Movable connecting device for steel arch

The utility model relates to the technical field of tunnel construction, in particular to a steel arch frame movable connecting device which comprises a base, a plurality of vertical plates are fixedly installed on the top of the base and evenly distributed on the base, telescopic sleeve plates are...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GAO JING, CHEN JIAZHENG, TAN ZHUANG'EN, CUI YING, LIU ZHIPENG, ZHANG HAO, LI ZHONG, ZHANG HAIDONG, LIN ZHENKUI, YANG YINGDONG, ZHOU ZHIDONG, LIU CHUAN, ZHOU ZELIN, YUAN WENJIA, HUANG WEIHONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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