| Along with the increase of highway traffic mileage, before the first sight of maintenance departments question is:how to keep good road, how to save cost and how to improve maintenance efficiency. Especially after converting, maintenance departments of how to use limited funds to keep good roads, achieve "chang, Ann, comfortable, beauty" overall request, will need to find more efficient maintenance methods and measures.This article through to for years national trunk way and provincial highway asphalt pavement of Weifang territory the investigation and statistics of the existing diseases, think Weifang domestic Highway asphalt concrete pavement damage due to 85 percent above is caused cracks attck the water damage. Through the Weifang area highway asphalt pavement cracks causes serious and careful analysis to research, think:crack attck destruction are the main reasons of the grass-roots, surface temperature crack and reflection crack, poor quality of construction, fracture closed not timely, etc. According to the results of this study, cracks attck cracks appear in pavement should be implemented in 1-2 years cracks containment measures. Then put forward specific preventive maintenance technology measures, and summarizes briefly the pavement of weifang areas suitable for the preventive maintenance measures cracks. |
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