AISC LRFD 1.pdf

More documents

Recommendations

Info

App. F1.] DESIGN FOR FLEXURE 99TABLE A-F1.1 (cont’d)Nominal Strength ParametersSlenderness ParametersCritical Stress F crC Xl2 X X 1 +22lb 1 1 2 2[e][f]Lr p rbyLrbycbt176 .176 .038 .EF yfEF yfEF yf[c,d]Value of for whichM ( C = 1)= Mcr b r[g]LimitationsApplicable forI-shapedmembers ifh / t w £l r .Whenh / t w >l rsee Appendix G.Not applicableh376 .t wEF yfl r as definedin Section B5.1069 . E2lbt038 .E083 .F yfEF LNoneNotes (cont’d):E[f] Fcr = 069 .for rolled shapes2lEk cFcr= 090 .for welded shapes2lwherek = 4/ h / t and 0. 35 £ £ 0.763cwk cE[g] l r = 083 . for rolled shapesFl r = 095 .L cLEfor welded shapes( F / k )<strong>LRFD</strong> Specification for Structural Steel Buildings, December 27, 1999AMERICAN INSTITUTE OF STEEL CONSTRUCTION
100 DESIGN FOR FLEXURE [App. F1.TABLE A-F1.1 (cont’d)Nominal Strength ParametersShapeSolid symmetricshapes, except rectangularbars, bentabout major axisSolid rectangularbars bent aboutmajor axisSymmetric boxsections loaded in aplane of symmetryPlasticMoment M pF y Z xLimit Stateof BucklingNot ApplicableLimiting BucklingMoment M rF y Z x LTB F y S xF y Z LTB F yf S effFLBF y S effWLBSame as for I-shapeRound HSS F y Z LTB Not applicableFLBMnæ 0.021Eö= ç + Fy÷Sè D / t ø[h]Notes (cont’d):[h] This equation is to be used in place of Equation A-F1-3.WLBNot applicable<strong>LRFD</strong> Specification for Structural Steel Buildings, December 27, 1999AMERICAN INSTITUTE OF STEEL CONSTRUCTION
Page 1 and 2:
LOAD AND RESISTANCEFACTOR DESIGNSPE
Page 3:
iiCopyright © 2000byAmerican Insti
Page 6 and 7:
vTABLE OF CONTENTSSYMBOLS . . . . .
Page 8 and 9:
TABLE OF CONTENTSviiSPECIFICATION (
Page 10 and 11:
TABLE OF CONTENTSixSPECIFICATION (C
Page 12 and 13:
TABLE OF CONTENTSxiCOMMENTARY (Cont
Page 18 and 19:
SYMBOLSxviistrength (for those stee
Page 20 and 21:
SYMBOLSxixS eff Effective section m
Page 22 and 23:
SYMBOLSxxit s Web stiffener thickne
Page 24 and 25:
xxiiiGLOSSARYAlignment chart for co
Page 26 and 27:
GLOSSARYxxvEffective moment of iner
Page 28 and 29:
GLOSSARYxxviiLateral bracing member
Page 30 and 31:
GLOSSARYxxixPost-buckling strength.
Page 32 and 33:
GLOSSARYxxxiStrain-hardening strain
Page 34 and 35:
1CHAPTER AGENERAL PROVISIONSA1. SCO
Page 36 and 37:
Sect. A3.] MATERIAL 3Cold-Formed We
Page 38 and 39:
Sect. A3.] MATERIAL 5ASTM A449 bolt
Page 40 and 41:
Sect. A6.] REFERENCED CODES AND STA
Page 42 and 43:
Sect. A7.] DESIGN DOCUMENTS 9tion A
Page 44 and 45:
Sect. B4.] STABILITY 11(a) When the
Page 46 and 47:
Sect. B10.] PROPORTIONS OF BEAMS AN
Page 48 and 49:
Sect. B10.] PROPORTIONS OF BEAMS AN
Page 50 and 51:
17Chap. CCHAPTER CFRAMES AND OTHER
Page 52 and 53:
Sect. C3.] STABILITY BRACING 19all
Page 54 and 55:
Sect. C3.] STABILITY BRACING 214. B
Page 56 and 57:
Sect. C3.] STABILITY BRACING 231.0;
Page 58 and 59:
Sect. D3.] PIN-CONNECTED MEMBERS AN
Page 60 and 61:
27Chap. ECHAPTER ECOLUMNS AND OTHER
Page 62 and 63:
Sect. E4.] BUILT-UP MEMBERS 29(a) F
Page 64 and 65:
31Chap. FCHAPTER FBEAMS AND OTHER F
Page 66 and 67:
Sect. F1.] DESIGN FOR FLEXURE 33Lp=
