Underground continuous cross wall connecting structure

Abstract

The utility model provides an underground continuous cross wall connecting structure, which relates to the technical field of underground cross wall connection, and comprises underground wall bodies, a water stop connecting piece is arranged between adjacent underground wall bodies, the water stop connecting piece comprises a water stop positioning plate, and two opposite steel bar bundle fixing plates are fixedly arranged on one side of the surface of the water stop positioning plate. A plurality of first reinforcing steel bar bundles and stirrups connected with the first reinforcing steel bar bundles are arranged at the position, close to the water stop connecting piece, of the underground wall body, second reinforcing steel bar bundles are arranged on a reinforcing steel bar bundle fixing plate of the water stop connecting piece, and the second reinforcing steel bar bundles are connected with the first reinforcing steel bar bundles through the stirrups. The device has the advantages of being reasonable in design, simple in structure, safe, reliable, convenient to transport and convenient and fast to construct.

Description

Technical Field

[0001] The utility model relates to the technical field of underground transverse wall connection, in particular to an underground continuous transverse wall connection structure. Background Art

[0002] my country's urban construction is developing rapidly. Large foundation pit projects involving commercial residential buildings, urban rail transit stations, etc. have a wide demand for underground continuous walls as a type of enclosure structure. However, with the increasing shortage of urban space, the increasing urgency of environmental protection requirements, and the increasing stringency of safety and construction period requirements, the traditional construction method of underground continuous walls can no longer fully meet the needs of urban construction. In some areas where construction sites are cramped, urban noise and mud discharge are strictly controlled, and construction time is limited, a new type of underground continuous wall construction method is urgently needed to meet engineering requirements. The existing prefabricated underground continuous walls have many problems such as unreliable connections and water seepage.

[0003] How to solve the above technical problems is the subject faced by the present utility model. Utility Model Content

[0004] In order to solve the deficiencies of the prior art, the utility model provides an underground continuous horizontal wall connection structure and a construction method thereof which have reasonable design, simple structure, safety and reliability, convenient transportation and convenient construction.

[0005] The technical solution adopted by the utility model to solve the technical problem is as follows: the utility model provides an underground continuous horizontal wall connection structure, including underground walls, and water-stop connectors are arranged between adjacent underground walls;

[0006] The water-stop connector comprises a water-stop positioning plate, and two opposite steel bar bundle fixing plates are fixedly arranged on one side of the water-stop positioning plate;

[0007] The underground wall is provided with a plurality of first steel bar bundles and stirrups connecting the first steel bar bundles near the water stop connector, a second steel bar bundle is provided on the steel bar bundle fixing plate of the water stop connector, the second steel bar bundle is connected to the first steel bar bundle through the stirrups, and the first steel bar bundle 1 in the underground wall and the second steel bar bundle on the water stop connector side are fixedly connected by the stirrups to form a common force;

[0008] Underground wall positioning plates are respectively arranged at 1 / 4 and 3 / 4 of the surface of the water stop positioning plate to determine the position of the underground wall. The underground wall positioning plates are respectively attached to the two edges of the underground wall and are perpendicular to the water stop positioning plates.

[0009] There are two groups of underground wall positioning plates, which are located on both sides of the steel bar bundle fixing plates. Each group of underground wall positioning plates includes two upper and lower plates located in the height direction of the underground wall, and the height of the underground wall positioning plates does not exceed 1 / 3 of the height of the underground wall.

[0010] The reinforcement bundle fixing plate includes two parallel and symmetrical plate bodies, which are located in the middle of the water stop positioning plate surface and are vertically arranged with respect to the water stop positioning plate.

[0011] A support anti-deformation plate is fixedly connected between the reinforcement bundle fixing plates, and the support anti-deformation plate is vertically connected between the reinforcement bundle fixing plate bodies. The support anti-deformation plate provides support force and tension force for the two reinforcement bundle fixing plates during the later pouring of concrete, so as to prevent the deformation of the water stop connection plate caused by the pouring of concrete;

[0012] The width of the water-stopping positioning plate is greater than the gap between two adjacent underground walls, providing positioning and water-stopping functions to avoid poor waterproofing at the underground wall connection, and can also serve as a permanent template for later concrete pouring;

[0013] The stirrups are staggered and welded to the reinforcement bar fixing plate on one side close to the reinforcement bar fixing plate;

[0014] The second steel bar bundle corresponds to the position of the first steel bar bundle arranged in the underground wall.

