| 基于群桩-土体共同作用的长短桩复合地基沉降特性研究 |
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| 引用本文： | 王士革,陈哲,陈玲佩.基于群桩-土体共同作用的长短桩复合地基沉降特性研究[J].信阳师范学院学报(自然科学版),2012(4):564-568. |
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| 作者姓名： | 王士革 陈哲 陈玲佩 |
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| 作者单位： | 信阳师范学院土木工程学院;信阳市城乡规划设计院 |
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| 基金项目： | 河南省教育厅自然科学研究计划项目(2011A1301001) |
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| 摘 要： | 基于群桩-土体共同作用理论,建立了受力变形较符合实际的长短桩复合地基计算模型,并利用FLAC3D对所建立的模型进行计算分析,较真实地揭示了柔性基础下的群桩-土体共同作用的机理,得到了路堤分层填筑施工中长、短桩以及桩间土的沉降特性和规律.
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| 关 键 词： | 群桩-土体共同作用 沉降特性 数值计算 |
Research on the Settlement Characteristics of Composite Foundation with Long-Short Piles Based on Group Piles-Soil Interaction |
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| WANG Shi-ge,CHEN Zhe,CHEN Ling-pei.Research on the Settlement Characteristics of Composite Foundation with Long-Short Piles Based on Group Piles-Soil Interaction[J].Journal of Xinyang Teachers College(Natural Science Edition),2012(4):564-568. |
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| Authors: | WANG Shi-ge CHEN Zhe CHEN Ling-pei |
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| Institution: | 1.College of Civil Engineering,Xinyang Normal University,Xinyang 464000,China; 2.Urban Planning and Design Institute of Xinyang,Xinyang 464000,China) |
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| Abstract: | Based on the group piles-soil interaction theory,a realistic model of composite foundation with long-short piles under the flexible basis was established.The calculations and analysis were carried out by FLAC3D in some reasonable hypothesis conditions.The calculation results revealed the mechanism of group piles-soil interaction under embankment,and the settlement characteristics of soil between short piles,long-middle piles in placement in layers construction were obtained. |
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| Keywords: | group piles-soil interaction settlement characteristics numerical calculation |
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