CN212927887U

CN212927887U - Tunnel side wall movement joint waterproof construction

Info

Publication number: CN212927887U
Application number: CN202021537739.3U
Authority: CN
Inventors: 祖双
Original assignee: Wuhan Optical Valley Electric Power Technology Co ltd
Current assignee: Wuhan Optical Valley Electric Power Technology Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-04-09
Anticipated expiration: 2030-07-29

Abstract

The application relates to a tunnel side wall deformation joint waterproof structure, which relates to the field of tunnel construction and comprises a side wall plate, a steel edge rubber water stop, a foaming plate, an externally-attached rubber water stop, a first isolation layer, a drainage tank and a locking piece; a deformation joint is reserved between every two adjacent side wall plates, a groove is formed in the outer side of each side wall plate, the groove is communicated with the deformation joint, the drainage groove is located in the groove, the opening of the drainage groove faces the deformation joint, and the drainage groove is fixed on the side wall plates through a plurality of groups of locking pieces; the foaming plate is located in the movement joint, steel limit rubber waterstop is located movement joint middle part and with the length direction of movement joint is laid perpendicularly, paste formula rubber waterstop outward first isolation layer is laid from the extroversion in proper order the movement joint is kept away from the one end of water drainage tank. This application has the effect that prevents the tunnel side wall movement joint and take place the seepage.

Description

Tunnel side wall movement joint waterproof construction

Technical Field

The application relates to the field of tunnel construction, in particular to a tunnel side wall deformation joint waterproof structure.

Background

Tunnels are engineering structures buried in the ground and are a form of human use of underground space. In the construction of the concrete side wall of the tunnel, because of the influence of factors such as temperature change, uneven settlement of a foundation, earthquake and the like, additional stress and deformation are generated in the structure of the side wall of the tunnel, if the additional stress and deformation are not properly treated, the damage of a building, cracks and even collapse are generated, the use and safety are influenced, and the integrity of the wall body of the tunnel is enhanced, so that the wall body of the tunnel has enough strength and rigidity to overcome the damage stress without damage; the structure is broken at the deformation sensitive parts in advance, and certain gaps are reserved to ensure that the buildings of all parts have enough deformation width in the gaps without causing damage to the buildings. Such a reserved gap that vertically divides a building is called a deformation joint.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: under the long-term outside hydraulic effect in tunnel, tunnel side wall movement joint department takes place the infiltration phenomenon easily, can cause the inside and outside pressure differential unbalance in tunnel on the one hand, influences tunnel overall structure, and on the other hand still can bring very big maintenance pressure for tunnel operation administration unit, has great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to prevent the tunnel side wall deformation joint from leaking, the application provides a tunnel side wall deformation joint waterproof construction.

The application provides a pair of tunnel side wall movement joint waterproof construction adopts following technical scheme:

a tunnel side wall deformation joint waterproof structure comprises side wall plates, a steel edge rubber water stop, a foaming plate, an externally attached rubber water stop, a first isolation layer, a drainage groove and a locking piece;

a deformation joint is reserved between every two adjacent side wall plates, a groove is formed in the outer side of each side wall plate, the groove is communicated with the deformation joint, the drainage groove is located in the groove, the opening of the drainage groove faces the deformation joint, and the drainage groove is fixed on the side wall plates through a plurality of groups of locking pieces;

the foaming plate is located in the movement joint, steel limit rubber waterstop is located movement joint middle part and with the length direction of movement joint is laid perpendicularly, paste formula rubber waterstop outward first isolation layer is laid from the extroversion in proper order the movement joint is kept away from the one end of water drainage tank.

Through adopting above-mentioned technical scheme, steel limit rubber waterstop has the fender that separates, waterproof effect forms one confined waterproof line in movement joint department, fill the foaming board simultaneously in the movement joint, make movement joint department sealed, can prevent that the inboard water of wall body from leaking outside the wall through the movement joint seepage, set up outer formula rubber waterstop in the movement joint inboard, first isolation layer, it is double-deck waterproof, can further strengthen movement joint department water-proof effects, the water drainage tank is convenient for collect the water conservancy diversion with a small amount of infiltration organized of movement joint department, the retaining member makes things convenient for the staff to install the water drainage tank at the side wall plate fast, make the installation of water drainage tank more firm.

