Street Pavements and Paving Materials: A Manual of City Pavements, the Methods and Materials of Their Construction |
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Page v
... Mineral Composition of Rocks - Quartz -Feldspar - Amphibole - Pyroxene - Mica - Granite - Gneiss - Syenite -Porphyry - Diabase - Basalt - Analyses of Granite - Annual Produc- tion of Granite - Analyses of Trap - rock - Sand - Sandstone ...
... Mineral Composition of Rocks - Quartz -Feldspar - Amphibole - Pyroxene - Mica - Granite - Gneiss - Syenite -Porphyry - Diabase - Basalt - Analyses of Granite - Annual Produc- tion of Granite - Analyses of Trap - rock - Sand - Sandstone ...
Page 14
... minerals , and these minerals make the different rocks according to the num- ber and quantity of their components . Rock can be defined as any material ... mineral . It is always found of the same composition and hardness , although 14.
... minerals , and these minerals make the different rocks according to the num- ber and quantity of their components . Rock can be defined as any material ... mineral . It is always found of the same composition and hardness , although 14.
Page 15
... mineral is sometimes called hornblende , which term really belongs to but one variety , of which there are two , the aluminous and the non - aluminous . The former contains about 45 per cent of silica , 17 of magnesia , 10 of alumina ...
... mineral is sometimes called hornblende , which term really belongs to but one variety , of which there are two , the aluminous and the non - aluminous . The former contains about 45 per cent of silica , 17 of magnesia , 10 of alumina ...
Page 16
... mineral so well and popularly known as isinglass . There are several varieties , but the two found in granite rocks are muscovite and biotite . They are always found in thin sheetlike forms and are important factors in the make - up of ...
... mineral so well and popularly known as isinglass . There are several varieties , but the two found in granite rocks are muscovite and biotite . They are always found in thin sheetlike forms and are important factors in the make - up of ...
Page 17
... minerals . Microscopic accessories occur , but in such small quantities that they will not be taken up . In some ... mineral which permits a granite to take a high polish , while pyroxene , being very brittle , often breaks out when ...
... minerals . Microscopic accessories occur , but in such small quantities that they will not be taken up . In some ... mineral which permits a granite to take a high polish , while pyroxene , being very brittle , often breaks out when ...
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Common terms and phrases
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
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Page 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...
Page 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...
Page 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...