Rapid construction method for secondary lining of small-section tunnel

Rapid construction method for secondary lining of small-section tunnel

A rapid construction method for a secondary lining of a small-section tunnel includes steps of: transporting and store secondary lining steel bars to a designated position in the tunnel with a steel bar transport vehicle and a wheel type dump truck; after the tunnel is cleaned, simultaneously constr...

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Hauptverfasser: Liu, Kaiyang, Cao, Qin, Dai, Xiaosong, Su, Changyi, Yu, Nanshan, Sun, Qing, Jiang, Shangzhi, Cui, Jian, Cui, Lishan, Zhu, Haijun, Ye, Yisheng
Format: Patent
Sprache:eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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creator Liu, Kaiyang
Cao, Qin
Dai, Xiaosong
Su, Changyi
Yu, Nanshan
Sun, Qing
Jiang, Shangzhi
Cui, Jian
Cui, Lishan
Zhu, Haijun
Ye, Yisheng
description A rapid construction method for a secondary lining of a small-section tunnel includes steps of: transporting and store secondary lining steel bars to a designated position in the tunnel with a steel bar transport vehicle and a wheel type dump truck; after the tunnel is cleaned, simultaneously constructing the secondary lining from two ends to a middle of the tunnel; constructing a lower inverted arch with a customized inverted arch formwork and then constructing an upper arch wall with a plurality of portal arch wall formwork trolleys; wherein the portal arch wall formwork trolleys form a set, and are connected by hinges, so as to construct in a curve tunnel. The rapid construction method has a long single construction section, and procedure connection is compact, thereby realizing rapid and efficient construction of the secondary lining.
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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
title Rapid construction method for secondary lining of small-section tunnel
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