Bridge Engineering, Volumen1John Wiley & Sons, Incorporated, 1916 - 2176 páginas |
Dentro del libro
Resultados 1-5 de 100
Página 1068
... floor that we have adopted as standard , and which we find saves a great amount of metal . We place the floor - beams at regular intervals ( in the neighborhood of 10 ' ) regardless of the panel points ; in fact , we try to make this ...
... floor that we have adopted as standard , and which we find saves a great amount of metal . We place the floor - beams at regular intervals ( in the neighborhood of 10 ' ) regardless of the panel points ; in fact , we try to make this ...
Página 1083
... floor , whether of timber ties , ballast , or solid steel . Is the structure to provide for highway traffic ; and , if so , of what kinds ? How many lines of stringers per track are to be adopted ? Make sketch of floor , and give ...
... floor , whether of timber ties , ballast , or solid steel . Is the structure to provide for highway traffic ; and , if so , of what kinds ? How many lines of stringers per track are to be adopted ? Make sketch of floor , and give ...
Página 1086
... floor , whether of timber , reinforced concrete , buckled plate , or asphal- tum and concrete on buckled plate . Make sketch of floor . 5th . Widths of sidewalks , if any be required . Live load . ( See Bridges . ) 6th . 1086 CHAPTER ...
... floor , whether of timber , reinforced concrete , buckled plate , or asphal- tum and concrete on buckled plate . Make sketch of floor . 5th . Widths of sidewalks , if any be required . Live load . ( See Bridges . ) 6th . 1086 CHAPTER ...
Página 1180
... floor elevation . Illustration No. 65 is that of the Niagara Railroad arch span , which , considered by itself , is quite effective ; but the sudden change from the arch to the shallow approach spans , without an intervening mass of ma ...
... floor elevation . Illustration No. 65 is that of the Niagara Railroad arch span , which , considered by itself , is quite effective ; but the sudden change from the arch to the shallow approach spans , without an intervening mass of ma ...
Página 1184
... floor - beams be used , a detail which very properly has gone out of fashion . In two five - hundred - foot spans of a combined railway and highway bridge the author employed a truss depth of seventy - two feet ; but this was determined ...
... floor - beams be used , a detail which very properly has gone out of fashion . In two five - hundred - foot spans of a combined railway and highway bridge the author employed a truss depth of seventy - two feet ; but this was determined ...
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.