Technique and Economic Analysis of Building Hinghways by Stages in the Territory Where Economy is Underdeveloped

Construction the first-class highway by stages can effectively solve the contradiction between tightness of money on highway construction and road fast unimpeded which are needed by socio-economic development in underdeveloped economy territory.The dissertation directs to the practical problems on road construction in underdeveloped economy territory, describe the necessity that construction the first-class highway by stages and the practical significance on promoting the local economic development. The stages construction of highway can adopt partition implementation, advancement gradually.That is firstly construction half road sit,and construction the other half site at an appropriate time.According to socio-economic, traffic, natural conditions, and construction funds of local territory to decide whether and when to construct by stages.The dissertation on the basis of research data that already exsiting,firstly explains major factors that impacting the construction by stages, proposed the principles of construction by stages and the key issues and measures that should be considered about the technical program about line, roadbed, road,and secondly discuss construction, maintenance fees and calculation of economic benefits in different rehabilitation program, summaries the principles, methods, and evaluation index of comparison and selection of different technical solutions,and in then end according to the theoretical analysis, through the construction by stages of G207 Xinlinhaote to Sanggenda details the content, method and step on the technical and conomic analysis of construction by stages