Foundation pit water-stopping anti-seepage curtain

Abstract

The utility model relates to a foundation pit water-stopping anti-seepage curtain which comprises anti-seepage steel plates, a plurality of grooves are formed in the positions, close to the connecting end face, of the back faces of the anti-seepage steel plates, anti-seepage geotechnical cloth is arranged on the back faces of the butt joint ends of every two adjacent anti-seepage steel plates, the two ends of the anti-seepage geotechnical cloth sequentially penetrate through the inner walls of the grooves in a winding and attaching mode, and extrusion blocks are arranged in the grooves and outside the anti-seepage geotechnical cloth. A lap joint plate is arranged at the top of the extrusion block and arranged at the top of the anti-seepage steel plate, connecting holes are correspondingly formed in the lap joint plate and the anti-seepage steel plate, and connecting columns are arranged in the connecting holes. The anti-seepage geotechnical cloth is used for blocking the butt joint seam between the two anti-seepage steel plates, the anti-seepage effect is enhanced, the anti-seepage geotechnical cloth is installed in a bent mode through the extrusion blocks and the grooves, installation is convenient and fast, and the anti-seepage effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit construction, in particular to a foundation pit water-stopping and anti-seepage curtain. Background Art

[0002] With the large-scale development of urban construction, deep foundation pit projects are becoming increasingly numerous, with a trend toward greater size and depth. During deep foundation pit construction, groundwater is a significant factor impacting the smooth excavation of these projects. To ensure the safety and smooth progress of deep foundation pit projects, water-stop curtains are often used to prevent or reduce the influx of groundwater into the pit walls and bottom.

[0003] The existing water-stop curtains use single units that are basically connected through a mortise and tenon structure, which can easily cause leakage at the connection end faces, potentially affecting the water-stop effect. Utility Model Content

[0004] The utility model aims to solve the deficiencies of the prior art and provides a foundation pit water-stopping and anti-seepage curtain.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions:

[0006] A foundation pit water-stopping and anti-seepage curtain comprises an anti-seepage steel plate, a plurality of grooves are provided on the back of the anti-seepage steel plate near the connecting end surface, an anti-seepage geotextile is provided on the back of the butt ends of two adjacent anti-seepage steel plates, the two ends of the anti-seepage geotextile are sequentially wrapped around and fitted through the inner walls of the grooves, an extrusion block is provided on the outside of the anti-seepage geotextile in the groove, a lap plate is provided on the top of the extrusion block, the lap plate is arranged on the top of the anti-seepage steel plate, and corresponding connection holes are provided on the lap plate and the anti-seepage steel plate, and connection columns are provided in the connection holes.

[0007] One end surface of the anti-seepage steel plate is provided with a connecting groove and the other end surface is provided with a connecting protrusion. The connecting protrusion of one anti-seepage steel plate is inserted into the connecting groove of the adjacent anti-seepage steel plate.

[0008] An anchoring assembly is provided on the top of the anti-seepage steel plate.

[0009] The anchoring assembly includes a support plate arranged on the top of the anti-seepage steel plate, a hook plate is provided at the front end of the support plate, the inner side of the hook plate is fitted with the front side of the anti-seepage steel plate, the support plate extends toward the back side of the anti-seepage steel plate and a number of anchor rods are provided on the support plate.

[0010] The beneficial effects of the utility model are as follows: the utility model uses the anti-seepage geotextile to block the butt joint between the two anti-seepage steel plates, thereby enhancing the anti-seepage effect; the anti-seepage geotextile is installed by using an extrusion block and a plurality of groove bends, which is easy to install and has a good anti-seepage effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1It is a structural diagram of the utility model;

[0012] Figure 2 This is an enlarged view of the connection end of two anti-seepage steel plates;

[0013] Figure 3 It is a structural diagram of the extrusion block and the lap plate;

[0014] Figure 4 is a structural diagram of the anchoring assembly;

[0015] In the figure: 1-anti-seepage steel plate; 2-groove; 3-anti-seepage geotextile; 4-extrusion block; 5-lap plate; 6-connection hole; 7-connection column; 8-connection groove; 9-connection protrusion; 10-support plate; 11-hook plate; 12-anchor rod; 13-anchor rotating head;

[0016] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0017] The principles and features of the present invention are described below with reference to the accompanying drawings. The examples provided are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. The following paragraphs describe the present invention in more detail by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are all in a very simplified form and are not to exact proportions, and are only used to facilitate and clearly illustrate the embodiments of the present invention.

[0018] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a central component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended only to describe specific embodiments and are not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0021] like Figures 1 to 4 As shown, a foundation pit water-stopping and anti-seepage curtain includes an anti-seepage steel plate 1, a groove 2, an anti-seepage geotextile 3, an extrusion block 4, a lap plate 5, a connecting hole 6, a connecting column 7, a connecting groove 8, a connecting protrusion 9, a support plate 10, a hook plate 11, an anchor rod 12 and an anchor rotating head 13.

