Research On Strength Characteristics Of The Interface Layer Of Rigid-flexible Pavement

Rigid flexible pavement refers to the plate in the concrete overlay asphalt mixture surface compound formed by the road. This paper on the basis of the research results of rigid flexible pavement at home and abroad, research that in view of the materials and mechanical properties of the interface of rigid-flexible pavement was carried out.On the basis of the interface layer materials and the characteristics analysis, use of ANSYS research on the interface layer shear stress. The possible impact of the interface layer shear stress factors were analyzed, the most important factors impact of the interface layer shear stress is the asphalt overlay thickness, traffic conditions and vehicle axle load. Through laboratory test, a comparative study of seven different bonding layer waterproof material mechanical properties, a key test of cement concrete slab handling of the interface bonding layer and waterproof material on the strength of the interface layer. Find out the best cement concrete slab interface approach, the best asphalt content of the interface, precision milling depth of the best interface, in its various forms shear strength test results of the correlation between the shear strength and viscosity knot strength of the correlation between, and many other useful conclusions. In the theoretical analysis and experimental study on the basis of the actual situation with a rigid-flexible pavement interface layer shear strength standards.Finally, this article on cement concrete pavement overlay layer of asphalt and cement concrete bridge asphalt mixture pavement structure design theory and methodology were discussed, proposed several typical bridge pavement structure. At the same time, in hot-daub SBS modified bitumen and AWP-2000F fiber reinforced waterproof coating layer interface of two materials construction technology was introduced.