지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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이 논문의 연구 히스토리 (6)
2012
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초록· 키워드
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PURPOSES : This study evaluated the field applicability and laboratory performance of warm-mix asphalt (WMA) as an alternative technology in asphalt pavement. METHODS : The pilot road using two different types of WMA mixture and one HMA mixture was constructed in Waegwan-Seokjeok road construction site and the mixtures were sampled at the asphalt plant for laboratory testings. The field applicability was assessed in environmental aspects, such as $CO_2$ emission, and in aspects of constructibility using the existing equipment and procedure, i.e., thickness and density measurement. The laboratory testings included the moisture susceptibility test by AASHTO T283, dynamic modulus test, triaxial repeated load permanent deformation test, and the fatigue test. RESULTS : The temperatures for production and compaction of WMA were $20{\sim}30^{\circ}C$ lower than those for HMA and therefore, the noxious gas emission were significantly reduced. The field density of WMA pavements was similar or better than that of HMA pavement. From the laboratory testings, it was found that WMA mixtures exhibit comparable performance to HMA mixture in moisture susceptibility, permanent deformation, and fatigue performance. CONCLUSIONS : With these results, it would be concluded that WMA could replace the existing HMA technology without any significant issue. To support this conclusion, it is necessary to track the long-term performance of WMA in pilot road.
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참고문헌 (10)
참고문헌 신청
AASHTO / 2007 / Resistance of Compacted Hot Mix Asphalt(HMA) to Moisture-Induced Damage. AASHTO T283
AAHSTO / 2007 / Standard Method of Test for Determining Dynamic Modulus of Hot Mix Asphalt (HMA). AASHTO TP62
Acott, M. / 2009 / Hearing on the Role of Research in Addressing Climate Change in Transportation Infrastructure before the Subcommittee on Technology and Innovation
Advanced Asphalt Technologies, LLC. / 2008 / Mix Design Practices for Warm Mix Asphalt. Interim Report
ARA, Inc. / 2004 / Guide for Mechanistic-Empirical Design of New and Rehabilitated Pavement Structures / National Cooperative Highway Research Program, Transportation Research Board, National Research Council
AAHSTO / 2007 / Standard Method of Test for Determining Dynamic Modulus of Hot Mix Asphalt (HMA). AASHTO TP62
Acott, M. / 2009 / Hearing on the Role of Research in Addressing Climate Change in Transportation Infrastructure before the Subcommittee on Technology and Innovation
Advanced Asphalt Technologies, LLC. / 2008 / Mix Design Practices for Warm Mix Asphalt. Interim Report
ARA, Inc. / 2004 / Guide for Mechanistic-Empirical Design of New and Rehabilitated Pavement Structures / National Cooperative Highway Research Program, Transportation Research Board, National Research Council
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