Double-shield TBM

Single-Shield TBM

Single-Shield TBM

Single-shield TBM is mainly used in rock condition with fracturing wall rock, low compressive strength and low self-stability. Its thrust principle is familiar with that of shield, the TBM makes tunneling by thrust cylinder on erected pre-cast segments or steel ring beam.


7m Class Single-shield TBM Main Technical Parameter: DZ053

ItemParameter
Type ZTE7565ZTE7565
inclined shaft lengthApprox. 2745m,5°down slope
shield length9300mm
Min. curve radius500m
Min. vertical curve radius600m~1000m 5.2°down slope
designing slope120‰
cutter head excavation diameter7620mm
rotation speed0~3.5rpm
total power3314.57kW
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