 | Perry Fairfax Nursey - 1850 - 548 páginas
...4150 Ibs. is required to break the bars if applied at rest upon their centres ; but a weight of 1778 Ibs. is sufficient to produce fracture if passed over...great and unusual strains they had been subjected to. We have endeavoured to discover the laws which connect these results with each other and with practice,... | |
 | 1850 - 560 páginas
...4150 Ibs. is required to break the bars if applied at rest upon their centres ; but a weight of 1778 Ibs. is sufficient to produce fracture if passed over...beyond their centres, and often broken into four or fire pieces, thus indicating the great and unusual strains they had been subjected to. We have endeavoured... | |
 | George Drysdale Dempsey - 1850 - 72 páginas
...pounds is required to break the bars if applied at rest upon their centres ; but a weight of 1778 pounds is sufficient to produce fracture if passed over them...removed nearer to the remote extremity of the bar. 3 These startling results, which seem to belie all previously held principles upon the subject, cannot... | |
 | William Laxton - 1850 - 452 páginas
...given to the load, the points of greatest deflection, and, still more, of the greatest strains, did uot remain in the centre of the bars, but were removed...great and unusual strains they had been subjected to. We have endeavoured to discover the laws which connect these results with each other and with practice,... | |
 | 1851 - 474 páginas
...weight of 1,778 pounds is sufficient to produce fracture, if passed over them at the rate of thirty miles an hour. " It also appeared that, when motion...great and unusual strains they had been subjected to. ' ' We have endeavoured to discover the laws which connect these results with each other and with practice,... | |
 | 1851 - 470 páginas
...vertically, through different heights, and the deflections were nearly as the velocity of impact. " It also appeared that, when motion was given to the...great and unusual strains they had been subjected to. creased. Thus, for example, when the carriage, loaded to I,I20 pounds, was placed at rest upon a pair... | |
 | Cyclopaedia - 1852 - 256 páginas
...hour. It also appeared that, when motion was given to the load, the points of greatest defleetion, and, still more, of the greatest strains, did not remain in the eentre of the bars, but were removed nearer to the remote extremity of the bar. The bars, when broken... | |
 | George Rowdon Burnell - 1853 - 436 páginas
...4150 Ibs. is required to break the bars if applied at rest upon their centres ; but a weight of 1778 Ibs. is sufficient to produce fracture if passed over...great and unusual strains they had been subjected to. We have endeavoured to discover the laws which connect these results with «ach other and with practice,... | |
 | 1858 - 814 páginas
...the rate of 30 miles an hour. It also appeared that when the motion was given to the load, the pointe of greatest deflection, and still more of the greatest...great and unusual strains they had been subjected to. Experiments were made upon KM. II Bridge, on the Croydon and Epsom line, and on Godstone Bridge, on... | |
 | Bindon Blood Stoney - 1869 - 378 páginas
...it is placed at rest upon it, and accordingly, in the example above selected, a weight of 4,150 Ibs. is required to break the bars if applied at rest upon...removed nearer to the remote extremity of the bar. The bar?, when broken by a travelling load, were always fractured at points beyond their centres, and often... | |
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Ibs. is sufficient to produce fracture if passed over them at the rate of 30 miles an hour. It also appeared that when motion was given to the load, the points of greatest deflection, and, still more, of the greatest strains, did not remain in the centre... 
