Segment deformation control and flood-proof device and operation method for tunnel opening construction

Segment deformation control and flood-proof device and operation method for tunnel opening construction

This is a duck piece distortion control and anti-submerge device to prevent duck piece distortion during construction and collapse upon water/dust burst and submerge of main channel. The structure includes prestress bracket system, door frame, sliding cover and guiding device. The door frame is weld...

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Hauptverfasser: HU XIANGDONG, YAN ZHANGZHENG, XIAO ZHONGHUA
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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creator HU XIANGDONG
YAN ZHANGZHENG
XIAO ZHONGHUA
description This is a duck piece distortion control and anti-submerge device to prevent duck piece distortion during construction and collapse upon water/dust burst and submerge of main channel. The structure includes prestress bracket system, door frame, sliding cover and guiding device. The door frame is welded to the steel duck piece at hatch. The sliding cover is fastened on a curve steel rail of a circle bracket to the two sides of the hatch. The guiding device is composed by calbe and –·‘¨‰½. The sliding cover is capable of sliding along the rail to close the door by human control the cable. Loading on the slide cover is supported by the prestress bracket to avoid distortion to the duck piece and collapse.
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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
title Segment deformation control and flood-proof device and operation method for tunnel opening construction
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