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lrfd 034 - Table 3.1 Reference strength and Modulus of...

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Unformatted text preview: Table 3.1 Reference strength and Modulus of Elasticity for Glued Laminated Timber Used Prlmarlly Bendinghvl" (Cont) Bending about X-X Axis Bending about Y-Y Axis Loaded Perpendicular to Wide Faces of Laminations Loaded Parallel to Wide Faces of Laminations Modulus of Shear Parallel to Grain Modulus of Axially loaded Modulus of Extreme Fiber in The following combination is MED and is intended for members continuous or cantilevered over supports and provide equal capacity in both positive and negative bending. ZZF-VS SP/SF 5.59 5 .59 1.35 1.35 0.575 1600 1400 4.07 1.17 0.505 0.260 1 1500 1300 I 2.84 3.84 1500 1300 The [ulluwing combinations mo 0 c and arcintended pn'mnn'ly for simple span applications. 24F»V1 SP/SP 6.10 3.05 1.35 1.17g J 0575 1701] 1500 3.81 1.17 0.505 I 0.260 1500-L1300 2.97 L 3.24 1500 1300 24F-V3 SP/SP 6.10 3.05 1.35 1.35 0.575 1800 1600 L 4.07 1.17 0.505 0.260 1600 1400 3.11 4.08 1600 1400 The following combination is NOT BALANCED and is intended for straight or slightly cambered members for dry use and industrial appearancé. \l Bending Corn r. J. to Grain Elasticity (Horizontal) Elasticity Elasticity Species» '1 enslon Compt. Shear shear (multiplc Combi- Outer/ Zone Zone Parallel Extreme Compr. Parallel lams Tension Parallel I... nation Core Stressed Stressed Tension Compr. to Grain Fifth Fiber in l to to Grain without Fifth Parallel to :0 Symbol” 1)!de in in Face Face (Horiz.) Mean %-ile BendingP Grain (Horiz.) edge glue)r Mean %—ile to Grain Grain "l1 Tension“ Tensioni U Ft. Ft. 17,1x F”. Fm E1 E3. F3, Fm Fm Fwy E, Ensv F. F. U) ksi ksi ksi ksi ksl ksi ksi ksi ksi ksi ksi ksi ksi ' 5' 1 2 3 4 5 6 7 8 9 1 0 1 l 7 . l 2 1 3 1 4 l 5 l 6 1 7 C Visually Graded Southern Pine ' 7 _| The following combinations are NOT BALANCED and are intended primarily for simple-span applications. C lSF—V2 SP/SP 4.07 2.03 1.17““ 1.11"3 0.575 1400 1200 4.07 l. 17 0 05 0.260 1400 1200 2.70 F 3.72 1400 1200 g lfiFrVS SP/SP 4.07 2.03 1.35 1.35 0.575 1400 1200 3.68 1 l7 0. 05 0.260 1300 1100 2.63 3.48 1300 1100 '— The following combination is BALANCED and is intended for members continuous or cantilevered over supports and provide equal capacity in both positive and negative bending. Q 16F-V5 SP/SP 4.07 4.07 1.17”“ 1.17%“ 0.575 1400 1200 4.07 1.17 0.505 0.260 | 1400 1200 | 2.70 3.72 | 1400 1200 E The following combinations are NOT BALANCED andflre intended primarily for simple-span applications. "1 > 20F-VZ SP/SP 5.08 2.54 1.35 1.17! 0.575 1600 1400 3.68 1.17 0.505 0.260 1400 1200 2.84 3.72 1400 1200 U E 20F—V3 SP/SP 5.08 2.54 1.175" 1.1”.lg 0.575 1400 1200 4.07 1.17 0.505 0.260 1400 1200 2.70 3.60 1400 1200 '- 3 The following combinaLion is NOT BALAN D and is intended for straight or slightly cambered members for dry use and industrial appearance'. > E, I_201=.v4 sp/sp 5.03 2.54 1.35 1.17!Z a 2m" 1500 1300 2.30 0.98 0.430 0.215 1300 1100 [—1.96 2.23 | 1300 1100 E The following combination is Mg!) and is intended for members continuous or cantilevered over supports and provide equal capacity in both positive and negative bending. E 20F-V5 ‘l SP/SP 5.08 5.08 1.35 1.35 0.575 1600 1400 3.68 1.17 0.505 0.260 [ 1400 1200 2.84 [ 3.72 1400 1200 -' 7111c following combinations are NOT BALANCED and ate intended primarily for simplospan applications. “U1 22F—V1 SP/SP 5.59 2.80 1.35 1.35 0.575 1600 1400 4.07 1.17 0.505 0.260 1500 1300 2.84 3.96 1500 1300 _I 22F»V2 SP/SP 5.59 2.80 1.17” 1.175 0.575 1400 1200 4.07 1.17 0.505 0.260 1400 1200 2.70 3.60 1400 1200 — 22F—V3 SP/SP 5.59 2.80 1.35 1.175 0.575 1600 1400 3.81 1.17 0.505 0.260 1400 1200 2.34 3.60 1400 1200 g The following combination is NOT BALANCED and is irltended {or straight or slightly cambered members for dry use and industrial appearance. a new sp/sp 5.59 2.80 1.35 1.175 0.260“ 1 1600 1400 3.18 0.98 0.445 0.230 | 1400 | 1200 2.23 | 2.40 1400 1200 :U (D C 'U 'U l- "I 3 I11 2 ._| 24F—V4 SP/SP I 6.10 l 3.05 1.35 l 1.175 0.260" 170011500 3.13 0.93 0.445 0.230 1400 1200 2.301200 The following combination is 3512mm) and is intended in members continuous ct candlevered Over supports and provide equal capacity in both positive and negative bending. 243% 33/33 T 6.10 l 6.10 1.35 1.35 0,575 1705T 1500 4.07 1.17 0.505 0.260 1500 1300 3.11 4.08 1500 1300 Efollowing combinaLinns at: NOT 1; CED and are intended primarily for simplospan applications. 26F—V1 sp/sp 6.61 3.30 1.35 1.35 0.575 1800 1600 4.33 1.17 0.505 F0260 160011400 3.11 3,34 1500 1400 26F-V2 sp/sp 6.61 3.30 1.35 1.35 0.575 1900 1700 5.59 1.35 0.505 0.260 1300 1600 3.24 3.96 1300 1500 26F-V3 SP/SP 6.61 3.30 1.35 1.35 0.575 1900 1700 5.34 1.17 0.505 0.260 1300 1600 3.11 3.34 1300 1500 The following combination is BALANCED and is intended for members continuous or cantilevered oust supports and provide equal capnrity irl hnth pnsitivs and negative bonding. 26FV4 SP/SP 6.61 6.61 1.35 1.35 j 0.575 1900 1700 5.34 1.17 i 0.505 0.260 1800 1600 3.11 3.84 1800 1600 Wet Service Factorb 0.8 0.8 0.53 0.53 0.875 0.333 0.833 0.8 0.53 i 0.875 0.375 0.833 0.833 0.8 i 0.73 0.833 0.833 SSENddIlS ONV HLQNEHLS EONEHEHEIH ...
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