【摘要】 根据大桩距搅拌桩复合地基的变形机理,在常规复合地基加固区、软弱下卧层沉降计算方法的基础上进行了计算对比,提出复合地基加固区采用复合模量法、下卧层采用应力扩散法计算沉降的方法.阐述了大桩距复合地基沉降计算的基本假定、计算公式和具体计算步骤.结合具体的工程实例,将大桩距复合地基的计算结果与实测的沉降变形结果进行了对比分析.更多还原

【Abstract】 According to the deformation mechanism of mixing pile with large pile spacing composite foundation,on the base of traditional composite foundation reinforced field and soft soil under layer settlement calculation method,a large pile spacing composite foundation’s settlement calculation method was proposed,the basic calculation formula and computing steps of large pile spacing composite foundation settlement calculation were described,calculated and measured results of large pile spacing composite foundation with the engineering example were compared and analyzed.更多还原