Street Pavements and Paving Materials: A Manual of City Pavements, the Methods and Materials of Their Construction |
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Page 37
... pounds per square inch with a maximum of 13,200 pounds . Experiments on 1 - inch cubes were also made to ascertain its fire - resisting qualities . Heated to 1000 ° F. and plunged into cold water the samples were not affected . Heated ...
... pounds per square inch with a maximum of 13,200 pounds . Experiments on 1 - inch cubes were also made to ascertain its fire - resisting qualities . Heated to 1000 ° F. and plunged into cold water the samples were not affected . Heated ...
Page 98
... pounds per square inch , and after one day in air and six days in water be capable of sustaining without rupture a tensile strain of at least 300 pounds per square inch . Cements other than Portland cement shall be considered to mean ...
... pounds per square inch , and after one day in air and six days in water be capable of sustaining without rupture a tensile strain of at least 300 pounds per square inch . Cements other than Portland cement shall be considered to mean ...
Page 101
... pounds per square inch . In Table No. 18 , the same brand was used in both cases , but one sample was taken from the ordinary delivery , and the other from a lot that had been ground in accordance with a special con- tract . Another ...
... pounds per square inch . In Table No. 18 , the same brand was used in both cases , but one sample was taken from the ordinary delivery , and the other from a lot that had been ground in accordance with a special con- tract . Another ...
Page 103
... 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 78 82 Prof. J. B. Johnson , Washington University , St. Louis ... H. R. Fahr , City Engineer ...
... 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 78 82 Prof. J. B. Johnson , Washington University , St. Louis ... H. R. Fahr , City Engineer ...
Page 107
... by General Totten at his work at Fort Adams , R. I. , previ- ous to 1830. This was that when the mortar would sustain a wire of 1/12 inch diameter weighted to 1/4 pound , it CEMENT , CEMENT MORTAR , AND CONCRETE . 107.
... by General Totten at his work at Fort Adams , R. I. , previ- ous to 1830. This was that when the mortar would sustain a wire of 1/12 inch diameter weighted to 1/4 pound , it CEMENT , CEMENT MORTAR , AND CONCRETE . 107.
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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...