[1]涂帆,常方强.地基稳定的可靠性分析[J].华侨大学学报(自然科学版),2005,26(3):271-274.[doi:10.3969/j.issn.1000-5013.2005.03.012]
　Tu Fan,Chang Fangqiang.Reliability Analysis of Foundation Stability[J].Journal of Huaqiao University(Natural Science),2005,26(3):271-274.[doi:10.3969/j.issn.1000-5013.2005.03.012]
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地基稳定的可靠性分析()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第26卷
期数:
2005年第3期
页码:
271-274
栏目:
出版日期:
2005-07-20

文章信息/Info

Title:
Reliability Analysis of Foundation Stability
文章编号:
1000-5013(2005)03-0271-04
作者:
涂帆; 常方强
华侨大学土木工程学院; 华侨大学土木工程学院 福建泉州362021; 福建泉州362021
Author(s):
Tu Fan;  Chang Fangqiang
College of Civil Engineering, Huaqiao University, 362021, Quanzhou, China
关键词:
地基稳定;  可靠性;  一次二阶矩;  置信区间
Keywords:
foundation stability;  reliability;  first-order second moment;  confidence interval
分类号:
TU470.3
DOI:
10.3969/j.issn.1000-5013.2005.03.012
文献标志码:
A
摘要:
依据可靠性的一次二阶矩理论,验算地基承载力和沉降这两个方面的问题.分析土内聚力和内摩擦角的变异性,及此二者的互相关性对地基承载力可靠性的影响.计算地基沉降大于允许值的概率,以及某一概率下地基沉降的置信区间.与常规的定值法相比,可靠性法可以反映土参数的不确定性对地基稳定的影响,并能定量地给出不同破坏模式下的可靠度.它有助于对地基的认识和评价,也使可靠性法考虑的因素更全面,结果更合理.
Abstract:
The checking computations of foundation reliability, including bearing capacity and settlement, is conducted on the basis of the theory of first-order second moment. The authors analyse the effect of the variability of soil cohesion and internal friction angle, as well as their cross-correlation on the reliability of ground bearing capacity; and calculate the probability of ground setllement above allowance, and the confidence interval of ground setllement under a given probability. As compared with the conventional method of definite value, the method of reliability is able to reflect the effect of uncertainty of soil parameters on foundation stability, and is also able to give quantitatively the reliability under different failure modes. The method of reliability is conducive to recognition and evaluation of the foundation. It takes even more comprehensive factors into account and leads to even more reasonable results.

参考文献/References:

[1] 涂帆. 挡土墙的可靠度分析 [A]. 武汉:武汉测绘科技大学出版社, 1997.138-141.
[2] 赵明华. 土力学与基础工程 [M]. 武汉:武汉工业大学出版社, 2000.127-128.
[3] 吴世明, 杨挺. 岩土工程新技术 [M]. 北京:中国建筑工业出版社, 2001.169-170.
[4] 中国建筑科学研究院. GB 50007-2002.建筑地基基础设计规范 [S]. 北京:中国建筑工业出版社, 2002.25-29.
[5] 包承纲, 吴天行. 多层地基沉降的概率分析--地基工程可靠分析方法研究 [M]. 武汉:武汉测绘科技大学出版社, 1997.159-168.
[6] 茜平一, 陈晓平. 天然地基承载力可靠度研究 [J]. 岩土力学, 1996, (2):41-45.doi:10.3969/j.issn.1000-7598.1999.02.009.
[7] 常方强, 涂帆. 加筋土挡墙的可靠性分析 [J]. 工业建筑, 2005(1):53-55.doi:10.3321/j.issn:1000-8993.2005.01.017.

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备注/Memo

备注/Memo:
华侨大学高层次人才科研启动基金资助项目(02BS204)
更新日期/Last Update: 2014-03-23