基于可靠度的单轨道交通施工区建设方案优化

交通运输系统工程与信息 ›› 2017, Vol. 17 ›› Issue (5): 250-256.

• 案例分析 • 上一篇

基于可靠度的单轨道交通施工区建设方案优化

李岩*^{1, 2}，周文辉²，南斯睿²，陈宽民²

1. 中交第一公路勘察设计研究院，西安710075；2. 长安大学公路学院，西安710064

收稿日期:2017-03-17 修回日期:2017-04-27 出版日期:2017-10-25 发布日期:2017-10-30
作者简介:李岩(1983-)，男，河北衡水人，副教授，博士.
基金资助:
国家自然科学基金/ National Natural Science Foundation of China(51408049)；中国博士后科学基金/ China Postdoctoral Science Foundation Funded Project(2016M590914)；陕西省自然科学基础研究计划项目/ Natural Science Basic Research Plan in Shaanxi Province(2015JQ5167)；陕西省博士后科研项目/ Shaanxi Postdoctoral Science Research Project (2016BSHEDZZ134)；中央高校基本科研业务经费专项资金/ Fundamental Research Funds for the Central Universities (310821161011, 310821172202).

Reliability Based Optimization of Construction Arrangement for Single Rail Transit Work Zone

LI Yan^{1, 2}，ZHOUWen-hui²，NAN Si-rui²，CHEN Kuan-min ²

1. CCCC First Highway Consultants Co., LTD, Xi’an 710075, China; 2. School of Highway, Chang’an University, Xi’an 710064, China

Received:2017-03-17 Revised:2017-04-27 Online:2017-10-25 Published:2017-10-30

摘要/Abstract

摘要：

为降低城市轨道施工对交通流的影响，建立了基于可靠度的施工区形式及建设时序综合优化模型.施工区的规定阈值时间与实际行程时间之差大于零的概率为可靠度，分别建立交叉口及路段施工区的可靠度模型.定义可靠度与施工时长之积为施工效率系数，以全施工周期效率系数折减最少为目标，建立施工区建设方案综合优化模型，优化施工区形式及建设时序.西安市轨道交通汉城南路站方案的测试结果表明，施工区形式及建设时序会使道路交通可靠度产生不同程度的折减.该方法可为城市轨道交通施工方案的制订提供理论依据.

关键词: 系统工程, 轨道交通施工区, 建设方案优化, 可靠度, 施工区形式, 建设时序

Abstract:

A reliability based comprehensive optimization model on work zone form and construction sequence of urban rail transit is established to minimize the influence on road traffic flow. The reliability can then be obtained by calculating the probability when the difference between travel time at the work zone and a specified threshold interval is greater than zero. The reliability models for intersection part and road segment part of the work zone can be established respectively. The efficiency coefficient of the work zone can be defined as the product of reliability and construction duration. The work zone form and construction sequence can be optimized by minimizing the reduction of efficiency coefficient for whole construction cycle using the proposed model. The experimental results on Hanchengnan Rd Station of Xi’an Metro indicate that the reliability of traffic flow at the work zone will change by applying various scenarios of work zone form and construction sequence. The conclusions can provide theoretical basis on formulation of construction arrangement of urban rail transit.

Key words: systems engineering, work zone of urban rail transit, optimization of construction arrangements, reliability, work zone form, construction sequence

中图分类号:

U491

李岩，周文辉，南斯睿，陈宽民. 基于可靠度的单轨道交通施工区建设方案优化[J]. 交通运输系统工程与信息, 2017, 17(5): 250-256.

LI Yan，ZHOUWen-hui，NAN Si-rui，CHEN Kuan-min. Reliability Based Optimization of Construction Arrangement for Single Rail Transit Work Zone[J]. Journal of Transportation Systems Engineering and Information Technology, 2017, 17(5): 250-256.

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链接本文: http://www.tseit.org.cn/CN/abstract/abstract19511.shtml

http://www.tseit.org.cn/CN/Y2017/V17/I5/250

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基于可靠度的单轨道交通施工区建设方案优化

Reliability Based Optimization of Construction Arrangement for Single Rail Transit Work Zone

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