Use of Environmental SEM to Study Asphalt-Water Interactions
Publication: Journal of Materials in Civil Engineering
Volume 10, Issue 2
Abstract
The environmental scanning electron microscope (ESEM) has been used to study water stripping and water penetration in asphalts. ESEM images of an asphalt-coated aggregate showed progressive cracking, flaking, and stripping of asphalt from an aggregate surface as a result of progressive freeze-thaw cycles. ESEM images of an oxidatively aged asphalt that was stored underwater for six and 27 weeks showed evidence of increased water penetration with soak time. The results, although preliminary, demonstrate the feasibility of using the ESEM to study the effects of moisture on asphalts.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 10 • Issue 2 • May 1998
Pages: 121 - 124
Copyright
Copyright © 1998 American Society of Civil Engineers.
History
Published online: May 1, 1998
Published in print: May 1998
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