Page 68 and 69:
Sect. F2.] DESIGN FOR SHEAR 35Lpd
Page 70 and 71:
37Chap. GCHAPTER GPLATE GIRDERSI-sh
Page 72 and 73:
Sect. H3.] ALTERNATIVE INTERACTION
Page 74 and 75:
Sect. I2.] COMPRESSION MEMBERS 41ti
Page 76 and 77:
Sect. I3.] FLEXURAL MEMBERS 434. Lo
Page 78 and 79:
Sect. I3.] FLEXURAL MEMBERS 45welde
Page 80 and 81:
Sect. I5.] SHEAR CONNECTORS 47A c =
Page 82 and 83: 49Chap. JCHAPTER JCONNECTIONS, JOIN
Page 84 and 85: Sect. J1.] GENERAL PROVISIONS 518.
Page 86 and 87: Sect. J2.] WELDS 53Welding ProcessT
Page 88 and 89: Sect. J2.] WELDS 55For end-loaded f
Page 90 and 91: Sect. J2.] WELDS 57Types of Weld an
Page 92 and 93: Sect. J3.] BOLTS AND THREADED PARTS
Page 100 and 101: Sect. J4.] DESIGN RUPTURE STRENGTH
Page 102 and 103: Sect. J8.] BEARING STRENGTH 69J6. F
Page 104 and 105: 71Chap. KCHAPTER KCONCENTRATED FORC
Page 106 and 107: Sect. K1.] FLANGES AND WEBS WITH CO
Page 108 and 109: For P u 0.4P yR v = 0.60F y d c t
Page 110 and 111: Sect. K3.] DESIGN FOR CYCLIC LOADIN
Page 112 and 113: 79Chap. LCHAPTER LSERVICEABILITY DE
Page 114 and 115: 81Chap. MCHAPTER MFABRICATION, EREC
Page 116 and 117: Sect. M4.] ERECTION 83(2) Bottom su
Page 118 and 119: Sect. M5.] QUALITY CONTROL 85The fa
Page 120 and 121: Sect. N3.] EVALUATION BY STRUCTURAL
Page 122 and 123: 89App. BAPPENDIX BDESIGN REQUIREMEN
Page 124 and 125: App. B5.] LOCAL BUCKLING 914kc=h/tw
Page 126 and 127: App. B5.] LOCAL BUCKLING 93é0.877
Page 128 and 129: App. E3.] DESIGN COMPRESSIVE STRENG
Page 130 and 131: App. F1.] DESIGN FOR FLEXURE 97For
Page 134 and 135: App. F1.] DESIGN FOR FLEXURE 101Cri
Page 136 and 137: App. F3.] WEB-TAPERED MEMBERS 103j
Page 138 and 139: App. F3.] WEB-TAPERED MEMBERS 105Fw
Page 140 and 141: 107App. GAPPENDIX GPLATE GIRDERSThi
Page 142 and 143: App. G3.] DESIGN SHEAR STRENGTH 109
Page 144 and 145: App. G5.] FLEXURE-SHEAR INTERACTION
Page 146 and 147: App. H3.] ALTERNATIVE INTERACTION E
Page 148 and 149: 115App. JAPPENDIX JCONNECTIONS, JOI
Page 150 and 151: App. J3.] BOLTS AND THREADED PARTS
Page 152 and 153: App. K2.] PONDING 119æçMetric:lC
Page 154 and 155: App. K3.] DESIGN FOR CYCLIC LOADING
Page 174 and 175: NUMERICAL VALUES 141TABLE 2ItemShap
Page 176 and 177: NUMERICAL VALUES 143Klr123456789101
Page 178 and 179: NUMERICAL VALUES 145TABLE 3-50Desig
Page 180 and 181: NUMERICAL VALUES 147TABLE 4Values o
Page 182 and 183:
NUMERICAL VALUES 149TABLE 5 (cont
Page 184 and 185:
NUMERICAL VALUES 151TABLE 7Values o
Page 186 and 187:
NUMERICAL VALUES 153f vVAwnTABLE 8-
Page 188 and 189:
Page 190 and 191:
NUMERICAL VALUES 157hf vVAwnTABLE 9
Page 192 and 193:
Page 194 and 195:
NUMERICAL VALUES 161ht wf vVAwnTABL
Page 196 and 197:
163COMMENTARYon the Load and Resist
Page 198 and 199:
Comm. A2.] TYPES OF CONSTRUCTION 16
Page 200 and 201:
Comm. A3.] MATERIAL 167and Chen, 19
Page 202 and 203:
Comm. A3.] MATERIAL 169than the ant
Page 204 and 205:
Comm. A4.] LOADS AND LOAD COMBINATI
Page 206 and 207:
Comm. A5.] DESIGN BASIS 173where =
Page 208 and 209:
Comm. A5.] DESIGN BASIS 175( )bsln(
Page 210 and 211:
177Comm. BCHAPTER BDESIGN REQUIREME
Page 212 and 213:
