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结合广州增从高速公路桃园1号隧道工程,介绍了一种单独利用隧道收敛计量测周边位移和拱顶下沉的三角形量测法,重点论述了监测数据的处理分析方法,即通过选取比较最优回归分析模型,最后得到拟合结果。以监测断面ZK55+200为例,运用上述方法,判断围岩稳定性以及二次施工时机。
Combined with the Guangzhou-Taoyuan Expressway Tunnel Project No. 1, a tunnel measurement method for measuring the displacement and vault settlement by triangulation is introduced. The method of processing and analyzing monitoring data is mainly discussed, Excellent regression analysis model, and finally get the fitting results. Taking monitoring section ZK55 + 200 as an example, the above method is used to judge the stability of surrounding rock and the timing of secondary construction.