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 “” 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 , additive , SBS , and SBR . This paper proposes the application of central composite design in the optimization of raw material dosage of hot-poured bituminous sealant.
Performance Optimization Method of Composite Modified Asphalt Sealant
2013-05-15
72013-01-01 pages
Article (Journal)
Electronic Resource
English
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