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Abstract
Fiberglass backed and felt backed roofing shingle wastes from manufacturing were introduced into dense-graded and stone-mastic asphalt mixtures. The common materials used in roofing and hot-mix applications such as asphalt, fine aggregate, and mineral filler suggest compatibility. It is hypothesized that possible improvements in the tensile characteristics of asphalt pavement mixtues might result in the tensile characteristics of asphalt pavement mixtures might result from the fibers used in the roofing materials. Initiallhy, thre levels of rofoign waster percentages were evaluated in each mixtured type along with two grades of asphalt cement. The fiberglass shingles proved to be more susceptible to changes in asphalt content than the felt. As the percentage of roofing waste increased, the compactibilty of the mixtures was icnreased. Resilient modulus and splitting tensile strength date further illustrate the differences between the modified mixtures and the control materials.
Fiberglass backed and felt backed roofing shingle wastes from manufacturing were introduced into dense-graded and stone-mastic asphalt mixtures. The common materials used in roofing and hot-mix applications such as asphalt, fine aggregate, and mineral filler suggest compatibility. It is hypothesized that possible improvements in the tensile characteristics of asphalt pavement mixtues might result in the tensile characteristics of asphalt pavement mixtures might result from the fibers used in the roofing materials. Initiallhy, thre levels of rofoign waster percentages were evaluated in each mixtured type along with two grades of asphalt cement. The fiberglass shingles proved to be more susceptible to changes in asphalt content than the felt. As the percentage of roofing waste increased, the compactibilty of the mixtures was icnreased. Resilient modulus and splitting tensile strength date further illustrate the differences between the modified mixtures and the control materials.
Date
6/1993
6/1993
Author(s)
David Newcomb; Mary Stroup-Gardiner; Brian Weikle; Andrew Drescher
David Newcomb; Mary Stroup-Gardiner; Brian Weikle; Andrew Drescher
Page(s)
145-158
145-158
Keyword(s)
fiber reinforced hot mix asphalt; roofing shingle waste; stone mastic asphalt; split mastic asphalt
fiber reinforced hot mix asphalt; roofing shingle waste; stone mastic asphalt; split mastic asphalt