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Current Attempt in Progress The beam shown will be constructed from a standard steel W-shape using an allowable bending stress of 40.7 ksi. Assume P = 69 kips, L₁=2.7 ft, and L2 = 8.1 ft. (a) Determine the minimum section modulus required for this beam. (b) From the table below, select the lightest W shape that can be used for this beam. (c) What is the total weight of the steel beam itself (i.e., not including the loads that are carried by the beam)? L1 P B L2 L₁ Wide-Flange Sections or W Shapes-U.S. Customary Units D X T

Current Attempt in Progress The beam shown will be constructed from a standard steel W-shape using an allowable bending stress of 40.7 ksi. Assume P = 69 kips, L₁=2.7 ft, and L2 = 8.1 ft. (a) Determine the minimum section modulus required for this beam. (b) From the table below, select the lightest W shape that can be used for this beam. (c) What is the total weight of the steel beam itself (i.e., not including the loads that are carried by the beam)? L1 P B L2 L₁ Wide-Flange Sections or W Shapes-U.S. Customary Units D X T

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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The beam shown will be constructed from a standard steel W-shape using an allowable bending stress of 40.7 ksi. Assume P = 69 kips, L1 = 2.7 ft, and L2 = 8.1 ft. (a) Determine the minimum section modulus required for this beam. (b) From the table below, select the lightest W shape that can be used for this beam. (c) What is the total weight of the steel beam itself (i.e., not including the loads that are carried by the beam)?
!! Question 5 of 5 ( 24 x 76 24 × 68 24 x 55 W21 x 68 21 x 62 21 x 50 21 x 44 W18 x 55 18 x 50 18 x 40 18 x 35 W16 x 57 16 x 50 16 x 40 16 x 31 W14 x 68 14 x 53 14 x 48 14 x 34 14 x 30 14 x 26 14 x 22 Answer: (a) Smin (b) Wi (c) W = i i < Save for Later 22.4 20.1 16.2 20.0 18.3 14.7 13.0 16.2 14.7 11.8 10.3 16.8 14.7 11.8 9.13 20.0 15.6 14.1 10.0 eTextbook and Media > 23.9 23.7 23.6 21.1 21.0 20.8 20.7 18.1 18.0 17.9 17.7 14.0 13.9 13.8 14.0 8.85 13.8 7.69 13.9 6.49 13.7 16.4 16.3 16.0 15.9 0.440 0.415 0.395 0.430 0.400 lb 0.380 0.350 0.390 0.355 0.315 0.300 0.430 0.380 0.305 0.275 0.415 0.370 0.340 0.285 0.270 0.255 0.230 in.³ X i 8.99 8.97 7.01 8.27 8.24 6.53 6.50 7.53 7.50 6.02 6.00 7.12 7.07 7.00 5.53 10.0 8.06 8.03 6.75 6.73 5.03 5.00 0.680 0.585 0.505 0.685 0.615 0.535 0.450 0.630 0.570 0.525 0.425 0.715 0.630 0.505 0.440 0.720 0.660 0.595 0.455 0.385 0.420 0.335 2100 1830 1350 1480 1330 984 843 890 800 612 510 758 659 518 375 722 541 484 340 291 245 199 176 154 114 140 127 94.5 81.6 98.3 88.9 68.4 57.6 92.2 81.0 64.7 47.2 103 77.8 70.2 48.6 42.0 35.3 29.0 9.69 9.55 9.11 8.60 8.54 8.18 24.9 8.06 20.7 7.41 7.38 7.21 7.04 6.72 6.68 6.63 6.41 82.5 70.4 29.1 6.01 5.89 5.85 5.83 5.73 5.65 5.54 64.7 57.5 44.9 40.1 19.1 15.3 43.1 37.2 28.9 12.4 121 57.7 51.4 23.3 19.6 8.91 7.00 0/10 Attempts: 1 of 3 used HKvision 18.4 15.7 8.30 15.7 14.0 7.64 6.37 11.9 10.7 6.35 5.12 12.1 10.5 8.25 4.49 24.2 14.3 12.8 1.92 1.87 1.34 1.80 1.77 1.30 1.26 1.67 1.65 1.27 1.22 1.60 1.59 1.57 1.17 2.46 1.92 1.91 6.91 1.53 5.82 1.49 3.55 1.08 2.80 1.04 Submit Answer
