CN-224227861-U - Waterproof structure for deformation joint of underground structure

CN224227861UCN 224227861 UCN224227861 UCN 224227861UCN-224227861-U

Abstract

The utility model discloses a waterproof structure for an deformation joint of an underground structure, which comprises a concrete body poured firstly, a concrete body poured later and a deformation joint formed between the concrete body poured firstly and the concrete body poured later, wherein a first water sealing plate is arranged on one side of the deformation joint by the concrete body poured firstly, a second water sealing plate is arranged on one side of the deformation joint by the concrete body poured later, water sealing cement which is mutually extruded is respectively arranged in the middle parts of the first water sealing plate and the second water sealing plate, deformation bag belts with internal filling media are respectively arranged above and below the water sealing cement by the deformation joint, the deformation bag belts are tightly pressed between the first water sealing plate and the second water sealing plate, and a back surface sealing strip and a water facing surface sealing strip are respectively arranged at the upper opening and the lower opening of the deformation joint and are tightly pressed between the first water sealing plate and the second water sealing plate. The waterproof structure of the deformation joint of the local structure improves the overall construction efficiency and the waterproof effect.

Inventors

ZHANG YUEFENG
ZHANG YUTENG
LIU CHEN
LI JINGXIN
PAN QIANG
Kou Chunrui

Assignees

中国水利水电第八工程局有限公司

Dates

Publication Date: 20260512
Application Date: 20250519

Claims (10)

1. The utility model provides a waterproof structure of deformation joint of underground structure, its characterized in that includes pouring concrete body (1) earlier, post-pouring concrete body (2) and forms deformation joint (3) between pouring concrete body (1) earlier and post-pouring concrete body (2), first sealing plate (4) are equipped with in one side of deformation joint (3) first pouring concrete body (1) earlier, post-pouring concrete body (2) are equipped with second sealing plate (5) in one side of deformation joint (3), the middle part of first sealing plate (4) and second sealing plate (5) is equipped with sealing cement (6) of mutual extrusion respectively, deformation joint (3) are equipped with deformation bag area (7) of interior filling medium respectively in the upper and lower side of sealing cement (6), deformation bag area (7) are crowded tightly between first sealing plate (4) and second sealing plate (5), the upper and lower opening department of deformation joint (3) is equipped with back surface sealing strip (8) and upstream surface of water (9) respectively, sealing strip (8) and upstream surface of water (9) are all tight between first sealing plate (5).
2. The waterproof structure for the deformation joint of the underground structure according to claim 1, wherein the middle part of the first water stop plate (4) is provided with a first outer convex strip (41) protruding into the deformation joint (3), the middle part of the second water stop plate (5) is provided with a second outer convex strip (51) protruding into the deformation joint (3), and the water stop cement (6) is abutted between the first outer convex strip (41) and the second outer convex strip (51).
3. The deformation joint waterproof structure of an underground structure according to claim 2, wherein the water-stopping cement (6) on the first outer raised strips (41) is coated on the first outer raised strips (41), and the water-stopping cement (6) on the second outer raised strips (51) is coated on the second outer raised strips (51).
4. The waterproof structure for the deformation joint of the underground structure according to claim 1, wherein the deformation bag belt (7) is adhered to the first water stop plate (4) and the second water stop plate (5).
5. The waterproof structure for the deformation joint of the underground structure according to claim 1, wherein the upper end and the lower end of the first water stop plate (4) are respectively provided with a first upper suspension plate (42) and a first lower suspension plate (43) which are suspended into the deformation joint (3), the upper end and the lower end of the second water stop plate (5) are respectively provided with a second upper suspension plate (52) and a second lower suspension plate (53) which are suspended into the deformation joint (3), the back surface sealing strip (8) is clamped between the first upper suspension plate (42) and the second upper suspension plate (52), and the upstream surface sealing strip (9) is clamped between the first lower suspension plate (43) and the second lower suspension plate (53).
6. The waterproof structure for the deformation joint of the underground structure according to claim 5, wherein the two sides of the back surface sealing strip (8) are respectively provided with a first clamping groove (81), the first upper hanging plate (42) and the second upper hanging plate (52) are respectively clamped in the corresponding first clamping grooves (81), the two sides of the front surface sealing strip (9) are respectively provided with a second clamping groove (91), and the first lower hanging plate (43) and the second lower hanging plate (53) are respectively clamped in the corresponding second clamping grooves (91).
7. The deformation joint waterproof structure of the underground structure according to any one of claims 1 to 6, wherein the upper part, the middle part and the lower part of the first water stop plate (4) are respectively provided with a first upper water stop wing plate (44), a first middle water stop wing plate (45) and a first lower water stop wing plate (46) which are suspended to the side far away from the deformation joint (3), the first upper water stop wing plate (44) is pressed on the top surface of the pre-cast concrete body (1), the first middle water stop wing plate (45) is buried in the pre-cast concrete body (1), and the first lower water stop wing plate (46) is pressed on the bottom surface of the pre-cast concrete body (1).
8. The waterproof structure for the deformation joint of the underground structure according to claim 7, wherein first water-swelling water-stopping strips (47) are arranged between the first water-stopping plates (4) and the first middle water-stopping wing plates (45) and the first poured concrete body (1).
9. The waterproof structure for the deformation joint of the underground structure according to any one of claims 1 to 6, wherein the upper part, the middle part and the lower part of the second water stop plate (5) are respectively provided with a second upper water stop wing plate (54), a second middle water stop wing plate (55) and a second lower water stop wing plate (56) which are suspended to the side far away from the deformation joint (3), the second upper water stop wing plate (54) is pressed on the top surface of the rear pouring concrete body (2), the second middle water stop wing plate (55) is buried in the rear pouring concrete body (2), and the second lower water stop wing plate (56) is pressed on the bottom surface of the rear pouring concrete body (2).
10. The waterproof structure for the deformation joint of the underground structure according to claim 9, wherein second water-swelling water-stopping strips (57) are arranged between the second water-stopping plates (5) and the second middle water-stopping wing plates (55) and the post-pouring concrete body (2).

