Sandwiched rock between twin closely spaced tunnels is in complicated and three-dimensional stress state.
小净距隧道的中间夹岩处于复杂的三维受力状态。
Through visualization, the three-dimensional deformation surface in whole stress field was drawn.
通过可视化，绘出了整个应力场中的三维变形曲面。
It is especially important when three-dimensional problem must be solved with frozen stress method.
这在应用应力冻结法解决三维问题时尤为重要。
With 2 -Dimensional Finite Element Method analysis, simulate the type section's strain stress characters.
对典型剖面运用二维有限元法模拟其变形，分析其变形破坏特征。
With 2 -Dimensional Finite Element Method analysis, simulate the type section's strain stress characters.
对典型剖面运用二维有限元法模拟其变形，分析其变形破坏特征。
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