Structural Steel Designers Handbook Part 3 ppsx

... 0 9 .32 4 33 5.6 0 Ϫ9 .32 4 33 5.6 yAB MЈ 0 33 5.6 16111 0 33 5.6 8056 zAB ϭ FЈ Ϫ402.8 0 0 402.8 0 0 xBA Ά FЈ ·΄ 0 Ϫ9 .32 4 33 5.6 0 9 .32 4 33 5.6 ΅ yB A MЈ 0 33 5.6 8056 0 33 5.6 16111 zB A 0 .30 58 1 23. 2 Ϫ1.466 ... 33 5.6 0 Ϫ9 .32 4 33 5.6 ⌬ yAB yA M 0 33 5.6 16111 0 33 5.6 8056 ⍜ zAB zA ϭ (3. 1 53) F Ϫ402.8 0 0 402.8 0 0 ⌬ xB A xB Ά F ·΄ 0 Ϫ9 .32 4 33 5.6 0 9 .32 4 33 5.6 ΅Ά ⌬ ·...

Ngày tải lên: 10/08/2014, 12:21

Ngày tải lên: 10/08/2014, 12:21

... or Eq. 6.72d as indicated in Table 6.26. 0 .33 3 0 .33 3 88 44 ϫ 10 0.71 Ϫ 0.65(2a /t) ϩ 0.79W/t 44 ϫ 10 F ϭ Յ (6.72c) ͩͪͩ ͪͩͪ SR 0.167 N 1.1tN 0 .33 3 0 .33 3 88 44 ϫ 10 0.06 ϩ 0.79W /t 44 ϫ 10 F ϭ Յ ... million ن More than 2 million ن A 63 37 24 24 B49 29 18 16 B Ј 39 23 15 12 C35 21 13 10 D28 16 10 7 E22 13 8 5 E Ј 16 9 6 3 F15 12 9 8 *As specified in the AISC ASD specification for s...

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... ϭ 1. 23( 13 Ϫ 3) ϭ 12 .3 ft xx KL ϭ 1.0 ϫ 13 ϭ 13 ft yy The W14 ϫ 426 has radii of gyration r x ϭ 7.26 in and r y ϭ 4 .34 in. Therefore, the slenderness ratios for the column are KL/r ϭ 12 .3 ϫ 12/7.26 ... it. 7.26 SECTION SEVEN 43 5 ϫ 0.25 ϫ 30 ϫ 12 D ϭϭ0. 235 in 1 38 4 ϫ 29,000 ϫ 669.4 Deflection due to short-term (reduced) live load is 43 5 ϫ 0.44 ϫ 30 ϫ 12 D ϭϭ0 .35 8 in 2 38...

Ngày tải lên: 10/08/2014, 12:21

... horizontal forces equal to zero results in A ϭ 25 Ϫ 4.17 ϭ 20. 83 (9.41) 1 For the central top subassemblage: lhh h (S ϩ S ) ϭ 8 .33 or S ϭ (8 .33 Ϫ 4.17) ϭ 4.16 (9.42) 12 2 22ll The remaining axial and ... Specification for the Design of Cold-Formed Steel Structural Members, American Iron and Steel Institute, Washington, DC, 1996, with permission.) b ϭ b / (3 Ϫ ␺ ) (10.10) 1 e b ϭ b /...

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... 55.2§ 50 33 4.2§ 31 .5 445.6§ 42.0 470.9§ 43. 9§ 627.9§ 58.5§ 60 418.5 33 .9 558.0 45.2 604.9§ 45.6§ 806.5§ 60.8§ 70 530 .3 36 .3 707.0 48.4 739 .2§ 46.8§ 985.6§ 62.4§ 80 654.0 38 .7 872.0 51.6 8 73. 7§ 47.7§ ... 24.0§ 80.0§ 32 .0§ 60.0§ 24.0§ 80.0§ 32 .0§ 20 120.0§ 25.8§ 160.0§ 34 .4§ 120.0§ 31 .2§ 160.0§ 41.6§ 30 185.0§ 27.2§ 246.6§ 36 .3 211.6§ 37 .2§ 282.1§ 49.6§ 40 259.5§ 29...

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... 6.5qL 1 L 2 /2 Centrifugal force C 15 71 2,010 1.40 5 .37 2,860 850 180 30 56 3, 170 1 .33 5.09 4,280 1,270 280 40 46 3, 470 1 .34 5.12 4,720 1,400 31 0 43 43 3,500 1 .33 5.09 4,720 1,400 31 0 3. 765 ϫ 86 R ϭϭ162 kips DL 2 Live ... distributed to the girder is (39 .5 ϩ 33 .5 ϩ 27.5 ϩ 21.5)W 122W P ϭϭ 3. 48W 2 35 35 If three lanes are loaded, with 10% reduction, 0.9(122 ϩ 15.5 ϩ...

Ngày tải lên: 10/08/2014, 12:21

... 106 .3 37.00 3, 933 145,520 640 146,160 174.6 3, 375 1 93, 500 d 8 ϭ 33 75/ 174,6 ϭ 19 .33 in Ϫ19 .33 ϫ 3, 375 ϭϪ65,240 I NA ϭ 128,260 Distance from neutral axis of composite section to: Top of steel ϭ 30 .75 ... 4.44 (3. 80) ϭ 479 in Ͼ L b ϭ 30 0 in. Therefore, from Eq. 12.70,͙(29,000) /36 ) F ϭ 1.0(0.98)(1.0) (36 .0)[1 .33 Ϫ 0.187 (30 0 /3. 80)͙ (36 /29,000)] n ϭ 28.57 ksi Ͻ 1.0(0....

Ngày tải lên: 10/08/2014, 12:21

... and surfacing for roadway 13, 980 Railings and parapets 1,090 Floor steel for roadway 3, 397 Floor bracing 39 2 Arch ribs 2,5 63 Arch bracing 1, 639 Arch hangers 94 Arch ties 3, 400 Miscellaneous—utilities, ... relatively TRUSS BRIDGES 13. 49 FIGURE 13. 17 Skewed bridge with skew distance less than panel length. 71 11. 93( ⁄ 8 ) 23 ⁄ 8 ϭ 34 .9 in 2 ϫ 3. 46 The allowable tensile stre...

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... 35 24 1074 19 73 George Washington New York, NY, USA 35 00 1067 1 931 3rd Kurushima Bridge 1 Japan 33 79 1 030 (1999) 2nd Kurushima Bridge 1 Japan 33 46 1020 (1999) Tagus River 2 Lisbon, Portugal 33 23 ... Argentina 1115 34 0 1972 West Gate Melbourne, Australia 1102 33 6 1978 Talmadge Memorial Bridge Savannah, GA, USA 1100 33 5 1990 Hao Ping Hsi Taiwan 10 83 330 Posadas Encarnaci...

Ngày tải lên: 10/08/2014, 12:21