The paper introduces mainly the crowded small-pipes shielding method which was used in the plenty-water loose layer for constructing a sub-tunnel of the diversion canal on the reservior of a large bridge.

The application of pre-casting technology through advanced installed pipe shed in portal section construction of highway tunnel in fault-rupture zone;

The mine tunneling construction numerical simulation supported by pipe shed in subway tunnel

Construction skill of karst tunnel and application of pipe shed

Optimum diameter analysis of pipe roofs applied in underground engineering with shallow overburden;

Analysis of mechanical property of concrete-filled steel tubular pipe roof underpass bridge;

Tunnel construction technology of long pipe roof beneath airport taxiway;