中低速磁浮交通系统工程造价优化
王向灿邱冰戴旺邓娟红杨朝琴
Project Cost Optimization of Medium-low Speed Maglev Transit System
WANG XiangcanQIU BingDAI WangDENG JuanhongYANG Chaoqin
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作者信息:湖南省交通规划勘察设计院有限公司, 410200, 长沙
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Affiliation:Hunan Provincial Communications Planning, Survey & Design Institute Co., Ltd., 410200, Changsha, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2023.06.029
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中图分类号/CLCN:F530.31: U237
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栏目/Col:应用技术
摘要:
目前我国中低速磁浮交通建设项目较少,设计经验相对薄弱,在设计过程中造价往往难以控制。针对中低速磁浮交通项目,做到既满足项目功能需求又能达到造价最优是业界面临的难题。依托我国某中低速磁浮项目,对该项目中造价控制的主要影响因素进行全面分析。结合中低速磁浮交通的特征,从不同线路敷设方式、车站站间距、车站规模、区间桥梁结构、轨道工程、机电系统、车辆基地等方面通过对比提出优化措施,形成一套系统的工程造价控制参考体系。结果表明:通过合理确定站间距、增加路基敷设长度,以及控制车站规模能有效降低工程造价;桥梁墩柱尺寸优化及并置轨道梁的选用可节约大量建筑材料;竞争性招投标,以及标准化、模块化的轨排研究与设计是轨道工程造价控制的关键;机电系统设计中应充分运用价值工程的理念;应对车辆基地总平面及竖向布置设计进行有效优化。
Abstracts:
Currently, China has relatively few medium-low speed maglev transit construction projects, causing relative lack of design experience, and difficulty in cost control through design process. For medium-low speed maglev transit project, how to meet project function demands with optimal cost is an industry-wide challenge. Based on a medium-low speed maglev transit project in China, the main influencing factors of cost control in the project are comprehensively analyzed. Considering characteristics of medium-low speed maglev transit, optimization measures are proposed from different aspects such as different line laying modes, station spacing, station size, interval bridge structure, track engineering, electromechanical system and vehicle base, forming a systematic reference system for cost control. Results show that measures including reasonable station spacing, increasing subgrade laying length, and controlling station size can effectively lower project construction cost; bridge pier size optimization and selection of parallel track beams can save a significant amount of building materials; competitive bidding, standardized and modularized track design are key factors in controlling the cost of track engineering; the concept of value engineering should be fully utilized in electromechanical system design; and vehicle base layout design should be optimized in both general layout and vertical arrangement.
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