Reliability Research Based on Node of Existing Sewer System

doi:10.3969/j.issn.1674-0696.2012.06.40

Journal of Chongqing Jiaotong University(Natural Science) ›› 2012, Vol. 31 ›› Issue (6): 1264-1268.DOI: 10.3969/j.issn.1674-0696.2012.06.40

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Reliability Research Based on Node of Existing Sewer System

Zhao Zicheng^1,2，Yu Huaqian¹

1. School of Civil Engineering，Southwest Jiaotong University，Chengdu 610031，Sichuan，China; 2. China Railway Eryan Engineering Group Co. ，Ltd. ，Chengdu 610031，Sichuan，China

Received:2012-11-29 Revised:2012-03-15 Online:2012-12-15 Published:2014-10-31

基于节点的既有雨水管网系统可靠度研究

赵子成^1,2，禹华谦¹

1. 西南交通大学土木工程学院，四川成都610031; 2. 中国中铁二院工程集团有限责任公司，四川成都610031

作者简介:赵子成(1986—)，男，四川巴中人，硕士研究生，主要从事给排水方面的研究。E-mail:514658480@qq.com。
基金资助:
中央高校基本科研业务费专项基金项目( SWJTU11CX009)

Abstract

Abstract: Reliability theory of structures was carried out in the beginning of the existing storm sewer system node． And the influence of the uncertain factors were analyzed，which included node water carrying capacity of upstream and downstream pipe diameter d，roughness n，hydraulic gradient J，the calculating model NR of and the water flow q that flowed into the nodes． Monte-Carlo method was utilized to define the node reliability，and finally to identify the reliability of existing network in a way of the narrow bound method under a tandem structure model．

Key words: existing storm water pipe network, uncertainty, Monte-Carlo method, narrow limits law, reliability

摘要： 采用结构可靠度理论，从既有雨水管网系统节点出发，分析了影响节点上下游输水能力的管径d、粗糙度n、水力坡度J、计算模型NR 以及汇入节点处的雨水流量q 的不确定性因素; 使用Monte-Carlo 法确定节点处的可靠度; 采用串联结构模型窄界限法确定出既有管网的可靠度。

关键词: 既有雨水管网, 不确定性, Monte-Carlo 法, 窄界限法, 可靠度

CLC Number:

TU823.3

Zhao Zicheng，Yu Huaqian. Reliability Research Based on Node of Existing Sewer System[J]. Journal of Chongqing Jiaotong University(Natural Science), 2012, 31(6): 1264-1268.

赵子成，禹华谦. 基于节点的既有雨水管网系统可靠度研究[J]. 重庆交通大学学报（自然科学版）, 2012, 31(6): 1264-1268.

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Reliability Research Based on Node of Existing Sewer System

基于节点的既有雨水管网系统可靠度研究

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