长螺旋钻孔压灌桩与振捣插筋工艺技术  

TECHNOLOGY OF LONG AUGER DRILLING PRESS-GROUTING PILE AND VIBRATING STEEL DOWEL

作　　者：李式仁 沈保汉[2] 陈德文 彭尚银 沈锦儒[5] 魏东[6] 丁亚军 

机构地区：[1]北京海泰克岩土工程有限公司,北京100865 [2]北京市建筑工程研究院,北京100039 [3]江苏省建筑工程施工图审查中心,南京210035 [4]军队工程与环境质量监督总站,北京100038 [5]江苏省电力设计院,南京211102 [6]山东省建筑设计研究院,济南250001

出　　处：《建筑技术》2009年第12期1070-1073,共4页Architecture Technology

摘　　要：振捣插筋钻孔压灌桩综合利用了长螺旋钻孔、压灌大流动性混凝土、振捣插筋等工艺,形成了一种新型桩基施工工艺。该工艺具有工效高、造价低、污染少、桩体密实、桩承载力高和工程质量稳定等特点,可获得显著的技术、经济及环境效益,具有广阔的发展前景。Vibrating steel dowel drilling press-grouting pile combines many technologies, such as long auger driller, press-grouting high-flow concrete and vibrating steel dowel, and forms a new pile foundation construction technology. This technology has many characteristics, including high efficiency, low cost, low pollution, compact pile body, high bearing capacity of pile and stable engineering quality. The technology can bring obvious technical, economic and environmental benefits and enjoys a wide development prospect.

关 键 词：压灌桩 振捣插筋 超流态混凝土 

分 类 号：TU753.3[建筑科学—建筑技术科学]