A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Mix Design Using Asphalt Millings. Summary report
A field demonstration project was undertaken by the Research & Development Division, Oklahoma Department of Transportation (ODOT), to investigate the performance of an asphalt overlay constructed using recycled asphalt millings and the cold-mixed, cold-laid system. The project was pursued in cooperation with KOCH Materials in Wichita, Kansas, and the University of Oklahoma. A 1.9-km (1.2-mile) section of the US-64 North frontage road in Pawnee County was rehabilitated with a 5-cm (2-in) thick overlay using 100% recycled asphalt millings. The 1.9-km (1.2-mile) section was divided into four approximately equal test sections. A different type of emulsion was used to rejuvenate the asphalt millings for each test section. The purpose was to determine the relative performance of each emulsion type and construction method used in this recycled asphalt pavement (RAP) project. A laboratory investigation was carried out to accomplish two major tasks: the first task was to determine the optimum emulsion and moisture contents of RAP mixes prepared with four different types of emulsions; the second task was to investigate the effect of adding Portland cement to RAP mixes, producing a cement-emulsion composite. One of the objectives of the study was to document the behavior of RAP mixes as affected by the addition of Portland cement, and to find the optimum emulsion and cement contents.
Mix Design Using Asphalt Millings. Summary report
A field demonstration project was undertaken by the Research & Development Division, Oklahoma Department of Transportation (ODOT), to investigate the performance of an asphalt overlay constructed using recycled asphalt millings and the cold-mixed, cold-laid system. The project was pursued in cooperation with KOCH Materials in Wichita, Kansas, and the University of Oklahoma. A 1.9-km (1.2-mile) section of the US-64 North frontage road in Pawnee County was rehabilitated with a 5-cm (2-in) thick overlay using 100% recycled asphalt millings. The 1.9-km (1.2-mile) section was divided into four approximately equal test sections. A different type of emulsion was used to rejuvenate the asphalt millings for each test section. The purpose was to determine the relative performance of each emulsion type and construction method used in this recycled asphalt pavement (RAP) project. A laboratory investigation was carried out to accomplish two major tasks: the first task was to determine the optimum emulsion and moisture contents of RAP mixes prepared with four different types of emulsions; the second task was to investigate the effect of adding Portland cement to RAP mixes, producing a cement-emulsion composite. One of the objectives of the study was to document the behavior of RAP mixes as affected by the addition of Portland cement, and to find the optimum emulsion and cement contents.
Mix Design Using Asphalt Millings. Summary report
R. I. Issa (author) / M. M. Zaman (author) / G. A. Miller (author)
2000
44 pages
Report
No indication
English
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