1996 LRFD Supplements - unprotected PDF - American Wood Council

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GUIDELINE<strong>LRFD</strong>TOSTRUCTURAL<strong>LRFD</strong> FOR STRUCTURALLUMBER SUPPLEMENTCOMPOSITE LUMBER1515Table 3.2Reference Strengths for Visually Graded Dimension LumberDesign values in kips per square inch (ksi) 1Tension Shear Compression Compression ModulusBending parallel parallel perpendicular parallel of GradingSpecies and Size to grain to grain to grain to grain Elasticity Rulescommercial grade Classification E 05 E AgencyF b F t F v F c β F c (5th pct) (mean)SOUTHERN PINE 2Dense Sel. Struct. 6.22 3.65 0.26 1.37 4.92 1150 1900Select Structural 5.84 3.51 0.26 1.18 4.56 1090 1800Non-Dense Sel. Struct. 5.33 2.97 0.26 1.00 4.20 1030 1700No. 1 Dense 4.19 2.36 0.26 1.37 4.32 1090 1800No. 1 2"-4" thick 3.81 2.23 0.26 1.18 3.96 1030 1700 SPIBNo. 1 Non-Dense 3.43 1.96 0.26 1.00 3.72 970 1600No. 2 Dense 8" wide 3.56 1.82 0.26 1.37 4.08 1030 1700No. 2 3.05 1.76 0.26 1.18 3.72 970 1600No. 2 Non-Dense 2.79 1.62 0.26 1.00 3.48 850 1400No. 3/Stud 1.78 1.08 0.26 1.18 2.10 850 1400SOUTHERN PINE 2Dense Sel. Struct. 5.46 3.24 0.26 1.37 4.80 1150 1900Select Structural 5.21 2.97 0.26 1.18 4.44 1090 1800Non-Dense Sel. Struct. 4.70 2.57 0.26 1.00 4.20 1030 1700No. 1 Dense 3.68 2.09 0.26 1.37 4.20 1090 1800No. 1 2"-4" thick 3.30 1.96 0.26 1.18 3.84 1030 1700 SPIBNo. 1 Non-Dense 3.05 1.76 0.26 1.00 3.60 970 1600No. 2 Dense 10" wide 3.05 1.69 0.26 1.37 3.96 1030 1700No. 2 2.67 1.55 0.26 1.18 3.60 970 1600No. 2 Non-Dense 2.41 1.49 0.26 1.00 3.36 850 1400No. 3/Stud 1.52 0.88 0.26 1.18 2.04 850 14003REFERENCE STRENGTHS
16 REFERENCE STRENGTHSTable 3.2Reference Strengths for Visually Graded Dimension LumberDesign values in kips per square inch (ksi) 1Tension Shear Compression Compression ModulusBending parallel parallel perpendicular parallel of GradingSpecies and Size to grain to grain to grain to grain Elasticity Rulescommercial grade Classification E 05 E AgencyF b F t F v F c β F c (5th pct) (mean)SOUTHERN PINE 2Dense Sel. Struct. 5.21 2.97 0.26 1.37 4.68 1150 1900Select Structural 4.83 2.84 0.26 1.18 4.32 1090 1800Non-Dense Sel. Struct. 4.45 2.43 0.26 1.00 4.08 1030 1700No. 1 Dense 3.43 1.96 0.26 1.37 4.08 1090 1800No. 1 2"-4" thick 3.18 1.82 0.26 1.18 3.84 1030 1700No. 1 Non-Dense 2.92 1.62 0.26 1.00 3.60 970 1600 SPIBNo. 2 Dense 12" wide 2.92 1.55 0.26 1.37 3.84 1030 1700No. 2 2.48 1.49 0.26 1.18 3.48 970 1600No. 2 Non-Dense 2.29 1.42 0.26 1.00 3.24 850 1400No. 3/Stud 1.46 0.88 0.26 1.18 1.98 850 1400SOUTHERN PINE 2Dense Struct. 86 2"-4" thick 6.60 4.73 0.45 1.37 4.80 1090 1800Dense Struct. 72 5.59 3.92 0.37 1.37 3.96 1090 1800 SPIBDense Struct. 65 2" & wider 5.08 3.51 0.33 1.37 3.60 1090 1800SOUTHERN PINE 2(wet use)Dense Struct. 86 2-1/2"-4" thick 5.33 3.78 0.42 0.92 3.12 970 1600Dense Struct. 72 4.45 3.24 0.35 0.92 2.64 970 1600 SPIBDense Struct. 65 2-1/2" & wider 4.06 2.84 0.32 0.92 2.40 970 1600SPRUCE-PINE-FIRSel. Struct. 2"-4" thick 3.18 1.82 0.20 0.88 3.36 910 1500No. 1/No. 2 2.22 1.15 0.20 0.88 2.64 850 1400No. 3 2" & wider 1.27 0.68 0.20 0.88 1.50 730 1200 NLGAStud 1.71 0.88 0.20 0.88 1.62 730 1200Construction 2"-4" thick 2.48 1.28 0.20 0.88 3.24 790 1300Standard 1.40 0.74 0.20 0.88 2.64 730 1200Utility 2"-4" wide 0.64 0.34 0.20 0.88 1.74 670 1100SPRUCE-PINE-FIR (SOUTH)Select Structural 3.30 1.55 0.20 0.70 2.88 790 1300No. 1 2"-4" thick 2.16 1.08 0.20 0.70 2.52 730 1200No. 2 1.91 0.88 0.20 0.70 2.34 670 1100 NELMANo. 3 2" & wider 1.08 0.54 0.20 0.70 1.32 610 1000 NSLBStud 1.46 0.68 0.20 0.70 1.44 610 1000 WCLIBConstruction 2"-4" thick 2.16 1.01 0.20 0.70 2.88 610 1000 WWPAStandard 1.21 0.61 0.20 0.70 2.40 550 900Utility 2"-4" wide 0.57 0.27 0.20 0.70 1.56 550 900
Page 1 and 2: SUPPLEMENTStructural LumberLRFDLOAD
Page 3: PrefaceThis supplement contains adj
Page 7 and 8: 2 DESIGNER FLOWCHART1.1 FlowchartSt
Page 9 and 10: 4 INTRODUCTION TO STRUCTURAL LUMBER
Page 11 and 12: 6 REFERENCE STRENGTHS3.1 GeneralThe
Page 13 and 14: 8 REFERENCE STRENGTHSTable 3.1Refer
Page 15 and 16: 10 REFERENCE STRENGTHSTable 3.2Refe
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Page 35 and 36: 30REFERENCE STRENGTHS
Page 37 and 38: 32 DESIGN ADJUSTMENT FACTORS4.1 Gen