Description

Waterproof structure for deformation joint of underground structure Technical Field The utility model relates to the technical field of waterproof structures, in particular to a waterproof structure for an deformation joint of an underground structure. Background In the underground station of the rail traffic engineering or other underground reinforced concrete structural engineering, deformation joints are generally arranged between main structures and auxiliary structures, between structures with larger form differences and between structures with larger bearing foundation differences, the underground structures are influenced by surface water and underground water, the deformation joints are arranged as water leakage high-incidence areas, and the waterproof capability of the deformation joints is weak due to the process limitation of the deformation joints, so that no good solution is available at present. The chinese patent literature of current application number 202110540599.8 discloses a roof movement joint waterproof construction among subway major structure, including locating two roof main parts of movement joint both sides separately, the middle part of movement joint is equipped with steel limit rubber waterstop, and in the both sides limit of steel limit rubber waterstop corresponds respectively extends to two roof main parts, all be equipped with waterproof mortar slip casting layer and sealant layer in the movement joint of steel limit rubber waterstop top and below, waterproof mortar slip casting layer is located between steel limit rubber waterstop and the sealant layer, waterproof mortar slip casting layer and sealant layer all bond with two roof main parts. The waterproof structure for the deformation joint of the top plate in the subway main structure has the defects that on one hand, waterproof materials are required to be filled in the deformation joint after the deformation joint is formed, namely, when the main structure on the other side is poured, a mold is required to be erected in the deformation joint, so that the construction efficiency of the main structure is affected, on the other hand, a water leakage joint is easy to generate between the waterproof materials and the main structure, and the waterproof effect is poor. Disclosure of utility model The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the waterproof structure for the deformation joint of the underground structure, which improves the overall construction efficiency and the waterproof effect. In order to solve the technical problems, the utility model adopts the following technical scheme: The utility model provides an underground structure deformation joint waterproof construction, includes pouring the concrete body earlier, pouring the concrete body later and forming the deformation joint between pouring the concrete body earlier and pouring the concrete body later, pouring the concrete body earlier and being equipped with first sealing plate in one side of deformation joint, pouring the concrete body later in one side of deformation joint and being equipped with the second sealing plate, the middle part of first sealing plate and second sealing plate is equipped with the sealing cement of mutual extrusion respectively, the deformation joint is equipped with the deformation bag area of filling the medium in the upper and lower side of sealing cement respectively, the deformation bag area is crowded tightly between first sealing plate and second sealing plate, the upper and lower opening part of deformation joint is equipped with back water face sealing strip and upstream water face sealing strip respectively, back water face sealing strip and upstream water face sealing strip all crowd tightly between first sealing plate and second sealing plate. As a further improvement of the above technical scheme: The middle part of first stagnant water board is equipped with the outer sand grip of first to the internal convex of movement joint, the middle part of second stagnant water board is equipped with the outer sand grip of second to the internal convex of movement joint, stagnant water clay supports tightly between outer sand grip of first and second. The water-stopping glue mud on the first outer raised strips is coated on the first outer raised strips, and the water-stopping glue mud on the second outer raised strips is coated on the second outer raised strips. The deformation bag belt is adhered to the first water stop plate and the second water stop plate. The upper end and the lower end of the first water stop plate are respectively provided with a first upper suspension plate and a first lower suspension plate which are suspended in the deformation joint, the upper end and the lower end of the second water stop plate are respectively provided with a second upper suspension plate and a second lower suspension plate which are suspended in the deformation j