Preferably, the locking member includes: the device comprises an insertion rod, a spring, a stop block and a limiting block;

mounting plates are horizontally arranged on two opposite sides of the drainage groove, mounting through holes are formed in the mounting plates, reserved grooves are formed in the positions, corresponding to the mounting through holes, of the side wall plates, limiting grooves are formed in two opposite inner side walls of the reserved grooves, and the inserting rods penetrate through the mounting through holes and are inserted into the reserved grooves;

the dog is located the one end of inserted bar, the fixed slot has been seted up to the relative both sides of the inserted bar other end, the spring is equipped with two, two the spring is located respectively in the fixed slot and one end with the interior diapire fixed connection of fixed slot, the stopper is equipped with two, two the stopper is located respectively the other end of spring, the one end that the stopper is close to the spring is located all the time in the fixed slot, the compression the spring can make the stopper submerges in the fixed slot, the stopper with spacing groove looks adaptation.

Through adopting the above-mentioned technical scheme, when installation water drainage tank, correspond installation through-hole and preformed groove earlier, then press and move two stoppers and be close to each other, the spring is compressed, the stopper submerges in the fixed slot, the one end of keeping away from the dog with the inserted bar runs through the installation through-hole, and insert the preformed groove, when the stopper moves to spacing groove department, the spring resumes deformation, under the effect of spring restoring force, the one end that the spring was kept away from to the stopper inserts the spacing inslot, dog and stopper cooperate, thereby make water drainage tank be fixed on the side wall plate by firm, easy to assemble, can realize water drainage tank's quick installation.

Preferably, one end of the deformation joint close to the drainage groove is provided with a sealing glue layer.

Through adopting above-mentioned technical scheme, the one end of sealing glue layer outside to the movement joint carries out good sealed, improves the waterproof nature of movement joint department.

Preferably, the sealant layer is filled with a high-modulus polyurethane sealant.

By adopting the technical scheme, the high-modulus polyurethane sealant has good cohesiveness and tensile resistance, the sealing property of a deformation joint can be further enhanced, and the waterproof property of the deformation joint is improved.

Preferably, the two ends of the foaming plate are respectively provided with a second isolating layer.

Through adopting above-mentioned technical scheme, the second isolation layer has the fender effect that separates, can further strengthen the waterproof ability of movement joint department, fully guarantees movement joint department security performance.

Preferably, the second isolation layer is a polyethylene isolation film.

Through adopting above-mentioned technical scheme, polyethylene keeps apart the membrane and has good waterproof, dampproofing ability, makes it be difficult for receiving the erosion of the water that oozes outside the tunnel from both ends protection foaming board.

Preferably, a waterproof coiled material is laid on the inner side of the first isolation layer.

By adopting the technical scheme, the waterproof coiled material further enhances the waterproof capability of the inner side of the side wall plate, so that water of the wall body is not easy to leak to the deformation joint.

Preferably, a foam plastic rod is arranged between the externally-attached rubber water stop and the first isolation layer, and the foam plastic rod is arranged in parallel with the deformation joint and is positioned in the same plane with the deformation joint.

Through adopting above-mentioned technical scheme, when deformation joint department takes place to stretch or shrink, the foam plastic stick has good slow pressure effect, makes outer formula rubber waterstop, first isolation layer, waterproofing membrane of pasting difficult quilt rupture, improves its life.

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

1. the steel-edged rubber water stop has the functions of blocking and waterproofing to form a closed waterproof line at the deformation joint, the external rubber water stop and the first isolation layer are arranged on the inner side of the deformation joint, the double-layer waterproofing is realized, the waterproof effect at the deformation joint can be further enhanced, and the drainage groove is convenient for collecting and guiding a small amount of seepage water at the deformation joint in an organized manner;

2. in the locking part, the stop block is matched with the limiting block to clamp and fix the mounting plate, so that the drainage channel is stably fixed on the side wall plate, the mounting is convenient, and the quick mounting of the drainage channel can be realized;

3. when the deformation joint takes place to stretch or shrink, the foam plastic stick has good pressure relieving effect, makes outer formula rubber waterstop, first isolation layer, waterproofing membrane of pasting difficult quilt rupture, improves its life.

Drawings

FIG. 1 is a schematic cross-sectional structural view of an embodiment of the present application;

fig. 2 is an enlarged view at a in fig. 1.

