大西客运专线两宜隧道监测

Monitoring of Liangyi tunnel in Datong-Xi'an passenger dedicated railway line

鉴于两宜隧道施工过程中山体地表、隧道仰拱及隧道衬砌出现裂痕的情况,进行了隧道山体地表和隧道峒身监测的方法研究,提出了判断监测体有无变形、变形规律及是否稳定的方法,为后续施工和病害整治提供了参考依据。

Based on cracks on mountainous surface,inverted arches and tunnel lining in Liangyi tunnel construction process,the paper resear-ches the monitoring methods for the tunnel mountainous surface and cavern inspection,points out the methods to judge whether the tested body is deformed or not and their change rules are stable or not,so as to provide some reference for the following construction and disease treatment.