Sổ tay kết cấu thép - Section 5

... E7028E70 1 5- X, E7016-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 E8016-X, E80 1 5- XE8018-XAWS ... 50 E70XXE70XX-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 E70 15, E7016,E...

Ngày tải lên: 18/10/2012, 16:13

... %*A570 Hot-rolled30 30 49 2133 33 52 1836 36 53 1740 40 55 154 5 45 60 1 350 50 65 1 155 55 70 9A606 Hot-rolled, cut length 50 70 22Hot-rolled, coils 45 65 22Cold-rolled 45 65 22A607 Hot- or cold-rolled 45 ... cold-rolled 45 45 60† 25 2 250 50 65 22–2 055 55 70† 20–1860 60 75 18–16 65 65 80† 16–1470 70 85 14–12A611 Cold-rolledA 254 226B30 452 4C334822D4 052 20A 653 ** Galva...

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 ... grade,’’ such as A36, A572, A588, A514,A709, A 852 , A913, or A992. Such steels may be welded by any of several welding pro-cesses: shielded metal arc, submerged arc, gas metal arc, flux-co...

Ngày tải lên: 18/10/2012, 16:13

... action of F can often be difficult to cal-culate. Computations may be simplified,however, with the use of Varignon’s theo-rem, which states that the moment of the re-sultant of any force system about ... RRis͚Mϭ(30ϫ20)Ϫ(40ϫ 15) ϭ600Ϫ600ϭ0(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 the le...

Ngày tải lên: 18/10/2012, 16:13

... cos2␣0.0487 12,6 65 829.0 0.24 1.000.1462 9,634 736.2 0.72 0.980.2436 6,469 56 8.0 1.17 0.940.3411 3 ,59 1 358 .0 1 .58 0.890.43 85 1,381 154 .8 1.92 0.820 .53 60 159 19.9 2.20 0.74TOTAL 33,899 2,6 65. 9 7.83 5. 372.0(33899)Hϭϭ12.71 ... determined, the stresses at any section of the arch can be foundby application of the equilibrium laws (Art. 4.4).Circular Two-Hinged Arch Example. A ci...

Ngày tải lên: 18/10/2012, 16:13

... weight units(1 35 pcf):470222943241 655 27313334374 257 353 3363841476464963 852 354 043 454 956 77 455 053 555 96687867861 050 424 953 5661709 854 61 656 8738211010841081 151 551 2484 958 6366728411963727780869813312102131*Weights ... 20ϩ9Ϫ24ϩ10Ϫ26ϩ12Ϫ33ϩ 15 39ϩ18Ϫ47ϩ21 55 ϩ24Ϫ64ϩ28Ϫ73ϩ32Ϫ83ϩ36Ϫ94100ϩ8Ϫ18ϩ9Ϫ20ϩ11Ϫ 25 14Ϫ30ϩ16Ϫ36ϩ19Ϫ42ϩ22Ϫ49ϩ26 57 ϩ29Ϫ64ϩ33Ϫ7310ϩ9Ϫ37ϩ10Ϫ41ϩ13 51 ϩ16Ϫ62ϩ19Ϫ73...

Ngày tải lên: 18/10/2012, 16:13

... 50 ␾Mp, kip-ft 180 294 413 54 0Lp, ft 5. 1 4 .5 4.6 6.3Lr, ft 14.8 12.1 12 .5 16.6␾Mr, kip-ft 112 2 05 283 381Sx,in 357 .6 68.4 94 .5 127X1, ksi 159 0 1810 1730 1820X2, 1/ksi20.0303 0.0172 0.0226 0.0 159 ry, ... (c). 7.1 8SECTION SEVEN2ϪMϭ1.8ϫ7 .52 /2 50 .6 kip-ftu21 50 .62ϩM 5. 1ϫ30 /8 50 .6/2ϩ 54 8.7 kip-ftͩͪu2 5. 1 30Since the top flange of the beam is braced by the floor deck, the...

Ngày tải lên: 18/10/2012, 16:13

... 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-in lightweight ... 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...

Ngày tải lên: 18/10/2012, 16:13

... serviceability after an 9. 6SECTION NINETABLE 9.1Coefficient CeforEq. (9.4)Height, ft*ExposureCD0– 15 1.06 1.3920 1.13 1. 452 5 1.19 1 .50 30 1.23 1 .54 40 1.31 1.6260 1.43 1.7380 1 .53 1.81100 1.61 1.88120 ... 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...

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, ... DESIGN10.19TABLE 10.3R values for Simple Spans(See Eq. 10.40 )Section depth, d, in Profile R*dՅ6 .5 C or Z 0.706 .5 dՅ8 .5 C or Z 0. 658 .5 dՅ11 .5 Z 0 .50 8 .5 dՅ11 .5 C 0.40* For sim...

Ngày tải lên: 18/10/2012, 16:13