Construction technology of undersea tunnel and the feasibility of Qiongzhou strait tunnel

Abstract：Many undersea tunels have been constructed in the world today, such as the famous Qinghan Tunnel in Japan, English Channel Tunnel etc.And many strait tunnels have been constructed and planned.Much experience is accumulated in these tunnels construction.Construction technology of undersea tunnel has been discussed, and combining engineering geologic case for Qiongzhou strait with constuction technology for overseas tunnel, feasibility of Qiongzhou strait tunnel has been studied.

Keyword：undersea tunnels;construction technology;Qiongzhou strait tunnel;