The Washington Bridge Over the Harlem River, at 181st Street, New York City: A Description of Its Construction, Volumen1L. von Rosenberg, 1889 - 90 páginas |
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Página 27
... thickness , is laid upon the binder course . The roadway is crowned nine inches in its width of fifty feet . The drain- age of the roadway over the metal structure is to the abutments . The slope is very slight from the centre pier to ...
... thickness , is laid upon the binder course . The roadway is crowned nine inches in its width of fifty feet . The drain- age of the roadway over the metal structure is to the abutments . The slope is very slight from the centre pier to ...
Página 28
... thickness of flange - plates ) , and are composed each of a web - plate of mild steel three - eighths of an inch in thickness ( except for the end - panels , which are three - quarters of an inch thick ) , with double flanges at top and ...
... thickness of flange - plates ) , and are composed each of a web - plate of mild steel three - eighths of an inch in thickness ( except for the end - panels , which are three - quarters of an inch thick ) , with double flanges at top and ...
Página 25
... thickness . It is bolted to the ends of the floor - beams and supported by intermediate brackets five feet apart . The water - table and the large members of the cornice are supported by cast - iron brackets placed every five feet and ...
... thickness . It is bolted to the ends of the floor - beams and supported by intermediate brackets five feet apart . The water - table and the large members of the cornice are supported by cast - iron brackets placed every five feet and ...
Página 63
... thickness , each layer to be kept as nearly horizontal as may be , wetted and rolled with a heavy grooved roller . Such rock as it may be necessary to use will be placed in the outer slopes , or , if any is permitted under the roadway ...
... thickness , each layer to be kept as nearly horizontal as may be , wetted and rolled with a heavy grooved roller . Such rock as it may be necessary to use will be placed in the outer slopes , or , if any is permitted under the roadway ...
Página 65
... thickness as the engineer may direct , will be laid up of the best stone taken from excavation , laid to a fair face , and bonded as well as the character of the stone will permit . Slope walls of same stone will be laid by hand on the ...
... thickness as the engineer may direct , will be laid up of the best stone taken from excavation , laid to a fair face , and bonded as well as the character of the stone will permit . Slope walls of same stone will be laid by hand on the ...
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Términos y frases comunes
2d test ANGLES arch ribs beams beds BENDING blue-stone bolts Bowlders buckle plates Building caisson CENTER LINE certificate Chief Engineer City coal-tar Commissioners compression concrete construction contract Contractors cornice cross Croton Aqueduct cubic yard cup Partial cup DEAD LOAD depth diameter EAST ELEVATION erection excavation Extrados face feet FLANGE floor floor-beams foundation of piers furnished GEORGE W. G. FERRIS Gneiss granite Granite in piers Gravel gutter half inches Hard Rock HARLEM RIVER BRIDGE HOIST Inspector Intrados joints laid LAND SPAN lineal foot MANUFACTURERS masonry material mean high water METAL ARCHES mortar MOVING LOAD MYLES TIERNEY parapet Passaic Rolling Mill pavement pipes plans Portland cement posts pounds per square rivets roadway Rosendale ROUND ROD Sand SCALE SECTION SEGMENT Shist side silky Silt Soft Rock square inch steel arches Street surface temperature THEODORE COOPER thereof thickness tons UNION IRON vertical WASHINGTON BRIDGE WEBPLATE width York ΙΟ
Pasajes populares
Página 70 - Fahrenheit, must stand bending in a press to a curve of which the inner radius is one and a half times the thickness of the plates tested.
Página 70 - At least one sample in three must bend 180 degrees to this curve without cracking. When nicked on one side, and bent by a blow from a sledge, the fracture must be nearly all fibrous, showing but few crystalline specks. 109. Specimens from angle, plate...
Página 52 - The aqueduct commissioners, provided for and holding office under and pursuant to the provisions of an act of the legislature of the state of New York, entitled "An act to provide new reservoirs, dams and a new aqueduct with the appurtenances thereto, for the purpose of supplying the city of New York with an increased supply of pure and wholesome water...
Página 55 - 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 59 - Sciences hath hereunto caused its corporate seal to be affixed and these presents to be subscribed by its President, this sixth day of May, in the year one thousand eight hundred and eighty-four.
Página 75 - The pulverized carbonate of lime, granite, or quartz while cold shall be mixed with the hot sand in the required proportions, and then mixed with the asphaltic cement, at the required temperature and in the proper proportion, in a suitable apparatus, so as to effect a thoroughly homogeneous mixture.
Página 59 - Polir, to me known and known to me to be one of the individuals described in and who executed the foregoing instrument and acknowledged to me that he executed the same.
Página 70 - The steel must be uniform in character for each specified kind. The finished bars, plates and shapes must be free from cracks on the faces or corners, and have a clean, smooth finish. No work shall be put upon any steel at or near the blue temperature or between that of boiling water and of ignition of hard wood sawdust.
Página 56 - ... improper materials used in its construction, or by or on account of any act or omission of the said contractor or his agents...
Página 52 - The aqueduct commissioners, provided for and •toSSi!!" holding office under and pursuant to the provisions of an act of the legislature of the state of New York, entitled "An act to provide new reservoirs, dams and a new aqueduct with the appurtenances thereto, for the purpose of supplying the city of New York...