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2. Select the lightest W-shape beam section with a simple span of 35 ft. The nominal loads are a uniform dead load of 0.
Posted: Sat May 21, 2022 12:45 pm
by answerhappygod
- 2 Select The Lightest W Shape Beam Section With A Simple Span Of 35 Ft The Nominal Loads Are A Uniform Dead Load Of 0 1 (750.76 KiB) Viewed 30 times
2. Select the lightest W-shape beam section with a simple span of 35 ft. The nominal loads are a uniform dead load of 0.45 kip/A! (in addition to the weight of the beam) and a uniform live load of 0.75 kip/ft. Assume compact section. Use Load and Resistance Factor Design, and select A572 Grade 50 steel, and F, = 50 ksi.(25points) Check: Width/Thickness Limits ing and Apy for “Compact Section” Beams to Achieve Significant Plastic Strain(E=29000ksi and Fy=50 ksi) 640 pw by sa 2= 65 nahi showTF, 2t W, = 0.45 kip/ft w = 0.75 kip/ft 35'-0 Table W-shapes, Fy=50ksi Z Nominal wt. Compact Section Criteria Shape PM, Kip-ft LRFD In. Lb/ft 2 = bi 21, h 2= 69.6 43 50 W14x43 W12x50 W12x53 W16x40 W14x48 W16x45 53 261 270 292 274 71.9 77.9 73.0 78.4 82.3 7.54 6.31 8.69 6.93 6.75 6.23 40 37.4 26.8 28.1 46.5 33.6 41.1 294 48 309 45