. Official proceedings . ^ ^ - i^^ ^ ff. XRCAPINCS orM SACK o 2d-iax 3» FRAME a nc ?. points 4 around to 15 were made. Also it was found that thewidth of the bottom flange had a considerable effect upon thestress obtained, due to the twisting force of the spring plank,so that frames having different widths of bottom members weretested. Results Obtained. Table IV gives the results obtained from the tests madeon the A frames under the three loads as described above. Theweight of the frame as tested was 402 pounds. Column No. i 139 Table IV. Showing Stresses Obtained From Cast SteelSide Frame A.

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. Official proceedings . ^ ^ - i^^ ^ ff. XRCAPINCS orM SACK o 2d-iax 3» FRAME a nc ?. points 4 around to 15 were made. Also it was found that thewidth of the bottom flange had a considerable effect upon thestress obtained, due to the twisting force of the spring plank,so that frames having different widths of bottom members weretested. Results Obtained. Table IV gives the results obtained from the tests madeon the A frames under the three loads as described above. Theweight of the frame as tested was 402 pounds. Column No. i 139 Table IV. Showing Stresses Obtained From Cast SteelSide Frame A. Stress for Stress or Stress or Posi- 68500 Lbs. .5000 Lbs. 0000 Lbs. tion V^ertical Twisting Transverse Maximum No. Load Load Load Stress I II III IV V 5 —5400 None None —5400 6 9700 1100 None 10800 7 20200 —1400 800 21000 7x 6500 —3000 1600 8100 8 16500 —2200 1600 18100 8x 5400 —2700 None 5400 9 10000 —2200 2400 12400 9x 4600 —1900 None 4600 10 6200 —800 None 6200 25 8100 —1600 —500 8100 25x —2200 —3800 None

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Keywords: ., bookauthorrailwayc, bookcentury1900, bookdecade1900, bookyear1901