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Treatment method for local water gushing of foundation pit

A treatment method and technology for foundation pits, which are applied in infrastructure engineering, protection devices, buildings, etc., to achieve the effects of simple production, safe and reliable methods, and saving procedures

Inactive Publication Date: 2021-04-27
SHANGHAI ERSHIYE CONSTR CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is still no simple and effective treatment method to solve this kind of problem

Method used

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  • Treatment method for local water gushing of foundation pit
  • Treatment method for local water gushing of foundation pit

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Embodiment Construction

[0025] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0026] Embodiments of the present invention relate to a treatment method for local water gushing in foundation pits, such as Figure 1-2 As shown, it is characterized in that the steps of the specific processing method are as follows:

[0027] Step 1: When encountering local water gushing in the foundation pit, over-excavate the water gushing part, and lay a layer of 150mm thick gravel on the water gushing part of the foundati...

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Abstract

The invention relates to a treatment method for local water gushing of a foundation pit. The specific treatment method comprises the following steps: Step 1, when the local water gushing of the foundation pit occurs, a water gushing part is subjected to overexcavation, and a layer of thick gravel is laid on the water gushing part of the foundation pit; Step 2, a water collecting sleeve and a plurality of water seepage pipes are buried, the water collecting sleeve is vertically arranged, the bottom of the water collecting sleeve is sealed, a plurality of water collecting holes are formed in the periphery of the lower part of the water collecting sleeve, the water seepage pipes are obliquely arranged, the lower end of each water seepage pipe is connected with the water collecting holes of the water collecting sleeve, the foundation pit is backfilled to the bottom elevation of a foundation bottom slab through gravel or pebbles, water flows into the water collecting sleeve through the water seepage pipes, and the water in the water collecting sleeve is pumped out through a water pump; and Step 3, after embedding is completed, foundation slab construction is started, after the whole foundation bottom slab has anti-floating capacity, threaded end covers are used for tightening the water collecting holes from the interior of the water collecting sleeve, concrete with the same strength as the bottom slab is used for filling and blocking the water collecting sleeve to an upper opening by 150 mm, then a water stop blind plate is welded and installed at the upper end, and then concrete is poured to the top.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a treatment method for local water gushing in foundation pits. Background technique [0002] Modern cities are constantly developing, but cities cannot expand indefinitely. It is an inevitable trend of urban development to rationally develop urban underground space and make limited urban land play a greater role. In the south of my country and most of the coastal areas, the groundwater level is relatively high. When using the underground space for construction, water gushing from local foundation pits often occurs, which affects the construction of building rafts. At present, there is still no simple and effective treatment method to solve this kind of problem. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a treatment method for local water gushing in foundation pits. When groundwater rises up, it en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D19/06E02D19/10E02D31/12
CPCE02D19/06E02D19/10E02D31/12
Inventor 马俊伟徐文飞熊剑成拜红高鹏李龙飞
Owner SHANGHAI ERSHIYE CONSTR CO LTD
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