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The Risk Analysis of Long-distance Pipeline System in Mountain Area Subjected to Multi-hazard (Ⅰ): Risk of Rain-Caused Landslide

机译:山区长途管道系统多险种的风险分析(Ⅰ):雨水滑坡的风险

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摘要

This is the first one of a succession paper of the risk analysis of pipeline due to multi-hazard in mountain area. The present paper is focused on the risk of rain-caused landslide which would induce the damage of the pipeline. Considering the spatial variations of soil hydraulic properties, such as permeability and pore size distributions, the random field model for unsaturated seepage is present by the application of stochastic finite element method. A 3D probability based slope stability analysis model due to the rainfall by the application of limit equilibrium method is applied. The spatial variation of soil hydraulic properties is analyzed.
机译:这是山区多险种管道风险分析的后续论文之一。本文的重点是降雨引起的滑坡的风险,滑坡会导致管道的损坏。考虑到土壤水力特性的空间变化,如渗透率和孔径分布,采用随机有限元方法建立了非饱和渗流随机场模型。应用极限平衡法,建立了基于降雨的基于3D概率的边坡稳定性分析模型。分析了土壤水力特性的空间变化。

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