Street Pavements and Paving Materials: A Manual of City Pavements : the Methods and Materials of Their ConstructionJohn Wiley & Sons, 1900 - 532 páginas |
Dentro del libro
Resultados 1-5 de 99
Página 14
... less consolidated sediments and are of aqueous origin . Unstratified rocks , having been more or less completely fused , are crystalline in form and of igneous origin . The igneous rocks , while not all granite in the strictest sense ...
... less consolidated sediments and are of aqueous origin . Unstratified rocks , having been more or less completely fused , are crystalline in form and of igneous origin . The igneous rocks , while not all granite in the strictest sense ...
Página 28
... less sharp than those of rivers and lakes , on account of the constant action of the waves and tides ; while those of a desert or any place subject to the action of the winds are most rounded of all . It is only in desert sands that the ...
... less sharp than those of rivers and lakes , on account of the constant action of the waves and tides ; while those of a desert or any place subject to the action of the winds are most rounded of all . It is only in desert sands that the ...
Página 54
... less oxygen . To quote further : " I have been asked whether it would not be possible to recalculate the many analyses especially of crude asphalts made during the last few years to avoid the loss of so much labor . To this I have to ...
... less oxygen . To quote further : " I have been asked whether it would not be possible to recalculate the many analyses especially of crude asphalts made during the last few years to avoid the loss of so much labor . To this I have to ...
Página 61
... less than on the refined article , a test case was made with one cargo , and the final determination by the courts was that the asphalt treated as above must be considered as in a crude state . The average of Richardson's analyses ...
... less than on the refined article , a test case was made with one cargo , and the final determination by the courts was that the asphalt treated as above must be considered as in a crude state . The average of Richardson's analyses ...
Página 63
... less specific gravity . At a temperature of 70 ° F. it is hard and brittle , softening at 105 ° and melting at 248 ° . The crude material contains bitumen 59.15 per cent , organic matter 1.10 per cent , and mineral matter 39.75 per cent ...
... less specific gravity . At a temperature of 70 ° F. it is hard and brittle , softening at 105 ° and melting at 248 ° . The crude material contains bitumen 59.15 per cent , organic matter 1.10 per cent , and mineral matter 39.75 per cent ...
Otras ediciones - Ver todas
Términos y frases comunes
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
Pasajes populares
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.