震后给水管网服务性能的模糊评价方法
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摘要
基于震后城市给水管网水力分析模型和给水管网系统服务性能准则,引入模糊数学的理论与方法,以管网节点水压和流量为评判指标,建立了震后给水管网系统服务性能的二级模糊综合评判模型.根据水压和流量的服务性能等级划分构造了单因素指标的梯形隶属函数,通过加权平均型评判模型和最大隶属度原则对管网进行综合评定,实现了地震对给水管网服务性能影响的量化评价.对一给水管网的综合评价分析结果表明,该方法可较为全面、客观地评价震后管网服务性能的优劣水平,具有一定的实用价值.
Based on hydraulic analysis model and serviceability criterion of the post-earthquake water supply network,fuzzy mathematical theoy and method were introduced,and by taking nodal pressure and flow as evaluat-ing indicators,a two-level fuzzy comprehensive evaluation model was built to assess the influence.According to the serviceability step scale of nodal pressure and flow,the trapezoidal membership function of each index was consti-tuted,and the comprehensive assessment of the network were then performed through weighted average model and maximum membership grade principle,which led to the realization of the quantized evaluation of seismic service-ability of the network.Efficiency and utility of the proposed method were illustrated by applying it to an example net-work.
Based on hydraulic analysis model and serviceability criterion of the post-earthquake water supply network,fuzzy mathematical theoy and method were introduced,and by taking nodal pressure and flow as evaluat-ing indicators,a two-level fuzzy comprehensive evaluation model was built to assess the influence.According to the serviceability step scale of nodal pressure and flow,the trapezoidal membership function of each index was consti-tuted,and the comprehensive assessment of the network were then performed through weighted average model and maximum membership grade principle,which led to the realization of the quantized evaluation of seismic service-ability of the network.Efficiency and utility of the proposed method were illustrated by applying it to an example net-work.
引文
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[8]张春宇,高燕希,蒋明锋,等.二级模糊综合评判在公路边坡稳定性分析中的应用[J].公路工程,2008,33(5):109-113.Zhang Chunyu,Gao Yanxi,Jiang Mingfeng,et al.Application of two-level fuzzy judging on highway-slop stabil-ity analysis[J].Highway Engineering,2008,33(5),109-113(in Chinese).
[9]曹国栋,何芳,肖丹.城市供水管网服务压力的评价方法[J].供水技术,2007,1(2):28-31.Cao Guodong,He Fang,Xiao Dan.Evaluation methodfor service pressure in urban water supply network[J].Water Supply Technique,2007,1(2):28-31(in Chinese).
[10]王强.供水管网科学调度决策支持系统理论和应用研究[D].上海:同济大学环境科学与工程学院,2006.Wang Qiang.Study on Theory and Application of Scien-tific Operational Decision Support System of Water Dis-tribution Networks[D].Shanghai:School of Environ-mental Science and Engineering,Tongji University,2006(in Chinese).
[11]柳春光,张安玉.供水管网地震功能的失效分析[J].工程力学,2007,24(3):142-146.Liu Chunguang,Zhang Anyu.Seismic performanceanalysis on water supply network[J].Engineering Me-chanics,2007,24(3):142-146(in Chinese).
[2]王彩华,宋连天.模糊论方法学[M].北京:中国建筑工业出版社,1988.Wang Caihua,Song Liantian.Fuzzy Theory and Method-ology[M].Beijing:China Architectural Industry Press,1988(in Chinese).
[3]伍悦滨,袁一星,高金良.给水管网系统性能的评价方法[J].中国给水排水,2003,19(4):23-25.Wu Yuebin,Yuan Yixing,Gao Jinliang.Evaluationmethod of water supply network′s performance[J].China Water and Wastewater,2003,19(4):23-25(in Chi-nese).
[4]李昕.供水系统地震可靠性分析[D].大连:大连理工大学土木水利学院,2000.Li Xin.Seismic Reliability Analysis on Water SupplyPipeline System[D].Dalian:School of Civil and Hy-draulic Engineering,Dalian University of Technology,2000(in Chinese).
[5]Tan R Y,Chen S M.The performance of water transmis-sion systems under seismic loadings[J].Soil Dynamicsand Earthquake Engineering,1987,6(3):149-157.
[6]孙会.对城市供水管网水力水质分析方法的研究[D].大连:大连理工大学土木水利学院,2006.Sun Hui.Research on the Methods of Hydraulic Calcula-tion and Water Quality Analysis of Urban Water SupplyNetwork[D].Dalian:School of Civil and Hydraulic En-gineering,Dalian University of Technology,2006(in Chi-nese).
[7]上海市建设和交通委员会.GB 50013—2006室外给水设计规范[S].北京:中国计划出版社,2006.Construction and Transportation Committee of Shanghai.GB 50013—2006 Code for design of outdoor water sup-ply engineering[S].Beijing:China Planning Press,2006(in Chinese).
[8]张春宇,高燕希,蒋明锋,等.二级模糊综合评判在公路边坡稳定性分析中的应用[J].公路工程,2008,33(5):109-113.Zhang Chunyu,Gao Yanxi,Jiang Mingfeng,et al.Application of two-level fuzzy judging on highway-slop stabil-ity analysis[J].Highway Engineering,2008,33(5),109-113(in Chinese).
[9]曹国栋,何芳,肖丹.城市供水管网服务压力的评价方法[J].供水技术,2007,1(2):28-31.Cao Guodong,He Fang,Xiao Dan.Evaluation methodfor service pressure in urban water supply network[J].Water Supply Technique,2007,1(2):28-31(in Chinese).
[10]王强.供水管网科学调度决策支持系统理论和应用研究[D].上海:同济大学环境科学与工程学院,2006.Wang Qiang.Study on Theory and Application of Scien-tific Operational Decision Support System of Water Dis-tribution Networks[D].Shanghai:School of Environ-mental Science and Engineering,Tongji University,2006(in Chinese).
[11]柳春光,张安玉.供水管网地震功能的失效分析[J].工程力学,2007,24(3):142-146.Liu Chunguang,Zhang Anyu.Seismic performanceanalysis on water supply network[J].Engineering Me-chanics,2007,24(3):142-146(in Chinese).
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