Asphalt Binders Exam 2 Questions with 100% Verified solutions| Graded A+
What is asphalt? - generally a by-product of petroleum distillation; a complex hydrocarbon; soluble in petroleum products; can be naturally-occuring What is tar? - generally a by-product of coal production; resistant to petroleum products How can a source of asphalt be identified? - by solubility tests Where was asphalt obtained from originally? - Island of Trinidad and Venezuela; lakes What are petroleum-based asphalts? - a waste product from refinery-processing of crude oil; "bottom of the barrel"; properties depend on refinery operations and composition depends on crude source What are the three bituminous material types? - 1. asphalt cement/hot mix asphalt 2. emulsified asphalt 3. cutback asphalt
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