CN219509631U

CN219509631U - Water stopping and grouting device

Info

Publication number: CN219509631U
Application number: CN202320707407.2U
Authority: CN
Inventors: 甄德鹏; 李晓杰; 蒋瑞泳; 贾雷; 李玲利; 李蕊
Original assignee: Beijing G&m Engineering Construction Co ltd
Current assignee: Beijing G&m Engineering Construction Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-08-11
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses a water stopping and grouting device, which relates to the technical field of geotechnical engineering groundwater control, and comprises the following components: the water-stopping steel plates are used for being fixed on the side wall of the vertical shaft, a plurality of water-stopping steel plates are arranged, the water-stopping steel plates are sequentially arranged, and two adjacent water-stopping steel plates are mutually overlapped; the handle is connected with one side of the water stop steel plate, is cylindrical and is provided with a grouting hole; the steel bar net piece is in a grid shape, the steel bar net piece is vertically paved, and the steel bar net piece is connected with the handle; the grid is erected in the vertical direction and is connected with the reinforcing steel mesh. By arranging the water-stopping steel plate, the water-stopping steel plate is driven into the side wall above the position of residual water in advance, so that the water-stopping and sand-surging prevention effects can be realized; the handle is arranged on the water stop steel plate, so that the movement and the insertion of the side wall are convenient to realize; through reserving the slip casting hole on the steel sheet, the slip casting behind the back is more convenient, is connected as a whole with the handle through setting up the reinforcing bar net piece, and the reinforcing bar net piece is connected with the grid simultaneously, can improve soil body stability.

Description

Water stopping and grouting device

Technical Field

The utility model relates to the technical field of geotechnical engineering groundwater control, in particular to a water stopping and grouting device.

Background

At present, in geotechnical engineering, underground part structures are affected by underground water, and water stop and precipitation are generally adopted to treat the influence of the underground water. By adopting the precipitation method, the influence of residual water exists, so that the treatment of dredging or grouting is needed in the re-excavation process, particularly the water-bearing layer of a fine particle layer, sand and soil loss can be caused in the excavation or dredging process, the stability of the side wall of the foundation pit is influenced, and the difficulty of the next construction is increased.

In order to ensure the normal construction of supporting structures, foundation pit excavation and underground structures and prevent the loss of soil brought by residual water, the treatment of the situation is particularly critical.

However, in the inverted well wall support system, when the water-bearing layer with residual water is excavated, particularly the water-bearing layer is a fine particle stratum, the diversion time of the insertion pipe is slower, the residual water cannot be completely drained, and the water-bearing sand always flows out, so that the grid erection and the soil stabilization are both affected to a certain extent.

Therefore, how to provide a water stopping and grouting device capable of satisfying side wall grouting, strengthening soil stabilization and treating fine particle layer sand burst is a problem to be solved by the person skilled in the art.

Disclosure of Invention

In view of the above, the utility model provides a water stop grouting device which can meet the requirement of side wall grouting, strengthen the stability of side wall soil body and treat fine particle layer sand burst.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a water stop, grouting device, comprising:

the water-stopping steel plates are fixed on the side wall of the vertical shaft, a plurality of water-stopping steel plates are arranged in sequence, and two adjacent water-stopping steel plates are mutually overlapped;

the handle is connected with one side of the water stop steel plate, is cylindrical and is provided with a grouting hole;

the steel bar net piece is in a grid shape, the steel bar net piece is vertically paved, and the steel bar net piece is connected with the handle;

the grid is erected in the vertical direction and is connected with the reinforcing mesh.

Further, the grids are erected in a plurality, the grids are arranged at intervals in the vertical direction, and the grids are connected with the reinforcing mesh.

Further, the water stop steel plate is inserted between the two grids in a downward inclined mode.

Further, two adjacent water stop steel plates are mutually overlapped by 5-10 cm.

Further, the handle is connected with the upper portion of the water stop steel plate.