[0015] Two water-stop connectors are symmetrically arranged between two adjacent underground walls;

[0016] The two second steel bar bundles on the two water-stop connectors away from the water-stop positioning plate are fixed and tied by external stirrups.

[0017] There is one water-stop connector between two adjacent underground walls, and two water-stop positioning plates of the water-stop connector are symmetrically arranged, respectively located on the two outer wall surfaces of the underground wall;

[0018] The two water-stop positioning plates of the water-stop connector are fixedly connected via the steel bar bundle fixing plate with its tapered teeth, and the underground wall positioning plates are both provided on the two water-stop positioning plates.

[0019] The practical use of the utility model includes the following steps:

[0020] Preferably:

[0021] A. The underground wall is prefabricated. First, the underground wall is placed and then the water-stop connector is placed. The water-stop connector is prefabricated as a whole. The water-stop positioning plate and the underground wall positioning plate are set close to the underground wall.

[0022] B. placing the second steel tendon at a position corresponding to the first steel tendon and close to the steel tendon fixing plate;

[0023] C. The first steel bar bundle in the underground wall is fixedly connected with the second steel bar bundle on the side of the water stop connector by using the stirrups reserved in the underground wall;

[0024] D. Tie and fix the four second reinforcement tendons by placing external stirrups;

[0025] E. Pour concrete at the joints of two adjacent underground walls to connect and fix them.

[0026] Preferably:

[0027] A. The underground wall is prefabricated. First, the underground wall is placed and then the water-stop connector is placed. The water-stop connector is prefabricated as a whole. The water-stop positioning plate and the underground wall positioning plate are set close to the underground wall.

[0028] B. placing the second steel tendon at a position corresponding to the first steel tendon and close to the steel tendon fixing plate;

[0029] C. Tie and weld the first steel bar bundle in the underground wall and the second steel bar bundle on the water-stop connector side through the stirrups reserved in the underground wall;

[0030] D. Pour concrete at the joints of the two underground walls to secure the connection.

[0031] The beneficial effects of the utility model are: reliable connection, convenient construction, convenient transportation, more conducive to shortening the construction period, and better waterproof effect at the joints;

[0032] The connection method of the utility model adopts dry construction, which simplifies the construction; the connection is reliable, the integrity is good, the resource and energy consumption is reduced, the waterproof effect at the joint is good, and universalization and standardization can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a top view of the first embodiment of the utility model.

[0034] Figure 2 This is the front view of the first embodiment of the utility model.

[0035] Figure 3 It is a top view of a water-stop connector according to an embodiment of the present utility model.

[0036] Figure 4 This is a front view of a water-stop connector according to an embodiment of the present utility model.

[0037] Figure 5 It is a top view of the second embodiment of the present utility model.

[0038] Figure 6 This is the front view of the second embodiment of the present utility model.

[0039] Figure 7 It is a top view of the water-stop connector of the second embodiment of the utility model.

[0040] Among them, the figures are marked as: 1. underground wall; 101. first steel bar bundle; 102. stirrups; 2. water-stop connector; 201. steel bar bundle fixing plate; 202. support anti-deformation plate; 203. water-stop positioning plate; 204. underground wall positioning plate; 3. second steel bar bundle; 4. external stirrups. DETAILED DESCRIPTION

[0041] The technical features of this solution can be clearly explained. The solution is described below through a specific implementation method.

[0042] Embodiment 1:

[0043] See also Figures 1 to 4 As shown, this embodiment is an underground continuous transverse wall connection structure, including an underground wall 1, a water-stop connector 2 is arranged between adjacent underground walls 1, the water-stop connector 2 includes a water-stop positioning plate 203, and two opposite steel bar bundle fixing plates 201 are fixedly arranged on one side of the water-stop positioning plate 203;

[0044] A plurality of first steel bar bundles 101 and stirrups 102 connecting the first steel bar bundles 101 are provided near the water stop connector 2 of the underground wall 1. A second steel bar bundle 3 is provided on the steel bar bundle fixing plate 201 of the water stop connector 2. The second steel bar bundle 3 is connected to the first steel bar bundle 101 through the stirrups 102. Underground wall positioning plates 204 are respectively provided at 1 / 4 and 3 / 4 of the surface of the water stop positioning plate 203. The underground wall positioning plates 204 are respectively attached to the edges of the two underground walls 1 and are perpendicular to the water stop positioning plates 203.

