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Pore characteristics of six limestones were studied in relation to their absorption of two asphalt cements. Porosity and pore size distribution were determined by a mercury penetration porosimeter and asphalt absorption was determined by immersion and bulk-impregnated specific gravity methods. A special study was conducted to develop new, simple and more reproducible methods for bulk specific gravity determination. As a result, a new chemical indicator method was developed to determine the saturated surface-dry condition, and a glass mercury pycnometer was designed to determine coarse and fine aggregates. Chemical and/or radiation treatments of absorptive aggregates were conducted on four chemicals and two aggregates. (Author)
Pore characteristics of six limestones were studied in relation to their absorption of two asphalt cements. Porosity and pore size distribution were determined by a mercury penetration porosimeter and asphalt absorption was determined by immersion and bulk-impregnated specific gravity methods. A special study was conducted to develop new, simple and more reproducible methods for bulk specific gravity determination. As a result, a new chemical indicator method was developed to determine the saturated surface-dry condition, and a glass mercury pycnometer was designed to determine coarse and fine aggregates. Chemical and/or radiation treatments of absorptive aggregates were conducted on four chemicals and two aggregates. (Author)
Absorption of Asphalt by Aggregate
D. Y. Lee (author)
1970
30 pages
Report
No indication
English
Relating Asphalt Absorption to Properties of Asphalt Cement and Aggregate
British Library Online Contents | 1992
|Mastic asphalt for roofing (natural rock asphalt aggregate)
Engineering Index Backfile | 1957