尤其是对施工安全问题的强调，使许多学者都关注于围岩收敛变形和隧道净空面检测。
Especially when comes to the safety of the project, many researchers pay their attentions to the country rock deformation and the tunnel contour measuring.
在建兴高速樊屯隧道施工过程中，对地表沉降、拱顶下沉、围岩收敛等进行了监控测量。
The ground surface settlement, crown settlement, convergence of surrounding rock, etc, are monitored and measured during the Fantun tunnel construction of Jianxing Highway.
根据灰色理论编写了围岩收敛位移的预测程序GM -TUNNEL，预测收敛位移测试点的最终收敛位移。
Based on gray system, programming the software, which can be used to forecast the final clearance displacement of tunnel according to some data of monitoring, named GM-TUNNEL.
清江水布垭电站尾水隧洞开挖过程中，围岩稳定性是安全生产的关键技术问题，故在施工过程中进行了围岩收敛变形监测。
In tunnels of Qingjiang Shuibuya power station digging, the stability of the surrounding rock was the key issue for the safety of mining.
研究了地下洞室围岩的时间效应变形特性，提出了分析围岩时间效应收敛变形的一种新方法。
A new method for analyzing the time-dependent convergence deformation of the underground surrounding rock is presented.
复杂多变的围岩条件使基于收敛曲线的累积位移和增量位移参数反演方法的应用变得非常谨慎。
So it should be discussed before application of the mechanical parameters back analysis methods based on convergence curves.
围岩处于破裂状态时，巷道收敛主要是由处于残余强度状态的破裂区围岩的碎胀变形引起的。
When the rocks are fractured, roadway convergence is mainly due to expansion deformation of the surrounding rock within the fractured zone in a residual-strength state.
进路开挖以后支护巷道破坏严重，其围岩变形为无收敛变形，也是国内支护较难的矿山之一。
After the roadway was excavated, the destruction of supporting roadway is very severe. The deformation of roadway is no convergence deformation; and the iron mine is difficult support mine.
目前放空洞围岩变形已趋于收敛，监测物理量呈下降趋势。
At present, deformation of emptying tunnel surrounding rock is convergent, physical monitoring indexes are of the downward trend.
目前放空洞围岩变形已趋于收敛，监测物理量呈下降趋势。
At present, deformation of emptying tunnel surrounding rock is convergent, physical monitoring indexes are of the downward trend.
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