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2020 Vol.10, Issue 2 Preview Page

Scientific Paper

Effect of Drying-Oven Heating and Water-Bath Heating of Specimen on Deformation Strength of Asphalt Concrete

공시체의 수침·건조가열이 아스팔트 콘크리트 변형강도에 미치는 영향

Yeongsam Kim1
,
Wonbae Kim2
,
Kwang W. Kim3
,
Sungun Kim4*
김 영삼1
,
김 원배2
,
김 광우3
,
김 성운4*
1Ph.D. Candidate, Department of Regional Infrastructure Engineering, Kangwon National University
2Researcher, Kangwon University-Industry Cooperation Foundation
3Professor Emeritus, Department of Regional Infrastructure Engineering, Kangwon National University
4Senior Research Engineer, Advanced Construction Research Center, Kangwon National University
1강원대학교 지역건설공학과 박사수료
2강원대학교 산학협력단 연구원
3강원대학교 지역건설공학과 명예교수
4강원대학교 첨단건설기술연구소 선임연구원
*Corresponding Author
31 December 2020. pp. 297-308
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Abstract

This study evaluated two methods of heating process, drying-oven heating for 2 hours (dry process) and water bath heating (wet process) for 30 min, for conditioning asphalt concrete specimen for deformation strength (SD) test. A total of 16 mixtures (2 aggregate sources× 2 nominal maximum aggregate size × 4 binders) were prepared for SD evaluation by statistical analyses. It was found from this study that the SD by wet process was, in general, lower than that by dry process due to the effect of moisture damage in granite aggregate case. However, the coefficient of variation (CV) of wet process was found to be smaller than that of dry process, indicating the data of SD by wet process were consistent than those of dry process. Since the strength by dry process was 8.4% higher, but CV was 18% higher than wet process, the wet process was considered better method for getting consistent test result, in addition to saving time by 1/2 hour submerging in water bath compared with 2 hours oven heating.

Keywords
Deformation strength
Dry oven heating
Wet conditioning
Mean
Standard deviation
References
1
Doh, Y.S., Yun, K.K., Amirkhanian, S.N. and Kim, K.W. (2007). “Framework for developing static strength test for measuring deformation resistance of asphalt concrete mixtures”, Construction and Building Materials, 21(12), pp. 2047-2058. 10.1016/j.conbuildmat.2006.06.032
2
Kim, H.H., Park, N.W., Doh, Y.S., Ahn, K., Lee, S.J., Amrikhanian, S.N. and Kim, K.W. (2008). “Rutting Estimation of Asphalt Pavement Mixtures using Deformation Strength”, EATA08, European Asphalt Technology Association Meeting, Lyon, France, April.
3
Kim, K.W., Amirkhanian, S.N., Kim, H.H., Lee, M.S. and Doh, Y.S. (2011). “A new static strength test for characterization of rutting of dense-graded asphalt mixtures”, Journal of Testing and Evaluation, ASTM, 39(1), pp. 1-10.
4
Kim, K.W., Cho, B.J., Lee, S.J. and Doh Y.S., (2007). “Suggestion for Determination of Minimum SD for Rut-Resistable Asphalt Concretes”, International Journal of Highway Engineering, 9(4), pp. 193-204.
5
Kim, K.W., Cho, M.J., Ko, T.Y. and Doh, Y.S. (2005). “Kim Test for Measure of Rut Resistance of Asphalt Concretes”, Proceedings of 5th ICPT, Seoul, Korea.
6
Kim, K.W., Doh, Y.S. and Amirkhanian, S.N. (2004). “Feasibility of deformation strength for estimation of rut resistance of asphalt concrete”, International Journal of Road Materials and Pavement Design, 5(3), pp. 303-322. 10.1080/14680629.2004.9689974
7
Kim, K.W., Doh, Y.S. and Cho, M.J. (2005). “Correlation Analysis of Binder Stiffness with Deformation Strength and Dynamic Creep Property of Asphalt Mixtures for Evaluation of Kim Test Applicability”, International Journal of Highway Engineering, 7(4), pp. 91-102.
8
Kim, K.W., Hong, S.-K., Oh, H.-L., and Lee, S.-J. (2002). “Effect of Curing Temperature and Time on Measuring Fundamental Properties of Asphalt Mixture”, Journal of the Korean Society of Pavement Engineers, 4(4), pp. 13-21.
9
Kim, K.W., Kim, S.T., Kwon, O.S. and Doh, Y.S. (2004). “Correlation Analysis between Rut Resistance and Deformation Strength for Superpave Mixtures”, Journal of the Korean Society of Road Engineers, 6(4), pp. 45-53
10
MOLIT (2015). “Production and construction guidelines for asphalt mixtures”, Ministry of Land, Infrastructure and Transport.
11
Park, T.-W., Doh, Y.-S. and Kim, K.-W. (2008). “Determination of radius of edge round cut of loading head for deformation strength test”, International Journal of Highway Engineering, 10(2), pp. 183-191.
12
Ra, I.H., Kim, H.H., Cho, B.J., Doh, Y.S. and Kimm K.W. (2008). “Comparison of Deformation Strengths of Asphalt Mixtures Using Wet Conditioned and Drying Oven-Heated Specimens”, Korean Society of Road Engineers Abstracts of Thesis Presented at Academic Conference, 2008.10.14., pp. 87-92.
Information
  • Publisher :KOREAN ASPHALT INSTITUTE
  • Publisher(Ko) :한국아스팔트학회
  • Journal Title :Journal of the Korean Asphalt Institute
  • Journal Title(Ko) :한국아스팔트학회지
  • Volume : 10
  • No :2
  • Pages :297-308
  • Received Date : 2020-11-15
  • Revised Date : 2020-11-26
  • Accepted Date : 2020-12-10
  • DOI :https://doi.org/10.22702/jkai.2020.10.2.024
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