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Building Design and Construction Handbook - Merritt - Ventech!

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10.46<br />

TABLE 10.23 Maximum Shear, lb/ft, for APA Panel Shear Walls for Wind or Seismic Loading a<br />

(For framing of Douglas fir, larch, or southern pine) b<br />

Panel grade<br />

APA Structural I<br />

grades<br />

Minimum<br />

nominal<br />

panel thickness,<br />

in<br />

Minimum nail<br />

penetration<br />

in framing,<br />

in<br />

Panels applied directly to framing<br />

Nail size<br />

(common or<br />

galvanized<br />

box)<br />

Nail spacing at panel<br />

edges, in<br />

6 4 3 2 c<br />

Panels applied over 1 ⁄2-in or 5 ⁄8-in<br />

gypsum sheathing<br />

Nail size<br />

(common or<br />

galvanized<br />

box)<br />

Nail spacing at<br />

panel edges, in<br />

6 4 3 2 c<br />

5 ⁄16 1 1 ⁄4 6d 200 300 390 510 8d 200 300 390 510<br />

3 ⁄8 230 d 366 d 460 d 610 d<br />

7 ⁄16 1 1 ⁄2 8d 255 d 395 d 505 d 670 d 10d e 280 430 550 730<br />

15 ⁄32 280 430 550 730<br />

15 ⁄32 1 5 ⁄8 10d e 340 510 665 870

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