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论文类型：期刊论文

发表时间：2022-06-29

发表刊物：地下空间与工程学报

卷号：13

期号：5

页面范围：1347-1354

ISSN号：1673-0836

摘要：The geological conditions of the right bank slope of Dagangshan hydropower station is complex with high in-situ stress.The geological defects in this slope include diabase dikes,faults moderately dipping outside slope,dense belts of unloading fissures,which make the stability problem of the slope serious.The stability of the slope before and after reinforcement and the interaction of rock-gallery were analyzed by the microseismic monitoring technology in combination of numerical simulations,i.e.the finite difference software FLAC3D.The potential sliding surface of slope failure was determined by microseismic events of rock mass spatial damages during slope excavation.The results show that the anti-shear gallery reinforces the slope markedly.The displacement after reinforcement of the slope is less than half of the slope before reinforcement.Safety factor of slope increases 36.2％ and the microseismic events reduced by 66.4％.

备注：新增回溯数据