[0045] There are two groups of underground wall positioning plates 204, which are located on both sides of the steel bar fixing plate 201. Each group of underground wall positioning plates 204 includes two upper and lower ones located in the height direction of the underground wall 1, and the height of the underground wall positioning plates 204 does not exceed 1 / 3 of the height of the underground wall 1. The steel bar fixing plate 201 includes two parallel and symmetrical plates, which are located in the middle of the board surface of the water-stop positioning plate 203 and are vertically arranged with the water-stop positioning plate 203.

[0046] A support anti-deformation plate 202 is fixedly connected between the steel bar bundle fixing plates 201, and the support anti-deformation plate 202 is vertically connected between the plate bodies of the steel bar bundle fixing plates 201. The plate body width of the water stop positioning plate 203 is greater than the gap spacing between the two adjacent underground walls 1. The stirrups 102 are staggered and welded to the steel bar bundle fixing plates 201 on one side close to the steel bar bundle fixing plates 201, and the second steel bar bundle 3 corresponds to the position of the first steel bar bundle 101 set in the underground wall 1.

[0047] Two water-stop connectors 2 are symmetrically arranged between two adjacent underground walls 1 , and two second steel bar bundles 3 on the side of the two water-stop connectors 2 away from the water-stop positioning plate 203 are fixed and tied by external stirrups 4 .

[0048] The construction method includes the following steps:

[0049] A. The underground wall 1 is prefabricated. First, the underground wall 1 is placed and then the water stop connector 2 is placed. The water stop connector 2 is prefabricated as a whole. The water stop positioning plate 203 and the underground wall positioning plate 204 are set close to the underground wall 1;

[0050] B. Place the second steel bar tendon 3 at a position corresponding to the first steel bar tendon 101 and close to the steel bar tendon fixing plate 201;

[0051] C. The first steel bar bundle 101 in the underground wall 1 is fixedly connected to the second steel bar bundle 3 on the side of the water stop connector 2 through the stirrups 102 reserved in the underground wall 1;

[0052] D. Binding and fixing the four second reinforcement tendons 3 by placing external stirrups 4;

[0053] E. Pour concrete at the connection between two adjacent underground walls 1 to connect and fix them.

[0054] Embodiment 2:

[0055] See also Figures 5 to 7 As shown, this embodiment is an underground continuous transverse wall connection structure, including an underground wall 1, a water-stop connector 2 is arranged between adjacent underground walls 1, the water-stop connector 2 includes a water-stop positioning plate 203, and two opposite steel bar bundle fixing plates 201 are fixedly arranged on one side of the water-stop positioning plate 203;

[0056] A plurality of first steel bar bundles 101 and stirrups 102 connecting the first steel bar bundles 101 are provided near the water stop connector 2 of the underground wall 1. A second steel bar bundle 3 is provided on the steel bar bundle fixing plate 201 of the water stop connector 2. The second steel bar bundle 3 is connected to the first steel bar bundle 101 through the stirrups 102. Underground wall positioning plates 204 are respectively provided at 1 / 4 and 3 / 4 of the surface of the water stop positioning plate 203. The underground wall positioning plates 204 are respectively attached to the edges of the two underground walls 1 and are perpendicular to the water stop positioning plates 203.

[0057] There are two groups of underground wall positioning plates 204, which are located on both sides of the steel bar fixing plate 201. Each group of underground wall positioning plates 204 includes two upper and lower ones located in the height direction of the underground wall 1, and the height of the underground wall positioning plates 204 does not exceed 1 / 3 of the height of the underground wall 1. The steel bar fixing plate 201 includes two parallel and symmetrical plates, which are located in the middle of the board surface of the water-stop positioning plate 203 and are vertically arranged with the water-stop positioning plate 203.

[0058] A support anti-deformation plate 202 is fixedly connected between the steel bar bundle fixing plates 201, and the support anti-deformation plate 202 is vertically connected between the plate bodies of the steel bar bundle fixing plates 201. The plate body width of the water stop positioning plate 203 is greater than the gap spacing between the two adjacent underground walls 1. The stirrups 102 are staggered and welded to the steel bar bundle fixing plates 201 on one side close to the steel bar bundle fixing plates 201, and the second steel bar bundle 3 corresponds to the position of the first steel bar bundle 101 set in the underground wall 1.

[0059] There is a waterstop connector 2 between two adjacent underground walls 1, and two waterstop positioning plates 203 of the waterstop connector 2 are symmetrically arranged, respectively located on the two outer wall surfaces of the underground wall 1, and the two waterstop positioning plates 203 of the waterstop connector 2 are fixedly connected by a steel bar bundle fixing plate 201 with its conical teeth, and underground wall positioning plates 204 are arranged on the two waterstop positioning plates 203.

