Bridge Engineering, Volumen1John Wiley & Sons, Incorporated, 1916 - 2176 páginas |
Dentro del libro
Resultados 1-5 de 100
Página 1066
... concrete having a much larger area . The piers were put down by compressed air , and the following course was adopted . The pressure in the cylinder was relieved until about 4 feet of water came in . This body of water , the size of the ...
... concrete having a much larger area . The piers were put down by compressed air , and the following course was adopted . The pressure in the cylinder was relieved until about 4 feet of water came in . This body of water , the size of the ...
Página 1189
... concrete bridges have not received much attention from technical writers ; and they are rather difficult to deter ... concrete . For instance , in the case of a wall or slab the form cost per cubic yard will vary practically inversely as ...
... concrete bridges have not received much attention from technical writers ; and they are rather difficult to deter ... concrete . For instance , in the case of a wall or slab the form cost per cubic yard will vary practically inversely as ...
Página 1205
... concrete construction it is preferable to adopt the arch or the girder type . Unless the spans are quite long , the latter will generally be the cheaper , but the former is the more æsthetic , although by curving the bottoms of the concrete ...
... concrete construction it is preferable to adopt the arch or the girder type . Unless the spans are quite long , the latter will generally be the cheaper , but the former is the more æsthetic , although by curving the bottoms of the concrete ...
Página 1317
... concrete and metal per lineal foot of reinforced - concrete retaining walls . The curves correspond to a toe- pressure shown by the straight line above them , and if a smaller toe - pres- sure has to be employed the quantities given by ...
... concrete and metal per lineal foot of reinforced - concrete retaining walls . The curves correspond to a toe- pressure shown by the straight line above them , and if a smaller toe - pres- sure has to be employed the quantities given by ...
Página 1318
... CONCRETE FOR ONE EXPANSION JOINT FOR COUNTERFORTED WALLS 101 DE PRESSURES AND QUANTITIES OF CONCRETE AND METAL FOR MINIMUM SECTIONS OF 9 9000 8000 INCREASE INQUANT For for PersSUCES LES MINIMUM SECTIONS OF WALLS GENERAL NOTES Earth 118 ...
... CONCRETE FOR ONE EXPANSION JOINT FOR COUNTERFORTED WALLS 101 DE PRESSURES AND QUANTITIES OF CONCRETE AND METAL FOR MINIMUM SECTIONS OF 9 9000 8000 INCREASE INQUANT For for PersSUCES LES MINIMUM SECTIONS OF WALLS GENERAL NOTES Earth 118 ...
Términos y frases comunes
abutments angles arch asphalt bars beam bearing bending blocks bolts bracing bridge engineer caisson cantilever Cantilever Bridges cast cement cent centre chords Class Class 40 columns compression members concrete connected construction contract Contractor cost curve dead load depth diagram diameter drawings drill elastic limit erection falsework feet flanges floor system floor-beams foot of span girders hammer highway bridges holes I-Beam inch inspection Inspector iron Joint layout lineal foot live load longitudinal machinery masonry material metalwork method one-half operation panel pedestals piece piers Pile pipe placed plane plate-girder plates Portland cement Pounds per Lineal Pulley railroad rails railway reinforced reinforced concrete river rivets rollers rope shaft span length specifications steel stone stream stresses stringers structure substructure superstructure surface Swing Spans thickness timber tion towers track trestle truss vertical Weight of Metal width
Pasajes populares
Página 1144 - That such structures may be built under authority of the legislature of a State across rivers and other waterways the navigable portions of which lie wholly within the limits of a single State, provided the location and plans thereof are submitted to and approved...
Página 1144 - That the creation of any obstruction, not affirmatively authorized by Congress, to the navigable capacity of any of the waters of the United States is hereby prohibited; and it shall not be lawful to build or commence the building of any wharf, pier, dolphin, boom, weir, breakwater, bulkhead, jetty, or other structure in any port, roadstead, haven, harbor, canal, navigable river, or other water of the United States...
Página 1137 - Those rivers must be regarded as public navigable rivers in law which are navigable in fact. And they are navigable in fact when they are used, or are susceptible of being used, in their ordinary condition, as highways for commerce, over which trade and travel are or may be conducted in the customary modes of trade and travel on water.
Página 1137 - It would be a narrow rule to hold that in this country, unless a river was capable of being navigated by steam or sail vessels, it could not be treated as a public highway. The capability of use by the public for purposes of transportation and commerce affords the true criterion of the 113.
Página 1144 - ... rivers and other waterways the navigable portions of which lie wholly within the limits of a single State, provided the location and plans thereof are submitted to and approved by the Chief of Engineers and by the Secretary of War...
Página 1145 - War, and within the time prescribed by him willfully fail or refuse to remove the same or to comply with the lawful order of the Secretary of War In the premises, such persons, corporation, or association shall be deemed guilty of a misdemeanor, and on conviction thereof shall be punished by a fine not exceeding five thousand dollars, and every month such...
Página 1146 - States for examination of the offense alleged against him, and such commissioner, judge, or court shall proceed in respect thereto as authorized by law in cases of crimes against the United States.
Página 1828 - Name of firm furnishing sample Name of the firm manufacturing sample Street or job which sample represents Brands or marks on the brick Quantity furnished Drying treatment Date received Date tested Length Breadth Thickness Standardization Data Number of charges tested since last inspection...
Página 1826 - ... shall be on the center line both ways and the other two on the longitudinal center line and spaced seven (7) inches from the center each way.