Revision of the Niagara Railway Arch Bridge (1920)
Charles Evan Fowler · [New York] : American Society of Civil Engineers · leaf 42
The greatest value of the strain gauge in the practical work on thearch revision was, of course, the checking up of the actual dead loadstresses, which, on account of the introduction of the adjusting shims,did not agree with the theoretical stresses; an accurate checking of thedistribution of… … Fig. 13.—Toggle Applied to Post of 115-Ft. Teuss. 195c revision of niagara railway arch bridge Unit Stresses. The fact has been recognized for some time that for heavy, special,and long-span bridges, the Profession is no longer warranted in usingthe low values for unit stresses that are prevalent…
Bridges
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