Sổ tay kết cấu thép - Section 1

... 90 11 0 19 —Over 11 ⁄2to 2 maxن65 85 10 5 19 —Grade D 3 maximumن75 90 11 0 18 —A852 4 maximumن70 90 11 0 19 —A 913 1 5 50 65 21 18 1 5 60 75 18 16 1 5 65 80 17 15 1 5 70 90 16 14 1. 4SECTION ONETABLE 1. 1Specified ... 11 ⁄2maximumن32 58– 71 24 21Grade 65 11 ⁄2maximumن35 65–77 23 20Grade 70 11 ⁄2maximumن42 70–90 21 18High-strength low-alloy steelsA2423⁄4maximum 1 and 2 50...

Ngày tải lên: 18/10/2012, 16:13

... designed as bearing-type, fully-tightened, loose-to-slip or slip-critical connections (see Art. 5.3). Bearing-type connections have a higher allowable load ordesign strength. Slip-critical connections ... and weldingposition. Electrode sizes of1⁄8,5⁄32,3 16 ,7⁄32 ,1 4, and5 16 in are commonly used. Small-sizeelectrodes are 14 in long, and the larger sizes are 18 in long. Deposition rate of...

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... (3.43) may be simplified to 11 ϭ⁄2(ƒϩƒ)ϩ⁄2(ƒϪƒ ) cos 2␣(3.46a)x 12 12 11 ϭ⁄2(ƒϩƒ)Ϫ⁄2(ƒϪƒ ) cos 2␣(3.46b)y 12 12 1v ϭϪ⁄2(ƒϪƒ ) sin 2␣(3.46c)xЈy 12 By Eq. (3.46c), the maximum shear stress occurs when sin ... satisfied:FՅ␮N (3 .16 )ƒ sSubstitution of Eqs. (3 .15 ) into Eq. (3 .16 ) yieldsPՅ␮P (3 .17 )xsySubstitution of Eqs. (3 .14 ) into Eq. (3 .17 ) givesP sin␣Յ␮P cos␣swhich simplifies totan␣Յ␮...

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... My, kip-ft2y2,ft2N cos␣kips cos2␣0.0487 12 ,665 829.0 0.24 1. 000 .14 62 9,634 736.2 0.72 0.980.2436 6,469 568.0 1. 17 0.940.3 411 3,5 91 358.0 1. 58 0.890.4385 1, 3 81 154.8 1. 92 0.820.5360 15 919 .9 2.20 ... ribUnit downward vertical load 11 n 1 CCVV HVVϭϩcos␾Ϫϩ 1 P22 n␲Ϫ3␲Ϫ 311 n 1 CCVV HVVϭϪcos␾ϪϪ 1 P22 n␲Ϫ3␲Ϫ 311 n 1 CCVV HVHϭϪcos␾Ϫϩ 1 P22 n␲Ϫ3␲Ϫ 31 n 1 CCVV HVHϭϪ ϩcos␾...

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... edgesHighway Railroad1⁄27⁄85⁄83⁄45⁄ 811 ⁄ 811 ⁄87⁄ 813 16 115 16 3⁄ 411 ⁄ 415 16 115 16 11 811 ⁄87⁄ 811 ⁄ 211 ⁄ 211 ⁄ 811 ⁄ 811 ⁄ 411 ⁄2Over 1 13⁄ 413 ⁄4d *11 ⁄ 411 ⁄4d *11 ⁄ 211 ⁄2d** dϭfastener diameter, in.FIGURE 5 .10 Typical welded ... shapes, or barsor gas-cut edges *1 27⁄83⁄45⁄ 811 ⁄87⁄83⁄ 411 ⁄ 417 ⁄ 811 ⁄2 11 ⁄ 811 3⁄4 11 ⁄ 411 ⁄8 211 ⁄ 211 ⁄4 21 415 ⁄8Over 11 ⁄ 413 ⁄4d 11 ⁄4d‡* A...

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... 90 10 0 11 0 12 0 13 0 14 0 15 0 16 0 17 010 ϩ5 13 ϩ6 15 ϩ7 18 ϩ9Ϫ22 11 Ϫ26 12 Ϫ30 14 Ϫ35 16 Ϫ40 19 Ϫ46ϩ 21 5 212 0ϩ5 13 ϩ6 14 ϩ7 18 ϩ8Ϫ 21 10 Ϫ25 12 Ϫ30 13 Ϫ34 15 Ϫ39 18 Ϫ45ϩ20Ϫ 511 00ϩ4 12 ϩ5 13 ϩ6 16 ϩ7Ϫ20ϩ8Ϫ24 10 Ϫ28 11 Ϫ32 13 Ϫ37 15 Ϫ42 17 Ϫ48 6 .18 TABLE ... 10 0 11 0 12 0 13 0 14 0 15 0 16 0 17 010 ϩ5Ϫ22ϩ6Ϫ24ϩ7Ϫ30ϩ9Ϫ36 11 Ϫ43 12 Ϫ 51 14 Ϫ59 16 Ϫ68 19 Ϫ77ϩ 21 87Roof 2 20...

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... kip-ft 18 0 294 413 540Lp, ft 5 .1 4.5 4.6 6.3Lr, ft 14 .8 12 .1 12.5 16 .6␾Mr, kip-ft 11 2 205 283 381Sx,in357.6 68.4 94.5 12 7X1, ksi 15 90 18 10 17 30 18 20X2, 1/ ksi20.0303 0. 017 2 0.0226 0. 015 9ry, in 1. 22 ... critical stress, from Eq. (7 .10 ), then is0.877Fϭ36 11 .19 ksiͩͪcr 21. 68From Eqs. (7.6) and (7.7), the design strength is␾Pϭ0.85 11 .7 11 .19 11 1.3 kips 10 7.5...

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... Table 8 .1. 8. 2SECTION EIGHTTABLE 8.1Equivalent Thicknesses forCold-Formed SteelGagedesignationDesignthickness, in28 0. 014 926 0. 017 924 0.023922 0.029920 0.035 918 0.047 816 0.0598FIGURE 8 .1 Cold-formed ... common types of floor-deck systems currently used with structural steel construc-tion are concrete fill on metal deck, precast-concrete planks, and cast-in-place concrete slabs.8 .1...

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... an 9. 6SECTION NINETABLE 9.1Coefficient CeforEq. (9.4)Height, ft*ExposureCD0 15 1. 06 1. 3920 1. 13 1. 4525 1. 19 1. 5030 1. 23 1. 5440 1. 31 1.6260 1. 43 1. 7380 1. 53 1. 811 00 1. 61 1.8 812 0 1. 67 1. 9 316 0 1. 79 ... are provided intabular form in the UBC:Basic wind speeds, mph 70 80 90 10 0 11 0 12 0 13 0Pressure qs, psf 12 .6 16 .4 20.8 25.6 31. 0 36.9 43.3The...

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... 0 .16 40 0.036 0.048 0.060 0.075 0.090 0 .10 5 0 .13 5 0.76 0.76 0.76 0.76 0.76 0.76 0.76 1. 04 1. 16 1. 16 1. 16 1. 16 1. 16 1. 16 1. 04 1. 38 1. 62 1. 62 1. 62 1. 62 1. 62 1. 04 1. 38 1. 73 2 .16 2 .16 2 .16 2 .16 1. 04 1. 38 1. 73 2 .16 2.59 2.59 2.59 1. 04 1. 38 1. 73 2 .16 2.59 3.02 3.02 1. 04 1. 38 1. 73 2 .16 2.59 3.02 3.89 #10 ... 0 .19 00 0.036 0.048...

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