A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Open Graded Friction Course in Resisting Low-Temperature Transverse Cracking in Asphalt Pavement
Open graded friction course (OGFC) is used to reduce noise, improve friction, and for faster drainage of surface water of an asphalt pavement. However, OGFC’s contribution to low-temperature transverse cracking has not been documented yet in literature. This study investigates whether OGFC affects the low-temperature transverse cracking performance of asphalt concrete (AC). Cylindrical samples were prepared in the laboratory using an OGFC mix and a conventional AC mix in New Mexico. Laboratory tests, examining dynamic modulus (), indirect tensile strength (ITS), coefficient of thermal contraction (CTC), and creep compliance, were conducted. Low-temperature transverse cracking potentials of both OGFC and AC were evaluated using the test data. Results show that OGFC has less and CTC, higher ductility and creep compliance than the AC mix. This means that OGFC is less susceptible to low-temperature transverse cracking compared to the AC mix. This finding is validated using the field survey data. It is found that OGFC prevents the low-temperature transverse crack growth in asphalt pavement. Therefore, OGFC can be considered a good potential material to resist low-temperature transverse cracking, especially in cold regions.
Open Graded Friction Course in Resisting Low-Temperature Transverse Cracking in Asphalt Pavement
Open graded friction course (OGFC) is used to reduce noise, improve friction, and for faster drainage of surface water of an asphalt pavement. However, OGFC’s contribution to low-temperature transverse cracking has not been documented yet in literature. This study investigates whether OGFC affects the low-temperature transverse cracking performance of asphalt concrete (AC). Cylindrical samples were prepared in the laboratory using an OGFC mix and a conventional AC mix in New Mexico. Laboratory tests, examining dynamic modulus (), indirect tensile strength (ITS), coefficient of thermal contraction (CTC), and creep compliance, were conducted. Low-temperature transverse cracking potentials of both OGFC and AC were evaluated using the test data. Results show that OGFC has less and CTC, higher ductility and creep compliance than the AC mix. This means that OGFC is less susceptible to low-temperature transverse cracking compared to the AC mix. This finding is validated using the field survey data. It is found that OGFC prevents the low-temperature transverse crack growth in asphalt pavement. Therefore, OGFC can be considered a good potential material to resist low-temperature transverse cracking, especially in cold regions.
Open Graded Friction Course in Resisting Low-Temperature Transverse Cracking in Asphalt Pavement
Islam, Md. Rashadul (author) / Rahman, A. S. M. Asifur (author) / Tarefder, Rafiqul A. (author)
2018-03-13
Article (Journal)
Electronic Resource
Unknown
Open Graded Friction Course in Resisting Low-Temperature Transverse Cracking in Asphalt Pavement
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