CAJ | 학술논문

崩塌冲击或崩积物重力加载作用都可能诱发坡脚滑坡的变形或失稳。在查明坡体结构的基础上，采用3DEC离散元数值模拟方法，对高陡斜坡在地下开采作用下崩塌所产生的机理、失稳模式、破坏规模、运动轨迹进行了全过程模拟，特别是斜坡失稳后和坡脚滑坡的相互作用效应进行了深入分析。结果表明：通过地下开采诱发的崩塌过程模拟及其研究，发现斜坡在地下开采的扰动下会产生大规模的崩塌，其滚石会对滑坡体产生强烈的冲击作用，且所形成的崩积物会对滑坡体产生重力加载作用。再通过监测数据以及现场收集的资料分析得出滑坡的蠕滑变形主要是由于崩积物重力加载作用引起的，且有继续变形的趋势，在暴雨季节时，滑坡的变形速率可能会增大，有潜在大规模滑动的危险，需做好相应的防护工作。
붕탑충격혹붕적물중력가재작용도가능유발파각활파적변형혹실은。재사명파체결구적기출상，채용3DEC리산원수치모의방법，대고두사파재지하개채작용하붕탑소산생적궤리、실은모식、파배규모、운동궤적진행료전과정모의，특별시사파실은후화파각활파적상호작용효응진행료심입분석。결과표명：통과지하개채유발적붕탑과정모의급기연구，발현사파재지하개채적우동하회산생대규모적붕탑，기곤석회대활파체산생강렬적충격작용，차소형성적붕적물회대활파체산생중력가재작용。재통과감측수거이급현장수집적자료분석득출활파적연활변형주요시유우붕적물중력가재작용인기적，차유계속변형적추세，재폭우계절시，활파적변형속솔가능회증대，유잠재대규모활동적위험，수주호상응적방호공작。
The impact of collapse or colluvial gravitational load may induce deformation and instability of landslide. On the basis of ascertaining slope structure,this paper applies the 3DEC discrete element numerical simulation method to simulating the mechanism,the scale of buckling mode,destruction and movement by the collapse of high and steep slope under the action of underground mining overall process.It especially analyzes deeply the interaction effect of slope after instability and landslide.The results show that the process of collapse by underground mining can disturb the underground mining slope and can produce a massive collapse.The rolling stones by collapse can have a strong impact on landslide.The generated colluvial deposits can have a gravitational load on landslide.The creep deformation of landside is mainly caused by the impact of colluvial gravitational load from the analysis of the monitoring data and the field of information collection.And landside has a tendency to continue to deformation.In rain season,the landslide deformation rate can be increased and become a risk of potential sliding mass.The corresponding protection work is necessary.