岩土力学Issue(8)：2197-2204,8.
考虑竖向摩阻力的抗滑桩嵌固段内力计算
Internal force calculation of anti-slide pile socketed segment considering vertical frictional resistance
摘要
Abstract
The vertical frictional resistance generated during the deformation of anti-slide pile can form anti-moment or push-pull resistance, which can contribute to landslide prevention. The impact of the vertical frictional resistance on the internal forces and deformation of anti-slide pile socketed section is studied. On the base of elastic foundation coefficient method“K method”and small deformation assumption, the vertical frictional resistance is considered proportional to the relative displacement of pile and rock mass, then the mechanical model and the bending deformation differential equations of anti-slide pile are established. And the corresponding solution process is derived. The effects of the vertical frictional resistance on anti-slide pile are analyzed by the calculation of anti-slide pile in Majiagou landslide #1. It is found that the counter torque formed by vertical frictional resistance can reduce the pile deformation and internal forces, the shear force is affected by the counter torque mostly, followed by the deformation, and little influence is brought to the bending moment. The anti-slide pile model which has taken the vertical frictional resistance into account can improve the problem of excessive shear force when using the current method, and make the design more reasonable.关键词
抗滑桩/嵌固段/竖向摩阻力/内力计算Key words
anti-slide pile/socketed segment/vertical frictional resistance/internal force calculation分类
建筑与水利引用本文复制引用
雷国平,唐辉明,程昊,王君鹭,宋德文..考虑竖向摩阻力的抗滑桩嵌固段内力计算[J].岩土力学,2014,(8):2197-2204,8.基金项目
国家重点基础研究发展计划(973)项目“重大工程灾变滑坡演化与控制的基础研究”（No.2011CB710600）；国家自然科学基金重点项目（No.41230637）；国家自然科学基金（No.41202198）、中国地质大学（武汉）教学实验室开放基金资助项目。 （973）
