山东大学学报 (工学版) ›› 2023, Vol. 53 ›› Issue (1): 92-99.doi: 10.6040/j.issn.1672-3961.0.2021.591
牛犇1,张新伟2,周玉3,李婧1,徐兴全2,张一鸣1*
NIU Ben1, ZHANG Xinwei2, ZHOU Yu3, LI Jing1, XU Xingquan2, ZHANG Yiming1*
摘要: 基于连续-非连续单元方法,引入应力场和渗流场数值耦合算法。根据兰营地区边坡地质条件建立高精度三维地质灾害模型,考虑不同降雨工况,对边坡稳定性进行分析,并与监测数据展开对比验证模型可靠性。研究表明,该边坡天然工况下安全系数为1.79,短时强降雨工况下边坡安全系数约为1.20,边坡破裂度为10.36%。经稳定性评价,该边坡在天然工况下处于基本稳定状态,在暴雨状态下处于欠稳定状态,存在一定失稳危险。
中图分类号:
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