High-water-level and high-water-pressure dewatering well blocking method

High-water-level and high-water-pressure dewatering well blocking method

The invention discloses a high-water-level and high-water-pressure dewatering well blocking method and relates to a dewatering well blocking method. After a self-priming pump is started to reduce thewater level in a well, a closing steel plate and a steel sleeve are subjected to closing welding whil...

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Hauptverfasser: JU HONGDA, ZHANG ZHIBIN, BAO LINGHUI, CHEN ZHAOFU, ZHENG YUMING, HU LONGBO, HUANG YUXING
Format: Patent
Sprache:chi ; eng
Schlagworte:
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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creator JU HONGDA
ZHANG ZHIBIN
BAO LINGHUI
CHEN ZHAOFU
ZHENG YUMING
HU LONGBO
HUANG YUXING
description The invention discloses a high-water-level and high-water-pressure dewatering well blocking method and relates to a dewatering well blocking method. After a self-priming pump is started to reduce thewater level in a well, a closing steel plate and a steel sleeve are subjected to closing welding while water pumping is carried out. The high-water-level and high-water-pressure dewatering well blocking method has the beneficial effects that by means of the method of simultaneously carrying out water pumping and welding of the closing steel plate, the well blocking difficulty caused by high waterpressure and high water level in the construction of the dewatering well is effectively solved, and it is guaranteed that the sealing performance of the closing steel plate is good. By means of a method of repeatedly casting slip for several times underwater, it is guaranteed that the well blocking effect is good; and according to the method, construction is easy, raw materials are conveniently purchased, and the construct
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subjects EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
title High-water-level and high-water-pressure dewatering well blocking method
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