Street Pavements and Paving Materials: A Manual of City Pavements, the Methods and Materials of Their ConstructionJ. Wiley & Sons, 1901 - 555 páginas |
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Página 63
... standard of 80 per cent bitumen for shipment . In Santa Barbara County , about 27 miles from and 2000 feet above the sea , is a deposit of sand bearing bitumen that is prac- tically of unlimited amount . The problem has been to convey ...
... standard of 80 per cent bitumen for shipment . In Santa Barbara County , about 27 miles from and 2000 feet above the sea , is a deposit of sand bearing bitumen that is prac- tically of unlimited amount . The problem has been to convey ...
Página 98
... standard is , perhaps , as satisfactory as any , if the tests are carried on for a sufficient length of time , but most engineers would hesitate to accept or reject cements of which they knew nothing , from the result of so short a time ...
... standard is , perhaps , as satisfactory as any , if the tests are carried on for a sufficient length of time , but most engineers would hesitate to accept or reject cements of which they knew nothing , from the result of so short a time ...
Página 103
... standard of the American . Society of Civil Engineers . TABLE NO . 20 . Tensile Strength in Pounds . Range in Pounds . Ratio of Range to Maximum . Ratio of Average to Last . Water , per ct . R. W. Hildreth & Co. , New York .. 68 72 74 ...
... standard of the American . Society of Civil Engineers . TABLE NO . 20 . Tensile Strength in Pounds . Range in Pounds . Ratio of Range to Maximum . Ratio of Average to Last . Water , per ct . R. W. Hildreth & Co. , New York .. 68 72 74 ...
Página 104
... standard for that particular brand . It should include neat tests and also those mixed with every propor- tion of sand that is liable to be used on the work , to ascertain as well what mixture of sand will produce the requisite strength ...
... standard for that particular brand . It should include neat tests and also those mixed with every propor- tion of sand that is liable to be used on the work , to ascertain as well what mixture of sand will produce the requisite strength ...
Página 107
... standard . In the case of an excessive demand when the output is small , manufacturers are liable to put on the market a product that in the ru - h has not received sufficient attention , and which ordinarily would not be sent forth ...
... standard . In the case of an excessive demand when the output is small , manufacturers are liable to put on the market a product that in the ru - h has not received sufficient attention , and which ordinarily would not be sent forth ...
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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 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 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 roller rolling sand sandstone screenings shows sidewalk Silica smooth specific gravity square yard street street-car strength subgrade TABLE temperature tion track traffic trap-rock vary wearing surface width wood pavements York York City
Pasajes populares
Página 402 - All loss or damage arising out of the nature of the work to be done under this agreement, or from any unforeseen obstructions or difficulties which may be encountered in the prosecution of the same...
Página 412 - ... authorities, and •whenever required by them to do so, and in such manner as they may prescribe. In the case of neglect of any corpo-ration 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...
Página 412 - Every street surface railroad corporation so long as it shall continue to use any of its tracks in any street, avenue or public place in any city or village shall have and keep in permanent repair that portion of such street, avenue or public place between its tracks, the rails of its tracks, and two feet in width outside of its tracks, under the supervision of the proper local authorities, and whenever required by them to do so, and in such manner as they may prescribe. In case of the neglect of...