静压小桩复合地基桩土相互作用的试验研究与工程应用  

Experiment and Application of Pile-Soil Interaction in Static-Push-in-Mini-Pile Composite Foundation

作　　者：周同和[1] 

机构地区：[1]郑州大学综合设计研究院,河南郑州450002

出　　处：《建筑科学》2003年第5期37-41,共5页Building Science

摘　　要：静压预制混凝土小桩复合地基具有施工速度快、无污染、无噪音等优点以及地基承载力提高幅度大、压缩模量提高显著等特点。本文通过静压小桩复合地基载荷试验及分析,研究了预制静压桩复合地基桩土相互作用变化规律及刚性桩复合地基承载力设计计算方法。通过某工程实例的应用分析,验证了预制混凝土小桩复合地基承载力计算式中各项糸数取值的实用性。The static-push-in-mini-pile (SPIMP) composite foundation processing technology has the advantages of short construction period, low noise, no pollution and so on; at the same time, the load bearing capacity and modulus of elastic are enhanced significantly. Based on the site loading experiment on SPIMP composite foundation, the interaction between pile and soil are studied in detail and the internal force analysis method is put forward. Finally, the case study calibrates the parameters in the analysis formula.

关 键 词：静压混凝土小桩 复合地基 承载力 载荷试验 预制静压桩 桩土相互作用 

分 类 号：TU473.12[建筑科学—结构工程]