施工技术 2014年7月上 38 CONSTRUCTION TECHNOLOGY 第43卷第13期 D01:10.7672/sgis2014130038 涡压式旋转分层扩径桩成桩方法 李春宝，薛世峰1，俞然刚1，孙翔2，张艳美1，刘晓辉1，赵致俊3 (1.中国石油大学（华东）储运与建筑工程学院，山东青岛266580； 2.中国石油大学（华东）规划建设处，山东青岛266580；3.莱西市建筑总公司，山东青岛266600) [摘要]总结了现有各种变截面扩径桩施工方法的优缺点.提出且验证了涡压挤扩机理，并将其应用到变截面扩 径桩施工工艺中，介绍了涡压挤扩设备及施工工艺流程.结果表明，采用涡压挤扩方法实施变截面桩的施工工艺 在理论上可行，具有较强的适用性，涡压挤扩方法将为柱基础行业注人新的活力. [关键词]桩；挤扩桩；涡压；旋转分层；施工技术 [中图分类号]TU753.3 [文献标识码]A[文章编号]1002-8498(2014)13-0038-04 The Construction Method of Vortex-pressure Rotating Stratified Expanded Diameter Piles Li Chunbao' Xue Shifeng' Yu Ran'gang' Sun Xiang2 Zhang Yanmei' Liu Xiaohui' Zhao Zhijun' (1.College of Pipeline and Civil Engineering China University of Petroleum Qingdao Shandong 266580 China; 2.Planning and Construction Department China University of Petroleum Qingdao Shandong 266580 China; 3.General Construction Company of Laixi Qingdao Shandong 266600 China) Abstract:This paper summarized the advantages and disadvantages of various existing tapered expanding pile construction method proposed vortex pression expansion mechanism and applied it to tapered expanded diameter piles construction.The vortex pression expanding equipment and the construction process were introduced.The results indicate that it's feasible to use the method of vortex pression expansion to implementation of tapered pile construction technology it is applicability and will bring new vitality for the pile foundation. Key words:piles;expand piles;vortex pressure;rotating stratified;constr...
涡压式旋转分层扩径桩成桩方法.pdf
