A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Investigation of Rutting in Asphalt Concrete Pavements
Pavement cores were collected from rutting asphalt concrete pavements less than 2 years after last overlay. Tests were performed in an attempt to determine the cause(s) of rutting. Findings revealed common causes such as excessive asphalt, fine-grained aggregate and natural, rounded aggregate particles. A laboratory test program was designed and initiated to quantify the contribution to rutting in asphalt concrete mixtures when increasing amounts of natural (uncrushed) aggregate particles are added. The objective is to generate supporting data and prepare specifications for maximum quantity of certain natural sands, minimum top-size aggregate and minimum voids in mineral aggregate in paving mixtures to be placed on high traffic volume roadways. Results to date have shown that susceptibility to plastic deformation increases dramatically when natural particles replace crushed particles in a given aggregate gradation.
Investigation of Rutting in Asphalt Concrete Pavements
Pavement cores were collected from rutting asphalt concrete pavements less than 2 years after last overlay. Tests were performed in an attempt to determine the cause(s) of rutting. Findings revealed common causes such as excessive asphalt, fine-grained aggregate and natural, rounded aggregate particles. A laboratory test program was designed and initiated to quantify the contribution to rutting in asphalt concrete mixtures when increasing amounts of natural (uncrushed) aggregate particles are added. The objective is to generate supporting data and prepare specifications for maximum quantity of certain natural sands, minimum top-size aggregate and minimum voids in mineral aggregate in paving mixtures to be placed on high traffic volume roadways. Results to date have shown that susceptibility to plastic deformation increases dramatically when natural particles replace crushed particles in a given aggregate gradation.
Investigation of Rutting in Asphalt Concrete Pavements
J. W. Button (author) / D. Perdomo (author)
1989
90 pages
Report
No indication
English
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