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中文摘要：
基于集中力作用下的Mindlin解位移公式,推导得到圆形和环形均布荷载作用下的地基沉降公式,将刚性桩复合地基视为桩、土、筏板体系,采用半解析法,通过筏板、桩以及地基相互之间力的平衡与位移协调建立方程,得到了刚性桩复合地基考虑共同作用的半解析解。文中方法未知量少,计算速度快,便于实际应用,工程实例结果表明,该方法具有较好的适应性。
英文摘要：
Based on Mindlin displacement solution subjected to centralized load,the settlement of circle or ring uniform load is proposed.A semi-analytical method,which makes use of compatible analysis of force and displacement between piles,slab and ground,is developed to analyze interaction among rigid pile composite foundations.This method has less unknown parameter,but it has fast calculation speed and practicality.The results from practical engineering prove that the method presented has good preciseness and practicality.
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