Description of reference numerals: 1. a sidewall plate; 11. reserving a groove; 12. a limiting groove; 2. a steel-edged rubber waterstop; 3. a foam board; 4. an externally-attached rubber waterstop; 5. a first isolation layer; 6. a water discharge tank; 61. mounting a plate; 7. a locking member; 71. inserting a rod; 711. fixing grooves; 72. a spring; 73. a stopper; 74. a limiting block; 8. deformation joints; 9. sealing the adhesive layer; 10. a second isolation layer; 13. waterproof coiled materials; 14. a foam plastic rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses tunnel side wall movement joint waterproof construction. Referring to fig. 1, the tunnel side wall deformation joint waterproof structure comprises a side wall plate 1, a steel edge rubber water stop belt 2, a foaming plate 3, a drainage channel 6 and a locking member 7; the outside of wall body is located to side wall plate 1, side wall plate 1 is formed by concrete placement, it has movement joint 8 to reserve between two adjacent side wall plates 1, movement joint 8 is close to the wall body tip and has set gradually outer paste formula rubber waterstop 4 from the extroversion inwards, first isolation layer 5, the waterproofing membrane layer, first isolation layer 5 is the dry-laid asphalt felt, waterproofing membrane 13 accords with flexible waterproofing membrane 13 for pitch, outer paste formula rubber waterstop 4, be equipped with foam plastic stick 14 between the first isolation layer 5, foam plastic stick 14 and movement joint 8 parallel arrangement just are located the coplanar with movement joint 8.

Set up outer formula rubber waterstop 4, first isolation layer 5, waterproofing membrane 13 in movement joint 8 inboards, the multilayer is waterproof, can further strengthen movement joint 8 department water-proof effects, when movement joint 8 department takes place to stretch or shrink, foam plastic stick 14 has good slow pressure effect, makes outer formula rubber waterstop 4, first isolation layer 5, waterproofing membrane 13 be difficult for being broken, improves its life.

In the movement joint 8 was located to foaming board 3, foaming board 3 was the low foaming PVC board, and steel limit rubber waterstop 2 is buried underground in movement joint 8 middle part and is laid perpendicularly with the length direction of movement joint 8, and second isolation layer 10 has been laid respectively at 3 both ends of foaming board, and second isolation layer 10 is the polyethylene barrier film. One end of the deformation joint 8, which is far away from the external-sticking type rubber water stop 4, is provided with a sealing adhesive layer 9, and the sealing adhesive layer 9 is formed by filling high-modulus polyurethane sealant.

The second isolation layer 10 has the effect of keeping off, can further strengthen the waterproof ability of movement joint 8 department, fully guarantees movement joint 8 department security performance. The polyethylene barrier film has good waterproof and moistureproof capabilities, and protects the foam board 3 from water erosion from both ends. The steel edge rubber water stop 2 has the functions of blocking and waterproofing to form a closed waterproof line at the deformation joint 8, and meanwhile, the foaming plate 3 is filled in the deformation joint 8, so that the deformation joint 8 is sealed, and water on the inner side of the wall body can be prevented from leaking out of the wall through the deformation joint 8. The sealing glue layer 9 performs good sealing on one end of the outer side of the deformation joint 8, and waterproofness of the deformation joint 8 is improved. The high-modulus polyurethane sealant has good cohesiveness and tensile resistance, can further enhance the sealing property of the deformation joint 8 and improve the waterproof property of the deformation joint 8.

Referring to fig. 1 and 2, a groove is formed in the outer side of the side wall plate 1, the groove is communicated with the deformation joint 8, the water drainage groove 6 is made of stainless steel, the water drainage groove 6 is located in the groove, the opening of the water drainage groove faces the deformation joint 8, and the water drainage groove 6 is fixed on the side wall plate 1 through a plurality of groups of locking pieces 7; the retaining member 7 includes: an insertion rod 71, a spring 72, a stopper 73 and a stopper 74; mounting plates 61 are horizontally arranged on two opposite sides of the drainage channel 6, the mounting plates 61 and the drainage channel 6 are integrally formed, mounting through holes are formed in the mounting plates 61, preformed grooves 11 are formed in the positions, corresponding to the mounting through holes, of the side wall plates 1, limiting grooves 12 are formed in two opposite inner side walls of the preformed grooves 11, and the insertion rods 71 penetrate through the mounting through holes and are inserted into the preformed grooves 11; the stopper 73 is made of stainless steel, the stopper 73 is welded at one end of the insertion rod 71, the two opposite sides of the other end of the insertion rod 71 are provided with two fixing grooves 711, the two springs 72 are respectively positioned in the fixing grooves 711, one end of each spring is welded and fixed with the inner bottom wall of the corresponding fixing groove 711, the limiting blocks 74 are made of stainless steel, the two limiting blocks 74 are respectively welded at the other end of each spring 72, one ends, close to the springs 72, of the limiting blocks 74 are always positioned in the fixing grooves 711, the springs 72 are compressed, the limiting blocks 74 can be immersed in the fixing grooves 711, and the limiting blocks 74 are matched with the limiting grooves 12.

