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Slope stability of increasing height and expanding capacity of south dumping site of Hesgoula coal mine:a case study
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作者 Weidong pan weiliang pan +3 位作者 Jianyang Luo Long Fan Shaocheng Li Ulziikhutag Erdenebileg 《International Journal of Coal Science & Technology》 EI CAS CSCD 2021年第3期427-440,共14页
This paper is devoted to improve the containment capacity of the Hesgoula south dumping site.The general geology of the dumping site was obtained through geological surveys.Physico-mechanical properties of silty clay ... This paper is devoted to improve the containment capacity of the Hesgoula south dumping site.The general geology of the dumping site was obtained through geological surveys.Physico-mechanical properties of silty clay and bedrock layers that have a large impact on the stability of the dump were measured by direct shear tests and triaxial tests in laboratory.Then ultimate bearing capacity of the substrate were analyzed and calculated.This paper proposed three capacity expansion and increase plans and used GeoStudio software for comparison.Through computation of the stability of the dump site slope after capacity expansion and increase for each plan,the capacity expansion plan was determined.The capacity expansion and increase plan will solve the problem of the current insufficient containment capacity of the Hesgoula south dumping site,which is of great significance for saving mine transportation costs,improving work efficiency,and reducing grassland occupation. 展开更多
关键词 Dump slope Increasing height and expanding capacity Soft base Ultimate bearing capacity
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