Abstract: With the coal mine excavated deeper gradually, strain softening, swelling fracture and rheology of the rock appear around deep and high stress underground roadways.
摘要随着煤矿开采的逐渐加深，深部高应力巷道围岩表现出典型的应变软化、破裂膨胀及流变特征。
The divisional walls will divide the long strip pit into several small pits that will be excavated alternately to keep the old station stable and safe during deep pit excavation.
为了保证基坑开挖过程中既有车站的安全，用隔墙将新地铁车站长条形基坑分成小基坑间隔开挖。
Several fallen trees and other debris had dammed up the water, and the fast flow during the floods had excavated the soft earth, leaving behind a fairly deep pool beneath the trees.
几棵落木和其他垃圾堆积在一起形成了一个小水坝。河水泛滥时湍急的水流把松软的泥土都冲走了，在树林后面留下一个有点深的水塘。
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