CN215483149U - Waterproof structure of side wall and tunnel in subway main structure - Google Patents
Waterproof structure of side wall and tunnel in subway main structure Download PDFInfo
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- CN215483149U CN215483149U CN202121066989.8U CN202121066989U CN215483149U CN 215483149 U CN215483149 U CN 215483149U CN 202121066989 U CN202121066989 U CN 202121066989U CN 215483149 U CN215483149 U CN 215483149U
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Abstract
The utility model discloses a waterproof structure of a side wall and a tunnel in a main body structure of a subway, which comprises a tunnel pipe body and a side wall body, wherein the side wall body is provided with a butt joint hole, a post-cast concrete ring beam is arranged between the tunnel pipe body and the side wall body, the post-cast concrete ring beam is provided with an inner connection part penetrating through the butt joint hole and a sleeve connection part sleeved outside the end part of the tunnel pipe body, a first sealing component and a first grouting sealing body formed in a grouting mode are arranged between the inner connection part and the wall of the butt joint hole, a second sealing component and a second grouting sealing body formed in a grouting mode are arranged between the sleeve connection part and the tunnel pipe body, and a first grouting pipe used for grouting to form the first grouting sealing body and a second grouting pipe used for grouting to form the second grouting sealing body are embedded in the post-cast concrete ring beam. The utility model has the advantages of good waterproof and sealing performance, high stability, long service life, simple and convenient construction and the like.
Description
Technical Field
The utility model relates to the technical field of underground construction engineering, in particular to a waterproof structure of a side wall and a tunnel in a main structure of a subway.
Background
The construction of the subway station needs to invest a large amount of capital, the service life of the subway station is long, and the subway station has close relation with the daily life of residents, so that the functions of the subway station are paid attention to in all aspects, particularly, the subway station is designed fully for the construction of waterproof facilities, the waterproof performance is good, and the quality and the service life of the subway are guaranteed. Different from the construction engineering on the ground, the subway engineering is carried out underground due to the main structure, and has high requirements on the waterproofness of the station structure in order to meet the requirements on usability and durability.
The parts of the subway with water leakage are generally mainly concentrated on weak parts of the structure, such as construction joints, induction joints, concrete structure cracks, concrete defect parts, temperature shrinkage cracks, embedded bolt holes and the like. At present, the sealing of the joints of the tunnel pipe body and the side wall body is mostly realized by directly sealing by adopting a sealing element, or a post-installed transition ring beam is arranged, sealing rubber strips are respectively arranged between the transition ring beam and the tunnel pipe body and between the transition ring beam and the side wall body, the sealing mode is single, the sealing effect is poor, the transition ring beam adopts a mode of prefabricating firstly and then installing secondly, the assembly is difficult, the good combination with the tunnel pipe body and the side wall body is difficult, the structural stability is poor, and the sealing durability is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the defects in the prior art and provides the waterproof structure of the side wall and the tunnel in the subway main body structure, which has the advantages of good waterproof sealing performance, high stability, long service life and simple and convenient construction.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a waterproof construction of side wall and tunnel among subway major structure, includes tunnel body and side wall body, the side wall body is equipped with the butt joint hole, be equipped with post-cast concrete ring beam between tunnel body and the side wall body, post-cast concrete ring beam has the internal portion of wearing to establish in the butt joint hole and overlaps the portion of cup jointing that establishes outside tunnel body tip, be equipped with first seal assembly and the first slip casting seal that adopts the slip casting mode to form between internal portion and the butt joint hole pore wall, the second slip casting seal that is equipped with second seal assembly and adopts the slip casting mode to form between portion of cup jointing and the tunnel body, it forms to bury underground in the post-cast concrete ring beam is used for the slip casting first slip casting pipe of first slip casting seal and is used for the slip casting to form the second slip casting pipe of second slip casting seal.
As a further improvement of the above technical solution:
two first water-swelling water-stopping rings which are arranged at intervals are arranged between the inner connecting part and the wall of the butt joint hole, and the first grouting sealing body is positioned between the two first water-swelling water-stopping rings; the second that is equipped with two interval arrangements between portion of cup jointing and the tunnel body meets water inflation seal ring, second slip casting seal is located between the second meets water inflation seal ring.
The socket joint part is provided with a toroidal gap between the socket joint part and the end surface of the tunnel pipe body, and the second water-swelling water-stopping ring is positioned in the toroidal gap.