Compared with the prior art, the utility model discloses a water stopping and grouting device. By arranging the water-stopping steel plate, the water-stopping steel plate is driven into the side wall above the position of residual water in advance, so that the water-stopping and sand-surging prevention effects can be realized; the handle is arranged on the water-stopping steel plate, so that the water-stopping steel plate can be conveniently moved and inserted into the side wall; through leaving the slip casting hole on the stagnant water steel sheet, conveniently carry out back slip casting, be whole through setting up reinforcing bar net piece and handle connection, reinforcing bar net piece is connected with the grid simultaneously, can improve soil body stability.

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 to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a water stop steel plate provided by the utility model;

FIG. 2 is a schematic diagram of the overlapping structure of the water stop steel plate provided by the utility model;

fig. 3 is a schematic structural view of a water stop steel plate and a reinforcing mesh sheet provided by the utility model;

FIG. 4 is a schematic cross-sectional view of the water stop and grouting steel plate according to the present utility model after installation.

Wherein, 1 is a water steel plate; 2 is a handle; 3 is a grouting hole; 4 is a reinforcing steel mesh; and 5 is a grid.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-4, an embodiment of the present utility model discloses a water stopping and grouting device, which includes:

the water-stop steel plates 1 are used for being fixed on the side wall of the vertical shaft, the water-stop steel plates 1 are arranged in a plurality, the water-stop steel plates 1 are sequentially arranged, two adjacent water-stop steel plates 1 are mutually overlapped, and the water-stop steel plates 1 can play roles in stopping water and preventing sand from surging;

the handle 2 is connected with one side of the water-stop steel plate 1, the handle 2 is in a column shape, a grouting hole 3 is formed in the handle 2, and the water-stop steel plate 1 is conveniently moved and inserted into the side wall by arranging the handle 2 on the water-stop steel plate 1; the grouting holes 3 are reserved on the water stop steel plate 1, so that back grouting is convenient to perform;

the reinforcing mesh 4 is in a grid shape, the reinforcing mesh 4 is vertically paved, and the reinforcing mesh 4 is connected with the handle 2;

the grid 5 is erected in the vertical direction, and the grid 5 is connected with the reinforcing mesh 4.

In the embodiment, a plurality of grids 5 are erected, the grids 5 are arranged at intervals in the vertical direction, and the grids 5 are connected with the reinforcing mesh 4; the reinforcing mesh 4 is respectively connected with the handle 2 and the grid 5, so that the stability of soil can be improved.

In the present embodiment, the water stop steel plate 1 is inserted obliquely downward between two grids 5.

In this embodiment, overlap joint 5-10 cm each other between two adjacent stagnant water steel sheet 1, stagnant water steel sheet 1 downward sloping insert and overlap joint setting each other between stagnant water steel sheet 1 can improve the stability after stagnant water steel sheet 2 inserts the lateral wall.

In the present embodiment, the grids 5 are erected at intervals in the vertical direction, the upper grid 5 being the upper grid 5, the lower grid 5 being the lower grid 5, and the water-stop steel plate 1 being interposed between the upper and lower grids 5.

The implementation process comprises the following steps: and (3) erecting a grid 5 at the upper part of the residual water position, digging soil downwards to the position of 0.5m of the residual water position, driving a water stop steel plate 1 obliquely downwards on the side wall, overlapping the water stop steel plate 1 by 5-10 cm horizontally, arranging grouting holes 3 on a handle 2, carrying out back grouting, and reinforcing the strength of a back soil body. Then excavating soil downwards, wherein part of water seeps out, but no sand body is lost, so that the soil behind the back is filled with no holes; the lower part of the grid 5 is erected, the grid 5 connected with the lower part is paved downwards from the reinforcing mesh 4 outside the upper part of the grid 5, and the handle 2 of the water stop steel plate 1 between the two grids 5 is welded with the reinforcing mesh 4 into a whole.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A water stopping and grouting device, which is characterized by comprising:

2. The water stopping and grouting device according to claim 1, wherein a plurality of grids are erected, the grids are arranged at intervals in the vertical direction, and the grids are connected with the reinforcing mesh.

3. A water stop grouting device as claimed in claim 2, wherein the water stop steel plate is inserted obliquely downwards between two of the gratings.

4. A water stop grouting device as claimed in claim 1, wherein two adjacent water stop steel plates overlap each other by 5-10 cm.

5. The water stop and grouting device according to claim 1, wherein the handle is connected to the upper side of the water stop steel plate.