Page 39 and 40: 34 DESIGN ADJUSTMENT FACTORSandFgN
Page 41 and 42: 36 DESIGN ADJUSTMENT FACTORSTable 4
Page 43 and 44: 38 MEMBER SELECTION TABLES5.1 Gener
Page 47 and 48: 42 MEMBER SELECTION TABLESTable 5.3
Page 55 and 56: 50MEMBER SELECTION TABLES
Page 57 and 58: 52 OTHER CONSIDERATIONS6.1 GeneralW
Page 59 and 60: 54OTHER CONSIDERATIONS
Page 61 and 62: 56 SPAN TABLES7.1 Explanation of Ta
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66SPAN TABLES
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68 SECTION PROPERTIES8.1 Cross-Sect
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70CROSS-SECTION PROPERTIES
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72 APPENDIXAppendix: Example of Sel
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74 APPENDIXV u= shear force due to
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76APPENDIX
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SUPPLEMENTStructural GluedLaminated
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LRFD STRUCTURAL GLUED LAMINATED TIM
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SUPPLEMENTTimber Polesand PilesLRFD
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AMERICAN WOOD COUNCIL
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2 DESIGNER FLOWCHART1.1 FlowchartTi
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4 INTRODUCTION TO TIMBER POLES AND
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6 DESIGN ADJUSTMENT FACTORS3.1 Gene
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8 DESIGN ADJUSTMENT FACTORSTable 3.
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10 REFERENCE STRENGTHS4.1 GeneralTh
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12REFERENCE STRENGTHSAMERICAN WOOD
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14 POLE AND PILE SELECTION TABLES5.
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16 POLE AND PILE SELECTION TABLESTa
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18 POLE AND PILE SELECTION TABLESTa
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20POLE AND PILE SELECTION TABLESAME
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22 OTHER CONSIDERATIONS6.1 GeneralW
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24OTHER CONSIDERATIONSAMERICAN WOOD
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26 SECTION PROPERTIES7.1 SECTION PR
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28 SECTION PROPERTIESTable 7.4Speci
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30 SECTION PROPERTIESAMERICAN WOOD
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SUPPLEMENTStructural-UsePanelsLRFDL
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GUIDELINELRFD STRUCTURAL-USETO LRFD
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SUPPLEMENTStructuralConnectionsLRFD
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8.3D Factored Resistance Values (φ
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2 DESIGNER FLOWCHART1.1 FlowchartSt
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4 INTRODUCTION TO STRUCTURAL CONNEC
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6 DESIGN ADJUSTMENT FACTORS3.1 Gene
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14 FACTORED RESISTANCE VALUES4.1 Ge
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16 FACTORED RESISTANCE VALUESAMERIC
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18 FACTORED RESISTANCE VALUESTable
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62FACTORED RESISTANCE VALUESAMERICA
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64 OTHER CONSIDERATIONS5.1 GeneralW
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66 FASTENER DIMENSIONS6.1 Typical D
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68 APPENDIXSimplified Design Equati
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70 APPENDIXLimitations for Simplifi
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72 APPENDIXWood Screw ConnectionsLi
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74APPENDIXAMERICAN WOOD COUNCIL
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1996 LRFD Supplements - unprotected PDF - American Wood Council

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