One side of lateral wall body still is equipped with the enclosure wall, the enclosure wall has the through hole that supplies the tunnel body to pass to the lateral wall body extension, the portion of cup jointing extends to in the clearance between tunnel body and the through hole pore wall.
One side of the enclosure wall, which is far away from the side wall body, is provided with an annular sealing body formed in a grouting mode, and the annular sealing body is connected with the tunnel pipe body and the enclosure wall.
The annular sealing body part extends into a gap between the tunnel pipe body and the wall of the through hole.
And a plurality of third grouting pipes which penetrate through the sleeve joint part and extend to the annular sealing body are embedded in the post-cast concrete ring beam, and the third grouting pipes are arranged at intervals around the tunnel pipe body.
And a waterproof surface layer is arranged between the side wall body and the enclosure wall.
And a third water-swelling water stop ring is arranged between the waterproof surface layer and the side wall body.
And a mortar leveling layer is arranged between the waterproof surface layer and the side wall body.
Compared with the prior art, the utility model has the advantages that:
in the waterproof structure of the side wall and the tunnel in the subway main body structure, the first sealing assembly and the first grouting sealing body are arranged between the internal connection part and the wall of the butt joint hole at the same time, and the second sealing assembly and the second grouting sealing body are arranged between the sleeve joint part and the tunnel pipe body at the same time. Meanwhile, the post-cast concrete ring beam can be formed by casting through the building template in situ, the first sealing assembly and the second sealing assembly are respectively pre-installed before the post-cast concrete ring beam is formed, and the first grouting sealing body and the second grouting sealing body are respectively formed by grouting through the first grouting pipe and the second grouting pipe after the post-cast concrete ring beam is formed.
Drawings
Fig. 1 is a schematic view of a partial sectional structure of a waterproof structure of a side wall and a tunnel in a main structure of a subway.
FIG. 2 is a schematic view of a partial cross-sectional enlarged structure of a connection part of a tunnel pipe body, a side wall body and a post-cast concrete ring beam.
Illustration of the drawings:
1. a tunnel pipe body; 2. a side wall body; 21. a butt joint hole; 3. post-pouring a concrete ring beam; 31. an inner connection part; 32. a socket joint part; 4. an enclosure wall; 41. a through hole; 5. an annular seal body; 6. a waterproof facing; 7. leveling mortar; 101. a first grouting pipe; 102. a second grouting pipe; 103. a third grouting pipe; 201. a first water-swelling water stop ring; 202. a second water-swelling water stop ring; 203. and the third water-swelling water stop ring.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific examples.
As shown in fig. 1 and fig. 2, the waterproof structure for a side wall and a tunnel in a subway main body structure of the present embodiment includes a tunnel tube 1 and a side wall 2, the side wall 2 is provided with a butt-joint hole 21, butt joint hole 21 is used for the tip butt joint with tunnel body 1, be equipped with post-cast concrete gird 3 between tunnel body 1 and the side wall body 2, post-cast concrete gird 3 has the internal connection portion 31 of wearing to establish in butt joint hole 21 and overlaps the portion of cup jointing 32 of establishing outside the tunnel body 1 tip, be equipped with first seal assembly and the first slip casting seal that adopts the slip casting mode to form between internal connection portion 31 and the butt joint hole 21 pore wall, be equipped with the second seal assembly and adopt the second slip casting seal that the slip casting mode formed between portion of cup jointing 32 and tunnel body 1, bury underground in post-cast concrete gird 3 and be used for the slip casting to form first slip casting pipe 101 of first slip casting seal and be used for the slip casting to form second slip casting pipe 102 of second slip casting seal.
In the waterproof construction of side wall and tunnel among this subway major structure, be equipped with first seal assembly and first slip casting seal simultaneously between inscription portion 31 and the butt joint hole 21 pore wall, be equipped with second seal assembly and second slip casting seal simultaneously between cup joint portion 32 and the tunnel body 1, because first slip casting seal and second slip casting seal adopt the slip casting mode to form, cooperation tunnel body 1, the combination form of side wall body 2 and post-cast concrete girth 3, its waterproof leakproofness is good, the wholeness and the stability of structure are high, and long service life, and adopt the combination of slip casting seal and seal assembly, the multiple sealing of different sealing forms has been formed, also can further promote waterproof leakproofness. Meanwhile, the post-cast concrete ring beam 3 can be formed by casting through a built template in situ, the first sealing assembly and the second sealing assembly are respectively pre-installed before the post-cast concrete ring beam 3 is formed, and the first grouting sealing body and the second grouting sealing body are respectively formed by grouting through the first grouting pipe 101 and the second grouting pipe 102 after the post-cast concrete ring beam 3 is formed.