Transcribed Image Text:!! Question 5 of 5 ( 24 x 76 24 × 68 24 x 55 W21 x 68 21 x 62 21 x 50 21 x 44 W18 x 55 18 x 50 18 x 40 18 x 35 W16 x 57 16 x 50 16 x 40 16 x 31 W14 x 68 14 x 53 14 x 48 14 x 34 14 x 30 14 x 26 14 x 22 Answer: (a) Smin (b) Wi (c) W = i i < Save for Later 22.4 20.1 16.2 20.0 18.3 14.7 13.0 16.2 14.7 11.8 10.3 16.8 14.7 11.8 9.13 20.0 15.6 14.1 10.0 eTextbook and Media > 23.9 23.7 23.6 21.1 21.0 20.8 20.7 18.1 18.0 17.9 17.7 14.0 13.9 13.8 14.0 8.85 13.8 7.69 13.9 6.49 13.7 16.4 16.3 16.0 15.9 0.440 0.415 0.395 0.430 0.400 lb 0.380 0.350 0.390 0.355 0.315 0.300 0.430 0.380 0.305 0.275 0.415 0.370 0.340 0.285 0.270 0.255 0.230 in.³ X i 8.99 8.97 7.01 8.27 8.24 6.53 6.50 7.53 7.50 6.02 6.00 7.12 7.07 7.00 5.53 10.0 8.06 8.03 6.75 6.73 5.03 5.00 0.680 0.585 0.505 0.685 0.615 0.535 0.450 0.630 0.570 0.525 0.425 0.715 0.630 0.505 0.440 0.720 0.660 0.595 0.455 0.385 0.420 0.335 2100 1830 1350 1480 1330 984 843 890 800 612 510 758 659 518 375 722 541 484 340 291 245 199 176 154 114 140 127 94.5 81.6 98.3 88.9 68.4 57.6 92.2 81.0 64.7 47.2 103 77.8 70.2 48.6 42.0 35.3 29.0 9.69 9.55 9.11 8.60 8.54 8.18 24.9 8.06 20.7 7.41 7.38 7.21 7.04 6.72 6.68 6.63 6.41 82.5 70.4 29.1 6.01 5.89 5.85 5.83 5.73 5.65 5.54 64.7 57.5 44.9 40.1 19.1 15.3 43.1 37.2 28.9 12.4 121 57.7 51.4 23.3 19.6 8.91 7.00 0/10 Attempts: 1 of 3 used HKvision 18.4 15.7 8.30 15.7 14.0 7.64 6.37 11.9 10.7 6.35 5.12 12.1 10.5 8.25 4.49 24.2 14.3 12.8 1.92 1.87 1.34 1.80 1.77 1.30 1.26 1.67 1.65 1.27 1.22 1.60 1.59 1.57 1.17 2.46 1.92 1.91 6.91 1.53 5.82 1.49 3.55 1.08 2.80 1.04 Submit Answer
O Current Attempt in Progress The beam shown will be constructed from a standard steel W-shape using an allowable bending stress of 40.7 ksi. Assume P = 69 kips, L₁=2.7 ft, and L2 = 8.1 ft. (a) Determine the minimum section modulus required for this beam. (b) From the table below, select the lightest W shape that can be used for this beam. (c) What is the total weight of the steel beam itself (i.e., not including the loads that are carried by the beam)? A y L₁ Designation P W24 x 94 B L2 Web Area Depth thickness A d tw in.² 27.7 Wide-Flange Sections or W Shapes-U.S. Customary Units Flange Flange width thickness t bg in. in. 24.3 C in. 0.515 P 9.07 Li OD in. 0.875 X 1x in.4 2700 Sx in.³ 222 rx I, in.4 in. 9.87 109 HKvision tf X--X S₂ in.3 24.0 Y be ry in. 1.98 Iw
Transcribed Image Text:O Current Attempt in Progress The beam shown will be constructed from a standard steel W-shape using an allowable bending stress of 40.7 ksi. Assume P = 69 kips, L₁=2.7 ft, and L2 = 8.1 ft. (a) Determine the minimum section modulus required for this beam. (b) From the table below, select the lightest W shape that can be used for this beam. (c) What is the total weight of the steel beam itself (i.e., not including the loads that are carried by the beam)? A y L₁ Designation P W24 x 94 B L2 Web Area Depth thickness A d tw in.² 27.7 Wide-Flange Sections or W Shapes-U.S. Customary Units Flange Flange width thickness t bg in. in. 24.3 C in. 0.515 P 9.07 Li OD in. 0.875 X 1x in.4 2700 Sx in.³ 222 rx I, in.4 in. 9.87 109 HKvision tf X--X S₂ in.3 24.0 Y be ry in. 1.98 Iw
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