Gansu XiChangFeng Expressway Of Superpave Asphalt Pavement Construction Technology Research

Aggregates of the asphalt mixture segregation, temperature segregation, RCCsegregation inhomogeneity of one of the reasons led to the asphalt mixture. If notdetected early and control asphalt mixture segregation will lay hidden dangers to theroad, causing the pavement to the early failure occurs. Reduce the pavement segregationwill help to ensure the quality of road construction to improve the durability of the road,effectively extend the life of the pavement.The main subject of relying on the XiChangFeng expressway project in GansuProvince, combined with Hanoi, Vietnam Airport Expressway (HANOI-NOIBAI,),Vietnam1A State Road (HANOI-BACNINH, above) the construction process,aggregate segregation, temperature segregation RCC segregation carried out system: bysanding method to measure structural depth and terrible law to measure the density datato identify the relationship between the two pavement materials to evaluate thesegregation; find the road seepage rate and the porosity of the correlation between thetwo-building relations to evaluate the pavement aggregate segregation; mixed withindoor experiments on the temperature, the hot mix gyratory Compactor temperaturemolding specimen, in order to establish the relationship between temperature and void;analysis of the RCC segregation of the asphalt pavement, paving degree of compactionof the initial vertical and horizontal machine paver, vibrating drum roller rolling processof segregation; control pavement segregation proposed asphalt mixture mixing,production, transport paver rolling to control the quality factors, to improve the road,reduce the early destruction of disease.