Fly ASH - An important ingredient for use in hot-mix ASHphalt concrete

Bruce W. Ramme, Art Covi, Ahmed Faheem, Konstantin Sobolev

Research output: Contribution to journalConference articlepeer-review

5 Scopus citations

Abstract

This paper presents an overview of laboratory and field demonstration work with beneficial use of fly Ash in hot-mix asphalt. The blend of asphalt binder and fly Ash is named “ASHphalt”. The field demonstration took place at We Energies, an electric, gas and steam utility headquartered in Milwaukee, Wisconsin, USA. Environmental sustainability benefits include conservation of energy and natural resources as well as reducing CO2 and other environmental impacts. Economic and social benefits include development of construction technologies for longer life pavements with reduced maintenance costs, and reduced impacts for pavement users. The benefits of ASHphalt include: Improved workability, easier compaction to specified density, improved binder aging resistance, a reduction in age-related cracking, extending the asphalt binder or reduction of binder content, a reduction in binder related issues, thermal stress relief, and reduced potential for thermal cracking. This paper shares the results of some laboratory testing and field demonstration work.

Original languageBritish English
JournalSustainable Construction Materials and Technologies
Volume2016-August
StatePublished - 2016
Event4th International Conference on Sustainable Construction Materials and Technologies, SCMT 2016 - Las Vegas, United States
Duration: 7 Aug 201611 Aug 2016

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