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Field Investigation And Performance Evaluation Of Interface Bonding Between Pavement Layers, Ramendra N. Das
Field Investigation And Performance Evaluation Of Interface Bonding Between Pavement Layers, Ramendra N. Das
LSU Master's Theses
Proper bonding between pavement layers is essential to provide a monolithic pavement structure that allows distribution of loading over a larger area. Inadequate interface bonding may cause debonding or shear failure at the interface due to the accumulation of concentrated tensile stresses at the bottom of the overlay. Tack coat, a light application of asphaltic cement emulsion is applied on the existing surface to create a strong adhesive bond between pavement layers. The objectives of this study are to investigate the effects of various factors affecting bond strength between hot-mix asphalt (HMA) overlay and underlying pavement layers in the field. …