john s. gordon

7 Ways to Profit from Asphalt and Highway Construction

2639 - no the bunker for ships is #6 oil, or a mixture of #4 and 6. it has to have a melting point low enough to be pumpable/sprayable in the burner.

3219 - one incentive for overpaving existing or deteriorated concrete with asphalt (or bituminous concrete) was to get rid of the thump- thump-thump. concrete road has to be poured in sections with an expansion joint between blocks (hot vs. cold weather). we had an extreme hot weather condition here on the wash. beltway in the 1960's where thermal expansion became so severe on the 66-mile loop that it sprung the pavement, i.e., you were driving along minding your own business and suddenly went over a 12-inch cliff. they had to redo and widen all the expansion joints.
> jack

7 Ways to Profit from Asphalt and Highway Construction

in oil refineries, 'asphalt' or vacuum-tower bottoms is also fed to flexicokers to generate additional supplies of naphtha to enter the gasoline pool. if we were to have high gasoline prices again, there would be competing demands for road paving & coker feed. this would alter the competitive economics of concrete vs. asphalt.
> jack