The mechanism of cracking tunnel lining without any major progress in long time, cracking reasons were also unclear.
长期以来隧道衬砌开裂的力学机理研究没有大的进步，开裂原因亦不甚清楚。
Deep and long Tunnel engineering Geology macro forecast is still urgent to solve as a major topic research in the engineering world today.
深埋长大隧道的工程地质宏观预测仍然是当今世界各国工程界亟待解决的重大科研课题。
应用推荐