In this embodiment, the first sealing assembly includes two first water-swelling water-stopping rings 201 arranged at intervals, and the first grouting sealing body is located between the two first water-swelling water-stopping rings 201; the second seal assembly includes two spaced apart second water-swellable seal rings 202 with a second grout seal located between the second water-swellable seal rings 202. Two water inflation seal ring 201 that meet water of interval arrangement have not only played alone sealed effect, and enclose into the space that supplies the slip casting to form first slip casting seal with inscription portion 31 and butt joint hole 21 pore wall, do benefit to the shaping of first slip casting seal to and improve the closely knit degree after the shaping of first slip casting seal, guarantee sealed effect. The two spaced apart second water-swellable water stop rings 202 function similarly to the first water-swellable water stop ring 201.
In this embodiment, the sleeve joint portion 32 has a toroidal gap with the end surface of the tunnel tube 1, and the two second water-swelling water-stopping rings 202 are located in the toroidal gap. Installation of second water-swellable stop ring 202 and second grout tube 102 is facilitated.
In this embodiment, one side of the side wall body 2 is further provided with a surrounding wall 4, the surrounding wall 4 is provided with a through hole 41 for the tunnel pipe body 1 to pass through to the side wall body 2, and the sleeving part 32 extends to a gap between the tunnel pipe body 1 and the wall of the through hole 41. The stability of the post-cast concrete ring beam 3 can be improved, and the waterproof sealing performance is further improved.
In this embodiment, the side of enclosure wall 4 keeping away from side wall body 2 is equipped with the annular seal 5 that adopts the slip casting mode to form, and annular seal 5 meets with tunnel body 1 and enclosure wall 4. The annular seal body 5 plays a role in sealing a gap between the tunnel pipe body 1 and the enclosure wall 4, prevents water in an external soil body from entering the gap between the tunnel pipe body 1 and the enclosure wall 4, and is sealed at the outside of the gap between the sleeve joint part 32 and the tunnel pipe body 1, so that the waterproof sealing performance can be further improved.
In this embodiment, the annular seal 5 part extends to in the clearance between tunnel body 1 and the through hole 41 pore wall, can improve the stability of being connected between annular seal 5 and tunnel body 1 and the enclosure wall 4, promotes the sealed effect to the clearance between tunnel body 1 and the enclosure wall 4.
In this embodiment, a plurality of third grouting pipes 103 are embedded in the post-cast concrete ring beam 3 and spaced around the tunnel pipe body 1, and each third grouting pipe 103 passes through the sleeve joint part 32 and extends to the annular sealing body 5 located in the gap between the tunnel pipe body 1 and the hole wall of the through hole 41. Also before annular seal 5 slip casting, third slip casting pipe 103 is let in the thick liquid in the clearance between tunnel body 1 and the through hole 41 pore wall, does benefit to annular seal 5's shaping like this to and improve the closely knit degree after the shaping of annular seal 5, guarantee sealed effect.
In this embodiment, a waterproof surface layer 6 is disposed between the side wall 2 and the enclosure wall 4, so as to improve the waterproof sealing performance between the side wall 2 and the post-cast concrete ring beam 3 and between the side wall 2 and the post-cast concrete ring beam 3. Preferably, a third water-swelling water stop ring 203 is arranged between the waterproof surface layer 6 and the side wall body 2, so that the waterproof sealing performance can be further improved.
In this embodiment, be equipped with mortar screed-coat 7 between waterproof surface 6 and the side wall body 2, make waterproof surface 6 and side wall body 2, waterproof surface 6 and mortar screed-coat 7 all form good laminating, do benefit to and promote waterproof sealing nature.
In this embodiment, the annular sealing body 5, the first grouting sealing body, and the second grouting sealing body are all formed by grouting hydrophilic epoxy grout, and during grouting, the grouting pressure is gradually increased to 0.8MPa and kept for at least five minutes, and then grouting is stopped.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. Modifications and variations that may occur to those skilled in the art without departing from the spirit and scope of the utility model are to be considered as within the scope of the utility model.
