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Shut-in construction method of pumping shaft in basement base plate

A basement floor and construction method technology, applied in infrastructure engineering, construction, etc., can solve problems such as leakage, achieve the effect of reducing the speed of water rising and reducing potential safety hazards

Active Publication Date: 2015-03-18
CHINA HUAYE GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In view of the above problems, the purpose of the present invention is to provide a construction method for sealing drainage wells in the basement floor, to solve the leakage problem existing in the existing construction methods for sealing wells, to ensure construction quality and construction speed

Method used

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  • Shut-in construction method of pumping shaft in basement base plate
  • Shut-in construction method of pumping shaft in basement base plate
  • Shut-in construction method of pumping shaft in basement base plate

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Embodiment Construction

[0030] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0031] figure 2 It is a schematic diagram of the treatment of drainage wells in floor concrete according to an embodiment of the present invention; image 3 It is a schematic diagram of well sealing according to an embodiment of the present invention. Such as figure 2 and image 3 As shown, the construction method for sealing drainage wells in the basement floor of the present invention comprises the following steps:

[0032] 1) Pre-embed the waterproof casing before the construction of the basement floor, and the waterproof casing is set outside the concrete pipe 10 of the drainage well;

[0033] 2) Three waterstop rings are welded outside the waterproof casing, and the cushion concrete is poured after fixing the waterproof casing;

[0034] 3) Add a waterproof layer on the cushion concrete, and bind the bottom plate reinforcement;

[...

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Abstract

The invention provides a shut-in construction method of a pumping shaft in a basement base plate. The shut-in construction method of the pumping shaft in the basement base plate includes the following steps. Firstly, a water-proof casing pipe is pre-buried before construction of the basement base plate and sleeved on a concrete draining pipe. Secondly, three seal rings are fully welded on the water-proof casing pipe and a concrete cushion layer is poured after the water-proof casing pipe is fixed. Thirdly, a water-proof layer is added on the concrete cushion layer and the base plate undergoes rib binding. Fourthly, a concrete base plate is poured and construction of the base plate is finished. Fifthly, a emergency draining device is prepared and well shut-in are performed. The prepared emergency draining device comprises a rapid shifting pump electric pulley, a tool hood and an overflowing pipe. In terms of well shut-in, three kinds of materials are needed, namely, rubbles, dry cement dust and C40 micro expansion concrete. And then the tool hood is added. Sixthly, the water-proof casing pipe and the tool hood are blocked. The shut-in construction method of the pumping shaft in the basement base plate is capable of successfully shutting in a well, the base plate does not leak, construction cost is low, quality is high and speed is fast.

Description

technical field [0001] The invention relates to the technical field of basement construction, and more specifically, to a construction method for sealing a drainage well in a basement floor. Background technique [0002] The outer walls and bottom plates of the basement are all deeply buried in the ground, and are infiltrated by water in the soil and groundwater. Before the construction of many basement floors with two or three floors underground, precipitation treatment must be done. If the groundwater is of submerged type, it must be backfilled during the construction of the floor cushion after it has been drained. If the groundwater is pressurized water with a large permeability coefficient, the underground drainage well must be kept and pumped normally until the construction of the post-casting belt is completed. The well will be closed during the concrete curing period. If the groundwater level is high, it will be difficult to drain the collected water in the post-pour...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D19/10
Inventor 常杰郑宇
Owner CHINA HUAYE GROUP
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