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Q#1: Select a steel Beam using “W” section from AISC Manual for flexural members to support service dead load of 1.0 k/ft (not including beam self-weight) & service live load of 1.6 k/ft over simply supported span of 18 ft. The beam section is made of A992 steel (fy=50 ksi). Also calculate un-braced length “LP”.

Q#1: Select a steel Beam using “W” section from AISC Manual for flexural members to support service dead load of 1.0 k/ft (not including beam self-weight) & service live load of 1.6 k/ft over simply supported span of 18 ft. The beam section is made of A992 steel (fy=50 ksi). Also calculate un-braced length “LP”.

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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Q#1: Select a steel Beam using “W” section from AISC Manual for flexural members to support service dead load of 1.0 k/ft (not including beam self-weight) & service live load of 1.6 k/ft over simply supported span of 18 ft. The beam section is made of A992 steel (fy=50 ksi). Also calculate un-braced length “LP”. 

 

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Transcribed Image Text:CHANNELŠ AMERICAN STANDARD Dimensions CHANNELS AMERICAN STANDARD Propcrties. Axis X-X Axis Y-Y Nom- Shear Center PNA' Loca- Loca- tlon Web Flange Distance Max. Inal Area Depth Thickness A Fige. Fas- Grip tener Wt. per Thickness tlon: 4IPIM. tr 2 k Z. d Deşig- nation In. In. In. In. In. In. In. in. in. in.* i in.* in.' in. In.? In.. in In. in. In. Ib: in. 69.2 53.8 -5.24 11.0 8.17 3.73 1.257- 12% 12% 12% 404 3.716| 3% 0.650 % *3.520 3½ 10.650 % 0.583 0.488 0.798 0.777 11 50 15.00 0.716 15.00 0.520 9.96 15.00 0.400 ?. |s 3.400 3% 0.650 % C15 50 14.7 G.67 3.37 C.E26 9.23 8.13 1/6 349 57.2 46.5 5.44 0.390 0.330 40 0.767 11.8 42.0, E.E3 3,11 C.934 x40 33.9 0.787. 0.896 315 50.4 5.62 x33.9 2.0€ i 0.763 1.63 0.73O + 1 73 I G.799 9% 1% 1% 4.33 33.6 27.0- 4.29 5,14 3.170 3% 0.501. % 319 3.047 3, 0.501 2.942|. 30.501 2 0.366 0.305 0,252 162 144. C12x30 25 20.7 862 7.35 12.00 0.510 2 12.00 10.387 3 12.00 0.282 5 30 25 0.674, 0.674 0.698 0.618 0.746 4,43 4.61 3.84 3.43 24.1 1.47 29.2 25.4 9% 20.7 0.870 129 21.5 3.83 6.09 il. 3.42 20.7. 18.2 1 3.94 3.73 26.E 23.0 19.3 0.436 0.649 103 0.369 0.494. 0.637 G.796 0.439 3.033 4 12.686| 2% 0.436..%6 is 2.739 2% |0.436 %e 2.600 2% J0.436 %6 3 30 8.82 10.000.673 1, 16 C10430 25 0.617 0.366 91.2 3.52 3.35 3.13 1 45 10.co 0.526 25 20 7.35 15.0 13.5 0.606 Q.292 78.9 3.66 2.3: 27: 1.32 5.E3 10.CO (Q379 L49 10.00 !0.240 120 15.3 0.634 0.223 67.4 15.6 3.67 2.23 2.35 1516 15%6 15:16 16 4 2.648 2, 0.413 %6 2465 2 ja413 he : 12 433! 2% 10.413 4 60.5 13.5 11.3. 10.6 2 47 2.C5 0.583 0.515 16.8. 3.22 2.42 :.17 0.325 0.243 20 9.00 0.448 9.00 0.285 3.54. 9.00 (0233 C9r20 5.881 15 0.586 3.30 1.93 0.682 0.743 51.0 13.5 X15 4.41 *7. 1.70 i 1.55 0.601 0.217 47.9 12.5 3.48 A13.4 2.527 24 10.390 . 2343 2% (C.390 % . 2266| 2% 0.330. % 1515 1516 18.75 0.565 U.431 0.604 .0.571 -0.697. 0.209 0.343 13.8 11.0 9.03 8.14 1.93 8.ca j0.487 8.00 0.303 B00 0220 % 551 44.0 2.82 21" C8-18.75 x13.75 x11.5 6% 6% 13.75 · 35.1 32.3 7.553 0.251 10.9 2.99 1.53 1.73 . 133 11.5 3.55 3.11 1.32 1.55 .. s% 10 0.314 is j2.104 2% 0.366 % 7.00 fa210 2 12.25 9.8- 0.538 0.647 0.525 3.00 2.87 0.255 0.203 24.2 8.40 6.93 •2.60 3.703 1.17 0.503 CTa1225 % |2.090 2% 0.366 1.43 G.540 21.3 7.12 6.08 2.72 C.625 CE31 C6 13 x10.5 333 3.09 ZA0 6.00-0.437 6.00 0314 6.00 10200 2.157 24 0.343 %6 4. 2.034 % 1920 1% 0.343 %6 . % 1316 1/18 1310 e.514. 0.38o 0.199- 0.436 CS11 13 0.317 0255 4% 17.4 7.26 5.20 1.05 2.22 | 0.666 2.34 t 0.693 0.343 2.13 1.35 C.642 E25 10.5 15.2 6.15 5,13 5.06 1.15 C S64 0.593 : 0492 8.2 0.599 0.198 13.1 4.38 0.537 CS x0.7 2.64 1.97 S00 0.325 . 1895 1 0.320 %s S.00 0.150 34 34 4 1.750 1% 0.220 is 0.478 0.427 0.262 8.90 7.49 4.35 3.56 3.0. 1.83 0.632 0.S16 0.45G 0.493 6.7 0.484 0.552 ..0.217 3.51 1.95 C.479 ; 0.763, 3.378 433 CAT25 213. 4.S0 0321 n | s 1.721 1% 0296 2% 4.00 0184 he 1684 1 0296 Y. 7.25 0.459 0.457 0.386 0.2€4 4.59 2.8! 229. 1.47 C.433 C.637 0.393 C.S0 1.76 3.00 035 5:4 0.502 0.241 3.e5 2.25 1.93 1.56 0 319 0.569 0.283 0.449 1536 11 0223 4 *1.498| 1K 73 4 4 1.410 1jo273 % C3a6 147 3.00 0258 1% 1% DA55 | 0.722 9. Q.291 0.242 2.07. 4.72 1.85 1.21 -3.00 0.170 1.38 1.24 1.09 1.12 C.305 0.247 1.17. 0.197 i. 0.54 0.465 0.16 5 0.433 0.392 0.461 1.50 0.410 0.252 04C4 0233 4.1 0.436 0.284 1.65 1.30 1.10 0.401 CS Scanned with CamScanner 名み弘:弘化 为为玩为知 11
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