海南省澄迈县福山镇高铁站前道路土体滑坡的GEO5数值模拟研究

通过对海南省澄迈县福山高铁站前道路土体滑坡的形态特征、地层岩性、水文地质环境条件及地质构造等情况的分析,结合地形测量、钻探揭示的地层结构及分类,运用GEO5模拟软件中的地层模块建立了滑坡区三维可视化模型,并在此模型基础上,采用边坡稳定性分析模块,运用萨玛法(Sarma),对该滑体边坡在天然状态和饱水状态2种工况下进行数值模拟研究,得出边坡稳定性情况和滑动面位置。模拟结果与野外调查结果相吻合,为今后制定合理的滑坡防治措施提供了理论依据。

GEO5 numerical simulation research on the soil landslide in the front road of Fushan high-speed railway station in Chengmai County of Hainan Province

Based on the analysis of the morphological characteristics, stratigraphic lithology, hydrogeological environmental conditions and geological structure of the soil landslide in the front road of Fushan high-speed railway station in Chengmai County of Hainan Province, the three-dimensional visualization model of the landslide area was established through the stratum module in the GEO5 software, combined with topographic survey, layer structure and stratigraphic classification. On the basis of this model, the authors adopted the slope stability analysis module and Sarma method to conduct numerical simulation research on the slope stability and the position of the sliding surface under two working conditions of natural state and full water state. The simulation results are in agreement with the field survey results, which will provide some theoretical basis for the establishment of reasonable landslide prevention and control measures in the future.