Taking the converging deformation measurement of the power tunnel of the Changma reservoir as an example, analysis and discussion are conducted on converging deformation of weak rock.

以昌马水库发电洞内收敛变形量测为例，对软弱岩石的收敛变形进行分析探讨。

youdao

The time to produce damage deformation in surrounding rock and possible loosening area are obtained by analyzing in situ measurement of displacement in soft weak coal layer.

本文通过对软弱煤层巷道进行位移实测及数据分析，得到了西部某矿软弱煤层巷道围岩变形达破坏所需的时间和可能的变形松动区域。

youdao

Therefore, the measurement and mapping of deformation to surrounding rock becomes an important link and to be reckoned in underground engineering.

因此，围岩变形量测成为地下工程中不可忽视的重要一环。

youdao