Pipe gallery escape exit hydraulic well lid mounting method capable of improving safety

The invention relates to a pipe gallery escape exit hydraulic well lid mounting method capable of improving safety. The pipe gallery escape exit hydraulic well lid mounting method comprises the following specific operation steps that firstly, an escape exit wall is poured; secondly, the escape ladde...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YANG JUNWEI, ZHOU FENG, XIAO MINYUE, DENG HANHAN, ZHANG QIANG, CHEN FUXIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING LADDERS SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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