The elasticity and resistance of the materials of engineering . Art. 67.—Built Flanged Beams with Equal Flanges.—No Cover Plates. The flanged beam represented in Fig. i is supposed to carrya portion of the floor of a highway bridge. In this case, also,the bending resistance of the web plate will be neglected. Thebeam proper is the portion RR RR, supported at RR andRR; while the portions ARR and HRR form cantilevers forthe support of the sidewalks. The following are the dimensions : AR = HR = 6 feet. RR = 28 feet. AH = 40 feet. RR = RR = 31 inches. RB = BM = MF = FR = 7 feet. The depth RR
The elasticity and resistance of the materials of engineering . Art. 67.—Built Flanged Beams with Equal Flanges.—No Cover Plates. The flanged beam represented in Fig. i is supposed to carrya portion of the floor of a highway bridge. In this case, also,the bending resistance of the web plate will be neglected. Thebeam proper is the portion RR RR, supported at RR andRR; while the portions ARR and HRR form cantilevers forthe support of the sidewalks. The following are the dimensions : AR = HR = 6 feet. RR = 28 feet. AH = 40 feet. RR = RR = 31 inches. RB = BM = MF = FR = 7 feet. The depth RR has been taken at 31 inches, so that theeffective depth to be used in finding the flange stresses willbe about feet. 590 BUILT BEAMS. [Art. 6j, The weight of the beam proper, RRRR, added to theflooring which it supports, is taken at at 14, pounds. The greatest uniform load between R and R will be taken 37, pounds. M R.
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