Street Pavements and Paving Materials: A Manual of City Pavements, the Methods and Materials of Their Construction |
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Page 15
... oxides ; the latter 57 per cent of silica , 26 of manganese , 14 of lime , with small amounts of oxide of iron and manganese . Hornblende belongs to the aluminous variety . Hornblende is hard and tough and imparts these characteristics ...
... oxides ; the latter 57 per cent of silica , 26 of manganese , 14 of lime , with small amounts of oxide of iron and manganese . Hornblende belongs to the aluminous variety . Hornblende is hard and tough and imparts these characteristics ...
Page 16
... oxides 6 per cent . Mica . This is the 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 ...
... oxides 6 per cent . Mica . This is the 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 ...
Page 21
... oxide of iron and manganese 12 , and soda 4 per cent , with small quantities of potash , etc. In the United States it is found principally west of the Mississippi , and especially in Cali- fornia and Oregon . It is generally finer ...
... oxide of iron and manganese 12 , and soda 4 per cent , with small quantities of potash , etc. In the United States it is found principally west of the Mississippi , and especially in Cali- fornia and Oregon . It is generally finer ...
Page 22
... oxide .. Lime Magnesia Sulphur Oxide of potassium . . Oxide of sodium ... Total Per cent . 68.11 14.28 2.63 1.86 .68 .34 5.46 6.57 99.93 An average of the tests made of this stone showed a crushing strength of 23,715 lbs . per square ...
... oxide .. Lime Magnesia Sulphur Oxide of potassium . . Oxide of sodium ... Total Per cent . 68.11 14.28 2.63 1.86 .68 .34 5.46 6.57 99.93 An average of the tests made of this stone showed a crushing strength of 23,715 lbs . per square ...
Page 23
... oxide and iron peroxide . Alumina Ferric oxide .. Ferrous oxide . Lime Magnesia Soda . Potash Water ..... Sulphur and carbon dioxide . Per cent . 71.54 0.84 14.24 .74 1.18 .98 .34 3.39 4.73 .61 Trace 98.59 This rock is described as an ...
... oxide and iron peroxide . Alumina Ferric oxide .. Ferrous oxide . Lime Magnesia Soda . Potash Water ..... Sulphur and carbon dioxide . Per cent . 71.54 0.84 14.24 .74 1.18 .98 .34 3.39 4.73 .61 Trace 98.59 This rock is described as an ...
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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
Popular passages
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...