Research On Raliway Corridor Planning Of Shaanxi To Sichuan Chongqing Region

Efficient and convenient transportation infrastructure network is the key driving force to promote the economic zone to become an economic growth pole.So for,the comprehensive traffic structure of the West Triangle Economic Zone composed of Xi 'an,Chengdu,Chongqing and their surrounding areas is unreasonable,such as long detour distance and low technical standards,and remote mountain residents often encountered travel difficulties.Passengers take more than 10 hours from Shanxi to Sichuan and Chongqing through the existing rail,long travel distance and long travel time.Xi cheng high speed railway which has already been opened can bear part of the passenger demand and bring a large number of induced passengers.But compared with the rapid development of regional economy and the increasing demand of tourists,the scale,structure and level of the existing railways are somewhat lagging behind,to create a safe,convenient,efficient,green,intelligent,multi-level,diversified modern integrated transportation system is imperative.Based on this,this paper mainly studies the following aspects of the railway corridor planning of Shaanxi to Sichuan Chongqing region:First of all,the basic concepts of transportation corridor,corridor formation and evolution mechanism,layout planning of transportation corridor and optimal allocation of corridor system at home and abroad are analyzed systematically,and then comprehensive layout method of railway corridor based on economic linkage potential energy is constructed.Concretely,take the two indicators of economic linkage intensity and industrial structure difference to calculate the potential energy of economic links among nodes,which is taken as the judgment condition for corridor connection,and then optimize the layout plan combined with other factors.Secondly,the coupling coordination degree model is established to analyze the adaptability of railway corridor planning and social and economic development.For railway corridor system,indexes including total scale,coverage,capacity utilization and planning speed were selected.For social and economic systems,take economic development structure,transportation demand scale and economic development benefit as main assessment indexes.Thirdly,layout scheme of railway corridor between Shaanxi and Sichuan and Chongqing is planned,according to the above construction method and planning process,and plans to implement the key railway project of Baoji to Hanzhong through the comparison with the existing planning,which can fully meet the connectivity need between Baoji and Hanzhong and ease the situation of lack of transport capacity and limited capacity expansion of the northern section of Baoji-Chengdu Railway.Finally,comprehensive study on Baoji-Hanzhong railway is conducted,including function orientation,construction necessity,passenger and freight demand,construction plan and front and rear corridor,which lay the foundation for the next phase of research.