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2018 IBC/SDPWS 2015 - Shear Wall Schedule <br /> 7/16"OSB; 0.131"t) Nails; SPF or HF Studs @ 16"oc <br /> Table 4.3A Nominal Unit Shear Capacities for Wood-Frame Shear Walls'3,6.7 <br /> Wood-based Panels.' <br /> A B <br /> Mlnlmun SEISMIC WIND <br /> Minimum Fastener Panel Edge Fastener <br /> Fastener Panel Edge Fastener Spacing(in.) <br /> 9 <br /> Sheathin Nominal Penetration —� <br /> (In.) BlodBlockingg Spacing(In. <br /> Materialg Panel in Framing Type IL Size 4 3 2 B .-L_ 4 3 2 <br /> Thickness Member v, G. yr G, v. G. v. G. v. v. v. V. <br /> (in.) (pit) (kipelin.) (p(f) (klps6n.) (pity (kipslin.) (pit) (kipslirs4 (pif) (pit) (pit) (pit) <br /> Nag(common or OW PLY 059 PLY 0515 PLY 05B PLY <br /> galvanised boa) <br /> Woos 5/16 1.174 ed 430 13 10 800 18 13 780 23 16 1020 35 22 580 840 1090 1430 <br /> Strttctwal 3(82 460 19 14 720 24 17 920 30 20 1220 43 24 645 1010 1290 1710 <br /> Panels-Sluclual I' 7n6' 1.318 ed 510 16 13 790 21 16 1010 27 19 1340 40 24 715 1105 1415 1875 <br /> 15132 560 14 11 660 18 14 1100 24 17 1460 37 23 765 1205 1540 2045 <br /> 15/32 1-172 10d 880 22 16 t 1020 29 20 1330 36 22 1740 51 28 950 1430 1660 .2435 <br /> 5/18 1.174 350 13 9.5 , 540 18 12 700 24 14 900 37 18 505 755 980 11260 <br /> 3/8 405 11 8.5 i 600 15 11 780 20 13 1020 32 17 560 640 1090 1 1430 <br /> Wood 3/82 440 17 12 640 25 15 820 31 17 1060 45 20 B15 695 11150 11485 <br /> Structurar 4 7/t/r 1.318 ed 460 15 11 700 22 14 900 28 17 1170 42 21 6711 980 1260 1 1840 <br /> Peels- 15132 520 13 10 760 19 13 980 25 15 1280 39 20 730 1065 1370 1790 <br /> Shselhog" 15732 1-12 101 620 22 14 920 30 17 1200 37 10 1540 52 23 870 1290 1680 2155 <br /> 19132 880 19 13 1020 26 18 1330 33 113 1740 48 22 957 1430 11860 2435 <br /> Nall(galvanized casing) <br /> Ofitawil 5116 1-1r4 Ed 280 13 420 16 550 17 720 21 390 590 776 1 1010 <br /> Siting <br /> 318 I 1-32e tfd 320 16 480 18 520 20 620 22 450 870 670 11150 <br /> PoxlaDoam Nall nleed nor <br /> gaNantred box) <br /> Sheathing 35 64 240 15 360 17 460 19 600 22 335 505 645 B40 <br /> (00•57001e00r LB ed 260 18 387 20 480 21 630 23 365 530 870 660 <br /> Glue' <br /> 141-2'aterior 172 280 18 420 20 540 22 700 24 390 590 765 980 1 <br /> Glue") 1/2 t0a 370 21 550 23 720 24 920 25 520 770 1010 1290 <br /> 58 400 21 610 23 790 24 1040 26 560 855 1105 1455 <br /> Neil(galvanized roofing) <br /> Structural 112 11 ga gala roofing nail(0.120" 340 4.0 480 5.0 520 5 5 475 845 730 <br /> Fiberboard x 1-1/2'long 4 7116-head) _. <br /> Sheathing 25✓32 11 ga gets.roofing nets(U.120' 340 4.0 460 5.0 520 5 5 475 1 645 730 <br /> x 1.3/4'longs 378`heaoi <br /> I.Nominal unit shear capacities shall be adrysted in accordance with 4.3.3 to determine ASD allowable unit shear capacity and LRfD factored unit resistance.For general construction requirements see 4.3.6 For <br /> specific requirements.see 4.3.7.1 for wood structural panel shear walls,4.3.7.2 for particleboard shear walls,and 4.3.7.3 for fiberboard shear walls,See Appendix A for common and box nail dimensions. <br /> 2 Shears arc permitted lit be increased to values shown for 15732 inch(nominal)sheathing with same nailing provided(a)studs ale spaced a maximum of 16 inches on center.or(b)panels are applied with long <br /> dimension across studs. <br /> 3.Far species and grades of framing other than Douglas-Fir-Larch or Southern Pine.reduced nominal unit shear capacities shall be determined by multiplying the tabulated nominal unit Shear capacity by the <br /> Specific Omvity.Adjustment Factor=(l-(0.5-0)l,where G=Specific Gravity of the framing lumber from the NDS(Table 12.33A).The Specific Gravity Adjustment Factor shall not be greater than I. <br /> 4.Apparent sheet stiffness values G„are based on nail slip in framing with moisture content less than or equal to 199.at time or fabrication and panel stiffness values for shear walls constructed with either OSB <br /> or 3-ply plywood panels.When 4-ply or 5-ply plywood panels or composite panels are used,G,values shall be permitted to be multiplied by 1.2. <br /> 5 Where moisture control of the framing is greater than 19%at time of fabrication.G.values shall he multiplied by 0.5. <br /> 6 Where panels are applied on both faces of a shear wall and nail spacing is less than 6"on center on either side,panel joints shall be offset to fall on different framing members as shown below.Alternatively,the <br /> width of the nailed face of framing members shall be 3'nominal or greater at adjoining panel edges and nails at all panel edges shall be staggered. <br /> 7.Galvanized nails shall be hotdipped or tumbled <br /> l. Reduction Factor=2 <br /> 2. 16"oc studs—use values for 15/32 <br /> 3. G=0.42(SPF or Hem Fir)...Adjustment Factor= [1-(0.5-0.42)]=0.92 <br /> Wall Sheathing Nail Spacing Seismic Seismic Wind Wind <br /> Blocked (1)or(2) Framing Sill Plate Capacity Capacity Capacity Capacity <br /> Type Sides Edge/Intermediate h/b,=2 h/b,=3.5 h/b,=2 h/b1=3.5 <br /> P1-6 Y 1 6"/12"oc 2x 2x 240-pif 194-pif 335-pif 272-pIf <br /> P1-4 Y 1 4rr/12"oc 2x 2x 350-pif 284-pif 490-pif 398-pif <br /> P1-3 Y 1 3"/12"oc 2-2x 2x 450-pif 366-pif 630-pif 512-pif <br /> P1-2 Y 1 2"12"oc 2-2x 2x 590-pif 478-pif 820-pif 669-pif <br /> P2-4 Y 2 4"/12"oc, 2-2x 3x 700-pif 568-pif 980-pif 796-pif <br /> ea.side <br /> P2 3 Y 2 3"/12"oc, 2-2x 3x 900-pif 733-pif 1260-pif 1024-pif <br /> ea.side <br /> 2"/12"oc, <br /> P2-2 Y 2 2-2x 3x 1180-pif 957-pif 1640-pif 1338-pif <br /> ea.side <br /> L3.2 <br />