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 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 16
... are quartz and feldspar , and the char- acterizing accessories hornblende , pyroxene , and mica , with some other less important minerals . Microscopic accessories occur , but 16 STREET PAVEMENTS AND PAVING MATERIALS .
... are quartz and feldspar , and the char- acterizing accessories hornblende , pyroxene , and mica , with some other less important minerals . Microscopic accessories occur , but 16 STREET PAVEMENTS AND PAVING MATERIALS .
Página 20
... less distorted on account of interference during the process of formation . The feldspar gen- erally crystallizes before the ferromagnesian constituent , the former being often found wrapped around by the augite . As a rule it is finer ...
... less distorted on account of interference during the process of formation . The feldspar gen- erally crystallizes before the ferromagnesian constituent , the former being often found wrapped around by the augite . As a rule it is finer ...
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 ...
... 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 ...
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 ...
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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...