Street Pavements and Paving Materials: A Manual of City Pavements : the Methods and Materials of Their ConstructionJohn Wiley & Sons, 1900 - 532 páginas |
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... Bitumen - Definition of Bitumen and Asphalt - Maltha - Origin of Asphalt - Chemistry of Asphalt and Bitumen - Methods of Analyzing Asphalt - Trinidad As- phalt - Description of Pitch Lake - Composition of Pitch Lake Asphalt -California ...
... Bitumen - Definition of Bitumen and Asphalt - Maltha - Origin of Asphalt - Chemistry of Asphalt and Bitumen - Methods of Analyzing Asphalt - Trinidad As- phalt - Description of Pitch Lake - Composition of Pitch Lake Asphalt -California ...
Página 39
... limestone the calcium carbonate averaged 99.2 % . Limestones tested by General Gillmore for crushing strength varied from 3450 to 25,000 lbs . per square inch . CHAPTER III . ASPHALT . ASPHALT or bitumen under some STONE . 39.
... limestone the calcium carbonate averaged 99.2 % . Limestones tested by General Gillmore for crushing strength varied from 3450 to 25,000 lbs . per square inch . CHAPTER III . ASPHALT . ASPHALT or bitumen under some STONE . 39.
Página 40
... bitumen under some name has been in use for many ages . The terms have been used so much synonymously as well as interchangeably that it is often difficult to tell just what varie- ties are referred to . The practice is still kept up to ...
... bitumen under some name has been in use for many ages . The terms have been used so much synonymously as well as interchangeably that it is often difficult to tell just what varie- ties are referred to . The practice is still kept up to ...
Página 41
... Bitumen , they say , is from the Hebrew word chemar , and aopaλtos from two Hebrew words meaning " mud . " Liddell and Scott also say that the belief that άopaltos is derived from opallo is erroneous . It is also stated in profane ...
... Bitumen , they say , is from the Hebrew word chemar , and aopaλtos from two Hebrew words meaning " mud . " Liddell and Scott also say that the belief that άopaltos is derived from opallo is erroneous . It is also stated in profane ...
Página 42
... bitumen , a product of the decomposition of vegetable matter , consisting mainly of hydrocarbons with variable quantities of oxygen and nitrogen . " Leon Malo : " Asphalte - Calcareous rock impregnated natu- rally by bitumen or pitch ...
... bitumen , a product of the decomposition of vegetable matter , consisting mainly of hydrocarbons with variable quantities of oxygen and nitrogen . " Leon Malo : " Asphalte - Calcareous rock impregnated natu- rally by bitumen or pitch ...
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abutting prop Alumina amount asphalt pavement asphaltene asphaltic cement average binder bitumen bituminous rock blocks brick pavement broken stone Brooklyn carbon cent centre chemical City Engineer clay clean coal-tar cobblestone condition construction contract contractor cost course creosote cubic yard curb depth durable entire erty owners expense feet wide feldspar filled foundation grade granite gravel grooved rail grout gutter hard heat hornblende inches inches deep inches thick inches wide iron joints laid Large 12mo less lime limestone macadam ment method miles mineral mixed mixture mortar obtained oxide paving material paving-brick paving-cement petroleum placed Portland cement practically proper quantity quartz rail rammed repairs road roadway rock asphalt rolling sand sandstone screenings shows sidewalk Silica smooth specific gravity square inch square yard street street-car strength subgrade TABLE temperature tion track traffic trap-rock wearing surface width York York City
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Página 418 - ... any improper materials used in its construction, or by or on account of any act or omission of the said Contractor or his agents...
Página 539 - Factories 16mo, mor. 1 50 * Muir's History of Chemical Theories and Laws 8vo, 4 00 Mulliken's General Method for the Identification of Pure Organic Compounds. VoL I. Compounds of Carbon with Hydrogen and Oxygen. Large 8vo, 5 00 Vol. II. Nitrogenous Compounds. (In Preparation.) Vol. III. The Commercial Dyestuffs Large 8vo, 5 00 * Nelson's Analysis of Drugs and Medicines 12mo, 3 00 Ostwald's Conversations on Chemistry.