CN213450415U - Novel water intercepting system for deformation joint of subway tunnel - Google Patents

Novel water intercepting system for deformation joint of subway tunnel Download PDF

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Publication number
CN213450415U
CN213450415U CN202022712487.XU CN202022712487U CN213450415U CN 213450415 U CN213450415 U CN 213450415U CN 202022712487 U CN202022712487 U CN 202022712487U CN 213450415 U CN213450415 U CN 213450415U
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China
Prior art keywords
deformation joint
receiving box
water receiving
water
butyl rubber
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CN202022712487.XU
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Chinese (zh)
Inventor
蒋海军
王利伟
张鲁明
杨一才
刘扬
李淑强
陈立鹏
陈万丽
张朋
黄海滨
高真儒
付书学
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Qingdao Municipal Engineering Design Institute Co ltd
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Qingdao Municipal Engineering Design Institute Co ltd
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Abstract

The utility model discloses a novel system of intercepting water of subway tunnel movement joint belongs to movement joint and intercepts water technical field. The technical scheme is as follows: the water receiving box comprises a deformation joint liner plate and a water receiving box, wherein the deformation joint liner plate is positioned in a deformation joint, an isolation film is arranged at the bottom of the deformation joint liner plate, and sealant is coated at the bottom of the isolation film; the both sides of water receiving box along length direction are provided with the fixed plate, and the cladding has butyl rubber on the fixed plate and scribbles on the butyl rubber and the concrete structure in tunnel one side that contacts and scribble putty. The utility model discloses simple structure, butyl rubber just scribbles putty on butyl rubber on the cladding on the both sides fixed plate of water receiving box for the water receiving box is inseparable with the concrete structure contact, and the water-stopping effect is better when the water receiving box is fixed firm.

