Shi Tai Expressway Asphalt Pavement Diseases Research And Treatment

With our country's economy uninterrupted growth, the expressway is playing the artery role. But as the volume of traffic ceaselessness is increasing, many expressway bituminous pavements display the certain early phase breakdown equally, such as ripping , general oil , exfoliation , rut, some expressways were open to traffic even in that very year being to disease happened , kept scheduled time in repair regularly shifting to an earlier date greatly, operation having had direct impact to a vehicle, being in motion and doing business to the express highway has brought about certain effect , has enhanced curing managing the fund throwing into.Shi Tai expressway Hebei Duan is located in Taihang Mountains , about two-part section is in heavy mound District of mountain ridge , is is that the commissioning is the earliest in the advanced level highway that our country built at that time in heavy mound District of mountain ridge , is is also that the Article 1 mountain ridge that Hebei Province builds within the territory highly values the advanced mound District level highway , is is Ministry of Communications "the 8th Five-Year Plan" one passage in planning highway host framework key construction projects (307 national roads) , is also one of Hebei Province key construction project. The road surface pitch ages , cause have brought about bigger damage , use a function to come down , daily curing of structure cost such as roadbed road surface , structure thing to Shi Tai express highway such as snow falls and vehicle enhances year by year. Adopt the new design criterion , uses new handicraft , new materials , makes various road surface function can be recovered and improved in being in the upkeep to Shi Tai high speed Hebei Duan and reforming governing process.Maintaining new technique is that new materials , new equipment , new idea synthesis applying in substance. In the days comeing, our country highway will also cause priority maintain scheduled time from the roll in building scheduled time , maintains job let duplicate each other but keeps away from. Be that the early phase resolving a bituminous pavement completely damages this one difficult problem, we need making more efforts especially, need doing more thorough job.