基于现场监控量测的隧道围岩分级方法

Classification Method of Tunnel Surrounding Rock Based on Field Supervision and Measurement

通过结合地质测量、位移反分析,对现行监控量测项目进行拓展,以寻求监控量测信息与围岩分级指标之间的定量关系,建立在施工现场快速、定量地确定(修正)围岩分级的方法。该方法基于监控量测及非确定性反分析技术,在施工现场能快速判断围岩级别,用以及时修改设计,指导现场施工。该方法有效利用了量测数据,使其更大限度地为隧道工程服务。

Combined with the geology observation record and back analysis, the items of the current supervision and measurement are expanded in order to look for the quantitative relation between supervision and measurement and indexes of the surrounding rock classification, and a method is presented that makes sure （revises） the surrounding rock classification quickly and quantitatively on-site. The method is on the basis of supervision, measurement and back analysis, and it can fast judge the surrounding rock classification, then modify the design in time and guide the field construction. The method makes use of the measuring data well, and services the tunnel engineering better.