CAJ | 학술논문

采用Muki虚拟桩法,在频域内建立了移动荷载作用下饱和土体-桩系统相互作用的第二类Fredholm积分方程,通过离散积分方程与傅里叶逆变换,得到了时间、空间域内桩-土的动力响应,并通过数值计算,分析结果表明:当荷载速度较高时,桩侧有明显的负摩阻力,同时桩顶上部有较大的负孔压.
채용Muki허의장법,재빈역내건립료이동하재작용하포화토체-장계통상호작용적제이류Fredholm적분방정,통과리산적분방정여부리협역변환,득도료시간、공간역내장-토적동력향응,병통과수치계산,분석결과표명:당하재속도교고시,장측유명현적부마조력,동시장정상부유교대적부공압.
Utilizing Muki's method,the second kind of Fredholm integral equation describing the dynamic interaction between the pile and the half-space subjected to moving loads is obtained in the frequency domain.After performing the inverse Fourier transform on the frequency domain solution,the dynamic response of a pile embedded in a poroelastic half-space to a moving load in the time-space domain is investigated.Numerical results show that the moving load will cause negative friction along the pile side.Also,the maximum pore pressure usually occurs around the upper part of the pile.