. Proceedings of the annual convention . 21 14 14 21 21 14 2 2 2 2 2 2 2 2 2 2 2 2 2 27 23 23 20 16 16 18 16 18 27 27 21 25 21 18 14 14 16 14 16 25 25 132 75 251 5- 3-50. 245 26 463 7-13-51 20 21 23 . 2235 5233 610 501 25 26 578604 28 31 31 8- 1-51 1035 589 93 138 Notes: 1. See Fig. 1 of Progress report of Oct. 17, 1951, to AREA Committee 15, by Wyly and Carter. 2. Gross a
. Proceedings of the annual convention . 21 14 14 21 21 14 2 2 2 2 2 2 2 2 2 2 2 2 2 27 23 23 20 16 16 18 16 18 27 27 21 25 21 18 14 14 16 14 16 25 25 132 75 251 5- 3-50. 245 26 463 7-13-51 20 21 23 . 2235 5233 610 501 25 26 578604 28 31 31 8- 1-51 1035 589 93 138 Notes: 1. See Fig. 1 of Progress report of Oct. 17, 1951, to AREA Committee 15, by Wyly and Carter. 2. Gross area of specimen = 1. 68 sq. area of specimen = sq. in. 3. All loads in tension N in 1,000 cyclesSpeed of loading: 1,000 cps 4. Single lap joints used, 2 bolts each endBolts in full bearing, no clamping 5. Bored holes, push fit with bolts 6 . TesU run by L. T. Wyly and J. W. Carter. 7. For sketch of specimens and loading methods, see Fig. 24, p. 493, text p. 499, Proc. AREA Vol . 51, 1950 Figure 22 64 Iron and Steel Structures. ; (/) UJ _iO X o UJ o CD O ^ te S 9 -5H 5 5 Ij., o s o z 1 a. h- 1 (/) z llJ a: K < UJ UJ 3 z O 5 u. offi ress bosed on gross arearess applied in tension oitiol ttre&s * 1000 psi V (Ti t!su»i lunujixoiN Part 3 Experimental and Analytical Studies of Stress Distribution in Laboratory Models of Floorbeam Hanger Frames By J. W. Cox*Introduction During July and August of 1948, a static load test was performed on a 200-ftthrough Warren truss on the Missouri-Kansas-Texas Railroad near Erie, Kan. This testwas a part of an overall investigation of floorbeam hanger stresses being conducted atPurdue University, sponsored by the AAR. One fact immediately evident from analysisof the Erie bridge test was that measured hanger bending stress was 35 percent greaterthan the most carefully computed values. To study the behavior of floorbeam and hanger frames independent of the effect ofadjoining bridge members, it was necessary to
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