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高层建筑静压预应力管桩施工初探
引用本文:马爱国,陈捷,霍丽芳.高层建筑静压预应力管桩施工初探[J].杭州应用工程技术学院学报,2013(1):42-46.
作者姓名:马爱国  陈捷  霍丽芳
作者单位:[1]浙江驰成建设有限公司,浙江东阳322100 [2]浙江省住房和城乡建设厅干部学校,杭州310012 [3]长兴县广信建设投资咨询有限公司,浙江长兴313100
摘    要:对高层桩基采用静力压桩法,依据地质状况、场地条件、最大压桩力、单桩极限承载力、入土深度、桩身强度、打桩顺序、用电量平衡、引孔压桩法等,并结合当地经验综合施工。静载效果分析极限承载力比最终压桩力提高了44%~79%。与钻孔灌注桩经济对比,大吨位管桩节省造价14%。

关 键 词:静力压桩法  引孔压桩法  高层建筑  场地条件  最大压桩力

About static pressing prestressed pipe pile construction technology in high-rise buildings
MA Aiguo,CHEN Jie,HUO Lifang.About static pressing prestressed pipe pile construction technology in high-rise buildings[J].Journal of Hangzhou Institute of Applied Engineering,2013(1):42-46.
Authors:MA Aiguo  CHEN Jie  HUO Lifang
Affiliation:1. Zhejiang Chicheng Construction Co. , Ltd. , Dongyang 322100, China; 2. Zhejiang Provincial Carder School of Department of Housing and Urban-Rural Development, Hangzhou 310012, China; 3. Changxing County Guangxin Building Investment Co. , Ltd. ,Changxing 313100, China)
Abstract:The method of static pressing pile in high-rise building is related to geological condition, site condition, maximum pressing force, ultimate bearing capacity of single pile, buried depth, strength of pile, piling sequence, energy balance, method of pressing pile with pre-augering and local experience. According to the static loading test, the ultimate bearing capacity of single pile is increased by 44%-79% than the final pressing pile force. Compared to the bored pile, large tonnage prestressed pipe piles reduces investment about 14%.
Keywords:method of static pressing pile: method of pressing pile with pre-augering: high-risebuilding: site condition: maximum pressing pile force
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