. The use of the strain gage to determine stresses in steel structures . s under zero load. The first method was usedwhen the train load was applied rnd the second when determiningthe action of the end lift. The train load consisted of a C. II. & St. P. I5 engine andtwo cars of broken stone, ^^.ffort was rmde to obtain considerableunit stresses on the various members under this load and tothis end the engine was sometimes headed toward the cars andsometimes away from them. Plate 113 shows the weights of theengine and cars and the spacing of the individual loads, andincludes a table of moments
. The use of the strain gage to determine stresses in steel structures . s under zero load. The first method was usedwhen the train load was applied rnd the second when determiningthe action of the end lift. The train load consisted of a C. II. & St. P. I5 engine andtwo cars of broken stone, ^^.ffort was rmde to obtain considerableunit stresses on the various members under this load and tothis end the engine was sometimes headed toward the cars andsometimes away from them. Plate 113 shows the weights of theengine and cars and the spacing of the individual loads, andincludes a table of moments and lopds for use in the calculationof stresses. The work of testing was delayed considerably by the veryheaver freight traffic on the bridge, involving in a few cases,considerable lapse of time between initial readings and loadreadings. As the train load was only available for half a day thework was done with the greatest rapidity consistent with accuratemeasurements. The following tables include the data taken from test andthe results obtained therefrom. 2S-0 ft.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttheses, bookyear1914
