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" The magnitude of the blow in each set of experiments being made greater or smaller, as occasion required. The general result obtained was, that when the blow was powerful enough to bend the bars through one-half of their ultimate deflection (that is to... "
The Theory of Strains in Girders and Similar Structures: With Observations ... - Página 470
por Bindon Blood Stoney - 1873 - 632 páginas
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The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Volumen52

1850
...to any required distance, and suddenly releasing it, it could be made to strike a horizontal bloir upon the bar, the magnitude of which could be adjusted...fracture by dead pressure), no bar was able to stand 4000 of such blows in succession ; but all the bars (when sound) resisted the effects of 4000 blows,...
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Iron Applied to Railway Structures: Comprising an Abstract of Results of ...

George Drysdale Dempsey - 1850 - 42 páginas
...subjected, by means of this apparatus, to successions of blows, numbering in most cases as many as 4000, the magnitude of the blow in each set of experiments...fracture by dead pressure,) no bar was able to stand 4000 of such blows in succession; but all the bars (when sound) resisted the effects of 4000 blows,...
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Iron: An Illustrated Weekly Journal for Iron and Steel ..., Volumen52

Perry Fairfax Nursey - 1850
...4,000. The magnitude of the blow in each set of experiments being made greater or smaller, as oc cusion required. The general result obtained was, that when...enough to bend the bars through one-half of their ultímate deflection (that is to say, the deflection which corresponds to their fracture by dead pressure),...
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Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art

1851
...inches square, was placed on supports about 14 feet asunder. A heavy ball was suspended by a wire 18 feet long, from the roof, so as to touch the centre...blow was powerful enough to bend the bars through one half of their ultimate deflection (that is to say, the deflection which corresponds to their fracture...
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Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art

1851
...inches square, was placed on supports about I4 feet asunder. A heavy ball was suspended by a wire I8 feet long, from the roof, so as to touch the centre...blow was powerful enough to bend the bars through one half of their ultimate deflection (that is to say, the deflection which corresponds to their fracture...
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Annual Report of the Commissioner of Patents

United States. Patent Office - 1852
...than the above) were subjected to successions of blows, numbering, in most cases, as many as 4,100; the magnitude of the blow, in each set of experiments,...deflection which corresponds to their fracture by dead pressure,)«no bar was able to stand 4,000 of such blows in succession; but all the bars (when sound)...
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Annual Report of the Commissioner of Patents

United States. Patent Office - 1852
...than the above) were subjected to successions of blows, numbering, in most cases, as many as 4,100; the magnitude of the blow, in each set of experiments,...through one-half of their ultimate deflection, (that is tn say, the deflection which corresponds to their fracture by dead pressure,) no bar was able to stand...
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Supplement to the Theory, Practice, and Architecture of Bridges ...

George Rowdon Burnell - 1853 - 273 páginas
...subjected, by means of this apparatus, to successions of blows, numbering in most cases as many as 4000; the magnitude of the blow in each set of experiments...fracture by dead pressure,) no bar was able to stand 4000 of such blows in succession ; but all the bars (when sound) resisted the effects of 4000 blows,...
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Iron: Its History, Properties, and Processes of Manufacture

Sir William Fairbairn - 1861 - 235 páginas
...on Kailway Structures. It was found that with cast-iron bars subjected to long continued impacts, " when the blow was powerful enough to bend the bars...fracture by dead pressure), no bar was able to stand 4000 of such blows in succession. But all the bars (when sound) resisted the effects of 4000 blows,...
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Five Black Arts: A Popular Account of the History, Processes of Manufacture ...

William Turner Coggeshall - 1861 - 392 páginas
...on Railway Structures. It was found that with cast-iron bars subjected to long continued impacts, " when the blow was powerful enough to bend the bars...fracture by dead pressure), no bar was able to stand 4000 of such blows in succession. But all the bars (when sound) resisted the effects of 4000 blows,...
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