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" A great variation exists in the strength of iron bars which have been cut and welded; whilst some bear almost as much as the uncut bar, the strength of others is reduced fully a third. "
The Theory of Strains in Girders and Similar Structures: With Observations ... - Página 307
por Bindon Blood Stoney - 1873 - 632 páginas
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Railway Construction, Second Series: Illustrated with 91 Plates of Railways ...

William Davis Haskoll - 1864 - 91 páginas
...nearly to their breaking point. " A great variation exists in the strength of iron bars which have been cut and welded ; whilst some bear almost as much...bar, the strength of others is reduced fully a third. • "The breaking strain is considerably less when the strain Is applied suddenly instead of gradually,...
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A Treatise on Ordnance and Armor: Embracing Descriptions, Discussions, and ...

Alexander Lyman Holley - 1865 - 900 páginas
...blister." Mr. Kirkaldy concludes* that " a great variation exists in the strength of iron bars which have been cut and welded ; whilst some bear almost as much...the strength of others is reduced fully a third." 4OO. SHAPE. — A solid-forged gun may be turned down to the Dahlgren form (see Ames's gun, 129), so...
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A Treatise on Ordnance and Armor: Embracing Descriptions, Discussions, and ...

Alexander Lyman Holley - 1865 - 900 páginas
...that " a great variation exists in the strength of iron bars which have been cut and welded ; wlulst some bear almost as much as the uncut bar, the strength of others is reduced fully a third." 409. SHAPE. — A solid-forged gun may be turned down to the Dahlgren form (see Ames's gun, 129), BO...
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The Theory of Strains in Girders and Similar Stuctures with ..., Volumen2

Bindon Blood Stoney - 1869
...nearly to their breaking point. 54. A great variation exists in the strength of iron bars which have been cut and welded ; whilst some bear almost as much...owing to their being so easily burned by slightly overbeating, is a difficult and uncertain operation. 56. Iron is injured by being brought to a white...
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The Theory of Strains in Girders and Similar Stuctures with ..., Volumen2

Bindon Blood Stoney - 1869
...nearly to their breaking point. 54. A great variation exists in the strength of iron bars which have been cut and welded ; whilst some bear almost as much...55. The welding of steel bars, owing to their being BO easily burned by slightly overheating, is a difficult and uncertain operation. 56. Iron is injured...
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A Treatise on Civil Engineering

Dennis Hart Mahan - 1873 - 513 páginas
...nearly to their breaking-point. 39. A great variation exists in the strength of iron bare which have been- cut and welded ; whilst some bear almost as...bar, the strength of others is reduced fully a third. 40. Iron is injured by being brought to a white or welding heat if not at the same time hammered or...
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A Treatise on Civil Engineering

Dennis Hart Mahan - 1873 - 513 páginas
...imagined. 38. Screwed bolts are not necessarily injured although strained nearly to their breaking-point. much as the uncut bar, the strength of others is reduced fully a third. 40. Iron is injured by being brought to a white or welding heat if not at the same time hammered or...
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A Treatise on Civil Engineering

Dennis Hart Mahan - 1875 - 607 páginas
...shearing strain of steel rivets is found to be about a fourth less than the tensile strain (163). 16. The welding of steel bars, owing to their being so easily burned by s]jghtly overheating, is a difficult and uncertain operation (181, 15). 18. In cast steel the density...
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A Treatise on Civil Engineering

Dennis Hart Mahan - 1877 - 607 páginas
...variation exists in the strength of iron bars which have been cut and welded ; whilst some bear almost aa much as the uncut bar, the strength of others is reduced fully a third. 40. Iron is injured by being brought to a white or welding heat if not at the same time hammered or...
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Manual for Railroad Engineers and Engineering Students: Containing the Rules ...

George Leonard Vose - 1878 - 570 páginas
...point. 54. A great variation exists in the strength of iron bars which have been cut and welded ; while some bear almost as much as the uncut bar, the strength...brought to a white or welding heat, if not at the same time hammered or rolled. 57. The breaking strain is considerably less when the strain is applied...
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