| 合肥滨湖新区静压管桩单桩极限承载力与终压力关系的载荷试验研究 |
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| 引用本文： | 邵艳,邢维忠,魏源,翟朝娇.合肥滨湖新区静压管桩单桩极限承载力与终压力关系的载荷试验研究[J].实验力学,2015,30(4):523-528. |
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| 作者姓名： | 邵艳 邢维忠 魏源 翟朝娇 |
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| 作者单位： | 安徽建筑大学 土木工程系, 合肥 230601;安徽建筑大学 土木工程系, 合肥 230601;安徽建筑大学 土木工程系, 合肥 230601;安徽建筑大学 土木工程系, 合肥 230601 |
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| 基金项目： | 安徽省自然科学基金项目(No.1508085ME76) |
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| 摘 要： | 以合肥滨湖某安置房项目PHC管桩加固工程为依托,利用PHC静压管桩的载荷试验,对静压管桩的单桩极限承载力Qu、静压管桩施工中的终压力Pu进行了研究。得到以碎石层为持力层时,单桩极限承载力与终压力之间的关系,单桩竖向极限承载力小于终压力,且为终压力的60%~90%;通过对长径比(L/d)与压力比(Qu/Pu)进行回归分析,发现两者大致呈双曲线关系。建立了静压管桩单桩极限承载力与终压力之间关系的地区经验公式,便于在静压管桩施工中更加可靠地控制终压力。
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| 关 键 词： | 预应力高强度混凝土(PHC)管桩 载荷试验 单桩极限承载力 终压力 长径比 |
| 修稿时间： | 6/7/2015 12:00:00 AM |
Load Experimental Study of Relation between Ultimate Bearing Capacity of Single Pile and Terminative Jacking Force for Jacked Pipe Pile Subjected to Static Loading used in Hefei Lakeside New District |
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| SHAO Yan,XING Wei-zhong,WEI Yuan and ZHAI Chao-jiao.Load Experimental Study of Relation between Ultimate Bearing Capacity of Single Pile and Terminative Jacking Force for Jacked Pipe Pile Subjected to Static Loading used in Hefei Lakeside New District[J].Journal of Experimental Mechanics,2015,30(4):523-528. |
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| Authors: | SHAO Yan XING Wei-zhong WEI Yuan and ZHAI Chao-jiao |
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| Institution: | Department of Civil Engineering, Anhui Jianzhu University, Hefei 230601, Anhui, China;Department of Civil Engineering, Anhui Jianzhu University, Hefei 230601, Anhui, China;Department of Civil Engineering, Anhui Jianzhu University, Hefei 230601, Anhui, China;Department of Civil Engineering, Anhui Jianzhu University, Hefei 230601, Anhui, China |
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| Abstract: | |
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| Keywords: | prestress high concrete (PHC) pile load experiment ultimate bearing capacity of single pile terminative jacking force length to diameter ratio |
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