The boulder, rock wall. bottom toe always appear in limestone mine mid deep bench blasting because of bedding, fault, joint and cave.
石灰石矿岩层较多，断层、节理裂隙和溶洞发育，爆破容易产生大块、岩墙和根底。
The results show that the failure of dam foundation is caused mainly by the extension of dam heel crack and the expansion of shear-yield zone of the foundation rock near the dam toe.
结果表明，坝基的破坏主要表现为坝踵裂缝的延伸和坝趾附近基岩剪切屈服区的扩展。
Enlarged toe piles embedded in weak-rock foundation is adopted in Nanning Diwang Commerce Center for the height of the building is great and the load on it is large.
南宁市地王商会中心的楼层高、荷载大，其基础采用了软岩扩底桩。
Enlarged toe piles embedded in weak-rock foundation is adopted in Nanning Diwang Commerce Center for the height of the building is great and the load on it is large.
南宁市地王商会中心的楼层高、荷载大，其基础采用了软岩扩底桩。
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