Construction method

A construction method for supporting systems of large cross-section railway tunnels in soft rock horizontal layered strata based on intelligent construction equipment is proposed. Various intelligent construction equipment is used, such as intelligent rock drilling machines, intelligent

Based on the actual situation of the Dongshan Tunnel on the Shilou to Fenyang Expressway in Shanxi Province, the article proposes a specialty from the steel structure processing, tunnel advanced geological prediction, excavation, support, waterproofing and drainage, lining, maintenance and civilized

In view of such shortcomings as low efficiency and poor quality etc of traditional manual drilling by pneumatic drilling，this paper studied the applicability of drilling jumbo in the tunnel construction with full section method and step method through theoretical analysis，gave the applicability