Structural Steel Designers Handbook Part 15 pot

... 15. 63 15. 64 configurations of 1.14 6.85 15. 35 corrosion protection for 15. 45 creep of 15. 38 defined 1.13 1.14 15. 35 15. 36 erection of: for cable-stayed bridges 15. 41 15. 99 15. 100 for ... 15. 39 15. 97 15. 98 15. 100 history of 15. 35 mechanical properties of 1.14 modulus of elasticity of 15. 37 15. 38 sheathing for 15. 41 specifications...

Ngày tải lên: 10/08/2014, 12:21

Ngày tải lên: 10/08/2014, 12:21

... A,in 2 ,ofat least 2 A ϭ Y[0.15BDt (1 Ϫ C)(ƒ /F ) Ϫ 18t ] (11.23) w vv w where Y ϭ ratio of the yield strength of the web steel to the yield strength of the stiffener steel t w ϭ web thickness, ... of specifications, designers should obtain advice from fabricators and contractors whenever possible. Also useful are steel- industry-developed rules-of-thumb intended to help designers. The...

Ngày tải lên: 10/08/2014, 12:21

... 86.70 151 .3 41.96 Ϫ86.70 151 .3 41.96 ⌬ yAC yA M Ϫ72.67 41.96 8056 72.67 Ϫ41.96 4028 ⍜ zAC zA ϭ (3 .154 ) F Ϫ51.22 Ϫ86.70 72.67 51.22 86.70 72.67 ⌬ xCA xC Ά F ·΄ Ϫ86.70 151 .3 Ϫ41.96 86.70 151 .3 ... ϭ F ϩ F (3 .150 a) xAB xAC Ϫ200 ϭ F ϩ F (3 .150 b) yAB yAC 0 ϭ M ϩ M (3 .150 c) zAB zAC At the restrained degrees of freedom at node B, ͚F xB ϭ 0, ͚F yB ϭ 0, and ͚M zA ϭ 0: R Ϫ F ϭ 0 (3 .151 a...

Ngày tải lên: 10/08/2014, 12:21

... to longitudinal loading 2 Ͻ a Ͻ 12b or 4 in D 15 a Ͼ 12b or 4 in when b Յ 1in E 15 a Ͼ 12b or 4 in where b Ͼ 1in EЈ 15 Partial-penetration groove welds Weld metal of partial-penetration, transverse groove ... should not exceed 0.15F a , where F a is the axial design strength. 6.31 HOLLOW STRUCTURAL SECTIONS Design criteria for round and rectangular hollow structural sections (HSS) u...

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... reinforced with localized steel plates, pipes, or angles (Fig. 8 .15) . (‘ Steel and Composite Beams with Openings,’’ Steel Design Guide Series no. 2, Amer- ican Institute of Steel Construction.) Composite ... Thornton-Tomasetti Engineers, New York, New York Structural- steel framing provides designers with a wide selection of economical systems for floor and roof construction. St...

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... (b)in columns. (Source: Commentary on the Specification for the Design of Cold- Formed Steel Structural Members, American Iron and Steel Institute, Washington, DC, 1996, with permission.) Fig. 10.3c. As the ... on effective element. (Source: Specification for the Design of Cold-Formed Steel Structural Members, Amer- ican Iron and Steel Institute, Washington, DC, 1996, with permissio...

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... ϭϪ0.1 ϫ 12 ϫ 1,767 (15) /(300 ϫ 61.75) L 2 SDL: M ϭϪ0.1 ϫ 12 ϫ 838 (15) /(3000 ϫ 64.38) L 2 LL ϩ I: M ϭϪ0.1 ϫ 12 ϫ 1,297 (15) /(300 ϫ 66.03) L Total: ϭϪ26 ϭϪ12 ϭϪ18 Ϫ56 TABLE 12.41 Steel Stresses in ... of Grade 36 steel, the section modulus required is BEAM AND GIRDER BRIDGES 12.83 TABLE 12.49 Dead Load on Girder, kips per ft Railing: 0.07 Sidewalk: 0 .150 ϫ 1 ϫ 3 ϭ 0.45 Slab: 0 .150 ϫ...

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... section to: Top of steel ϭ 30.75 Ϫ 7.25 ϭ 23.50 in Bottom of steel ϭ 31.50 ϩ 7.25 ϭ 38.75 in Top of concrete ϭ 23.50 ϩ 2ϩ 8.50 ϭ 34.00 in Section Modulus: Top of steel Bottom of steel Top of concrete S ... section to: Top of steel ϭ 30.75 Ϫ 19.33 ϭ 11.42 in Bottom of steel ϭ 31.50 ϩ 19.33 ϭ 50.83 in Top of concrete ϭ 11.42 ϩ 2 ϩ 8.50 ϭ 21.92 in Section Modulus: Top of steel Bott...

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... a strong competitor of iron and steel. After 1900, concrete became the principal competitor of steel for shorter-span arch bridges. Development of structural steels made it feasible to construct ... LANES AND LENGTH OF LOADING: 2,800 lb per lin ft TYPES OF STEEL IN STRUCTURE: About 50% carbon steel, 30% silicon steel, and 20% high- alloy steel (carbon-manganese) OWNER: The Port Aut...

Ngày tải lên: 10/08/2014, 12:21