基于离散元模拟山地边坡变形失稳及注浆加固研究
Study of slope instability and grouting consolidation
刘健1
作者信息
- 1. 中核大地生态科技有限公司 北京 100013
- 折叠
摘要
针对清流县龙津镇渔沧社区长安路卫生局宿舍楼后山的边坡失稳问题,开展了边坡稳定性分析及注浆加固机理的研究.首先分析了工程背景和滑坡主要原因,之后利用SHPB动力加载装置,对不同含水状态下的注浆结石体进行了动力特性试验研究,从微观机制上分析含水状态对试样动态力学性能的影响.研究结果表明:注浆软岩结石体的动态抗压强度,随含水率的提高而降低.研究结果为边坡稳定性分析和注浆加固机理研究,提供了新的视角和方法具有重要应用意义.
Abstract
His manuscript presents an investigation into the slope instability occurring at the rear of the Health Bureau dormitory building,located on Chang'an Road within Yucan Community,Longjin Town,Qingliu County.The study commences with an elucidation of the engi-neering context and a dissection of the principal factors contributing to the landslide.Thereafter,the dynamic characteristics of grouted stone masses under varying moisture conditions were scrutinized via the Split Hopkinson Pressure Bar(SHPB)apparatus,probing into the influ-ence of water saturation on the dynamic mechanical performance of the specimens from a microstructural standpoint.The outcomes of this re-search demonstrate a decrement in the dynamic compressive strength of the grouted soft rock aggregates with an escalation in moisture con-tent.The insights garnered from this study contribute novel methodologies and perspectives to the analysis of slope stability and the investi-gation of grouting reinforcement mechanisms,underscoring their significance in the field.
关键词
注浆加固/稳定性分析/SHPB试验/数值模拟/微观机理Key words
Grouting reinforcement/Stability analysis/SHPB test/Numerical simulation/Microscopic mechanism引用本文复制引用
出版年
2024
NETL
NSTL
万方数据