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基于有限元模拟的高边坡稳定性分析

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为研究不同支护条件下高边坡的稳定性,文章以东莞市华为团泊洼南区一路高边坡防护工程为研究背景,基于有限元软件Midas/GTS建立了边坡及其支护措施的有限元模型,分析了不同工况下边坡的安全系数、塑性区、位移分布变化规律.结果表明:削坡状态下边坡处于欠稳状态,采用放坡+永久性全黏结钢筋锚杆框架梁的支护形式,边坡处于稳定状态.利用数值模拟可以预测边坡稳定性,较好地指导工程施工,保障支护方式的合理性及安全性.
Stability Analysis of High Slope Based on Finite Element Simulation
In order to study the stability of high slope un-der different supporting conditions,this paper takes the high slope protection engineering of No.1 Road in the south area of Tuanbowa,Huawei,Dongguan as the re-search background.Based on the finite element software Midas/GTS,the finite element model of the slope and its supporting measures is established,and the safety factor,plastic zone and displacement distribution variation law of the slope under different working conditions are analyzed.The results show that the slope is in an unstable state under the condition of slope cutting,and the slope is in a stable state by using the support form of sloping+permanent fully bonded rebar anchor frame beam.Numerical simula-tion can be used to predict the stability of the slope,better guide the engineering construction,and ensure the ration-ality and safety of the support method.

high slope stability analysisfinite element simulationslope reinforcementstrength reduction method

刘鸿波

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深圳市市政设计研究院有限公司,广东 深圳 518000

高边坡稳定性分析 有限元模拟 边坡加固 强度折减法

2024

工程技术研究
广州钢铁企业集团有限公司

工程技术研究

影响因子:0.081
ISSN:2096-2789
年,卷(期):2024.9(16)