基于GEO-SLOPE分析高水头作用下水库对隧道的渗流影响.pdf
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回复 #1 Hoek 的帖子
很好的资料 Insitu 1: used to establish the initial insitu stress conditions induced by the self-weight of the soil.Insitu 2: establishes the initial insitu stress conditions using the submerged weight of the soil.The initial pore-water pressure conditions are obtained from the specified initial water table or the selected PWP/head file.
For an Insitu Analysis, you must use the KeyIn Body Load command to define the total (bulk) unit weight (the vertical unit body load) of the material and the horizontal to vertical stress ratio. In this analysis, only elastic materials are allowed.
In an Insitu 1 analysis, SIGMA/W computes the vertical stress on the basis of the gravity load (unit weight), and then computes the horizontal stress. The shear stress is arbitrarily set to zero.
问一下1,2区别在那里?The shear stress is arbitrarily set to zero.这句话应该怎么理解
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