[1]刘 华,牛富俊,牛永红,等.基于模糊数学的寒区高速铁路路基稳定性评价及应用分析[J].西安建筑科技大学学报:自然科学版,2014,(03):367-375.[doi:10.15986/j.1006-7930.2014.03.011]
 LIU Hua,NIU Fujun,NIU Yonghong,et al.Comprehensive evaluation on stability of roadbed of high-speed railway in seasonal frozen regions based on fuzzy mathematic[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2014,(03):367-375.[doi:10.15986/j.1006-7930.2014.03.011]
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基于模糊数学的寒区高速铁路路基稳定性评价及应用分析()
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西安建筑科技大学学报:自然科学版[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2014年03期
页码:
367-375
栏目:
出版日期:
2014-06-30

文章信息/Info

Title:
Comprehensive evaluation on stability of roadbed of high-speed railway in seasonal frozen regions based on fuzzy mathematic
文章编号:
1006-7930(2014)03-0367-09
作者:
刘 华1牛富俊23牛永红2许 健1
(1.西安建筑科技大学土木工程学院,陕西 西安 710055; 2.中国科学院寒区旱区环境与工程研究所冻土工程国家重点实验室,甘肃 兰州 730000; 3.中交第一公路勘察设计院多年冻土区公路建设与养护技术交通行业重点实验室,陕西 西安 710068)
Author(s):
LIU Hua1NIU Fujun23NIU Yonghong2XU Jian1
(1. School of Civil Engineering, Xian Univ. of Arch. & Tech., Xi’an,710055; 2 State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute ,Chinese Academy of Sciences, Lanzhou,730000,China;3. Key Laboratory of Highway Construction and Maintenance Technology in Permafrost Region Ministry of Transport, CCCC First Highway Consultants CO. LTD , Xi’an,710068)
关键词:
季节性冻土哈大客运专线路基稳定性安全可靠度层次分析法模糊综合评价
Keywords:
seasonal frozen ground Harbin to Dalian passenger dedicated line (HDPDL)roadbed stability of high-speed railway safety reliability analytic hierarchy process fuzzy synthetic evaluation
分类号:
U412.36+;U492
DOI:
10.15986/j.1006-7930.2014.03.011
文献标志码:
A
摘要:
新建哈尔滨至大连客运专线是我国寒区第一条建设运营的高速铁路,其社会经济意义十分突出.为实现对寒区高速 铁路路基稳定性问题的多因素量化评价,应用模糊数学理论提出了寒区高铁路基稳定性模糊综合评判方法.基于可代表性和易操作性的原则从路基土体填料、工程条件、水力环境、热力条件以及地质地貌单元确立了5个一级因素指标和16个二级因素指标,采用层次分析法分配各因素指标的权重,并应用模糊统计法和专家评分法对各个因素指标按稳定性等级进行量化分级并赋值,最后基于安全可靠度原理并考虑各个影响因素之间的关系,提出了综合评价方法.应用该方法评价的哈大高铁无碴轨道路基长春西试验段路基稳定性可靠度为0.889 7,评价体系按照加权平均法最终得分为72.902分,显示出路基处在较稳定的状态,取得了与工程实际相一致的评判结果.由此表明:采用模糊综合评判的方法评价寒区高速铁路路基的稳定性具有合理性和可操作性,为寒区高速铁路路基设计和运营管理提供理论支持.
Abstract:
Harbin to Dalian Passenger Dedicated Line (HDPDL) is the first high-speed railway for construction and operation in cold regions in China, which have prominent social and economic significance. To realize the multi-factors quantitative evaluation on the roadbed stability in high-speed railway in seasonal frozen regions,a fuzzy comprehensive evaluation method is proposed on the basis of the theory of fuzzy mathematics. Based on the principle of operability and representativeness, five primary factors and sixteen secondary factors are established, containing the roadbed fillings 、the engineering conditions、the hydraulic environment, the heat environment and the geological and geomorphologic unit. The analytic hierarchy process (AHP) is used to distribute rational weight for every factor, a comprehensive evaluation system is constructed where factors are quantitatively graded according to five stability grades by using fuzzy statistical method and experts grading method,to analyze the conformation of membership function of every factor. And the fuzzy synthetic evaluation method is advanced based on the safety reliability. By applying the method the stability reliability of Changchun West test roadbed was 0.889 7, and according to the weighted average method evaluation the whole system, the final score was 72.902 points, which showed the roadbed was in a stable state. Comparing the test project in Changchun site,a satisfying evaluation result consistent with engineering reality is achieved. Fuzzy comprehensive evaluation method proves to be rational and operable for evaluating the roadbed stability in high-speed railway in cold regions,which therefore provides theoretical support for design methods and operation.

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备注/Memo

备注/Memo:
收稿日期:2013-09-02 修改稿日期:2014-04-13
基金项目:国家自然科学基金青年科学基金项目(51208409);冻土工程国家重点实验室自主立项课题(SKLFSE-ZY-15);西安建筑科技大学校人才科技基 金项目(RC1363)
作者简介:刘华(1983-),男,博士,讲师,主要从事寒区岩土工程方面的研究. E-mail: qyxuan911@163.com
更新日期/Last Update: 2015-09-01