Construction device and construction method for coastal sand foundation pit slope

The technology of a construction device and construction method, which is applied in basic structure engineering, excavation, construction, etc., can solve the problems such as the steel wire mesh and the slope surface are not easy to fix, the steel mesh is warped, and the vegetation is destroyed, so as to achieve a simple construction method and reduce the burden , to avoid the effect of wasting

Pending Publication Date: 2022-07-26
POWER CHINA HENAN ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] During the construction of coal-fired power plants, in the construction of the slope of the deep foundation pit, the construction of the slope hanging net and shotcrete is the focus of construction. In the construction of the slope, there are the following disadvantages: ①. When laying steel wire mesh, The steel mesh and the slope surface are not easy to fix, and the edge of the steel mesh often warps; ②, when spraying concrete on the slope, when spraying a higher slope, the staff needs to stand on the scaffold and hold Spraying concrete with the spray pipe is time-consuming and labor-intensive, and there are unsafe factors for the staff standing on the scaffold; ③. When spraying the concrete foundation on the slope, the sprayed concrete will destroy the area behind the top of the slope. Sprayed concrete, resulting in vegetation damage

Method used

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  • Construction device and construction method for coastal sand foundation pit slope
  • Construction device and construction method for coastal sand foundation pit slope
  • Construction device and construction method for coastal sand foundation pit slope

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0033] Example: see figure 1 , figure 2 and Figure 4 , a construction device for the side slope of a sandy foundation pit near the sea, including a first base 1, a U-shaped frame 3 and a positioning drill 17, the front end of the first base 1 is dug with a concave hole 4, and both sides of the concave hole 4 are provided with The third stud 13 , a third pressing plate 4 is sleeved on the third stud 13 and is fixed by a nut. At least one displacement frame 15 is slidably connected to the third pressing plate 4 , and a front end of the displacement frame 15 is inserted with a Positioning drill 17; the rear end of the first base 1 is provided with a bracket 2, and there are two brackets 2, and a U-shaped frame 3 is rotatably connected between the two brackets 2, and the top of the U-shaped frame 3 is provided with a first pressure plate 7. The front end surface of the U-shaped frame 3 is provided with a limiting strip 5 , and the rear end surface of the U-shaped frame 3 is pr...

Embodiment 2

[0041] Example 2: see image 3 , a construction method of a side slope construction device for a foundation pit in a coastal sandy land, comprising the following steps:

[0042]S1: Place the auxiliary device for the construction of the foundation pit slope at the upper edge of the slope, and set the required displacement frame 15 on the third pressing plate 14 according to the width of the steel mesh, and the steel mesh is laid from top to bottom;

[0043] S2: Lay the steel mesh on the uppermost part of the slope, insert the positioning drill 17 on the inner side of the upper edge of the steel mesh, make the positioning drill 17 pass through the front of the displacement frame 15, and use a hammer to insert the positioning drill into the soil ;

[0044] S3: After the top reinforcement mesh is fixed, the lower reinforcement mesh can be laid. When laying, the lap joint method is adopted, and a hook is set on the top of the lower reinforcement mesh, and the bottom of the upper r...

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Abstract

The invention discloses a coastal sand foundation pit slope construction device and method.The device comprises a first base, a U-shaped frame and a positioning drill rod, two supports are arranged on the first base, the U-shaped frame is rotationally connected between the two supports, a third pressing plate is arranged at the front end of the first base, and a second pressing plate is arranged at the front end of the third pressing plate; at least one third pressing plate is connected to the third pressing plate in a sliding mode, and a positioning drill rod is inserted into the front end of the third pressing plate. The problem that when a net is hung on the side slope, the reinforcing mesh and the side slope are not easy to fix is solved, when the side slope is subjected to guniting, damage to vegetation in the area outside the side slope is avoided, the utilization rate of concrete is increased, meanwhile, the burden of workers is relieved, and the side slope guniting device is convenient to use, easy to operate and easy to popularize.

Description

Technical field: [0001] The invention relates to a side slope hanging net construction, in particular to a construction device and a construction method for the side slope of a foundation pit in a coastal sandy land. Background technique: [0002] In the construction of coal-fired power plants, the construction of the side slope of the deep foundation pit, the construction of the side slope net and shotcrete is the key point of the construction. During the side slope construction, there are the following drawbacks: 1. When the steel wire mesh is laid, the The steel mesh and the surface of the slope are not easy to fix, and the edge of the steel mesh is often warped; 2. When spraying concrete on the slope, when spraying a higher slope, the staff needs to stand on the scaffolding and hold hands It is time-consuming and labor-intensive, and the staff stands on the scaffolding, so there are unsafe factors; 3. When the concrete foundation is sprayed on the slope, the sprayed conc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04E02D17/20E02D15/02
CPCE02D17/04E02D17/20E02D17/202E02D15/02
Inventor 王晓琳王静邓帅王辉辉高磊吕云飞魏强王鹏李中波吕子阳
Owner POWER CHINA HENAN ENG CO LTD
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