Support for disposing disengagement of arch feet of tunnel arch center

The utility model discloses a support for handling disengagement of an arch foot of a tunnel arch frame. The support comprises a base, a top support and a height-adjustable connecting piece arranged between the base and the top support. The top support is arranged at the top of the connecting piece...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SU YUE, LI XIHEI, SONG WEI, ZHOU LIANG, SUN SHAOZHENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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