The variation law of geostresses with depth in gravitational stress field and tectonic stress field is analyzed.
分析了自重应力场和构造应力场中应力随深度的变化规律。
The results show that the ground stresses at Qinling extra long tunnel district have been expressed in some specialities mainly by the gravitational stress field.
结果表明，秦岭特长隧道地区地应力表现了以重力应力场为主的某些特征。
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