Tunnel primary support structure

The utility model discloses a tunnel primary support structure, which is paved on an excavated tunnel contour surface, and comprises a cement blanket paved on the tunnel contour surface; steel fibers are added into the cement blanket; the reinforcing mesh is laid on the cement blanket; and the steel...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI XUESONG, ZHANG ZIPING, FENG DEDING, YANG RUI, LUO HUIWU, JIANG HONG, YUAN QING, REN MENG, YANG ZHAO, HUANG WEI, LI YONGZHI, TANG ZUYANG, CHU CUN, YANG BENLIANG, XIONG QIHUAN, TANG XIANGLONG, WU ZHONGSHI, LI AOYING, LIANG XIAOTENG, WANG WEI, CHEN SHIHAO, LI DEJIE, XIAO JING, CHEN PEISHUAI, YANG LIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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