 | Manchester Literary and Philosophical Society - 1865 - 530 pàgines
...building of the tubular bridges, speaks in the highest terms of the importance of Mr. Hodgkinson1s labours in fixing the proper dimensions of the bridges....the square of their linear dimensions, being about 1 -9 power instead of the square. 3. The tubes may be reduced in strength and thickness towards the... | |
 | United States. Congress. House - 1869 - 516 pàgines
...tons when the thickness of metal varies from .525, .272, to .124 of an inch. The determination of (f) is the chief obstacle to obtaining a formula for the...strength of the Conway tube was calculated to bear 1,084 tons when the value of (f) was taken at 8 toes, and the deflection about 15J inches in the middle.... | |
 | Smithsonian Institution. Board of Regents - 1869 - 488 pàgines
...an inch. The determination of (f) is the chief obstacle to obtaining a formula for the cqmputation of the strength of tubes of every form. . The strength of the Conway tube was calculated to bear 1,084 tons when the value of (f) was taken at 8 tons, and the deflection about 15J inches in the middle.... | |
 | Manchester Literary and Philosophical Society - 1883 - 516 pàgines
...such signal service to the engineer in the execution of his novel design, are as follows :— ' I. The value of (/) the strain upon a square inch at...strength of the Conway tube was calculated to bear 1,084 tons when the value of (/) was taken at 8 tons and the deflection about 15^ inches in the middle.... | |
 | Robert Angus Smith - 1883 - 500 pàgines
...bottom of the tube is constant in material of the same nature, while it varies from 19, 14, to 7 f tons when the thickness of metal varies from '525,...strength of the Conway tube was calculated to bear 1,084 tons when the value of (/) was taken at 8 tons and the deflection about 15^ inches in the middle.... | |
 | Manchester Literary and Philosophical Society - 1883 - 780 pàgines
...or bottom of the tube is constant in material of the same nature, while it varies from 19, 14, to 7f tons when the thickness of metal varies from -525,...every form. ' The strength of the Conway tube was caleulated to bear 1,084 tons when the value of (/) was taken at 8 tons and the deflection about 15^... | |
 | Smithsonian Institution. Board of Regents - 1872 - 500 pàgines
...tons when the thickness of metal varies from .525, .272, to .124 of an inch. The determination of (f) is the chief obstacle to obtaining a formula for the...strength of the Conway tube was calculated to bear 1,084 tons when the value of (f) was taken at 8 tons, and the deflection about 15£ inches iu the middle.... | |
 | Smithsonian Institution. Board of Regents - 1869 - 488 pàgines
....525, .272, to .124 of an inch. The determination of (f) is the chief obstacle to obtaining a foonula for the computation of the strength of tubes of every...strength of the Conway tube was calculated to bear 1,084 tons when the value of (f) was taken at 8 tons, and the deflection about 15J inches in the middle.... | |
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The value of (/) the strain upon a square inch at the top or bottom of the tube is constant in material of the same nature, while it varies from 19, 14, to 7$ tons when the thickness of metal varies from -525, -272, to -124 of an inch. 