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机构地区:[1]中铁二院成都勘察设计研究院有限责任公司,四川成都610031 [2]不详
出 处:《四川建材》2016年第2期169-173,175,共6页Sichuan Building Materials
摘 要:任何线路/站点选择的目标都是找出在预想的条件下满足预期标准的最佳位置。在这个过程中,对于多个准则下空间坐标数据的处理是正确决策的关键。传统的地理信息系统(GIS)被当做有用的决策技术,但是并不能处理复杂多因素决策。如果一个基于GIS的系统可以正确的结合空间多目标决策分析(SMCA)技术,就能把地理信息数据转化到决策中去。本文建立了层次决策模型树来对各种工程、经济、制度、社会和环境目标进行优化排序。本文还对城市地铁线路/站点的选择过程进行了说明性的研究。The goal in any route / site selection problem is to find the best location with desired conditions that meet predetermined selection criteria. In such a process,manipulation of spatial data of multiple criteria is essential to the success of the decision making. Conventional geographic information systems( GIS),while recognized as useful decision support technologies,do not provide the means to handle multiple decision factors. A GIS- based system,however,appropriately combined with spatial multi- criteria decision analysis( SMCA) techniques may become to be capable of transforming the geographical data into a decision. A hierarchical decision tree model is developed to join and prioritize the diverse engineering,economical,institutional,social and environmental objectives. An illustrative study of a metro- rail route / site selection process of an urban transportation project is also presented.
分 类 号:U231[交通运输工程—道路与铁道工程]
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