Abstract
Specific Heat Capacity is an important material parameter that determines the thermal conditions in asphalt pavement materials which influences cracking, rutting, and fatigue. The test standard (ASTM C351) uses a small 25 mm by 50 mm sample container that is not suitable for pavement samples. Research at Arizona State University (ASU) developed a test method that uses standard pavement cylindrical cored samples to measure Specific Heat Capacity. This paper proposes a modified ASU laboratory test procedure for measuring the Specific Heat Capacity of pavement material using a cylindrical core sample, a larger heat exchange chamber, a water agitation device placed above the sample, and multiple thermal couple sensors tied to a data-logger. The heat exchange test is complete in under 30 min. This test method was used for more than 50 samples from four different locations across the United States and the results appear reasonable.
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Geng, W., Heitzman, M. (2019). Measuring Specific Heat Capacity of Pavement Materials. In: Steyn, W., Holleran, I., Nam, B. (eds) Pavement Materials and Associated Geotechnical Aspects of Civil Infrastructures. GeoChina 2018. Sustainable Civil Infrastructures. Springer, Cham. https://doi.org/10.1007/978-3-319-95759-3_11
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DOI: https://doi.org/10.1007/978-3-319-95759-3_11
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