CN218911365U - Connection structure of underground diaphragm wall - Google Patents

Connection structure of underground diaphragm wall Download PDF

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Publication number
CN218911365U
CN218911365U CN202223014708.1U CN202223014708U CN218911365U CN 218911365 U CN218911365 U CN 218911365U CN 202223014708 U CN202223014708 U CN 202223014708U CN 218911365 U CN218911365 U CN 218911365U
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China
Prior art keywords
water stop
outer cover
cover layer
wall
underground diaphragm
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CN202223014708.1U
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Chinese (zh)
Inventor
李增良
吕永军
王昱腾
曹永刚
张正旭
张勇
胡立正
王永锋
张�杰
王波斐
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China Railway 20th Bureau Group South Engineering Co Ltd
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China Railway 20th Bureau Group South Engineering Co Ltd
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Abstract

The utility model relates to a connecting structure of an underground continuous wall, which comprises a connecting member and an outer cover layer, wherein the outer cover layer is connected to two sides of a unit wall; the outer cover layer and the connecting member are respectively connected with a flexible first water stop piece and a flexible second water stop piece, and the first water stop piece and the second water stop piece are mutually abutted. The outer cover layer and the connecting member of the unit wall body of the connecting structure are respectively connected with the flexible first water stop piece and the flexible second water stop piece, the flexible first water stop piece and the flexible second water stop piece are mutually abutted, so that the flexible first water stop piece and the flexible second water stop piece are more fully attached, the sealing performance is better, the gap between the unit wall body and the connecting member is reduced, the connecting member and the outer cover layer form a continuous and sealed wall surface, and groundwater is prevented from penetrating the continuous wall body; meanwhile, as the gap between the unit wall body and the connecting member is smaller, the concrete flowing around phenomenon caused by concrete overflow can be prevented when the unit wall body is poured.

