天开岩是位于南京市栖霞山的一处景点，俗称污西凹。
石灰岩作为重要的矿物原料或石料，绝大部分为露天开采，大量的矿石开采给环境造成较大影响。
As the important raw mine or rock material, most of limestone is open - air to mine, and the large quantity ore digging result in the environment to the big influence.
边坡岩体的工程地质特性对露天开采边坡角的选定及边坡的稳定性至关重要。
The engineering geology characteristics of the slope rock body are vital important for the selection of open-air mining slope Angle and the stability of the slope.
随着越来越多的露天矿山转入深凹露天开采，高陡边坡岩体运动损害规律研究越来越受到人们所认识和重视。
With more and more open-pit mines transferring into deep open-pit mining, research on the law of the movement and damage to high and steep slope rock is focused on.
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