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Economic Factors Controlling Highway Programs
Significance of Asphalt In the Airport Program
23 other sections not shown
aggre airport amount Angeles applied asphalt cement Asphalt Institute asphaltic concrete asphaltic films asphaltic materials average base binder bituminous surfacing blade graders Bureau of Public California Division cent compacted construction contractor cracked cutback asphalts dense graded Division of Highways ductility Emulsified Asphalt emulsion equipment erial experience film gallon graded aggregates grading band hauling Highway Department Highway Engineer Hveem hydrophilic improved inch increased laboratory liquid asphalt macadam maintenance manufacturers ment methods miles mineral aggregates mixer mixing test mixtures motor grader naphtha open graded operation paper pavement paving Pennybacker percentage plant mix portland cement practice Public Roads pugmill road oil Road-Mix surfacing rock roller rolling satisfactory seal coat sieve softer asphalts soil solvent specifications speed spread square yard stability standard subgrade surface treatment temperature thickness tractor traffic truck U. S. Bureau units viscosity wearing course wheels xylene