Dust Preventives and Road Binders

amount anthracene applied asphaltic oil benzene binding value Bitumen insoluble bituminous rock briquettes broken stone calcium chloride carbon bisulphide cementing value cent by vol CH₂ Character of residue chemical coal coal tar compounds considerable considered consistency construction contain crucible crude determination distillation dust layers dust preventives employed emulsions evaporation extent fixed carbon flask fluid flux free carbon gallons gilsonite grahamite grams heated heavy oils hydrocarbons light oils macadam macadam road magnesium chloride melting point method mineral aggregate mixing mixture naphtha naphthalene obtained oil residuum ordinary paraffin pavements penetration percentage permanent binder petroleum Pitch residue polymethylenes Portland cement present preventives and road produced properties purpose pycnometer quantity road binders road materials road surface road treatment sample sand semiasphaltic shown slag solid native bitumens soluble solution specific gravity square yard tars temperature temporary binders tion traffic viscous volatile water gas wearing course weight