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由于工程的实际地理位置与现地应力所测量地点相隔不小的距离,尤其是地形复杂的地区,现场测点处所测量出的地应力通常情况下并不能用以替代工程所在地区的地应力状态。因此,本文将三维地应力场的反演模拟技术运用于隧道设计中,通过测量测点处的地应力状态推算出工程所在位置上的地应力状态,以此作为其设计的地应力依据。
Since the actual geographical location of the project is not far away from the place where the in situ stress is measured, especially in the areas with complex terrain, the in-situ stress measured at the field measuring point can not usually be used to replace the geostress in the area where the project is located . Therefore, in this paper, the inversion technique of 3D geostress field is applied to the tunnel design. The geostress state at the project location is deduced by measuring the geostress state at the measuring point, which is used as the ground stress basis for the design.