| PHC与CFG复合桩在郑州航空港区的应用 |
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| 引用本文： | 王刚,赵建粮,王烁.PHC与CFG复合桩在郑州航空港区的应用[J].探矿工程,2020,47(3):59-63. |
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| 作者姓名： | 王刚 赵建粮 王烁 |
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| 作者单位： | 河南省地矿局第二地质环境调查院,河南省深部探矿工程技术研究中心,河北地质大学 |
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| 摘 要： | 论述了PHC管桩和CFG桩的特点及适用条件。根据郑州航空港经济综合实验区护航中心工程建设场地的工程地质条件，分析了单一采用PHC管桩、CFG桩复合地基及钻孔灌注桩所存在的问题。根据地质条件和建筑物荷载情况，论述了选择PHC管桩与CFG桩复合应用的可行性、合理性。介绍了PHC与CFG复合桩在护航中心工程的施工技术及优化，分析了应用效果和遇到的问题，提出了解决问题的思路，创造了良好的效益。
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| 关 键 词： | PHC管桩 CFG桩 基础选型 复合桩 桩基检测 |
| 收稿时间： | 2019/12/31 0:00:00 |
| 修稿时间： | 2020/2/25 0:00:00 |
Application of PHC and CFG composite piles in the Zhengzhou Aviation Port area |
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| WANG Gang,ZHAO Jianliang and WANG Shuo.Application of PHC and CFG composite piles in the Zhengzhou Aviation Port area[J].Exploration Engineering(Drilling & Tunneling),2020,47(3):59-63. |
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| Authors: | WANG Gang ZHAO Jianliang and WANG Shuo |
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| Institution: | No.2 Institute of Geo-environment Survey of Henan,Henan Engineering Research Center of Deep Exploration,Hebei GEO University |
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| Abstract: | The characteristics and applicable conditions of PHC pipe piles and CFG piles are discussed. Based on the engineering geological conditions at the construction site of the Escort Center of the Zhengzhou Aviation Port Economic Comprehensive Experimental Zone, analysis is made of the problems with separate use of PHC pipe piles, the CFG pile composite foundation and bored cast-in-place piles. In regard to the geological condition and the load condition of the building, the feasibility and rationality of selecting the combination of the PHC pipe pile and the CFG pile are discussed. This paper introduces the construction technology and optimization of the PHC and CFG composite pile for the Escort Center project. The application results and the problems encountered are analyzed with the approach to solve the problems put forward, which has produced good returns. |
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| Keywords: | PHC pipe pile CFG pile selection of foundation type composite pile inspection of pile foundation |
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