Highway Anti-rutting Asphalt Roadbed Of Mizhuo Regional Highway

This paper mainly through carries on the investigation to the existing road conditions, analysis of the mechanism of rutting formation are analyzed, the rutting optimum methods through the experimental comparison analysis on Rutting prevention measure eventually. The main contents are as follows:(1) Analysis of material performance of traffic load and pavement: the maininvestigation and Hebei area similar to other domestic provinces and cities of pavement materials usage and traffic conditions, and according to the designidea of the latest domestic and foreign influence analysis of pavementmaterials and the traffic situation on the road rut.(2) Analysis of the formation mechanism of the rut of asphalt mixture is a kind of hybrid systems are organized into material. Its effect on cementation, under certain stress frame under the action of external force, the viscous stress in structure, overcomes the asphalt film adhesion strength etc. various kinds ofexternal force, ensure mutual aggregation and the occurrence of dislocation.Through the test of its strength characteristics, rut fighting against resistance,low temperature crack resistance, water stability performance, anti fatigueperformance, to analyze the various stages of the compaction properties,stable organization, mutual shear flow deformation effect on the rutting and theformation mechanism of rut.(3) Research on Rutting control technology: bound of domestic and international highway design and construction, rutting control technology used have: the modified asphalt mixture gradation of mixture gradation improvement has two ways, one is the use of high viscosity asphalt binder, the two is to increase the aggregate particle size; in asphalt mixture by adding modifier: this method makes the road does not appear too large deformation, but modified asphalt increased project cost; in the asphalt mixture added with anti ruttingagent.