Study On The Asphalt Pavement Typical Structure Of Main Way In HuBei Province

In our country, highway construction is full of vitality and developed quickly ,asphalt pavement has become a major type of pavement structure of main way in recent years。Our country is a vast territory,but only one criterion has been guide the asphalt pavement design。That causes some pavement designes are feasible and blind。Enormous numbers of material and money have been wasted for the conservation of pavement design or the roads could only be used few years for previous destruction because inapplicable construction of pavement design or insufficient depth of the road layers respectively。In this paper,a series of surveys on a section of a typical asphalt pavement highway of main way asphalt pavement in HuBei Province road condition,and damage reason are analyzed。Classification of traffic is divided into 4 grades and after observation ,materials of traffic volumes are collected extensively,and we also get the traffic characters there。On the base of a series of surveys,and the fundamental of different soil grades producING the same effect on thickness of base course or bottom course,foundation classification is divided into 3 grades。The sensitivity analysis of design parameter of subgrade and pavement is design by the 3D finite elements software ANSYS,which are used to confirmed the degree of impact on working state with change of the design parameter。In the end, according to the asphalt pavement construction practice and traffic, natural situation and origin of material, submit the typical pavement structure on the basis of appropriate structure in Hubei province, which will guide design and construction of asphalt pavement scientifically。...