permanent change of station 中文意思是什麼
permanent change of station
解釋
永久性調動-
After the engineering slope was dug, several small plastic zone the designed rock - fill dam will coming in the temporary slope, because rock - fill dam change the stress field on a small degree. but a gravity dam will arouse a great area of plastic zone in the permanent slope, which will bring a stability problem. after detail and depth study, the rock - fill dam project is more compatible of the engineering geology condition in nuozadu hydraulic - power station ' s dam site
工程邊坡開挖后,擬定的堆石壩方案由於嵌入淺,應力的調整有限,塑性區主要分佈在壩頂高程附近的較小范圍內;而擬定的重力壩方案,由於嵌入深,引起了一定程度的應力調整,邊坡巖體表層產生了鬆弛變形,塑性區主要分佈在壩頂高程到坡頂前緣(永久邊坡)的v ivb類巖體分佈區。
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