The drainage channel 6 is convenient for collect the water conservancy diversion with a small amount of infiltration organized of movement joint 8 department. Retaining member 7 makes things convenient for the staff to install water drainage tank 6 at side wall plate 1 fast, makes water drainage tank 6's installation more firm. When installation water drainage tank 6, correspond installation through-hole and preformed groove 11 earlier, then press and move two stopper 74 and be close to each other, spring 72 is compressed, stopper 74 submerges in fixed slot 711, the one end of keeping away from dog 73 with inserted bar 71 runs through the installation through-hole, and insert in the preformed groove 11, when stopper 74 moves to spacing groove 12 department, spring 72 resumes deformation, under the effect of spring 72 restoring force, the one end that spring 72 was kept away from to stopper 74 inserts in spacing groove 12, dog 73 and stopper 74 cooperate, thereby make water drainage tank 6 by firm fixing on side wall plate 1, easy to assemble, can realize water drainage tank 6's quick installation.

The implementation principle of the tunnel side wall deformation joint waterproof structure of the embodiment of the application is as follows: set up foaming board 3 in movement joint 8, sealed in making movement joint 8, set up first isolation layer 5, outer formula rubber waterstop 4 of pasting simultaneously between movement joint 8 and wall body, through inside shutoff in the movement joint 8, plus multilayer waterproof layer strengthens the waterproof ability of movement joint 8 department, prevents that tunnel side wall movement joint 8 from taking place the water seepage.

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 tunnel side wall movement joint waterproof construction which characterized in that: the side wall plate comprises a side wall plate block (1), a steel edge rubber water stop (2), a foaming plate (3), an externally attached rubber water stop (4), a first isolation layer (5), a drainage groove (6) and a locking piece (7);

a deformation joint (8) is reserved between every two adjacent side wall plates (1), a groove is formed in the outer side of each side wall plate (1), the groove is communicated with the deformation joint (8), the drainage groove (6) is located in the groove, the opening of the drainage groove faces the deformation joint (8), and the drainage groove (6) is fixed on the side wall plates (1) through a plurality of groups of locking pieces (7);

foaming plate (3) are located in movement joint (8), steel edge rubber waterstop (2) are located movement joint (8) middle part and with the length direction of movement joint (8) is laid perpendicularly, paste formula rubber waterstop (4) outward first isolation layer (5) are laid from the extroversion in proper order movement joint (8) are kept away from the one end of water drainage tank (6).

2. The tunnel side wall deformation joint waterproof structure of claim 1, characterized in that: the retaining member (7) comprises: the device comprises an insertion rod (71), a spring (72), a stop block (73) and a limiting block (74);

mounting plates (61) are horizontally arranged on two opposite sides of the drainage groove (6), mounting through holes are formed in the mounting plates (61), a reserved groove (11) is formed in the position, corresponding to the mounting through holes, of each side wall plate (1), limiting grooves (12) are formed in two opposite inner side walls of each reserved groove (11), and the inserting rod (71) penetrates through the mounting through holes and is inserted into the reserved groove (11);

dog (73) are located the one end of inserted bar (71), fixed slot (711) have been seted up to the relative both sides of the inserted bar (71) other end, spring (72) are equipped with two, two spring (72) are located respectively in fixed slot (711) and one end with the interior diapire fixed connection of fixed slot (711), stopper (74) are equipped with two, two stopper (74) are located respectively the other end of spring (72), the one end that stopper (74) are close to spring (72) is located all the time in fixed slot (711), the compression spring (72), can make stopper (74) sink into in fixed slot (711), stopper (74) with spacing groove (12) looks adaptation.

3. The tunnel side wall deformation joint waterproof structure of claim 1, characterized in that: one end of the deformation joint (8) close to the drainage groove (6) is provided with a sealing glue layer (9).

4. The tunnel side wall deformation joint waterproof structure of claim 3, characterized in that: the sealant layer (9) is filled with high-modulus polyurethane sealant.

5. The tunnel side wall deformation joint waterproof structure of claim 1, characterized in that: and two ends of the foaming plate (3) are respectively provided with a second isolating layer (10).

6. The tunnel side wall deformation joint waterproof structure of claim 5, characterized in that: the second isolation layer (10) is a polyethylene isolation film.

7. The tunnel side wall deformation joint waterproof structure of claim 1, characterized in that: and a waterproof coiled material (13) is laid on the inner side of the first isolation layer (5).

8. The tunnel side wall deformation joint waterproof structure of claim 1, characterized in that: a foam plastic rod (14) is arranged between the external-sticking rubber water stop (4) and the first isolation layer (5), and the foam plastic rod (14) and the deformation joint (8) are arranged in parallel and are located in the same plane with the deformation joint (8).