Analysis of errors in the evaluation of parallel transient hot wire measurements by means of line heat source fits

Wang, Da; Li, Qiang; Wang, Qian; Zhang, Jiansheng

doi:10.1016/j.ceramint.2018.10.121

Cited by 2 publications

(1 citation statement)

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“…Thermal conductivity test. Transient hot-wire method is based on measuring the enhanced temperature at a specific distance from a linear heat source inside the test materials (Chen et al 2018;Wang et al 2019). This method has been widely used in the measurement of thermal conductivity of cement concrete and porous concrete (Demirboga and Kan 2012;Khan 2002;Asadi et al 2018).…”

Section: Test Methodsmentioning

confidence: 99%

Influence of Freeze–Thaw Cycles on Thermal Conductivity, Water Permeability and Mechanical Properties of Asphalt Mixtures

Gao

Fan

Ping

2020

Iran J Sci Technol Trans Civ Eng

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This research studied the effect of freeze-thaw cycles on the thermal conductivity, water permeability and mechanical properties of asphalt mixtures in the cold region. Three types of asphalt mixtures, namely a stone mastic asphalt (SMA) mixture, dense graded asphalt concrete (AC), asphalt-treated base (ATB) mixture, were produced in the laboratory. The thermal conductivity test and water permeability test were used to study the thermal conductivity and water permeability of asphalt mixtures, respectively. Meanwhile, the uniaxial compression test and indirect tensile test were carried out to investigate the mechanical properties of asphalt mixtures. The results showed that with the increase in the number of freeze-thaw cycles, the thermal conductivity and mechanical properties of all asphalt mixtures were weakened, while the water permeability of them was improved. In addition, the effect of freeze-thaw cycles on the thermal conductivity and mechanical properties of ATB mixture was more significant than that of SMA mixture and AC.

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