Active compaction device for elastic sealing pad for shield tunnel segment

Active compaction device for elastic sealing pad for shield tunnel segment

The invention relates to an active compaction device for an elastic sealing pad for a shield tunnel segment. The active compaction device provided by the invention has the benefit that the ability of the elastic sealing pad for the shield tunnel segment to resist tunnel dislocation and opening is gr...

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Hauptverfasser: LUO SHIPEI, GOU MINGZHONG, ZHOU JUN, ZHU HONGHAI, QI SHAOXUAN, YI DAN, WU WEILIN, ZHAO PINXIANG, WANG HUJIA, LIN GANG, LIU XINMING, WEI QINGCEN
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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creator LUO SHIPEI
GOU MINGZHONG
ZHOU JUN
ZHU HONGHAI
QI SHAOXUAN
YI DAN
WU WEILIN
ZHAO PINXIANG
WANG HUJIA
LIN GANG
LIU XINMING
WEI QINGCEN
description The invention relates to an active compaction device for an elastic sealing pad for a shield tunnel segment. The active compaction device provided by the invention has the benefit that the ability of the elastic sealing pad for the shield tunnel segment to resist tunnel dislocation and opening is greatly improved, so that the waterproof requirements of tunnel engineering can still be met under various adverse conditions. The active compaction device comprises the elastic sealing pad mounted in a joint sealing groove; a steel kit protruding into the segment is embedded on the bottom surface of the joint sealing groove and is provided with a sinking groove extending in the length direction of the joint sealing groove and sinking cups arranged in the length direction of the sinking groove at intervals; a compression spring is arranged in each of the sinking cups, and the outer end of the compression spring acts on a convex pressing plate in the sinking groove. A bidirectional deformation component and a uniform
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The active compaction device provided by the invention has the benefit that the ability of the elastic sealing pad for the shield tunnel segment to resist tunnel dislocation and opening is greatly improved, so that the waterproof requirements of tunnel engineering can still be met under various adverse conditions. The active compaction device comprises the elastic sealing pad mounted in a joint sealing groove; a steel kit protruding into the segment is embedded on the bottom surface of the joint sealing groove and is provided with a sinking groove extending in the length direction of the joint sealing groove and sinking cups arranged in the length direction of the sinking groove at intervals; a compression spring is arranged in each of the sinking cups, and the outer end of the compression spring acts on a convex pressing plate in the sinking groove. 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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
title Active compaction device for elastic sealing pad for shield tunnel segment
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