自扩式沉管灌注桩的开发与应用  

Development and Application of Self-enlarging Sunk Pipe Grouting Pile

作　　者：朱向荣[1] 吴彩霞 杨建华[2] 

机构地区：[1]浙江大学岩土工程研究所,浙江杭州310027 [2]中国建设银行德清县支行,浙江德清313200

出　　处：《施工技术》2003年第1期21-22,30,共3页Construction Technology

摘　　要：介绍了自扩式沉管灌注桩的扩底施工新技术,并结合静载试验与普通沉管灌注桩进行了比较,分析表明该桩型具有高承载力、低沉降量的显著特点,而且施工相当简便,经济效益好,具有广阔的应用前景。In this article,authors introduce the new bottom\|enlarging construction technology of self\|enlarging sunk pipe grouting piles,analyze its working principle,and compare them with common sunk pipe grouting piles combining with static load experiment.The analysis result indicates that this pile type has advantages such as high bearing capacity,little sedimentation,simple construction and good economic benefit,and has an extensive application prospect.

关 键 词：桩基工程 自扩桩 沉管灌注桩 工程施工 

分 类 号：TU753.3[建筑科学—建筑技术科学]