考虑桩-土相互作用的管桩水平动力阻抗研究

Study on Lateral Dynamic Impedance of Pipe Pile Considering Soil-Pile Dynamic Interaction

在经典平面应变假定和波的传播理论的基础上,通过引入势函数的方法,对土层的水平振动问题进行求解,得到了桩周土和桩芯土对管桩的水平动力作用.然后,利用初参数法求解了管桩的水平振动,分析了桩周土与桩芯土剪切模量比和管桩外半径对管桩水平动力阻抗的影响.

The horizontal vibration of soil is solved by potential function based on the theory of wave propagation and plane strain assumptions,and the horizontal dynamic action of the around pile soil and inner soil on pipe pile is obtained.The horizontal vibration of pipe pile is investigated with initial parameter method,and the influences of shear modulus ratio and outer radius on the horizontal dynamic impedance of pipe pile is investigated.