The core is that 3d tunnel model is constructed by loading section on basis of 2d tunnel line, which are according to data of tunnel surveying.
该方法的核心是以巷道测量点数据为基础，通过在二维巷道线上加载断面的方法来自动构建三维巷道模型。
The imitational parameters are different for loading section and unloading section of the fine-sandstone deformation curve at the same circulate curve under the same deformation-rate and stress-level.
在相同位移速率和相同载荷水平条件下，同一次循环时岩石变形曲线的加载段与卸载段的相应拟合参数值不同。
The imitational parameters are different for loading section and unloading section of the fine-sandstone deformation curve at the same circulate curve under the same deformation-rate and stress-level.
在相同位移速率和相同载荷水平条件下，同一次循环时岩石变形曲线的加载段与卸载段的相应拟合参数值不同。
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