Claims (10)
1. The utility model provides a side wall and tunnel's waterproof construction among subway major structure, includes tunnel body (1) and side wall body (2), side wall body (2) are equipped with butt joint hole (21), its characterized in that: be equipped with post-cast concrete ring beam (3) between tunnel body (1) and side wall body (2), post-cast concrete ring beam (3) have and wear to establish in butt joint hole (21) internal portion (31) and cover and establish the portion of cup jointing (32) outside tunnel body (1) tip, be equipped with first seal assembly and the first slip casting seal that adopts the slip casting mode to form between internal portion (31) and butt joint hole (21) pore wall, be equipped with second seal assembly and the second slip casting seal that adopts the slip casting mode to form between cup jointing portion (32) and tunnel body (1), it forms to bury underground in post-cast concrete ring beam (3) to be used for the slip casting first slip casting pipe (101) of first slip casting seal and to be used for the slip casting second slip casting pipe (102) of second slip casting seal.
2. The waterproof structure according to claim 1, characterized in that: the first sealing assembly comprises two first water-swelling water-stopping rings (201) which are arranged at intervals, and the first grouting sealing body is positioned between the two first water-swelling water-stopping rings (201); the second sealing assembly comprises two second water-swelling water stop rings (202) which are arranged at intervals, and the second grouting sealing body is located between the second water-swelling water stop rings (202).
3. The waterproof structure according to claim 2, characterized in that: have annular shape clearance between cup joint portion (32) and tunnel body (1) terminal surface, two water inflation seal ring (202) are met and are located in the annular shape clearance.
4. The waterproof structure according to any one of claims 1 to 3, characterized in that: one side of lateral wall body (2) still is equipped with enclosure wall (4), enclosure wall (4) have and supply tunnel body (1) to pass through hole (41) to lateral wall body (2) extension, cup joint portion (32) extend to in the clearance between tunnel body (1) and through hole (41) pore wall.
5. The waterproof structure according to claim 4, characterized in that: one side of the enclosure wall (4) far away from the side wall body (2) is provided with an annular sealing body (5) formed by adopting a grouting mode, and the annular sealing body (5) is connected with the tunnel pipe body (1) and the enclosure wall (4).
6. The waterproof structure according to claim 5, characterized in that: the annular sealing body (5) partially extends into a gap between the tunnel pipe body (1) and the wall of the through hole (41).
7. The waterproof structure according to claim 5, characterized in that: a plurality of third grouting pipes (103) arranged around the tunnel pipe body (1) at intervals are buried in the post-cast concrete ring beam (3), and each third grouting pipe (103) penetrates through the sleeve joint part (32) to extend to the annular sealing body (5) in a gap between the tunnel pipe body (1) and the wall of the through hole (41).
8. The waterproof structure according to claim 4, characterized in that: and a waterproof surface layer (6) is arranged between the side wall body (2) and the enclosure wall (4).
9. The waterproof structure according to claim 8, characterized in that: and a third water-swelling water stop ring (203) is arranged between the waterproof surface layer (6) and the side wall body (2).
10. The waterproof structure according to claim 8, characterized in that: and a mortar leveling layer (7) is arranged between the waterproof surface layer (6) and the side wall body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121066989.8U CN215483149U (en) | 2021-05-18 | 2021-05-18 | Waterproof structure of side wall and tunnel in subway main structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121066989.8U CN215483149U (en) | 2021-05-18 | 2021-05-18 | Waterproof structure of side wall and tunnel in subway main structure |
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| CN215483149U true CN215483149U (en) | 2022-01-11 |
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| CN202121066989.8U Active CN215483149U (en) | 2021-05-18 | 2021-05-18 | Waterproof structure of side wall and tunnel in subway main structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022242153A1 (en) * | 2021-05-18 | 2022-11-24 | 中铁五局集团有限公司 | Waterproof structure for side wall and tunnel in subway main body structure |
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- 2021-05-18 CN CN202121066989.8U patent/CN215483149U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022242153A1 (en) * | 2021-05-18 | 2022-11-24 | 中铁五局集团有限公司 | Waterproof structure for side wall and tunnel in subway main body structure |
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