Description

Novel water intercepting system for deformation joint of subway tunnel
Technical Field
The utility model relates to a movement joint cuts water technical field, concretely relates to novel system of cutting off water of subway tunnel movement joint.
Background
In recent years, subways rapidly become main public transport for residents in large and medium-sized cities by virtue of the characteristics of rapidness, safety and stability. Subway stations are more and more, deformation joints are designed at interfaces between the subway stations and the sections to reduce the difference deformation between the stations and the sections due to the fact that the subway stations and the sections are different in structural style, and the interfaces between the stations become serious disaster areas of subway leakage water due to the existence of the deformation joints.
With the increasingly fine subway equipment and even the arrival of unmanned subways, the paralysis and even casualty accidents of subway systems can be caused by a small amount of underground water, and the treatment of the subway leakage water is more and more important.
The existing water receiving box is a stainless steel plate fixed by screws, and because the screws and the steel plate are made of steel, a seam is inevitably formed in the contact position, so that the problem of poor water interception effect of the water receiving box is caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the novel water intercepting system for the subway tunnel deformation joint is provided, the structure is simple, the fixing plates on the two sides of the water receiving box are coated with butyl rubber, putty is coated on the butyl rubber, the water receiving box is in tight contact with a concrete structure, and the water intercepting effect is better when the water receiving box is fixed and firm.
The technical scheme of the utility model is that:
the novel water intercepting system for the deformation joint of the subway tunnel comprises a deformation joint liner plate and a water receiving box, wherein the deformation joint liner plate is positioned in the deformation joint, an isolation film is arranged at the bottom of the deformation joint liner plate, and sealant is coated at the bottom of the isolation film; the both sides of water receiving box along length direction are provided with the fixed plate, and the cladding has butyl rubber on the fixed plate and scribbles on the butyl rubber and the concrete structure in tunnel one side that contacts and scribble putty.
Preferably, a sealant is coated between the outer side of the water receiving box and the concrete structure of the tunnel.
Preferably, the fixing plate is fixed to the concrete structure of the tunnel by screws.
Preferably, the deformation joint liner panel is a polyethylene foam panel.
Preferably, the isolating film is a PE film with the thickness of 0.2-0.3 mm.
Preferably, the water receiving box adopts a stainless steel plate with the thickness of 1 mm.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses a cut water system simple structure, butyl rubber and scribble the putty on butyl rubber on the cladding on the both sides fixed plate of water receiving box for the water receiving box is inseparable with concrete structure contact, and the fixed firm while water-stopping effect of water receiving box is better. Simultaneously the utility model discloses fill in the movement joint liner plate in the movement joint to set up the barrier film and sealed glue in the bottom, further held back groundwater, improved greatly the utility model discloses the effect of intercepting water of intercepting system.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the water receiving box of the present invention.
In the figure, 1-deformation joint liner plate, 2-water receiving box, 3-isolating membrane, 4-sealant, 5-fixing plate, 6-butyl rubber, 7-concrete structure and 8-screw.
Detailed Description
Example 1
As shown in fig. 1-2, the embodiment provides a novel water intercepting system for a subway tunnel deformation joint, which comprises a deformation joint liner plate 1 and a water receiving box 2, wherein the deformation joint liner plate 1 made of polyethylene foam plate is plugged into the deformation joint, an isolation membrane 3 made of a PE film with the thickness of 0.2-0.3mm is arranged at the bottom of the deformation joint liner plate 1, and a sealant 4 is coated at the bottom of the isolation membrane 3; the water receiving box 2 of 1mm thick corrosion resistant plate material is provided with fixed plate 5 along length direction's both sides, and the cladding has butyl rubber 6 and butyl rubber 6 to scribble the putty with the one side that the concrete structure 7 in tunnel contacted on the fixed plate 5, and fixed plate 5 passes through the screw 8 to be fixed on the concrete structure 7 in tunnel. The putty and the sealant 4 used in the embodiment are conventional products in the field, and are not described herein again.
During construction, according to the size Q of water discharged per linear meter of underground water after tunnel excavation at a deformation joint position, the size of leakage water Q at the position after structure pouring is estimated, and the relationship between the size Q and the leakage water Q is B multiplied by Q (the deformation joint is positioned on a flat slope or a slope top of a line) or Q is 2 multiplied by B multiplied by Q/S (the deformation joint is positioned on the slope bottom of the line). Wherein B is a coefficient of variation, the coefficient is obtained by local same geological statistics according to geological values of different regions, and S is the length of the deformation joint. And determining the width 2b and the depth h of the water receiving box 2 according to the size of q, wherein the relationship between the width 2b and the depth h is 2b multiplied by h multiplied by S, 2b is more than or equal to 100mm and less than or equal to 150mm, and h is more than or equal to 30mm and less than or equal to 50 mm. Therefore, the size of the water receiving box 2 can be reasonably set according to the size of water leakage of different stratums, and the construction cost is reduced.
The size of the water receiving box 2 is calculated by the method, and the water receiving box 2 is prefabricated in a factory or a construction site. The deformation joint liner plate 1 is stuffed in when reinforcing steel bars on two sides of a deformation joint are bound, and an isolation film 3 and a sealant 4 are smeared at the bottom of the deformation joint liner plate 1 after a structure is poured. And then, when the tunnel concrete structures 7 on the two sides of the deformation joint are poured, reserving the mounting structure of the water receiving box 2 (namely, a wood block to reserve the mounting space of the water receiving box 2). After pouring is finished, the water receiving box 2 is fixed on a concrete structure 7 by using screws 8 at the positions of the fixing plates 5 on the two sides of the water receiving box 2, and then the installation of the whole water interception system is finished.
The water interception system of the embodiment has the function of blocking underground water by plugging the deformation joint liner plate 1 in the deformation joint. And because the fixing plates 5 at the two sides of the water receiving box 2 are coated with the butyl rubber 6 and the butyl rubber 6 is coated with putty, the water receiving box 2 can be attached to the concrete structure 7 more tightly after being fixed on the concrete structure 7, thereby playing a good plugging role and solving the problem that the water receiving box 2 in the past design is a layer of stainless steel plate fixed by the screw 8, and because the screw 8 and the steel plate are both made of steel, the contact position is bound to have a seam, so that the water receiving effect is poor.
Example 2
On the basis of the embodiment 1, a sealant 4 is coated between the outer side of the water receiving box 2 and a concrete structure 7 of the tunnel. After the water receiving box 2 is fixed on the concrete structure 7 by the screw 8, the sealant 4 is filled in the gap between the outer side of the water receiving box 2 and the concrete structure 7, so that the effect of plugging the gap between the water receiving box 2 and the concrete structure 7 can be achieved, and the outflow of leakage water is reduced.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. Novel water intercepting system of subway tunnel movement joint, its characterized in that: the water receiving box comprises a deformation joint liner plate (1) and a water receiving box (2), wherein the deformation joint liner plate (1) is positioned in a deformation joint, an isolation film (3) is arranged at the bottom of the deformation joint liner plate (1), and a sealant (4) is coated at the bottom of the isolation film (3); fixing plates (5) are arranged on two sides of the water receiving box (2) along the length direction, butyl rubber (6) is coated on the fixing plates (5), and putty is coated on one surface, in contact with a concrete structure (7) of the tunnel, of the butyl rubber (6).
2. The novel water intercepting system of subway tunnel deformation joint of claim 1, characterized in that: and a sealant (4) is coated between the outer side of the water receiving box (2) and the concrete structure (7) of the tunnel.
3. The novel water intercepting system of subway tunnel deformation joint of claim 1, characterized in that: the fixing plate (5) is fixed on a concrete structure (7) of the tunnel through a screw (8).
4. The novel water intercepting system of subway tunnel deformation joint of claim 1, characterized in that: the deformation joint liner plate (1) is a polyethylene foam plate.
5. The novel water intercepting system of subway tunnel deformation joint of claim 1, characterized in that: the isolating film (3) is a PE film with the thickness of 0.2-0.3 mm.
6. The novel water intercepting system of subway tunnel deformation joint of claim 1, characterized in that: the water receiving box (2) is made of a stainless steel plate with the thickness of 1 mm.
CN202022712487.XU 2020-11-22 2020-11-22 Novel water intercepting system for deformation joint of subway tunnel Active CN213450415U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022712487.XU CN213450415U (en) 2020-11-22 2020-11-22 Novel water intercepting system for deformation joint of subway tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022712487.XU CN213450415U (en) 2020-11-22 2020-11-22 Novel water intercepting system for deformation joint of subway tunnel

Publications (1)

Publication Number Publication Date
CN213450415U true CN213450415U (en) 2021-06-15

Family

ID=76302645

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022712487.XU Active CN213450415U (en) 2020-11-22 2020-11-22 Novel water intercepting system for deformation joint of subway tunnel

Country Status (1)

Country Link
CN (1) CN213450415U (en)

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