A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The objective of the research was to identify causes and mechanisms which may contribute to the formation of blisters on asphalt concrete overlays through information gathering and synthesizing. The major cause of blistering was found to be the thermal expansion of entrapped gas and water beneath the unbonded areas between the thin asphalt overlay and the subsurface. An analytical blister model was developed based on the fracture mechanics concept. Analytical solutions of the deformed profile and critical pressure for the onset of adhesive bond failure were obtained.
The objective of the research was to identify causes and mechanisms which may contribute to the formation of blisters on asphalt concrete overlays through information gathering and synthesizing. The major cause of blistering was found to be the thermal expansion of entrapped gas and water beneath the unbonded areas between the thin asphalt overlay and the subsurface. An analytical blister model was developed based on the fracture mechanics concept. Analytical solutions of the deformed profile and critical pressure for the onset of adhesive bond failure were obtained.
Investigation of Causes of Blistering of Asphalt Layers
J. S. Lai (author)
1987
61 pages
Report
No indication
English
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