Description

Connection structure of underground diaphragm wall
Technical Field
The utility model relates to the technical field of building construction, in particular to a connecting structure of an underground continuous wall.
Background
The underground diaphragm wall is a building foundation engineering, a long and narrow deep groove is vertically excavated downwards along the peripheral axis of the deep excavation engineering through a grooving device on the ground, and concrete is poured in the deep groove, so that a continuous reinforced concrete wall for water interception, seepage prevention, bearing and water blocking is formed.
In the existing underground continuous wall construction process, the continuous wall cannot be cast and formed at one time, the casting must be carried out in sequence by dividing the groove sections, and the groove sections are connected by adopting joints.
Although the joint can use the brush wall ware to clear up in the work progress, make joint and the tip of wall body laminating better, nevertheless because joint and wall body are rigid structure, the contact surface that both are connected probably has earth or contact surface unevenness, leads to there is the clearance between joint and the wall body, can't form wholly between two underground continuous wall bodies after pouring concrete, after the water level of groundwater risees, groundwater accessible clearance infiltration leads to underground continuous wall joint department infiltration.
Disclosure of Invention
The utility model aims to provide a connecting structure of an underground diaphragm wall, and aims to solve the technical problem that water seepage of a wall body is caused by poor sealing performance of joints of the underground diaphragm wall.
In order to achieve the above object, the present utility model provides a connection structure of an underground diaphragm wall, comprising:
the connecting component is used for connecting two adjacent unit walls of the underground diaphragm wall;
the outer cover layers are connected to two sides of the unit wall body; wherein,,
the outer cover layer is connected with a first water stop, the connecting component is connected with a second water stop, and the first water stop is attached to the second water stop, so that the connecting component and the outer cover layer form a continuous wall surface.
As a further improvement of the utility model: the connecting member comprises a main board and side boards connected to two ends of the main board, wherein accommodating grooves which are semi-surrounded by the main board and the side boards are formed on two sides of the main board, a bending section is arranged at one end of the outer cover layer, and the bending section extends towards the inside of each accommodating groove.
As a further improvement of the utility model: the unit wall body comprises a first unit wall body and a second unit wall body, wherein the first unit wall body and the second unit wall body are respectively connected to two sides of the connecting component, the outer cover layer comprises a first outer cover layer and a second outer cover layer, the first outer cover layer and the second outer cover layer are respectively connected to two sides of the first unit wall body and the second unit wall body, and the first outer cover layer and the second outer cover layer are respectively connected to two ends of the side plate.
As a further improvement of the utility model: the bending section is arranged at one end of the first outer cover layer, a base plate is arranged at one end of the second outer cover layer, one side face of the base plate is connected with the second outer cover layer, and the other side face of the base plate is connected with the side plate.
As a further improvement of the utility model: one side of the side plate is connected with a plugging plate, and the plugging plate extends along the length direction of the side plate.
As a further improvement of the utility model: the length of the plugging plate is greater than that of the side plate, and two ends of the plugging plate respectively protrude out of two ends of the side plate.
As a further improvement of the utility model: the first water stop piece and the second water stop piece are both provided with meshing structures.
As a further improvement of the utility model: the meshing structure comprises concave parts and convex parts which are sequentially and alternately distributed on the outer surfaces of the first water stop piece and the second water stop piece, and the concave parts and the convex parts of the first water stop piece are respectively connected with the convex parts and the concave parts of the second water stop piece so that the first water stop piece is in sealing connection with the second water stop piece.
As a further improvement of the utility model: the first water stop piece and the second water stop piece are made of flexible materials.
As a further improvement of the utility model: the outer cover layer is made of rigid materials.
According to the technical scheme, the outer cover layer and the connecting member of the unit wall body are respectively connected with the flexible first water stop piece and the flexible second water stop piece, the flexible first water stop piece and the flexible second water stop piece are in mutual abutting connection, the flexible first water stop piece and the flexible second water stop piece are more fully attached, and the sealing performance is better, so that gaps between the unit wall body and the connecting member are reduced, the connecting member and the outer cover layer form a continuous and sealed wall surface, and groundwater is prevented from penetrating the continuous wall body; meanwhile, as the gap between the unit wall body and the connecting member is smaller, the concrete flowing around phenomenon caused by concrete overflow can be prevented when the unit wall body is poured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of one embodiment of a connection structure of the present application;
fig. 2 is a schematic structural view of an embodiment of the first water stop member of the present application.
Reference numerals illustrate:
reference numerals Name of the name Reference numerals Name of the name
1 Main board 2 Side plate
3 First horizontal distribution rib 4 First water stop
5 Second water stop 6 Accommodating groove
7 Bending section 8 Second horizontal distributing rib
9 Backing plate 10 Plugging plate
11 A first outer cover layer 12 A second outer cover layer
41 Convex part 42 Concave part
21 First unit wall 22 Second unit wall
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present utility model, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
In the existing underground continuous wall construction process, the continuous wall cannot be cast and formed at one time, the casting must be carried out in sequence by dividing the groove sections, and the groove sections are connected by adopting joints.
