Reserrch And Application Of Field Test Equipmen For Shear Strength Of Asphalt Mixtur

The research of this project is in view of the pavement rut and other high-temperature stability of the disease,Successfully developed a field test of asphalt mixture shear strength of the method,So that the asphalt mixture shear strength detection is convenient and reliable.And asphalt mixture design specifications to provide technical support,Which provides a new method for on-site testing of the asphalt concrete asphalt pavement anti-shear ability index,Asphalt mixture design and asphalt pavement disease detection and prevention is of great significance,Fill the asphalt mixture shear strength on-site inspection of the blank,the use of broad prospects.The development of asphalt mixture shear strength on-site testing equipment which is loading rate can be precisely controlled to 1mm / min.Indoor unconfined stability test up to 6.07%,There are confining stability test up to 3.31%;The correlation of the anti shear strength of the asphalt mixture with the UTM-100 multi function test system is 0.9818.At the same time,the method to calculate the shear strength of asphalt mixture was proposed,and the temperature correction coefficient was determined according to the temperature limit of field test.Using indoor shear strength of asphalt mixture was head size,loading rate,layered detection field of asphalt mixture shearing strength of asphalt pavement.Research on asphalt mixture shear resistance,not only for road managers and researchers understand asphalt mixture properties has important academic significance,and the research results can be directly used in asphalt pavement performance evaluation,which guides the asphalt pavement design and management,improve the service life of the asphalt road surface,reduce the maintenance,repair costs,will produce great economic benefit and social benefit.