| 粘性土地基固结的空间概率特性 |
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| 引用本文： | 谢康和,李小勇,虞颜. 粘性土地基固结的空间概率特性[J]. 浙江大学学报(工学版), 2002, 36(5): 588-590 |
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| 作者姓名： | 谢康和 李小勇 虞颜 |
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| 作者单位： | 浙江大学土木工程系 浙江杭州310027(谢康和，李小勇)，衢州市交通设计院 浙江衢州324002(虞颜) |
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| 摘 要： | 研究了固结系数的空间概率特性及其对固结度的影响 .根据一维实的齐次随机场和随机积分的概率方法 ,对两个地区固结系数的自相关性和空间变异性进行了统计 ,探讨了自相关函数形式的选择 ,进而分析了粘性土地基固结度对固结系数的空间概率特性的敏感性 .结果表明方差折减系数对于自相关函数的选取不敏感 ,固结系数的相关距离对固结度的敏感性很弱 .
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| 关 键 词： | 固结系数 固结度 空间变异性 概率设计 |
| 文章编号： | 1008-973X(2002)05-0588-03 |
| 修稿时间： | 2001-01-08 |
Spatial probabilistic characteristics of consolidation for clayey subgrade |
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| XIE Kang he ,LI Xiao yong ,YU Yan. Spatial probabilistic characteristics of consolidation for clayey subgrade[J]. Journal of Zhejiang University(Engineering Science), 2002, 36(5): 588-590 |
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| Authors: | XIE Kang he LI Xiao yong YU Yan |
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| Affiliation: | XIE Kang he 1,LI Xiao yong 1,YU Yan 2 |
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| Abstract: | The influence of the spatial probabilistic characteristics of the coefficient of consolidation on the degree of consolidation was investigated. Based on the probabilistic methods of one dimensional real homogeneous Gaussion random field and random integral, the auto correlation and the spatial variability of the coefficient of consolidation were compiled statistically for two districts, and sensitivity analysis of the degree of consolidation to the coefficient of consolidation was made for clayey subsoils. Simulation the auto correlation function with different mathematical functions showed that the sensitivity of the reduction factor of variance to different auto correlation functions and the degree of consolidation to the correlation distance of the coefficient of consolidation is very weak. |
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| Keywords: | coefficient of consolidation degree of consolidation spatial variability probabilistic design |
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