Method for improving concrete pouring efficiency and compactness of tunnel secondary lining arch wall

The invention discloses a method for improving concrete pouring efficiency and compactness of a tunnel secondary lining arch wall. The method comprises the following steps that during arch wall construction, a steel form trolley is used as a form, a plurality of pouring ports and grouting holes with...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN WEI, PENG WENTAO, YU NANSHAN, GU HAIHUA, XU JIANBO, LU XIANGXIANG, DAI XIAOSONG, JIA RUIHUA, YE YISHENG, LIU KANGYU, LIU KAIYANG, LU WENBO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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