| 柔性桩复合地基的系统可靠性分析方法研究 |
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| 引用本文： | 秦建庆,陈建峰.柔性桩复合地基的系统可靠性分析方法研究[J].岩土力学,2006,27(4):621-624. |
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| 作者姓名： | 秦建庆 陈建峰 |
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| 作者单位： | 1. 拜耳上海一体化基地技术管理部，上海 201507；2. 同济大学 地下建筑与工程系，上海 200092 |
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| 摘 要： | 运用系统可靠度理论，根据柔性桩复合地基分别按承载力设计和变形控制设计的不同计算方法，将复合地基整体系统分为复合地基承载力子系统、变形子系统、差异变形子系统，分别进行可靠性分析，并计算整体系统失效概率。提出了复合地基的系统可靠性分析方法，为复合地基的优化设计提供了一种思路。
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| 关 键 词： | 复合地基 概率极限状态 承载力 变形 系统可靠性 |
| 文章编号： | 1000-7598-（2006）04-0621-04 |
| 收稿时间： | 2004-06-30 |
| 修稿时间： | 2004-10-22 |
Study on system reliability analysis method for composite foundation improved by flexible piles |
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| QIN Jian-qing,CHEN Jian-feng.Study on system reliability analysis method for composite foundation improved by flexible piles[J].Rock and Soil Mechanics,2006,27(4):621-624. |
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| Authors: | QIN Jian-qing CHEN Jian-feng |
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| Institution: | 1. Department of Technical Management, Bayer Integrated Site Shanghai, Shanghai 201507, China; 2. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China |
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| Abstract: | Based on bearing capacity and settlement control design methods for composite foundation improved by flexible piles, as well as the system reliability analysis theory, the system of reliability analysis for composite foundation can be divided into three sub-systems; that are bearing capacity sub-system, settlement sub-system and settlement difference sub-system. The system probability of failure for composite foundation can be obtained by calculating that of three sub-systems respectively. It provides a method of system reliability analysis for composite foundations. |
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| Keywords: | composite foundation probabilistic limit state bearing capacity settlement system reliability |
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