抗滑桩在水利工程边坡支护中的应用分析  

Application Analysis of Anti-Slide Pile in Hydraulic Engineering Slope Support

作　　者：杨奎 YANG Kui(Southwest Guizhou Autonomous Prefecture Xingyuan Water Conservancy and Hydropower Investigation Design Co.Ltd.,Xingyi 562400,Guizhou,China)

机构地区：[1]黔西南州兴源水利电力勘察设计有限公司,贵州兴义562400

出　　处：《水利科技与经济》2024年第2期157-160,共4页Water Conservancy Science and Technology and Economy

摘　　要：近年来,h形抗滑桩在边坡治理工程中应用广泛。结合实际边坡工程,利用数值模拟技术,建立不同连梁刚度h形抗滑桩治理边坡的模型,对h形抗滑桩连梁刚度对抗滑桩桩身位移、内力以及边坡治理效果进行研究。结果表明:①不同范围的连梁刚度,对h形抗滑桩桩顶位移的影响程度不同;②连梁刚度变化,对h形抗滑桩后排桩最大剪力的影响较前排桩更大,且对前后排桩桩身最大弯矩的影响不同;③综合考虑各种因素,该实例边坡工程最优的连梁刚度为1.5EI,此时边坡最大位移仅为8mm,较天然工况下降低73.3%。研究成果可为类似工程提供参考。In recent years,h-type anti-slide pile is widely used in slope treatment engineering.Combined with the actual slope engineering,using numerical simulation techniques,a model of slope treatment with h-shaped anti-slide piles with different coupling stiffness is established,the stiffness of h-shaped anti-slide pile coupling beam for anti-slide pile body displacement,internal force and slope treatment effect is studied.The results show that①Different range of coupling stiffness,the influence on the top displacement of h-type anti-slide pile is different.②Stiffness change of coupling beam,the influence on the maximum shear force of the back row pile of h-type anti-slide pile is greater than that of the front row pile,and the influence on the maximum bending moment of front and back row piles is different.③Take all factors into consideration,the optimum stiffness of the coupling beam is 1.5EI,the maximum displacement of the slope is only 8mm,73.3%lower than the natural working condition.The research results can provide reference for similar projects.

关 键 词：数值模拟 h形抗滑桩 连梁刚度 内力分析 

分 类 号：TV223[水利工程—水工结构工程]