Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Evaluation of Voids in the Mineral Aggregate for HMA Paving Mixtures
The concept of voids in the mineral aggregate (VMA) is considered fundamental in the design of dense-graded hot mix asphalt (HMA) mixtures. The term VMA describes that portion of the space in a compacted HMA pavement or specimen which is not occupied by the aggregate. Current mix design procedures including Superpave are largely based upon the need for selecting and proportioning the various materials to meet certain volumetric properties such as VMA. A minimum VMA requirement (based on the maximum nominal size of the aggregate) is used to ensure that the HMA mix is not deficient in asphalt cement (thereby ensuring mix durability) and/or in the voids in the total mix (VTM) to prevent bleeding or rutting.
Evaluation of Voids in the Mineral Aggregate for HMA Paving Mixtures
The concept of voids in the mineral aggregate (VMA) is considered fundamental in the design of dense-graded hot mix asphalt (HMA) mixtures. The term VMA describes that portion of the space in a compacted HMA pavement or specimen which is not occupied by the aggregate. Current mix design procedures including Superpave are largely based upon the need for selecting and proportioning the various materials to meet certain volumetric properties such as VMA. A minimum VMA requirement (based on the maximum nominal size of the aggregate) is used to ensure that the HMA mix is not deficient in asphalt cement (thereby ensuring mix durability) and/or in the voids in the total mix (VTM) to prevent bleeding or rutting.
Evaluation of Voids in the Mineral Aggregate for HMA Paving Mixtures
P. S. Kandhal (Autor:in) / S. Chakraborty (Autor:in)
1996
46 pages
Report
Keine Angabe
Englisch
Construction Equipment, Materials, & Supplies , Highway Engineering , Hot mix paving mixtures , Aggregates , Voids , Asphalt pavements , Road materials , Asphalt concretes , Superpave , Film thickness , Durability , Design , Evaluation , Voids in the Mineral Aggregate(VMA) , VMA(Voids in the Mineral Aggregate)
Evaluation of Voids in the Mineral Aggregate for HMA Paving Mixtures
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