Although the joint can use the brush wall ware to clear up in the work progress, makes the tip of joint and wall body laminate better, nevertheless because joint and wall body are rigid structure, the contact surface that both are connected probably has earth or contact surface unevenness, leads to there is the clearance between joint and the wall body, can't form wholly between two underground continuous wall bodies after pouring concrete, after the groundwater level risees, groundwater accessible clearance infiltration leads to underground continuous wall joint department infiltration.
The utility model mainly aims to provide a connecting structure of an underground diaphragm wall, and aims to solve the technical problem of water seepage of a wall body caused by poor sealing performance at a joint of the underground diaphragm wall.
Referring to fig. 1-2, in an embodiment of a connection structure of an underground diaphragm wall of the present application, the connection structure of an underground diaphragm wall includes:
the connecting component is used for connecting two adjacent unit walls of the underground diaphragm wall;
the outer cover layers are connected to two sides of the unit wall body; wherein,,
the outer cover layer and the connecting member are respectively connected with a flexible first water stop 4 and a flexible second water stop 5, and the first water stop 4 and the second water stop 5 are mutually abutted so that the connecting member and the outer cover layer form a continuous and sealed wall surface.
Specifically, in this embodiment, the unit wall is placed between two tank segments before concrete is poured, and both side surfaces of the tank segments (i.e., both sides in the length direction of the excavated deep tank) are provided with first horizontal distribution ribs 3, and the first horizontal distribution ribs 3 are horizontally disposed and distributed at intervals in the height direction of the tank segments. An outer cover layer is connected to one side of the first horizontal distribution bars 3 and is used for preventing concrete in the groove sections from overflowing during concrete pouring. However, in the process of a large number of construction practices, because the gap between the outer cover layer and the connecting member is difficult to reduce, in this embodiment, the first water stop 4 and the second water stop 5 are arranged on one side of the outer cover layer and one side of the connecting member, the first water stop 4 and the second water stop 5 are made of flexible rubber materials, and the first water stop 4 and the second water stop 5 are abutted against each other, so that the joint between the first water stop 4 and the second water stop 5 is more sufficient, and the gap between the connecting member and the outer cover layer is less.
In addition, the outer cover layer of the embodiment adopts rigid materials, such as metal iron; in other embodiments, the water stop member may be made of other elastic materials such as silica gel.
According to the technical scheme, the outer cover layer and the connecting member of the unit wall body are respectively connected with the flexible first water stop piece and the flexible second water stop piece, the flexible first water stop piece and the flexible second water stop piece are in mutual abutting connection, the flexible first water stop piece and the flexible second water stop piece are more fully attached, and the sealing performance is better, so that gaps between the unit wall body and the connecting member are reduced, the connecting member and the outer cover layer form a continuous and sealed wall surface, and groundwater is prevented from penetrating the continuous wall body; meanwhile, as the gap between the unit wall body and the connecting member is smaller, the concrete flowing around phenomenon caused by concrete overflow can be prevented when the unit wall body is poured.
Further, in an embodiment, the connecting member includes a main board 1 and side boards 2 connected to two ends of the main board, two sides of the main board 1 form a containing groove 6 (shown by a dashed frame in fig. 1) surrounded by the main board and the side boards, one end of the outer cover layer is provided with a bending section 7, and the bending section 7 extends towards the inside of the containing groove 6.
Specifically, in the present embodiment, the end portions of the horizontal distribution bars 3 in the wall body are bent, and therefore the cover layer is also formed with bending sections 7. The containing groove 6 formed by the I-shaped connecting members, the bending section 7 of the outer cover layer extends towards the inside of the containing groove, so that concrete overflow can be prevented during concrete pouring, the water stopping effect can be achieved, and the leakage phenomenon of the continuous wall body at the joint is greatly reduced.
Further, in one embodiment, the unit walls include a first unit wall 21 and a second unit wall 22, the first unit wall 21 and the second unit wall 22 are respectively connected to two sides of the connecting member, the outer cover layer includes a first outer cover layer 11 and a second outer cover layer 12, the first outer cover layer 11 and the second outer cover layer 12 are respectively connected to two sides of the first unit wall 21 and the second unit wall 22, and the first outer cover layer 11 and the second outer cover layer 12 are respectively connected to two ends of the side plate 2.
Specifically, in the present embodiment, the two ends of the connecting member are provided with the first unit wall 21 and the second unit wall 22 having the same structure, the second horizontal distribution rib 8 is provided on the inner side of the second unit wall 22, one side of the second horizontal distribution rib 8 is connected with the second cover layer 12, and the first cover layer 11 and the second cover layer 12 are both connected with the side plate 2 of the connecting member, so that the two ends of the connecting member form a continuous and complete wall.
Further, in one embodiment, the bending section 7 is disposed at one end of the first outer cover layer 11, one end of the second outer cover layer is provided with a pad 9, one side surface of the pad 9 is connected with the second outer cover layer 12, and the other side surface of the pad 9 is connected with the side plate 2.
Specifically, in the present embodiment, when the second unit wall 22 is inclined or dislocated from the connection member, the second casing layer 12 of the second unit wall 22 is difficult to directly connect with the side plate 2, so the present embodiment adopts the pad 9 as the connection medium between the second casing layer 12 and the side plate 2, thereby realizing the connection of the two, avoiding the concrete in the second unit wall 22 from overflowing and preventing the groundwater from penetrating. Specifically, one side of the backing plate 9 is welded to the second outer cover layer, and the other side of the backing plate 9 is welded to the side plate 2.
