CAJ | 학술논문

传统的Winkler地基只能考虑地基中的正应力的作用，忽略了地基中剪应力的作用。本文通过修正常规的Winkler地基，考虑地基中的剪应力作用，通过半无限弹性体中的Mindlin解获得与侧摩阻力相对应的基床系数。基于改进的文克勒地基，模拟桩顶受倾斜荷载的桩土相互作用。考虑p-Δ效应与桩土界面的位移协调关系，通过对典型单元体的分析，推导了桩的挠曲线微分方程。采用差分法，利用matlab软件编制程求解，通过与已知的文献对比，论证了本方法的正确性。
전통적Winkler지기지능고필지기중적정응력적작용，홀략료지기중전응력적작용。본문통과수정상규적Winkler지기，고필지기중적전응력작용，통과반무한탄성체중적Mindlin해획득여측마조력상대응적기상계수。기우개진적문극륵지기，모의장정수경사하재적장토상호작용。고필p-Δ효응여장토계면적위이협조관계，통과대전형단원체적분석，추도료장적뇨곡선미분방정。채용차분법，이용matlab연건편제정구해，통과여이지적문헌대비，론증료본방법적정학성。
The conventional Winkler foundation only takes the normal stress into account , ignoring the shear stress in subgrade .Base on the conventional Winkler model , this study presented a new model which can consider the shear stress in subgrade .The coefficient of subgrade reaction corresponding to side friction resist-ance can be obtained using Mindlin ’ s solution for the semi -infinite elastic mass.Base on the modified Wink-ler’ s spring model , the pile-soil interaction can be simulated for a single pile subjected to the oblique loads . The flexural differential equations can be obtained by considering the p -Δeffect and pile -soil displacement compatibility conditions .The flexural differential equations were solved by the finite difference method and the Matlab software .The comparison of the results calculated by the present method for single piles has shown good agreement with those obtained from the known literatures .