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| 初始孔压均布的饱和土一维热固结解析解 | |
| 引用本文： | 吴瑞潜,谢康和,程永锋,蔡新.初始孔压均布的饱和土一维热固结解析解[J].科技通报,2009,25(1). |
| 作者姓名： | 吴瑞潜 谢康和 程永锋 蔡新 |
| 作者单位： | 1. 浙江大学,软弱土与环境土工教育部重点实验室,杭州,310027;绍兴文理学院土木系,浙江,绍兴,312000 2. 浙江大学,软弱土与环境土工教育部重点实验室,杭州,310027 3. 国网北京电力建设研究院,北京,102401 |
| 摘 要： | 基于热弹性力学和饱和土固结理论,通过热固结方程的建立和求解,研究了饱和土的一维热固结问题.利用有限Fourier变换及其逆变换,得到土层内部超静孔压、温度增量的解析解,并依此求出地基沉降、平均固结度的表达式.根据所得解编制了计算程序,分析了饱和土的一维热固结性状,并与Terzaghi解进行了比较.结果表明,超静孔压随时间延长最终消散为零,但在热同结过程中可能会产生负孔压;地基沉降受温度影响而减小;平均固结度按变形定义和按孔压定义是不同的:热扩散系数与同结系数的比值的大小对热同结性状有重要影响. |
| 关 键 词： | 饱和土 热固结 有限Fourier变换 解析解 |
Analytical Solution for One-dimensional Thermal Consolidation of Saturated Soil with Uniform Initial Excess Pore-water Pressure Distribution |
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| WU Ruiqian,XIE Kanghe,CHENG Yongfeng,CAI Xin.Analytical Solution for One-dimensional Thermal Consolidation of Saturated Soil with Uniform Initial Excess Pore-water Pressure Distribution[J].Bulletin of Science and Technology,2009,25(1). | |
| Authors: | WU Ruiqian XIE Kanghe CHENG Yongfeng CAI Xin |
| Institution: | 1.MOE Key Laboratory of Soft Soils and Geoenvironmental Engineering;Ministry of Education;Zhejiang University;Hangzhou 310027;China;2.Departmentment of Civil Engineering;Shaoxing College of Arts and Sciences;Shaoxing 312000;3.Beijing Electric Power Construction Research Institute of SGCC;Beijing 102401;China |
| Abstract: | Based on the thermoelasticity mechanics and the consolidation theory of saturated soil,problems of one-dimensional thermal consolidation of saturated soil were investigated theoretically by establishing and solving the thermal consolidation equations.The analytical solutions of excess pore water pressure,temperature increase were derived by the way of finite Fourier transform and its inverse transform,and the expressions of settlement,average consolidation degree were also given.A relevant computer program ... |
| Keywords: | saturated soil thermal consolidation finite Fourier transform analytical solution |
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