Research On Scheme Of Reconstruction And Extension Of Xiamen And Rongcheng Expressway

Renovation and expansion project of Xiamen-Rongcheng freeway is based on the"Western Shore Economic Zone Development Plan"．It was proposed to realize developmentof strategic objectives of the economic zone on the west side of the Straits．The project is ofgreat significance to speed up the construction of a major thoroughfare in the south of Haixi，to expand the channel of Xiamen Port，to promote the formation of a unified market insouthwestern Fujian, and promote the central city South Extension of Longyan，develop theeconomic zone on the west side of the Straits of Taiwan．This article studied in-depth on highway subgrade and pavement widening splicing andtheir respective characteristics，on the basis，fully understand the status quo of the highwayrenovation and expansion at home and abroad and collect Xiamen-Rongcheng highwaypresent situation and long-term traffic forecasts．Combined with the status quo of theXiamen-Rongcheng expressway subgrade and pavement，widening stitching design as thebest solution program．Based on the principles and technical specifications of the interchangerenovation and expansion design，analyze the way of renovation and expansion of theinterchanges and the applicable conditions，combined with the characteristics of the project，To Furuta interoperability example， compared and selected mountainous Interchangesrenovation and expansion program， proposed the recommendation． In view of theXiamen-Rongcheng line is the major channel of southwestern Fujian，construction of theproject does not have a fully enclosed conditions，this paper analyzed traffic characteristics ofhighway renovation and expansion work area，based on the basic principles of trafficorganization plan design，studied on traffic organization plan of subgrade and pavementconstruction，construction of bridges and culverts and tunnels，intercommunication overpassand separation interchange overpass construction to determine the best design．By studying on the renovation and expansion program design of Xiamen-RongchengExpressway，provided a basis for highway renovation and expansion program designed，theconclusions and methods of this paper also applies to other road renovation and expansionproject．...