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Determine the design compressive strength of a W16 x 67 that is fixed at the bottom and free at the top (cantilever). The member is 15 ft in length and is A992 steel. Problem 3: Design of Steel Compression Memb Consider the cantilever member ofAn architectural constraint has arisen during the design and the nominal depth of the column cannot exceed 15 inches. Assuming that a factored axial load of 165 kips is expected to act on the column. Select the lightest (most economical) A992 W14 shape to support this load. Use the sample design table noting that you may interpolate if your computed KL is not directly listed.

AISC Table 4-1 Available Strength in Axial Compression, kips-W shapes LRFD: 0Pn F, 50 ks ос 0.90 Selected W14, W12, W10 W14 W12 74 58 60 767 657 597 516 757 475 458 439 419 612 740 610 707 574 516 452 878 551 781 700 610 472 415 551 497 373 513 493 471 12 465 547 351 631 410 351 572 361 343 477 317 515 291 472 512 241 494 196 172 176 345 174 157 261 136 120 317 99.8 87.0 880 766 215 115 215 192 186 90.0 107 93.4 100 89.9 97.7 203 181 784 88.1 165 829 76.4 67.3 159 68.9 182 130 116 104 93.9 158 141 126 113 101 91.3 130 130 141 113

engineering   Civil-Engineering   
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Answer #1

uhlever K 31.S From the Table DrDUi ded clhoose For KL- 3 KL 32 er Kし: 31.skt, 87(87-16) ( 31 S-30 kips 32 30 фрп 170.5 kps 7 Choose wi61 ans

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