路堤稳定性可靠度及目标可靠指标确定的探讨 |
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引用本文: | 刘浪.路堤稳定性可靠度及目标可靠指标确定的探讨[J].重庆交通大学学报(自然科学版),2004,23(6):74-77. |
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作者姓名: | 刘浪 |
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作者单位: | 重庆交通学院,管理学院,重庆,400074 |
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摘 要: | 确定路堤结构设计方法的目标可靠度是一个相当复杂的工程与经济相协调的问题.而校准法仅能从安全度和工程设计一方面确定目标可靠度,无法反映经济性一方面.所以建立公路使用年限内的以经济评价模式,引入可靠性优化方法对确定路堤结构的最优可靠度具有重要意义.本研究通过引入可靠性优化方法,建立公路使用年限内的路堤结构的费用现值作为目标函数来确定路堤结构的稳定设计最优目标可靠度.
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关 键 词: | 路堤结构 优化方法 可靠度 |
文章编号: | 1001-716X(2004)06-0074-04 |
修稿时间: | 2003年12月9日 |
Research on establishment of stability reliability and goal reliability of embankment |
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Abstract: | To decide the goal reliability of the method of embankment structure design is a very complicated problem, involving the balance of consideration in terms of engineering and economy. Calibration can only determine goal reliability from the point of security and engineering and fails to reflect economic factor. Hence the establishment of economic assessment mode within the service life of highway and the introduction of reliability optimization to determine embankment structure hole much significance. Through the introduction of reliability optimization, this research paper tries to establish a target function of cost of embankment structure within the highway抯 service life so as to determine the goal reliability of stability design of embankment structure. |
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Keywords: | embankment structure optimization reliability |
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