Supplement - Structural Use Panels - American Wood Council

GUIDELINELRFD STRUCTURAL-USETO LRFD FOR STRUCTURALPANELS SUPPLEMENTCOMPOSITE LUMBER3131Table 7.2(Continued) OSB Uniform Load Capacities (a,b,c) (psf)Primary Axis Across SupportsSecondary Axis Across SupportsSpan Limit Span (in., center-to-center) Span (in., center-to-center)Rating State 12 16 19.2 24 32 40 48 12 16 19.2 24SINGLE FLOOR16 oc L/360 585 226 126 62 25 16 10 133 51 36 18L/240 877 339 188 93 37 24 15 199 77 55 27L/180 1169 453 251 123 50 32 20 266 103 73 36M 451 255 178 115 66 35 25 165 94 53 35V s 465 338 277 219 162 124 107 301 219 172 13620 oc L/360 818 317 176 86 35 22 14 157 61 43 21L/240 1228 475 264 130 52 33 21 236 91 64 32L/180 1637 634 352 173 70 45 28 314 122 86 42M 521 294 205 132 75 40 28 229 130 73 48V s 548 397 326 257 190 145 126 352 256 202 15924 oc L/360 1169 453 251 123 50 32 20 314 122 86 42L/240 1754 679 377 185 75 48 30 471 182 129 63L/180 2338 905 502 247 100 64 40 628 243 172 84M 694 391 273 175 100 52 37 351 198 111 72V s 702 509 417 329 243 186 161 404 293 231 18232 oc L/360 2533 981 544 267 108 69 44 906 351 248 122L/240 3800 1471 816 401 162 103 65 1359 526 372 183L/180 5067 1961 1088 535 216 138 87 1812 702 496 244M 942 531 370 237 135 70 49 618 349 195 126V s 825 598 491 387 286 218 189 579 420 331 26148 oc L/360 4482 1735 963 473 191 122 77 1933 748 529 260L/240 6723 2603 1444 709 287 183 116 2900 1123 793 390L/180 8964 3470 1925 946 383 244 154 3866 1497 1058 520M 1731 975 678 435 246 127 89 1104 622 347 223V s 1237 896 735 579 427 326 282 928 673 530 417(a)Values represent unfactored total load (= D + L) and are applicable when λ = 0.8 and dead load (D) = 10 psf.(b)Applicable when nominal 2-in. framing members are used for supports less than 48 in. o.c., and nominal 4-in. framing members are used for supports at 48 in. o.c.(c)Tabulated values are based on the following loading configurations:Primary Axis Across SupportsSecondary Axis Across SupportsSupport Spacing (s) No. of Spans Support Spacing (s) No. of Spanss ≤ 32 in. o.c. 3 s ≤ 16 in. o.c. 3s > 32 in. o.c. 2 24 in. ≥ s > 16 in. 27SUPPLEMENTAL DESIGN ASSISTANCEAPA/EWS