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Performance Optimization Method of Composite Modified Asphalt Sealant

Tan, Yi-qiu / Guo, Meng / Zhang, Lei / Cao, Li-ping

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.

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Performance Optimization Method of Composite Modified Asphalt Sealant

Tan, Yi-qiu / Guo, Meng / Zhang, Lei / Cao, Li-ping

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.

Performance Optimization Method of Composite Modified Asphalt Sealant

Tan, Yi-qiu / Guo, Meng / Zhang, Lei / Cao, Li-ping

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.

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Title:

Performance Optimization Method of Composite Modified Asphalt Sealant

Contributors:

Tan, Yi-qiu (author) / Guo, Meng (author) / Zhang, Lei (author) / Cao, Li-ping (author)

Published in:

Journal of Highway and Transportation Research and Development (English Edition) ; 7 ; 1-7

Publication date:

2013-05-15

Size:

72013-01-01 pages

ISSN:

DOI:

https://doi.org/10.1061/JHTRCQ.0000306

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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