全套管大直径振动取土灌注桩施工新技术  

A New Construction Technology of Large Diameter Cast-in-place Piles with Sleeves Driven by Vibratory Hammers

作　　者：肖勇杰[1,2] 许万强 陈福全[1,2] 

机构地区：[1]福州大学土木工程学院,福建福州350108 [2]福建省岩土与环境企业工程技术研究中心,福建龙岩364000

出　　处：《施工技术》2015年第1期61-64,共4页Construction Technology

基　　金：国家自然科学基金面上项目(41272299)

摘　　要：介绍了全套管大直径振动取土灌注桩的施工机械及施工原理。并结合实际工程应用情况,详细阐述了该施工技术的工艺流程、存在的问题以及处理方法。工程检测和实践效果表明,该桩型具有工效高、质量可靠及环境影响小等优点。A new technique for installations of cast-in-place piles with sleeves driven by high frequency hydraulic vibratory hammers is presented in this paper. Based on engineering practice, the detailed construction technique, construction process, construction difficulties and processing methods are presented in detail. The adverse impact during pile installation on environment is negligible. The results of field tests indicate that the new method of pile installation has high efficiency and reliable quality.

关 键 词：桩 灌注桩 全套管 高频液压振动锤 施工技术 

分 类 号：TU473[建筑科学—结构工程]