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用法例句

A primary study to damage mechanism of initial stress dynamic unloading when excavating under high geostress condition;

高地应力条件下隧洞开挖动态卸荷的破坏机理初探

The theory about stress wave and its propagation is employed to analyze the effect of dynamic unloading during excavation of jointed rock mass slope under high geostress.

利用应力波理论分析高地应力条件下节理岩体边坡开挖过程中的动态卸荷效应,探讨卸荷松动后节理岩体渗透特性的变化规律。

The concept of dynamic unloading of initial stress of rock mass in the excavation process of slope and underground powerhouse is presented.

提出了边坡、地下洞室开挖施工过程中岩体初始应力动态卸荷的概念,以龙滩水电站地下厂房开挖为例, 比较了爆破荷载和岩体初始应力动态卸荷对岩体的动态影响。

By means of acoustic wave test and in-situ deformation test of rockmass,the excavation-disturbed zone and weaken degree of mechanical properties for the rockmass of the Three Gorge Project(TGP) shiplock slope are studied,and the mechanical parameters for disturbed zone rockmass are determined.

采用岩体声波测试和现场岩体变形试验等手段,研究了三峡船闸边坡卸荷扰动区范围以及岩体力学性质弱化程度和岩体力学参数取值。