陕西公路（陕西）陕西公路.pdf

陕西公路（陕西）陕西公路.pdf

陕西么语 SHAANXISHIGHWAYS 藏书 图书馆 陕西省交通 1987.PREFACE ShaanxiissituatedinthemiddleofChina,inotherwords,itisaninlandpro vince.Soitshighwaytrafficplaysquiteanimportantrole.Thehighwaytrafficintineprovincehasahistoryofmorethan60yearssincethe structionwasdevelopedduringthe37yearsafterliberation.Contents INTRODUCTION RouteMapoftheMainHighwaysinShaanxiProvince Theincrease inhighway bridge in Shaanxi Province(1945-1985) The increase in Shaanxis highway length(1949-1985) Bridges Some old bridgeshavinga longhistory Gorgeousmodernbridges Stone Arch Bridges ReinforcedConcreteBridges St