through a nut.

8. The box culvert movement joint construction structure of claim 7, characterized in that: the one end that fixed plate (53) are close to reinforcing bar (11) articulates there are two splint (532), and reinforcing bar (11) are located two between splint (532), and two splint (532) pass through fixing bolt (54) are connected.