柴油锤沉管成孔DDC法灰土挤密桩处理湿陷性黄土地基  

The Collapsible Loess Foundation Reinforced by Lime-soil Piles with Diesel Hammer Bore-forming and DDC Method

作　　者：孙建乐 孙洪飞 郭成军 杜鑫 

机构地区：[1]中煤科工集团西安研究院有限公司,陕西西安710077

出　　处：《施工技术》2016年第S1期6-9,共4页Construction Technology

基　　金：中煤科工集团西安研究院有限公司2012年度自筹资金项目"新产业院区建设关键问题研究(2012XAYGL004)

摘　　要：统阐述灰土挤密黄土地基机理、柴油锤沉管成孔DDC施工技术,并结合工程实践指出柴油锤沉管成孔DDC法灰土挤密桩具有施工简便、质量可靠、成本节约的优点,是一种技术可靠、经济合理的湿陷性黄土地基处理方法。The lime soil compacting loess foundation mechanism and the construction of diesel hammer bore-forming and DDC method were described. Combined with the engineering practice,it is pointed out that immersed diesel hammer boreforming DDC method has simple construction,reliable quality and cost saving advantages,which is a technically reliable and economically reasonable treating method of collapsible loess foundation.

关 键 词：柴油锤 沉管成孔 DDC法 灰土挤密桩 湿陷性黄土 地基处理 

分 类 号：TU475.3[建筑科学—结构工程]