Specimen Molding Method of Chip Seal in Laboratory

Abstract:

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Chip seal is most frequently used as preventive maintenance (PM) treatments on asphalt pavement. However, it’s difficult to make the performance test of chip seal in laboratory. In this paper, the specimen molding method of chip seal is established in laboratory. Firstly, considering the structure and technique condition of the original pavement, a cushion layer of asphalt concrete (AC) is used as under layer of the specimen. Secondly, the construction process of chip seal is simulated in laboratory, which includes spraying emulsified asphalt and/or glass fiber, spreading aggregate, initial rolling and conservation, post-stage rolling and conservation in interval for some time. Lastly, visual inspection and sand patch test are used to evaluate the quality of the specimen. Research results show that the method of specimen molding and test in laboratory could relatively accurately simulate, evaluate and forecast the performance of the chip seal.

Info:

Periodical:

Advanced Materials Research (Volumes 374-377)

Edited by:

Hui Li, Yan Feng Liu, Ming Guo, Rui Zhang and Jing Du

Pages:

1904-1907

DOI:

10.4028/www.scientific.net/AMR.374-377.1904

Citation:

Y. H. Li et al., "Specimen Molding Method of Chip Seal in Laboratory", Advanced Materials Research, Vols. 374-377, pp. 1904-1907, 2012

Online since:

October 2011

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Price:

$35.00

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