Integrated waterproof structure with anchored seal

Abstract

The present invention discloses an integrated waterproof structure of an anchored sealing gasket, wherein an embedded steel plate is arranged in the middle of the sealing gasket, the protruding end of the embedded steel plate toward the precast concrete structure is serrated, and the protruding end of the embedded steel plate toward the precast concrete structure is fixedly connected to the steel cage of the precast concrete structure; the embedded steel plate and the steel cage are cast together in the precast concrete structure to form a pasted contact surface; the sealing gasket is partially cast in the precast concrete structure to form a pasted contact surface. The present invention ensures the long-term connection reliability of the structure and the accurate positioning of the sealing gasket through a combination of three connection measures, thereby avoiding the on-site pasting process of the sealing gasket whose quality is difficult to control, and avoiding the problem of the sealing gasket being separated from the structure caused by improper assembly of the precast concrete structure, thereby ensuring the waterproof effect of the shield tunnel or the underground precast assembled structure.

Description

Technical Field

[0001] The invention relates to the technical field of waterproof structures, and in particular to an anchored sealing pad. Background Art

[0002] Sealing gaskets are widely used as waterproof measures in underground prefabricated assembly structures (such as but not limited to shield tunnels). They are located between the pipe joints of underground prefabricated assembly structures (or the pipe segment joints of shield tunnels). Traditional sealing gaskets used in underground prefabricated assembly structures are connected to prefabricated concrete structures in the form of adhesive bonding. Since it is difficult to ensure the adhesive effect during on-site construction, the adhesive surface between the sealing gasket and the concrete structure becomes a weak waterproof surface, which is prone to leakage and thus affects the normal use of the structure.

[0003] like Figure 1 As shown, the embedded sealing gasket of the prior art extends the foot of the traditional sealing gasket. During the concrete pouring process, the sealing gasket is placed in the unformed concrete and the position of the sealing gasket is adjusted. Although the application of the sealing gasket has achieved good results overall, there is a problem that the concrete pouring between the feet at both ends of the sealing gasket is not dense, and the connection method between the rubber and the concrete is only the bonding of the sealing gasket and the concrete contact surface. The connection method is not reliable enough, and there is a possibility that the sealing gasket and the structure will be detached due to improper assembly of the concrete prefabricated blocks.

[0004] Technicians in this technical field are committed to solving the above-mentioned technical defects. Summary of the invention

[0005] In view of the above-mentioned defects in the prior art, the technical purpose of the present invention is to solve the problems mentioned in the above-mentioned background technology.

[0006] In order to achieve the above technical objectives, the present invention provides an integrated waterproof structure of an anchored sealing gasket, wherein an embedded steel plate is arranged in the middle of the sealing gasket, and the protruding end of the embedded steel plate toward the precast concrete structure is serrated, and the protruding end of the embedded steel plate toward the precast concrete structure is fixedly connected to a steel cage in the precast concrete structure; the protruding end of the embedded steel plate toward the precast concrete structure and the steel cage are cast together in the precast concrete structure to form a bonding contact surface; the sealing gasket is partially cast in place in the precast concrete structure to form a bonding contact surface.

[0007] Furthermore, one end of the sealing gasket facing the precast concrete structure is in a tenon shape.

[0008] Furthermore, the cross section of the sealing gasket is porous.

[0009] Furthermore, the sealing gasket material is EPDM rubber.

[0010] Beneficial effects of the present invention:

[0011] Due to the above structural design, the connection measures between the sealing gasket and the precast concrete structure of the present invention simultaneously include welding or binding one end of the serrated embedded steel plate to the steel cage, bonding the embedded steel plate to the contact surface of the precast concrete structure, and bonding the sealing gasket to the contact surface of the precast concrete structure. The combination of the three connection measures ensures long-term structural connection reliability and accurate positioning of the sealing gasket, thereby avoiding the on-site gluing process of the sealing gasket whose quality is difficult to control and avoiding the problem of the sealing gasket being detached from the structure caused by improper assembly of the precast concrete structure, thereby ensuring the waterproof effect of the shield tunnel or the underground precast assembled structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the prior art;

[0013] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0014] Figure 3 It is a structural schematic diagram of the serrated steel plate in the present invention.

