The measured results of settlement depth for foundations with different breadth,soil deformation area around pile and fo不同基宽压缩层深度、基础和桩侧土变形范围、双桩相互影响系数以及桩顶荷载分布的测试结果说明，土－土、桩－土、桩－桩相互作用效应较连续介质弹性理论值明显弱化。