微型钻孔嵌岩钢管灌注桩加固冲孔灌注桩基础  

Application of the Minisize Bore Steel Tube Cast-in-site Pile Embedded in Rock in Strengthening Percussion Drilling Boring Pile

作　　者：杜元增 孙诗文[2] 

机构地区：[1]广州珠江外资建筑设计院有限公司,广东广州510060 [2]广东水利电力职业技术学院,广东广州510635

出　　处：《广东水利电力职业技术学院学报》2012年第1期9-12,21,共5页Journal of Guangdong Polytechnic of Water Resources and Electric Engineering

摘　　要：以《建筑桩基技术规范》相关的理论和公式为基础,将其应用于微型钻孔嵌岩钢管灌注桩的竖向承载力特征值的计算公式,并结合实际工程算例,对桩基的整个加固设计过程进行系统阐述,为类似的工程应用提供借鉴。Based on the theory and formulas of the technical code for building pile foundations, the formulas for the characteristic value of the vertical bearing of the minisize bore steel tube cast-in-site pile embedded in rock are concluded. Combined with the engineering example, the whole design process of strengthening is introduced. It can be referred for similar projects＇ application.

关 键 词：微型钢管灌注桩 冲孔灌注桩 加固 

分 类 号：TU472[建筑科学—结构工程]