Further, in a certain embodiment, a plugging plate 10 is connected to one side surface of the side plate 2, and the plugging plate 10 is disposed to extend along the length direction of the side plate 2.
Specifically, in the present embodiment, the plugging plate 10 is connected to one side of the side plate 2, so that concrete can be prevented from overflowing from one tank section to the other tank section during concrete pouring; meanwhile, the blocking plate can limit the movement of the connecting member in the deep groove, so that the connecting member is more stable in the vertical state.
Further, in a certain embodiment, the length of the plugging plate 10 is greater than the length of the side plate 2, and two ends of the plugging plate 10 protrude from two ends of the side plate 2, respectively.
Specifically, in the present embodiment, the sealing effect of the sealing plate 10 is improved by making the sealing plate 10 longer than each of the both ends of the connecting member by 10cm to 20cm, and the concrete is further prevented from flowing into the adjacent groove sections from the both ends in the longitudinal direction of the sealing plate 10.
Further, in one embodiment, in order to improve the sealing effect of the first water stop 4 and the second water stop 5, the first water stop 4 and the second water stop 5 are both provided with engagement structures.
Further, in one embodiment, the engagement structure includes concave portions 42 and convex portions 41 alternately distributed on the outer surfaces of the first water stop 4 and the second water stop 5 in sequence, and the concave portions 42 and the convex portions 41 of the first water stop are respectively connected with the convex portions and the concave portions of the second water stop, so that the first water stop 4 and the second water stop 2 are in sealing connection.
Specifically, in this embodiment, as shown in fig. 2, the surface of the first water stop 4 made of rubber is provided with concave portions 42 and convex portions 41 which are alternately distributed in turn, the concave portions 42 and the convex portions 41 can be in a trapezoid, semicircle or rectangle structure, the structure of the second water stop 5 is consistent with that of the first water stop 4, and when the first water stop 4 and the second water stop 5 are connected in a staggered manner, the bonding effect of the two is better, the contact area is larger, and the sealing performance is more excellent.
The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. A connection structure of an underground diaphragm wall, comprising:
the connecting component is used for connecting two adjacent unit walls of the underground diaphragm wall;
the outer cover layers are connected to two sides of the unit wall body; wherein,,
the outer cover layer and the connecting member are respectively connected with a flexible first water stop and a flexible second water stop, and the first water stop is mutually abutted with the second water stop, so that the connecting member and the outer cover layer form a continuous and sealed wall surface.
2. The underground diaphragm wall connecting structure according to claim 1, wherein the connecting member comprises a main board and side boards connected to two ends of the main board, two sides of the main board form a containing groove semi-surrounded by the main board and the side boards, one end of the outer cover layer is provided with a bending section, and the bending section extends towards the inside of the containing groove.
3. The underground diaphragm wall connecting structure according to claim 2, wherein the unit walls comprise a first unit wall and a second unit wall, the first unit wall and the second unit wall are respectively connected to two sides of the connecting member, the outer cover layer comprises a first outer cover layer and a second outer cover layer, the first outer cover layer and the second outer cover layer are respectively connected to two sides of the first unit wall and the second unit wall, and the first outer cover layer and the second outer cover layer are respectively connected to two ends of the side plate.
4. The connecting structure of underground diaphragm wall according to claim 3, wherein the bending section is disposed at one end of the first outer cover layer, one end of the second outer cover layer is provided with a pad, one side surface of the pad is connected with the second outer cover layer, and the other side surface of the pad is connected with the side plate.
5. The underground diaphragm wall connecting structure according to claim 2, wherein a side surface of the side plate is connected with a blocking plate, and the blocking plate is extended along a length direction of the side plate.
6. The connection structure of underground diaphragm wall of claim 5, wherein the length of the blocking plate is greater than the length of the side plate, and both ends of the blocking plate protrude from both ends of the side plate, respectively.
7. The connection structure of underground diaphragm wall according to claim 1, wherein the first water stop and the second water stop are each provided with an engagement structure.
8. The underground diaphragm wall connecting structure according to claim 7, wherein the engagement structure includes concave portions and convex portions alternately arranged in sequence on the outer surfaces of the first water stop and the second water stop, and the concave portions and convex portions of the first water stop are respectively connected with the convex portions and concave portions of the second water stop so as to make the first water stop and the second water stop be in sealing connection.
9. The underground diaphragm wall connecting structure according to claim 1, wherein the first water stop and the second water stop are made of rubber materials.
10. The underground diaphragm wall connecting structure of claim 1, wherein the outer cover layer is made of rigid materials.
CN202223014708.1U 2022-11-11 2022-11-11 Connection structure of underground diaphragm wall Active CN218911365U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223014708.1U CN218911365U (en) 2022-11-11 2022-11-11 Connection structure of underground diaphragm wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223014708.1U CN218911365U (en) 2022-11-11 2022-11-11 Connection structure of underground diaphragm wall

Publications (1)

Publication Number Publication Date
CN218911365U true CN218911365U (en) 2023-04-25

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ID=86010934

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN218911365U (en)

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