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 iv
... contained in the chapter on Stone has been obtained from different geologies , and the reports of the U. S. and State Geological Surveys . The entire chapter has been revised by Professor Leslie A. Lee of Bowdoin College , Brunswick ...
... contained in the chapter on Stone has been obtained from different geologies , and the reports of the U. S. and State Geological Surveys . The entire chapter has been revised by Professor Leslie A. Lee of Bowdoin College , Brunswick ...
Página 5
... 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 cubes long , and on being set up endwise had an area of 10 square inches . This would give a block about 7 ...
... 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 cubes long , and on being set up endwise had an area of 10 square inches . This would give a block about 7 ...
Página 15
... contains impurities enough to give it a color , when it is known as rose quartz , smoky quartz , etc. , according to its appear- ance . When it is in a metamorphic state with its crystals cemented together with quartz , it forms a rock ...
... contains impurities enough to give it a color , when it is known as rose quartz , smoky quartz , etc. , according to its appear- ance . When it is in a metamorphic state with its crystals cemented together with quartz , it forms a rock ...
Página 16
... containing but few and others many minerals , often grading into each other so imperceptibly that it is sometimes al- most impossible to determine where one variety ends and the other begins . For this reason , and on account of the ...
... containing but few and others many minerals , often grading into each other so imperceptibly that it is sometimes al- most impossible to determine where one variety ends and the other begins . For this reason , and on account of the ...
Página 17
... contained mica , but as the term is used commercially it includes syenite and gneiss and often porphyry . The order ... containing iron . The size of the particles of the minerals is important . The smaller the grains and the more evenly ...
... contained mica , but as the term is used commercially it includes syenite and gneiss and often porphyry . The order ... containing iron . The size of the particles of the minerals is important . The smaller the grains and the more evenly ...
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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...