复合桩基应用范围的探讨

Discussion on the range of application of composite pile foundation

以《建筑桩基技术规范》(JGJ 94—2008)为基础,探讨复合桩基设计的应用范围。针对常用的大、中型直径的非挤土桩,以图表的方式,比较了独立承台下不同桩径及桩长的承台效应系数,提出了不考虑承台效应的简化设计方法。

Based on the Technical code for building pile foundations(JGJ 94—2008),the application range of composite pile foundation was mainly discussed in this paper.Aiming at the non-squeeze out soil pile which has large and medium diameter,a comparison about the pile caps effect coefficient of the pile caps was made,which has different pile diameter and pile length by the chart way.Finally,the simplified design method without considering the pile cap effect was proposed.