A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Laboratory test procedure for evaluating durability of paving asphalts is proposed which is intended to simulate two-stage hardening of asphalt during mixing processes and subsequent pavement service life; test consists of first subjecting asphalt to thin film oven test (TFOT) and then treating residue in oxygen at high pressures; TFOT at 325 F is to simulate changes that may occur in asphalt during hot-mixing, and pressure-oxidation process at 150 F is to simulate changes that may occur in asphalt during pavement service life; 1/8-in. film thickness is used in both treatments.
Laboratory test procedure for evaluating durability of paving asphalts is proposed which is intended to simulate two-stage hardening of asphalt during mixing processes and subsequent pavement service life; test consists of first subjecting asphalt to thin film oven test (TFOT) and then treating residue in oxygen at high pressures; TFOT at 325 F is to simulate changes that may occur in asphalt during hot-mixing, and pressure-oxidation process at 150 F is to simulate changes that may occur in asphalt during pavement service life; 1/8-in. film thickness is used in both treatments.
Development of laboratory durability test for asphalts
Nat Research Council -- Highway Research Board -- Research Rec
Lee, D.Y. (author)
1968
16 pages
Article (Journal)
English
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