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amount application asphalt average base become binder bituminous bonds bottom bricks broken built called carbon carry cement cent character clay concrete considered construction contain cost course covered depth desirable determined ditches drag drain earth edges engineers expense feet finished gallon give given grade gravel hard hauled heated heavy highway important improvements inches increase joints laid least less macadam material matter method Michigan miles mineral mixed mixture natural necessary needed obtained passing pavement paving placed plans possible pounds prevent properties resistance road roadway rock roller rolling sand screenings shoulders side slope soft sometimes specific gravity square stone subgrade surface taken temperature thickness Toughness traffic trench United usually wear weight wide width yard York
Page 198 - Louisiana Maine Maryland Massachusetts Michigan Minnesota Missouri Montana Nebraska New Hampshire New Jersey "New Mexico New York...
Page 108 - The cement shall be stored in such a manner as to permit easy access for proper inspection and identification of each shipment.
Page 117 - Mixtures of native or pyrogenous hydrocarbons and their non-metallic derivatives, which may be gases, liquids, viscous liquids, or solids, and which are soluble in carbon disulphide.
Page 107 - The specific gravity of cement shall not be less than 3.10. Should the test of cement as received fall below this requirement, a second test may be made upon a sample ignited at a low red heat. The loss in weight of the ignited cement shall not exceed 4 per cent.
Page 108 - The cement shall be delivered in suitable bags or barrels with the brand and name of the manufacturer plainly marked thereon, unless shipped in bulk. A bag shall contain 94 Ib. net. A barrel shall contain 376 Ib.
Page 107 - Portland cement is the product obtained by finely pulverizing clinker produced by calcining to incipient fusion an intimate and properly proportioned mixture of argillaceous and calcareous materials, with no additions subsequent to calcination excepting water and calcined or uncalcined gypsum.
Page 117 - ... the application of heat, and which consist of a mixture of hydrocarbons and their derivatives of complex structure, largely cyclic and bridge compounds.
Page 110 - Healdton grade for example, it exists in a form requiring special treatment for its elimination. Oils from the Gulf Field are characterized by relatively high percentages of asphalt and low percentages of the lighter gravity distillation products. Considerable sulphur is present, much of which, however, is in the form of sulphureted hydrogen, and is easily removed by steam before refining or utilizing the oil as fuel. Oils from Wyoming and Colorado are in the main of paraffin base, suitable for refining...