Construction site:33#~35#, 33#~31#
Project Overview: The main strata crossed by the section are strongly weathered sandstone, gravelly sandstone, strongly weathered muddy siltstone, medium weathered medium coarse sandstone, medium weathered sandy mudstone, mudstone, medium weathered muddy siltstone, slightly weathered medium coarse sandstone, gravelly sandstone, slightly weathered muddy siltstone.
Equipment type: 2 sets of CSTE6280H earth pressure balance liquid-driven shield machine with excavation diameter of 6280mm, and main drive power of 945kW.