| 土性平稳随机场的空间统计特性分析 |
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| 引用本文： | 朱登峰,高大钊. 土性平稳随机场的空间统计特性分析[J]. 岩土力学, 2003, 24(3): 455-457 |
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| 作者姓名： | 朱登峰 高大钊 |
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| 作者单位： | 同济大学地下建筑与工程系 上海 200092； |
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| 摘 要： | 阐明了平稳随机场的空间统计特性,根据平稳随机场各态历经性概念,讨论了土层满足各态历经性的条件,以及计算空间平均方差和相关距离的公式。并结合工程实例,分析了空间平均方差计算的影响因素。
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| 关 键 词： | 随机过程 各态历经性 自相关函数 相关距离 空间平均方差 |
| 文章编号： | 1000-7598-(2003)03-0455-04 |
| 收稿时间： | 2002-03-18 |
Space statistical characteristics analysis of smooth stochastic field of soil characteristics |
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| ZHU Deng-feng,GAO Da-zhao. Space statistical characteristics analysis of smooth stochastic field of soil characteristics[J]. Rock and Soil Mechanics, 2003, 24(3): 455-457 |
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| Authors: | ZHU Deng-feng GAO Da-zhao |
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| Affiliation: | Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China |
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| Abstract: | The space statistical characteristics of a smooth stochastic field are elaborated. On the basis of concept of smooth stochastic field ergodicity, conditions that soil strata are satisfied with ergodicity are discussed; and equations of calculating space mean variance and correlative distance are deduced. Finally, the influential factors of calculating space mean variance are analyzed combined with a static cone penetration data. |
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| Keywords: | stochastic process ergodicity correlative function correlative distance space mean variance |
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