The voids between tunnel liners and water leaking in metro tunnel are simulated and surveyed in this paper, for the increasing attention to the defecting of tunnel in the world.

• 结合隧道病害检测现状及工程背景,本文采用实验比较研究的方法,对两层衬砌间脱空段及空洞位置和形态的雷达法探测进行了系统的研究,对隧道渗漏、积水病害进行了探索性的研究。