[0060] The construction method includes the following steps:

[0061] A. The underground wall 1 is prefabricated. First, the underground wall 1 is placed and then the water stop connector 2 is placed. The water stop connector 2 is prefabricated as a whole. The water stop positioning plate 203 and the underground wall positioning plate 204 are set close to the underground wall 1;

[0062] B. Place the second steel bar tendon 3 at a position corresponding to the first steel bar tendon 101 and close to the steel bar tendon fixing plate 201;

[0063] C. The first steel bar bundle 101 in the underground wall 1 and the second steel bar bundle 3 on the side of the water stop connector 2 are tied and welded together through the stirrups 102 reserved in the underground wall 1;

[0064] D. Pour concrete at the connection between the two underground walls 1 to connect and fix them.

[0065] Technical features not described in the present invention can be achieved through or by adopting existing technologies, and will not be elaborated here. Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.

Claims

1. An underground continuous horizontal wall connection structure, characterized in that: It comprises an underground wall (1), wherein water-stop connectors (2) are arranged between adjacent underground walls (1); The water-stop connector (2) comprises a water-stop positioning plate (203), and two opposing steel bar bundle fixing plates (201) are fixedly arranged on one side of the plate surface of the water-stop positioning plate (203); The underground wall (1) is provided with a plurality of first steel bar bundles (101) and stirrups (102) connecting the first steel bar bundles (101) near the water stop connector (2); a second steel bar bundle (3) is provided on the steel bar bundle fixing plate (201) of the water stop connector (2); the second steel bar bundle (3) is connected to the first steel bar bundle (101) via the stirrups (102); Underground wall positioning plates (204) are respectively arranged at 1 / 4 and 3 / 4 of the plate surface of the water stop positioning plate (203); The stirrup (102) is staggeredly welded to the reinforcement bundle fixing plate (201) on one side close to the reinforcement bundle fixing plate (201).

2. The underground continuous horizontal wall connection structure according to claim 1, characterized in that: The underground wall positioning plates (204) are respectively attached to the edges of the two underground walls (1) and are perpendicular to the water-stop positioning plates (203); The underground wall positioning plates (204) are provided in two groups, which are respectively located on both sides of the steel bar bundle fixing plate (201), and each group of the underground wall positioning plates (204) includes two upper and lower ones located in the height direction of the underground wall body (1), and the height of the underground wall positioning plates (204) does not exceed 1 / 3 of the height of the underground wall body (1).

3. The underground continuous horizontal wall connection structure according to claim 2, characterized in that: The reinforcement bundle fixing plate (201) comprises two parallel and symmetrical plate bodies, which are located in the middle of the plate surface of the water stop positioning plate (203) and are arranged perpendicular to the water stop positioning plate (203).

4. The underground continuous horizontal wall connection structure according to claim 3, characterized in that: A support anti-deformation plate (202) is fixedly connected between the reinforcement bundle fixing plates (201), and the support anti-deformation plate (202) is vertically connected between the plate bodies of the reinforcement bundle fixing plates (201).

5. The underground continuous horizontal wall connection structure according to claim 4, characterized in that: The width of the water-stopping positioning plate (203) is greater than the gap distance between two adjacent underground walls (1).

6. The underground continuous horizontal wall connection structure according to claim 1, characterized in that: The second steel bar bundle (3) corresponds to the position of the first steel bar bundle (101) arranged in the underground wall (1).

7. The underground continuous horizontal wall connection structure according to claim 6, characterized in that: Two water-stop connectors (2) are symmetrically arranged between two adjacent underground walls (1); The two second steel bar bundles (3) on the side of the two water-stop connectors (2) away from the water-stop positioning plate (203) are fixedly tied by external stirrups (4).

8. The underground continuous horizontal wall connection structure according to claim 6, characterized in that: One of the water-stop connectors (2) is provided between two adjacent underground walls (1), and two of the water-stop positioning plates (203) of the water-stop connector (2) are symmetrically provided, respectively located on the two outer wall surfaces of the underground wall (1); The two water-stop positioning plates (203) of the water-stop connector (2) are fixedly connected via the steel bar bundle fixing plate (201) with its bevel teeth, and the underground wall positioning plates (204) are both provided on the two water-stop positioning plates (203).

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