|本期目录/Table of Contents|

[1]刘世铎,吴群琪.基于运输需求的公路网可达性研究[J].长安大学学报(社科版),2010,12(01):40-45.
　LIU Shi-duo,WU Qun-qi.Accessibility of highway network on the basis of transportation demand[J].Journal of Chang＇an University(Social Science Edition),2010,12(01):40-45.
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基于运输需求的公路网可达性研究(PDF)
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《长安大学学报（社科版）》[ISSN:1671-6248/CN:61-1391/C]

卷:
第12卷
期数:
2010年01期
页码:
40-45
栏目:
交通运输
出版日期:
2010-03-20

文章信息/Info

Title:
Accessibility of highway network on the basis of transportation demand
作者:
刘世铎; 吴群琪
长安大学 经济与管理学院,陕西 西安 71006
Author(s):
LIU Shi-duo;  WU Qun-qi
School of Economics and Management, Chang'an University, Xi'an 710064, Shaanxi, China
关键词:
路网可达性;  空间可达性;  运输可达性;  运输充分性;  运输经济性
Keywords:
accessibility of highway network;  space accessibility;  transportation accessibility;  transportation adequacy;  transportation economics
分类号:
F540
DOI:
-
文献标志码:
A
摘要:
为有效度量公路网系统可达功能的实现状况,运用系统分析理论,对公路网可达性的含义进行了分析。分析认为,由于路网可达性应包含空间可达性、运输可达性2个方面的内容,基于公路网建设的目的,不考虑运输需求的路网可达性只是空间可达性,不足以反映路网可达功能的实现状态。同时认为,由于空间可达性应从空间可达的状态与经济合理性2个方面考虑,而运输可达性是指现行路网供给条件下的运输充分性及运输经济性,现行公路网可达性测算方法难以显现线路等级合理性、运输充分性与运输经济性。为此,建构了公路网可达性的指标体系和计算模型。
Abstract:
In order to measure the functions of highway network reasonably, and through systematic analysis of the status quo about researches on accessibility of highway network, the authors improve the connotation of accessibility of highway network so as to find the defects existing in the current researches which lack the consideration about transport demand and it's degree of realization. The conclusion made in this study is that accessibility of highway network can be understood from two aspects:space accessibility and transportation accessibility. However, there is scarce study about transportation accessibility. The purpose of highway construction is providing service for transportation. Therefore, the accessibility that doesn't consider the transport demand is only space accessibility of highway network, and it can not reflect the whole function of accessibility. Space accessibility can be considered from the state and economic rationality, and transportation accessibility is considered from transportation adequacy and transportation users' economics under the highway network supply. As there exist the defects that the current methods in calculating the accessibility of highway network fail to reflect the reasonablity of highway grades, the transportation adequacy and transportation users' economics, the authors improve the current the model to measure the accessibility of highway network, which is of great theoretical significance.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2009-09-01 基金项目:交通部前期工作费项目(1230899402) 作者简介:刘世铎(1979-),女,山东青州人,工学博士研究生。
更新日期/Last Update: 2010-03-20