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High Temperature Stability Performance of Open Graded Asphalt Friction Course
To improve high temperature stability performance, some additive materials, such as cement, slaked lime and lignin were mixed into open graded asphalt friction course (OGFC). With different dosage and various admixtures, samples of different dimension were made. Then, rutting tests were put forward for dynamic stability calculation. High temperature stability of OGFC mixture can be obviously improved, whatever adding cement or slaked lime, even lignin fibre instead of mineral powder. As for substitute cement for mineral powder, when replacement volume is 66.6%, high temperature stability of OGFC-13 is highly improved with dynamic stability 1308 times / mm. When substitute slaked lime for mineral powder is 100%, dynamic stability of OGFC-13 mixture is 1910 times / mm. High temperature stability of OGFC-13 mixture can be greatly improved by 0.2% lignin fibre, with dynamic stability 1424 times / mm.
High Temperature Stability Performance of Open Graded Asphalt Friction Course
To improve high temperature stability performance, some additive materials, such as cement, slaked lime and lignin were mixed into open graded asphalt friction course (OGFC). With different dosage and various admixtures, samples of different dimension were made. Then, rutting tests were put forward for dynamic stability calculation. High temperature stability of OGFC mixture can be obviously improved, whatever adding cement or slaked lime, even lignin fibre instead of mineral powder. As for substitute cement for mineral powder, when replacement volume is 66.6%, high temperature stability of OGFC-13 is highly improved with dynamic stability 1308 times / mm. When substitute slaked lime for mineral powder is 100%, dynamic stability of OGFC-13 mixture is 1910 times / mm. High temperature stability of OGFC-13 mixture can be greatly improved by 0.2% lignin fibre, with dynamic stability 1424 times / mm.
High Temperature Stability Performance of Open Graded Asphalt Friction Course
Yuan, Yu-Qing (author) / Li, Xue-Chan (author) / Li, Wei (author) / Guo, Tao (author)
2012
5 Seiten
Conference paper
English
High Temperature Stability Performance of Open Graded Asphalt Friction Course
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