摘要Central composite design-response surface methodology was used to determine the best content of raw materials and improve the performance of hot-poured bituminous sealant. Content range and process technology were studied through single factor analysis method. Cone penetration, elastic recovery, creep strength, and creep strain rate "m" were analyzed by central composite model testing. The response surface of the overall desirability was established and the optimal content of raw materials were determined and verified. Analyses of test results indicated that the optimal content of raw materials were as follows: rubber powder-25%, additive-7%, SBS-5%, and SBR-3%. This paper proposes the application of central composite design in the optimization of raw material dosage of hot-poured bituminous sealant.
Abstract:Central composite design-response surface methodology was used to determine the best content of raw materials and improve the performance of hot-poured bituminous sealant. Content range and process technology were studied through single factor analysis method. Cone penetration, elastic recovery, creep strength, and creep strain rate "m" were analyzed by central composite model testing. The response surface of the overall desirability was established and the optimal content of raw materials were determined and verified. Analyses of test results indicated that the optimal content of raw materials were as follows: rubber powder-25%, additive-7%, SBS-5%, and SBR-3%. This paper proposes the application of central composite design in the optimization of raw material dosage of hot-poured bituminous sealant.
基金资助:Supported by the National Key Technologies R&D Program of China during 11th Five-year Plan Period (No.2008BAG10B02) and the National Natural Science Foundation of China (No.51008099)
通讯作者:
TAN Yi-qiu, yiqiutan@163.com
E-mail: yiqiutan@163.com
引用本文:
谭忆秋, 郭猛, 张磊, 曹丽萍. 复合改性沥青填缝料的性能优化方法[J]. Journal of Highway and Transportation Research and Development, 2013, 7(2): 1-7.
TAN Yi-qiu, GUO Meng, ZHANG Lei, CAO Li-ping. Performance Optimization Method of Composite Modified Asphalt Sealan . Journal of Highway and Transportation Research and Development, 2013, 7(2): 1-7.
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