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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Página x
... average life of pavements in Europe ... 46. Showing result of traction experiments at Atlantic Exposition .... 47. Showing tractive force required to draw one ton on different streets according to Prof. Haupt ..... ...... 124 133 . 133 ...
... average life of pavements in Europe ... 46. Showing result of traction experiments at Atlantic Exposition .... 47. Showing tractive force required to draw one ton on different streets according to Prof. Haupt ..... ...... 124 133 . 133 ...
Página 5
... average of 12 feet below the then surface . The stones in these old pavements were polyangular in shape , containing from 4 to 5 square feet and 12 to 14 inches deep , laid with close joints . More modern blocks in Rome were about 2 ...
... average of 12 feet below the then surface . The stones in these old pavements were polyangular in shape , containing from 4 to 5 square feet and 12 to 14 inches deep , laid with close joints . More modern blocks in Rome were about 2 ...
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... average of the tests made of this stone showed a crushing strength of 23,715 lbs . per square inch . GRANITE FROM BLUE HILL , ME . Per cent . Water 0.27 Silica 74.64 Ferric oxide . 1.56 Alumina 14.90 Lime .39 Magnesia Trace ...
... average of the tests made of this stone showed a crushing strength of 23,715 lbs . per square inch . GRANITE FROM BLUE HILL , ME . Per cent . Water 0.27 Silica 74.64 Ferric oxide . 1.56 Alumina 14.90 Lime .39 Magnesia Trace ...
Página 33
... average sample gave : Silica Iron oxide . Lime 96.90 1.68 CRUSHING STRENGTH . .55 Potash and soda .. .55 Bed ....... 17,500 Carbonic acid , water , etc ... .32 Edge ...... 14,812 100.00 Heated to 1200 ° to 1400 ° F. its color changed to ...
... average sample gave : Silica Iron oxide . Lime 96.90 1.68 CRUSHING STRENGTH . .55 Potash and soda .. .55 Bed ....... 17,500 Carbonic acid , water , etc ... .32 Edge ...... 14,812 100.00 Heated to 1200 ° to 1400 ° F. its color changed to ...
Página 37
... average of 7000 pounds per square inch with a maximum of 13,200 pounds . Experiments on 1 - inch cubes were also made to ascertain its fire - resisting qualities . Heated to 1000 ° F. and plunged into cold water the samples were not ...
... average of 7000 pounds per square inch with a maximum of 13,200 pounds . Experiments on 1 - inch cubes were also made to ascertain its fire - resisting qualities . Heated to 1000 ° F. and plunged into cold water the samples were not ...
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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 City Engineer clay clean coal-tar cobblestone condition construction contract contractor cost course creosote cubic yard curb deposit 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 layer less lime limestone macadam ment method miles mineral mixed mixture mortar obtained oxide paving material paving-brick paving-cement petroleum placed Portland cement pounds proper quantity quartz rail rammed repairs road roadway rolling samples sand sandstone screenings shows sidewalk Silica smooth specific gravity square inch square yard street street-car subgrade TABLE temperature tion track traffic trap-rock vary wearing surface width wood pavements York York City
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Página 425 - ... prescribe. In the case of neglect of any corporation to make these pavements or repairs after the expiration of thirty days' notice to do so, the local authorities may make same at the expense of such corporation.•' The street-car companies, however, have not always lived up to this requirement, and it was stated in a paper read before the American Society of Civil Engineers in December, 1896, that bills aggregating more than $700,000 had accumulated against surface railways on Manhattan Island...