[0022] Several grooves 2 are provided on the back of the anti-seepage steel plate 1 near the connecting end face, and an anti-seepage geotextile 3 is provided on the back of the butt end of two adjacent anti-seepage steel plates 1. The two ends of the anti-seepage geotextile 3 are successively wrapped around and passed through the inner wall of the groove 2. An extrusion block 4 is provided outside the anti-seepage geotextile 3 in the groove 2, and a lap plate 5 is provided on the top of the extrusion block 4. The lap plate 5 is arranged on the top of the anti-seepage steel plate 1, and corresponding connection holes 6 are opened on the lap plate 5 and the anti-seepage steel plate 1, and a connection column 7 is provided in the connection hole 6.

[0023] The cross-sectional shapes of the connecting holes 6 and the connecting columns 7 can be selected as needed and can be circular or square.

[0024] The utility model utilizes the anti-seepage geotextile 3 to block the butt joint between the two anti-seepage steel plates 1, thereby enhancing the anti-seepage effect. The anti-seepage geotextile 3 is installed by bending with the extrusion block 4 and multiple grooves 2, which is easy to install and has a good anti-seepage effect.

[0025] One end surface of the anti-seepage steel plate 1 is provided with a connecting groove 8 and the other end surface is provided with a connecting protrusion 9 . The connecting protrusion 9 of one anti-seepage steel plate 1 is inserted into the connecting groove 8 of the adjacent anti-seepage steel plate 1 .

[0026] An anchoring assembly is provided on the top of the anti-seepage steel plate 1 .

[0027] The anchoring assembly includes a support plate 10 arranged on the top of the anti-seepage steel plate 1, a hook plate 11 is provided downward at the front end of the support plate 10, the inner side of the hook plate 11 is arranged in contact with the front of the anti-seepage steel plate 1, the support plate 10 extends toward the back of the anti-seepage steel plate 1 and a number of anchor rods 12 are provided on the support plate 10.

[0028] The bottom of the anchor rod 12 is a conical pointed structure.

[0029] An anchoring rotating head 13 is provided on the top of the anchoring rod 12 .

[0030] The anti-seepage steel plate 1 and the foundation pit soil can be anchored by the anchoring assembly, so that the stability of the anti-seepage curtain is higher.

[0031] The above is an exemplary description of the present invention in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the present invention, or they are directly applied to other occasions without improvement, they are all within the scope of protection of the present invention.

Claims

1. A foundation pit water-stopping and anti-seepage curtain, characterized in that: The invention comprises an anti-seepage steel plate (1), wherein a plurality of grooves (2) are provided on the back of the anti-seepage steel plate (1) near the connection end surface, an anti-seepage geotextile (3) is provided on the back of the butt ends of two adjacent anti-seepage steel plates (1), and both ends of the anti-seepage geotextile (3) are sequentially arranged around and fitted through the inner wall of the groove (2), an extrusion block (4) is provided inside the groove (2) and outside the anti-seepage geotextile (3), a lap plate (5) is provided on the top of the extrusion block (4), and the lap plate (5) is arranged on the top of the anti-seepage steel plate (1), and connection holes (6) are correspondingly opened on the lap plate (5) and the anti-seepage steel plate (1), and a connection column (7) is provided in the connection hole (6).

2. The foundation pit water-stopping and anti-seepage curtain according to claim 1, characterized in that: One end face of the anti-seepage steel plate (1) is provided with a connecting groove (8) and the other end face is provided with a connecting protrusion (9), and the connecting protrusion (9) of one anti-seepage steel plate (1) is inserted into the connecting groove (8) of the adjacent anti-seepage steel plate (1).

3. The foundation pit water-stopping and anti-seepage curtain according to claim 2, characterized in that: An anchoring assembly is provided on the top of the anti-seepage steel plate (1).

4. The foundation pit water-stopping and anti-seepage curtain according to claim 3, characterized in that: The anchoring assembly comprises a support plate (10) arranged on the top of the anti-seepage steel plate (1); a hook plate (11) is provided downwardly at the front end of the support plate (10); the inner side of the hook plate (11) is arranged in contact with the front surface of the anti-seepage steel plate (1); the support plate (10) is extended toward the back surface of the anti-seepage steel plate (1) and a plurality of anchoring rods (12) are provided on the support plate (10).

5. The foundation pit water-stopping and anti-seepage curtain according to claim 4, characterized in that: The bottom of the anchor rod (12) is a conical pointed structure.

6. The foundation pit water-stopping and anti-seepage curtain according to claim 5, characterized in that: An anchoring rotating head (13) is provided on the top of the anchoring rod (12).

7. The foundation pit water-stopping and anti-seepage curtain according to claim 6, characterized in that: The cross-section of the connecting hole (6) and the connecting column (7) is square.

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