- Volume 18 Issue 2
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Finite Element Analysis of Heat Transfer Effects on Asphalt Pavement Heated by Pre-Heater Unit Used in Hot In-Place Recycling
유한요소해석을 통한 현장 가열 재활용 시공 장비의 가열판 용량에 따른 아스팔트 포장의 열전도성 평가
Lee, Kang Hun;Lim, Jin Sun;Jeong, Kyu Dong;Im, Jeong Hyuk;Kwon, Soo Ahn;Kim, Yong Joo
- Received : 2016.03.14
- Accepted : 2016.03.30
- Published : 2016.04.14
PURPOSES: The national highways and expressways in Korea constitute a total length of 17,951 km. Of this total length of pavement, the asphalt pavement has significantly deteriorated, having been in service for over 10 years. Currently, hot in-place recycling (HIR) is used as the rehabilitation method for the distressed asphalt pavement. The deteriorated pavement becomes over-heated, however, owing to uncontrolled heating capacity during the pre-heating process of HIR in the field. METHODS: In order to determine the appropriate heating method and capacity of the pre-heater at the HIR process, the heating temperature of asphalt pavement is numerically simulated with the finite element software ABAQUS. Furthermore, the heating transfer effects are simulated in order to determine the inner temperature as a function of the heating system (IR and wire). This temperature is ascertained at
hot in-place recycling;pre-heater;heat transfer;finite element method
- Kim, Dae-Hun, Kim, Seung-Hoon, Kwon, Soo-Ahn, Kim, Yongjoo, Lee, Jaejun,(2015), Fundamental Study for Development of Pre-Heater for Warm In-Place Recycling in Korea, Journal of the Korean Society of Road Engineers 17(2), pp.31-37.
- Li, H., Harvey, J., and Jones, D.,(2013), Multi dimensional transient temperature simulation and back-calculation for thermal properties of building materials, Building and Environment, Vol. 59, No. 1, pp. 501-516. https://doi.org/10.1016/j.buildenv.2012.09.019
- Ministry of Land, Infrastructure and Transportation, (2015), "Yearbook of Road Statistics", Korea.
- Zhang, D., Ma, T., Huang, X., Chen, C., Gu, F., and Jin, J., (2011), "Heating Temperature Control for Hot In-Place Recycling of SMA Asphalt Pavement", Transportation Research Board 90th Annual Meeting. Washington, D.C. Paper DVD #11-1662.
Grant : 온실가스 배출 최소화를 위한 친환경 포장 도로 연구
Supported by : 국토교통부, 국토교통과학기술진흥원