[0015] In the figure: 1 sealing gasket, 2 embedded steel plate, 3 precast concrete structure, 4 steel cage. DETAILED DESCRIPTION

[0016] The concept, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present invention.

[0017] Example:

[0018] like Figure 2-Figure 3 As shown, an integrated waterproof structure of an anchored sealing pad is shown. The cross section of the sealing pad 1 is designed according to the waterproof requirements and adopts a porous cross section. The material of the sealing pad 1 can be a single material or a composite material, such as EPDM rubber material.

[0019] An embedded steel plate 2 is arranged in the middle of the sealing gasket 1. The protruding end of the embedded steel plate 2 toward the precast concrete structure 3 (such as precast assembled pipe segments, shield tunnel segments, etc.) is serrated. The serrated spacing of one end of the embedded steel plate 2 is determined according to the spacing of the steel cage 4 of the precast concrete structure 3 (they can be in contact and fixed); the serrated end of the embedded steel plate 2 is fixedly connected to the steel bars of the steel cage 4 in the precast concrete structure 3 by welding or binding. This rigid fixed connection relationship ensures that the sealing gasket is accurately positioned and its position is stable for a long time.

[0020] Secondly, the embedded steel plate 2 (especially the serrated protruding end) of the sealing gasket 1 and the steel cage 4 are cast together in the precast concrete structure to form a bonding contact surface, thereby achieving a reliable and stable bonding effect between the contact surface of the sealing gasket and the precast concrete structure. "Co-casting" is a strong guarantee for a good bonding effect.

[0021] Furthermore, the sealing gasket is partially cast in the precast concrete structure to form a bonding contact surface, thereby achieving a good bonding effect between the contact surfaces of the sealing gasket and the precast concrete structure.

[0022] During construction, the serrated end of the embedded steel plate 2 is used to weld or bind the sealing gasket 1 to the steel cage 4, so as to fix the position of the sealing gasket 1 during the pouring process of the precast concrete slab.

[0023] In order to ensure the effective connection between the embedded steel plate 2 and the sealing gasket 1 , the end of the sealing gasket 1 facing the precast concrete structure can be made into a tenon shape to increase the connection area between the sealing gasket 1 and the embedded steel plate 2 .

[0024] The preferred specific embodiments of the present invention are described in detail above. It should be understood that a person skilled in the art can make many modifications and changes based on the concept of the present invention without creative work. Therefore, any technical solution that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of the prior art should be within the scope of protection determined by the claims.

Claims

1. An integrated waterproof structure of an anchored sealing pad, characterized in that: An embedded steel plate (2) is arranged in the middle of the sealing gasket (1); the end of the embedded steel plate (2) extending toward the precast concrete structure (3) is in a sawtooth shape; the end of the embedded steel plate (2) extending toward the precast concrete structure (3) is fixedly connected to a steel cage (4) of the precast concrete structure (3); the embedded steel plate (2) and the steel cage (4) are cast together in the precast concrete structure (3) to form a bonding contact surface; the sealing gasket (1) is partially cast in situ in the precast concrete structure (3) to form a bonding contact surface; The serrated end of the embedded steel plate (2) is fixedly connected to the steel bars of the steel cage (4) in the precast concrete structure (3) by welding or binding, and is cast together with the steel cage (4) in the precast concrete structure to form a bonded contact surface.

2. The integrated waterproof structure of the anchored sealing pad according to claim 1 is characterized in that: One end of the sealing gasket (1) facing the prefabricated concrete structure is in a tenon shape.

3. The integrated waterproof structure of the anchored sealing pad according to claim 1 is characterized in that: The cross section of the sealing gasket (1) is porous.

4. The integrated waterproof structure of the anchored sealing pad according to claim 1 is characterized in that: The sealing gasket (1) is made of EPDM rubber.

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