Sổ tay kết cấu thép - Section 6

... units(135 pcf):47022294324 165 5273133343742573533 363 8414 764 64 963 8523540434549 567 7455053555 966 87 867 861 050424953 566 170985 461 6 568 738211010841081151551248495 863 667 28411 963 727780 869 813312102131*Weights ... 20ϩ9Ϫ24ϩ10Ϫ 26 12Ϫ33ϩ15Ϫ39ϩ18Ϫ47ϩ21Ϫ55ϩ24 64 ϩ28Ϫ73ϩ32Ϫ83ϩ 36 94100ϩ8Ϫ18ϩ9Ϫ20ϩ11Ϫ25ϩ14Ϫ30ϩ 16 36 19Ϫ42ϩ22Ϫ49ϩ 26 57ϩ29 64 ϩ33Ϫ7310ϩ9Ϫ37ϩ10Ϫ41ϩ13Ϫ51ϩ 16 62 ϩ19Ϫ73ϩ22Ϫ 8...

Ngày tải lên: 18/10/2012, 16:13

... %*A570 Hot-rolled30 30 49 2133 33 52 18 36 36 53 1740 40 55 1545 45 60 1350 50 65 1155 55 70 9A6 06 Hot-rolled, cut length 50 70 22Hot-rolled, coils 45 65 22Cold-rolled 45 65 22A607 Hot- or cold-rolled45 ... 22A607 Hot- or cold-rolled45 45 60 † 25–2250 50 65 † 22–2055 55 70† 20–1 860 60 75† 18– 166 5 65 80† 16 1470 70 85† 14–12A611 Cold-rolledA254226B304524C334822D405220A653** Galv...

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... 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 ... shipping.2.10 BUILT-UP SECTIONSThese are members made up by a fabricator from two or more standard sections. Examplesof common built-up sections are shown in Fig. 2.2. Built-up members are s...

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... 2x 2y 1y 2x 2y 2xwith d1and d2defined as the moment arms in Fig. 3.6c. Note that the direction of the 3. 6SECTION THREEFIGURE 3 .6 Resolution of concurrent forces. (a) Noncurrent forces F1and F2resolved ... RRis͚Mϭ(30ϫ20)Ϫ(40ϫ15) 60 0 60 0ϭ0(Since only vertical forces are involved, the equilibrium equation for horizontal forces doesnot apply.)A free-body diagram of a portion of the truss to...

Ngày tải lên: 18/10/2012, 16:13

... cos2␣0.0487 12 ,66 5 829.0 0.24 1.000.1 462 9 ,63 4 7 36. 2 0.72 0.980.24 36 6, 469 568 .0 1.17 0.940.3411 3,591 358.0 1.58 0.890.4385 1,381 154.8 1.92 0.820.5 360 15919.9 2.20 0.74TOTAL 33,899 2 ,66 5.9 7.83 ... any section due to loads on the archyϭvertical ordinate of section measured from immovable hinge 4. 4SECTION FOURIϭmoment of inertia of arch cross sectionAϭcross-sectional area...

Ngày tải lên: 18/10/2012, 16:13

... E70 1 6- X,E7018-XAWS A5.17 or A5.23§F7XX-EXXXF7XX-EXX-XXAWS A5.18ER70S-XAWS A5.20or A5.29§E7XT-X(ExceptϪ2,Ϫ3,Ϫ10,Ϫ13,Ϫ14,ϪGS)E7XTX-XA572 grades 60 and 65 AWS A5.5§E80 1 6- X, E8015-XE8018-XAWS A5.23§F8XX-EXX-XXAWS ... 50E70XXE70XX-XF7XX-EXXX orF7XX-EXX-XXAWS A5.18ER70S-XE7XT-X(ExceptϪ2,Ϫ3,Ϫ10,Ϫ13,Ϫ14,ϪGS)E7XTX-XXA572 grade 42 and 50, andA588‡ (4 in. and under)AWS A5.1 or A5.5§E7015, E70 16...

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... (7.8),18.83ϫ12 36 ϭϭ1.1 26 1.5cΊ2.25 2 86, 220and␭c2ϭ1. 269 . For␭cϽ1.5, Eq. (7.9) yields the critical stress1. 269 Fϭ0 .65 8ϫ 36 21.17 ksicrThe design strength of the 6- in pipe, then, from Eqs. (7 .6) and (7.7), ... stress Fbϭ0 .66 Fyϭ0 .66 ϫ50ϭ33 ksi, the required section modulusfor the floorbeam is3SϭM/Fϭ383.4ϫ12/33ϭ139.4 inrbThe least-weight wide-flange section with S exceeding 139.4...

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... 8 .6 Two-hour fire-rated floor systems, with cold-formed steel deck. (a) With lightweightconcrete fill; (b) with normal-weight concrete fill.the metal deck without spray-on fire protection and 21⁄2-in ... expensive normal-weight concrete may beused instead of lightweight concrete. Therefore, the two options that are frequently consid-ered for a 2-hour-rated, noncellular floor-deck system are 31⁄4-...

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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 .62 60 1.43 1.7380 1.53 1.81100 1 .61 1.88120 1 .67 1.93 160 1.79 ... static-force method is a single-mode design method, even though long-period structures are influenced by higher-moderesponse, and Ftsimulates the effect of higher-mode response on the earth...

Ngày tải lên: 18/10/2012, 16:13

... singly-, dou-bly-, and point-symmetric sections is given by Eq. 10.25. These provisions apply to I-, Z-,C-, and other singly-symmetric sections, but not to multiple-web decks, U- and box sections.Also, ... cold-forming. Either full section tension tests, full section stub column tests, or an analyticalmethod can be employed. Important parameters include the tensile-strength-to-yield-stres...

Ngày tải lên: 18/10/2012, 16:13