Comm. B5.] LOCAL BUCKLING 179(c) Al
Page 214 and 215:
Comm. B5.] LOCAL BUCKLING 181load.
Page 216 and 217:
Comm. B7.] LIMITING SLENDERNESS RAT
Page 218 and 219:
Comm. C1.] SECOND ORDER EFFECTS 185
Page 220 and 221:
Comm. C1.] SECOND ORDER EFFECTS 187
Page 222 and 223:
Comm. C2.] FRAME STABILITY 189Buckl
Page 224 and 225:
Comm. C2.] FRAME STABILITY 191Notes
Page 226 and 227:
Comm. C2.] FRAME STABILITY 193Where
Page 228 and 229:
Comm. C3.] STABILITY BRACING 195age
Page 230 and 231:
Comm. C3.] STABILITY BRACING 197pla
Page 232 and 233:
Comm. C3.] STABILITY BRACING 199The
Page 234 and 235:
Comm. C3.] STABILITY BRACING 201Par
Page 236 and 237:
203Comm. ECHAPTER ECOLUMNS AND OTHE
Page 238 and 239:
Comm. E4.] BUILT-UP MEMBERS 205TABL
Page 240 and 241:
Comm. F1.] DESIGN FOR FLEXURE 207ha
Page 242 and 243:
Comm. F1.] DESIGN FOR FLEXURE 2092b
Page 244 and 245:
Comm. F4.] BEAMS AND GIRDERS WITH W
Page 246 and 247:
Comm. H2.] UNSYMMETRIC MEMBERS AND
Page 248 and 249:
Comm. I2.] COMPRESSION MEMBERS 215d
Page 250 and 251:
Comm. I3.] FLEXURAL MEMBERS 217may
Page 252 and 253:
Comm. I3.] FLEXURAL MEMBERS 219The
Page 254 and 255:
Comm. I3.] FLEXURAL MEMBERS 221wher
Page 256 and 257:
Comm. I3.] FLEXURAL MEMBERS 223proc
Page 258 and 259:
Comm. I4.] COMBINED COMPRESSION AND
Page 260 and 261:
Comm. I5.] SHEAR CONNECTORS 227tal
Page 262 and 263:
229Comm. JCHAPTER JCONNECTIONS, JOI
Page 264 and 265:
Comm. J1.] GENERAL PROVISIONS 231 P
Page 266 and 267:
Comm. J2.] WELDS 2332b. Limitations
Page 268 and 269:
Comm. J2.] WELDS 235When longitudin
Page 270 and 271:
Comm. J2.] WELDS 237due to cyclic f
Page 272 and 273:
Comm. J2.] WELDS 239(b) Plane 2-2,
Page 274 and 275:
Comm. J3.] BOLTS AND THREADED PARTS
Page 276 and 277:
Page 278 and 279:
Page 280 and 281:
Comm. J4.] DESIGN RUPTURE STRENGTH
Page 282 and 283:
249Comm. KCHAPTER KCONCENTRATED FOR
Page 284 and 285:
Comm. K1.] FLANGES AND WEBS WITH CO
Page 286 and 287:
Comm. K1.] FLANGES AND WEBS WITH CO
Page 288 and 289:
Comm. K2.] PONDING 255Even on the b
Page 290 and 291:
257Comm. LCHAPTER LSERVICEABILITY D
Page 292 and 293:
Comm. L5.] CORROSION 259orthotropic
Page 294 and 295:
Comm. M4.] ERECTION 261It is sugges
Page 296 and 297:
Comm. N4.] EVALUATION BY LOAD TESTS
Page 298 and 299:
Comm. N5.] EVALUATION REPORT 265N5.
Page 300 and 301:
267Comm. A-EAPPENDIX ECOLUMNS AND O
Page 302 and 303:
Comm. App. F3.] WEB-TAPERED MEMBERS
Page 304 and 305:
271Comm. A-GAPPENDIX GPLATE GIRDERS
Page 306 and 307:
273Comm. A-KAPPENDIX JCONNECTIONS,
Page 308 and 309:
Comm. J2.] WELDS 275found to be con
Page 310 and 311:
Comm. K3.] DESIGN FOR CYCLIC LOADIN
Page 312 and 313:
279ReferencesAckroyd, M. H., and Ge
Page 314 and 315:
REFERENCES 281Bjorhovde, R. (1972),
Page 316 and 317:
REFERENCES 283Fielding, D. J., and
Page 318 and 319:
REFERENCES 285Johnson, D. L. (1985)
Page 320 and 321:
REFERENCES 287Ollgaard, J. G., Slut
Page 322 and 323:
REFERENCES 289Zhou, S. P., and Chen
Page 324 and 325:
SUPPLEMENTARY BIBLIOGRAPHY 291Kotec
Page 326 and 327:
Metric Conversion Factors for Commo
show all

AISC LRFD 1.pdf

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?