A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Determining the Compactive Effort Required to Model Pavement Voids Using the Corps of Engineers Gyratory Testing Machine
Various agencies have used the Corps of Engineers gyratory testing machine (GTM) to design and test asphalt mixes. Materials properties such as shear strength and strain are measured during the compaction process. However, a compaction process duplicating void levels in the pavement after traffic has not been clearly defined when using the oil-filled roller. The intent of this project was to determine the laboratory compactive effort for the GTM that duplicates the voids in pavement after being exposed to traffic. Samples of asphalt mix were obtained during construction of ten field project and tested in the laboratory with six different compactive efforts using various angles of gryration and vertical pressures. Voids were also measured in pavement immediately after construction and after several years of exposure to traffic. Regressions were then developed to allow the prediction of pavement voids from the voids obtained by the laboratory compaction procedures.
Determining the Compactive Effort Required to Model Pavement Voids Using the Corps of Engineers Gyratory Testing Machine
Various agencies have used the Corps of Engineers gyratory testing machine (GTM) to design and test asphalt mixes. Materials properties such as shear strength and strain are measured during the compaction process. However, a compaction process duplicating void levels in the pavement after traffic has not been clearly defined when using the oil-filled roller. The intent of this project was to determine the laboratory compactive effort for the GTM that duplicates the voids in pavement after being exposed to traffic. Samples of asphalt mix were obtained during construction of ten field project and tested in the laboratory with six different compactive efforts using various angles of gryration and vertical pressures. Voids were also measured in pavement immediately after construction and after several years of exposure to traffic. Regressions were then developed to allow the prediction of pavement voids from the voids obtained by the laboratory compaction procedures.
Determining the Compactive Effort Required to Model Pavement Voids Using the Corps of Engineers Gyratory Testing Machine
G. W. Maupin (author)
1997
24 pages
Report
No indication
English
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