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Method for landfill of large-diameter water well

A large-diameter, water well technology, which is applied in filling, construction, infrastructure engineering, etc., can solve the problems of large hydration heat of large-volume concrete, and achieve the effect of solving excessive hydration heat.

Inactive Publication Date: 2017-02-15
THE FOURTH OF CHINA EIGHTH ENG BUREAU
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Problems solved by technology

[0004] The purpose of the present invention is to provide a method for filling large-caliber water wells, which can effectively solve the problems of water well dewatering and excessive heat of hydration of large-volume concrete

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  • Method for landfill of large-diameter water well

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Embodiment Construction

[0029] As mentioned in the background technology section, currently when large-diameter wells are buried, it is troublesome to deal with the problems of abundant water, difficulty in precipitation, and excessive heat of hydration of large-volume concrete.

[0030] Based on the above research, an embodiment of the present invention provides a method for burying a large-caliber water well, the method includes: carrying out dewatering and mud cleaning in the well; setting a preset number of downwater pipes at the bottom of the well, each The height of the downcomer is higher than the position of the wellhead; the bottom concrete is poured at the bottom of the well, and then scaffolding is set up on the bottom concrete; rubble is thrown and filled on the bottom concrete, and then concrete is poured on the rubble , and vibrate; according to the depth of the well, the process of throwing rubble, pouring concrete and vibrating is carried out in a cycle; after the last layer of concret...

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Abstract

The invention discloses a method for landfill of a large-diameter water well. The method includes the steps that water reducing and mud removing treatment is carried out in the well; downcast pipes in preset number are arranged at the bottom of the well, and each downcast pipe is higher than the position of a well opening; pouring of ground floor concrete is carried out at the well bottom, and then a scaffold is erected on the ground floor concrete; upward throw filling of rubble is carried out on the ground floor concrete, then pouring of concrete is carried out on the rubble, and vibration is carried out; according to the depth of the water well, the working procedures of rubble throw filling, concrete pouring and vibration are carried out in a circulated manner; and leveling is carried out after the final layer of concrete is poured. By means of the downcast pipe, water in the water well can be reduced at any time; in addition, the concrete is poured in a layered manner, and therefore the problem of too large hydration heat of large-size concrete can be solved; and the scaffold is erected, and therefore the problem that the concrete in the large-diameter water well cannot be vibrated can be solved.

Description

technical field [0001] The invention relates to the field of building engineering construction, in particular to a method for filling large-caliber water wells. Background technique [0002] During construction, it is often encountered that there are water wells or ditches in the original landform. Wells with small diameter and small water volume can be replaced with plain concrete or rubble concrete after precipitation. However, when encountering wells with large diameters and abundant water, the landfill method of large-diameter wells is more troublesome because of problems such as precipitation, excessive heat of hydration of large-volume concrete, and sludge cleaning. [0003] Therefore how to provide a kind of method of burying large diameter water well is the technical problem that those skilled in the art urgently need to solve. Contents of the invention [0004] The purpose of the present invention is to provide a method for filling large-caliber water wells, whic...

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Application Information

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IPC IPC(8): E02D19/10E02D15/04E02D17/18
CPCE02D19/10E02D15/04E02D17/18
Inventor 刘志猛李晓明张强邓金奎赵龙龙
Owner THE FOURTH OF CHINA EIGHTH ENG BUREAU
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