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3) Find the most economical wide flange section for an A992 steel beam (E = 29 x 10 ksi) which spans 30 ft. having point loads of 9 k dead load and 18 k live load at 10 ft spacings across the span with lateral bracing only at the loading points using LRFD. Assume the total load deflection limit is L/240. (See Table 3-10 provided.)

3) Find the most economical wide flange section for an A992 steel beam (E = 29 x 10 ksi) which spans 30 ft. having point loads of 9 k dead load and 18 k live load at 10 ft spacings across the span with lateral bracing only at the loading points using LRFD. Assume the total load deflection limit is L/240. (See Table 3-10 provided.)

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Table 3-10 (continued) W-Shapes Available Moment vs. Unbraced Length 香50 ksl Co 1 Table 3-10 (continued) W-Shapes 50 ksl kip-ft ASD klp-f LRFD klp-t klp-ft Available Moment vs. Unbraced Length ASD LAFD 200 300 300 450 W12x79 W14x4A 196 294 435 W12 W14x68 列 192 288 280 420 wal50 188 282 270 405 184 276 200 300 Wit40 180 270 250 075 176 264 240 172 258 345 168 252 220 130 Wi6x35 164 246 210 315 160 240 200 300 W16x36 12 Unbraced Length (0.5-ft Increments) 10 14 10 Unbraced Length (0.5-ft increments) 12 14 16 18 16 18 20 Wi W12xB7 W24r हाजी WI8GO WA62 Available Moment, M, 2 kip- increments) and 40kipR increments) WIES W21x48 Wie. Wauss Wi53 W WI650 wi W24x55 M21244 W14x48 WIENS WIB40 wio ल Available Moment, M. (1 kip-it increments) and M. (1.5 kip-ft increments)
Transcribed Image Text:Table 3-10 (continued) W-Shapes Available Moment vs. Unbraced Length 香50 ksl Co 1 Table 3-10 (continued) W-Shapes 50 ksl kip-ft ASD klp-f LRFD klp-t klp-ft Available Moment vs. Unbraced Length ASD LAFD 200 300 300 450 W12x79 W14x4A 196 294 435 W12 W14x68 列 192 288 280 420 wal50 188 282 270 405 184 276 200 300 Wit40 180 270 250 075 176 264 240 172 258 345 168 252 220 130 Wi6x35 164 246 210 315 160 240 200 300 W16x36 12 Unbraced Length (0.5-ft Increments) 10 14 10 Unbraced Length (0.5-ft increments) 12 14 16 18 16 18 20 Wi W12xB7 W24r हाजी WI8GO WA62 Available Moment, M, 2 kip- increments) and 40kipR increments) WIES W21x48 Wie. Wauss Wi53 W WI650 wi W24x55 M21244 W14x48 WIENS WIB40 wio ल Available Moment, M. (1 kip-it increments) and M. (1.5 kip-ft increments)
3) Find the most economical wide flange section for an A992 steel beam (E = 29 x 10° ksi) which spans 30 ft. having point loads of 9 k dead load and 18k live load at 10 ft spacings across the span with lateral bracing only at the loading points using LRFD. Assume the total load deflection limit is L/240. (See Table 3-10 provided.) %3D
Transcribed Image Text:3) Find the most economical wide flange section for an A992 steel beam (E = 29 x 10° ksi) which spans 30 ft. having point loads of 9 k dead load and 18k live load at 10 ft spacings across the span with lateral bracing only at the loading points using LRFD. Assume the total load deflection limit is L/240. (See Table 3-10 provided.) %3D
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