武汉理工大学学报(交通科学与工程版)
武漢理工大學學報(交通科學與工程版)
무한리공대학학보(교통과학여공정판)
JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY(TRANSPORTATION SCIENCE & ENGINEERING)
2015年
3期
501-505
,共5页
道路工程%可拓理论%公路网规划%方案评价
道路工程%可拓理論%公路網規劃%方案評價
도로공정%가탁이론%공로망규화%방안평개
road works%extension theory%highway network planning%program evaluation
为避免公路网规划方案评价中众多评价指标间的矛盾性,以及难以定量化等问题,以可拓理论为基础,选择公路网连通度、理想规模接近度、饱和度、里程拥挤率、经济效益费用比、内部收益率和社会环境影响7个指标作为评价指标体系,构建公路网规划方案可拓评价模型。运用简单关联函数确定指标权重,计算公路网各项指标的综合关联度及级别偏向特征值,对方案进行评价。以山东省公路网规划方案为例,对模型进行了验证。结果表明,可拓评价方法能够有效区分方案的优劣程度,采用可拓方法所得的结果比实例中层次‐关联分析法更贴近实际。
為避免公路網規劃方案評價中衆多評價指標間的矛盾性,以及難以定量化等問題,以可拓理論為基礎,選擇公路網連通度、理想規模接近度、飽和度、裏程擁擠率、經濟效益費用比、內部收益率和社會環境影響7箇指標作為評價指標體繫,構建公路網規劃方案可拓評價模型。運用簡單關聯函數確定指標權重,計算公路網各項指標的綜閤關聯度及級彆偏嚮特徵值,對方案進行評價。以山東省公路網規劃方案為例,對模型進行瞭驗證。結果錶明,可拓評價方法能夠有效區分方案的優劣程度,採用可拓方法所得的結果比實例中層次‐關聯分析法更貼近實際。
위피면공로망규화방안평개중음다평개지표간적모순성,이급난이정양화등문제,이가탁이론위기출,선택공로망련통도、이상규모접근도、포화도、리정옹제솔、경제효익비용비、내부수익솔화사회배경영향7개지표작위평개지표체계,구건공로망규화방안가탁평개모형。운용간단관련함수학정지표권중,계산공로망각항지표적종합관련도급급별편향특정치,대방안진행평개。이산동성공로망규화방안위례,대모형진행료험증。결과표명,가탁평개방법능구유효구분방안적우렬정도,채용가탁방법소득적결과비실례중층차‐관련분석법경첩근실제。
To avoid the contradiction of highway network planning and evaluation the extension theory , choosing the road network connectivity ,the ideal size of proximity ,saturation ,crowded mileage rate , economic cost ratio ,internal rate of return and the social and environmental impacts seven indicators as the evaluation index system ,highway network planning extension evaluation model is constructed . Using simple correlation function to determine the index weight ,calculate the road network and the level of overall correlation characteristic values of the indicators of bias the quantitative indicators , which evaluate the program .Shandong provincial highway network planning ,for example ,the model is validated and run with highway network status indicators are compared ,results show that the ex‐tension evaluation method can effectively distinguish scheme superiority ,the results of the extension evaluation method is closer to reality than the level‐relational analysis .