Structural Steel Designers Handbook Part 12 doc

... Bottom of steel (tension) DL:ƒ ϭ 434 ϫ 12 /1,030 ϭ 5.06 b SDL:ƒ ϭ 183 ϫ 12 /2,370 ϭ 0.93 b LL ϩ I:ƒ ϭ 786 ϫ 12/ 7,220 ϭ 1.31 b Total: 7.30 Ͻ 20 ƒ ϭ 434 ϫ 12/ 1,030 ϭ 5.06 b ƒ ϭ 183 ϫ 12/ 1,264 ϭ ... section to: Top of steel ϭ 18.26 Ϫ 12. 17 ϭ 6.09 in Bottom of steel ϭ 18.26 ϩ 12. 17 ϭ 30.43 in Top of concrete ϭ 6.09 ϩ 2 ϩ 8.5 ϭ 16.59 in Section moduli Top of steel Bottom of...

Ngày tải lên: 10/08/2014, 12:21

... 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 ... exceed 13.53 in, is also limited to S ϭ 12( 10 Ϫ 0.19) /9.21 ϭ 12. 78 in PR The number of studs to be placed in the 10 ft between P and the right support is 10 ϫ 12/ 12.78. Use...

Ngày tải lên: 10/08/2014, 12:21

... force at 125 % of basic allowable stresses (Table 12. 59) Case III. Dead load ϩ wind on unloaded bridge at 125 % of basic allowable stresses (Table 12. 60). BEAM AND GIRDER BRIDGES 12. 69 TABLE 12. 40 ... M 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 ϭ 12 ϭϪ18 Ϫ56 TABLE 12...

Ngày tải lên: 10/08/2014, 12:21

Ngày tải lên: 10/08/2014, 12:21

... matrix expression 22 FЈ AL 00ϪAL 00⌬Ј xi xi FЈ 012I 6IL 0 Ϫ12I 6IL ⌬Ј yi yi 22 E M Ј 06IL 4IL 0 Ϫ6IL 2IL ␪ Ј zi zi ϭ (3.146) 22 3 FЈ ϪAL 00AL 00⌬Ј L xj xj Ά FЈ ·΄ 0 Ϫ12I Ϫ6IL 012I Ϫ6IL ΅Ά ⌬Ј · yj yj 22 MЈ 06IL ... MATERIAL NONLINEAR EFFECTS Most structural steels can undergo large deformations before rupturing. For example, yielding in ASTM A36 steel begins at a strain of about 0.0 012 i...

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 ... HOLLOW STRUCTURAL SECTIONS Design criteria for round and rectangular hollow structural sections (HSS) used as structural members in buildings is given by AISC in ‘‘Specification for the De...

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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 ... requirements often control the lateral resistance of steel moment-resisting frames. However, this may cause some difficulties for structural designers. The UBC requires comput...

Ngày tải lên: 10/08/2014, 12:21

... (system I, Fig. 11.12c). Also, the steel deck serves as the top flange of the ribs (Fig. 11.12e) and floorbeams (system II, Fig. 11.12d). In addition, the deck serves as an independent structural member ... components usually are the steel deck plate, longitudinal girders, transverse floorbeams, and longitudinal ribs. Ribs may be open-type (Fig. 11.12a) or closed (Fig. 11.12b). The steel...

Ngày tải lên: 10/08/2014, 12:21

... 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...

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... Germany 124 0 378 1941 Cologne-Rodenkirchen II 10 Cologne, Germany 124 0 378 1955 St. Johns Portland, OR, USA 120 7 368 1931 Wakato Kita-Kyushu City, Japan 120 5 367 1962 Mount Hope Bristol, RI, USA 120 0 ... 1973 Aquitaine Bordeaux, France 129 2 394 Baclan Garrone R., Bordeaux, France 129 2 394 1967 Ame-Darja R. Buhara-Ural, Russia 128 0 390 1964 Clifton 3 Niagara Falls, NY, USA 126...

Ngày tải lên: 10/08/2014, 12:21