| 考虑碎石桩排水能力复合地基中孔压长消解析解 |
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| 引用本文： | 王武刚,闫澍旺,刘润,徐余.考虑碎石桩排水能力复合地基中孔压长消解析解[J].西北地震学报,2011,33(Z1). |
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| 作者姓名： | 王武刚 闫澍旺 刘润 徐余 |
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| 作者单位： | 1. 天津大学建筑工程学院,天津,300072
2. 天津市建筑设计院,天津,300074 |
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| 摘 要： | 由于地震作用时间较短,且碎石桩渗透能力和土体渗透能力相比并不是无限大,因此本文考虑碎石桩排水能力研究了碎石桩桩体材料由地震引起的孔压的长消规律。根据比奥固结理论综合考虑碎石桩的排水能力和相应的初始条件及边界条件,推导出了能够真实反映碎石桩排水减压作用在地震期超孔隙水压力产生、扩散、消散过程中的贡献作用的一般解析解公式。同时讨论了碎石桩渗透能力的不同对抗震液化的影响作用。
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| 关 键 词： | 碎石桩 排水能力 抗震液化 超孔隙水压力长消模式 解析解 |
Analytic Solution of Pore Pressure of Liquefiable Composite Foundation Considering Drainage Capacity of Gravel Drains |
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| WANG Wu-gang,YAN Shu-wang,LIU Run,XU Yu.Analytic Solution of Pore Pressure of Liquefiable Composite Foundation Considering Drainage Capacity of Gravel Drains[J].Northwestern Seismological Journal,2011,33(Z1). |
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| Authors: | WANG Wu-gang YAN Shu-wang LIU Run XU Yu |
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| Institution: | WANG Wu-gang1,YAN Shu-wang1,LIU Run1,XU Yu2(1.School of Civil Engineering,Tianjin University,Tianjin 300072,China,2.Tianjin Architects Design Institute,Tianjin 300074,China) |
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| Abstract: | Compared to the drainage capacity of soil,the drainage capacity of gravel drains is not infinite.Herein,the generation and dissipation rule of pore water pressure induced by earthquake in the gravel drains composite foundation is studied considering the drainage capacity of gravel drains.Based on the theory of Biot consolidation,a new analytic solution of excess pore water pressure during earthquake is deduced taking account of the drainage capacity,the initial and boundary condition of gravel drains,which ... |
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| Keywords: | Gravel drains Drainage capacity Liquefaction resistance Generation and dissipation of excess pore water pressure Analytic solution |
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