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中文摘要：
针对弓长岭露天铁矿大阳沟排土场的实际情况，在岩土工程勘察和岩土体物理力学性质分析的基础上，采用Geo—Slope极限平衡理论与FLAC2D数值模拟相结合的方法，深入分析了排土场边坡典型剖面在现状工况和极限堆高工况下的稳定性。结果表明：大阳沟排土场边坡在现状工况下处于基本稳定状态；在极限堆高工况下，排土至其极限堆置标高436m时，处于基本稳定状态。所得结论对排土场的实际排土具有重要的意义。
英文摘要：
According to the reality of Dayanggou Dump of Gongchangling Open Pit Iron Mine, and on the basis of the geotechnical engineering investigation and the analysis of physical and mechanical properties, the stability of typical sections of dump slopes under the current operating status and the limiting dump height operating status was analyzed with the use of Geo-Slope limit equilibrium theory and FLAG2D numerical analysis method. The results showed that the Dayanggou dump slope is stable under the current operating status. Under the limiting dump height operating status, the dump slope keeps stable when the dumping reaches the limiting height of 436 m. This conclusion is great significant for the actual dumping.
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