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Wrong Charles McDonald?

Charles McDonald

Engineer

City of Phoenix

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I agree to the Terms of Service and Privacy Policy. I understand that I will receive a subscription to ZoomInfo Community Edition at no charge in exchange for downloading and installing the ZoomInfo Contact Contributor utility which, among other features, involves sharing my business contacts as well as headers and signature blocks from emails that I receive.

City of Phoenix

Background Information

Employment History

Engineering Supervisor

Bureau of Highways


Web References(11 Total References)


About RPA

rubberpavements.org [cached]

Over 40 year ago, Charlie McDonald, an engineer for the City of Phoenix, developed ad time/temperature formula for
mixing scrap tire material and asphalt to develop a material that would make the asphalt behave much like tire rubber. His motivation started earlier when he was with the Bureau of Highways (now FHWA) and traveled extensively in State Parks in California, living in a small trailer with a leaky roof and he needed a flexible material to patch and seal the roof so the rather primitive roadways would not continue to cause cracking. After he joined the City of Phoenix, he continued his experiments, first in his kitchen and later in the engineering laboratory. When he was satisfied he had achieved the right formula, he took the material to the street s where he covered potholes. Application methods were primitive, but the binder he created started a whole new paving industry. Charlie McDonald


City Of Phoenix - Online Tips City Of Phoenix

www.fsphoenix.com [cached]

RAC Usage Survey The City of Phoenix Rubberized asphalt was developed in the mid 1960s when Charles McDonald, the Materials Engineer for the City of Phoenix, blended approximately 18 percent crumb ... http://www.rubberizedasph ... g/history/phoenix.htm


Frequently Asked Questions

www.rubberpavements.org [cached]

1960s, Charles McDonald, a former Federal Bureau of Highways (now FHWA) employee and later the Engineering Supervisor Materials Testing Section


ARTIC - Industry

www.rubberpavements.org [cached]

material, known as OVER-FLEX, was invented by Charles H. McDonald of Phoenix, Arizona.
During his years... Read More Recycled Tire Rubber in Asphalt Pavements Asphalt and crumb rubber was first mixed and developed in the 1950's. The mixture was heated to dissolve the crumb rubber to allow easy handling. McDonald found that asphalt and rubber mixes offered the greatest advantages when the physical properties approached rubber. He selected... Read More


FAQ

www.rubberpavements.org [cached]

In the 1960s, Charles McDonald, a former Federal Bureau of Highways (now FHWA) employee and later the Engineering Supervisor


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