Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 23 - Wood
Section 2306 - ALLOWABLE STRESS DESIGN
Subsection 2306.5 - Particleboard shear walls
Universal Citation: 780 CMR MA Code of Regs 2306.5
Current through Register 1531, September 27, 2024
Particleboard shear walls shall be designed and constructed in accordance with AF & PA SDPWS. Particleboard shear walls shall be permitted to resist horizontal forces using the allowable shear capacities set forth in Table 2306.5. Allowable capacities in Table 2306.5 are permitted to be increased 40 percent for wind design. Particleboard shall not be used to resist seismic forces in structures assigned to Seismic Design Category D, E or F.
TABLE 2306.5 ALLOWABLE SHEAR FOR PARTICLEBOARD SHEAR WALL SHEATHINGb
| PANEL GRADE | MINIMUM NOMINAL PANEL THICKNESS (inch) | MINIMUM NAIL PENETRATION IN FRAMING (inches) | PANELS APPLIED DIRECT TO FRAMING | ||||
| Nail size (common or galvanized box) | Allowable shear (pounds per foot) nail spacing at panel edges (inches)a | ||||||
| 6 | 4 | 3 | 2 | ||||
| M-S "Exterior Glue" and M-2 "Exterior Glue" | 3/8 | 11/2 | 6d | 120 | 180 | 230 | 300 |
| 3/8 | 11/2 | 8d | 130 | 190 | 240 | 315 | |
| 1/2 | 140 | 210 | 270 | 350 | |||
| 1/2 | 15/8 | 10d | 185 | 275 | 360 | 460 | |
| 5/8 | 200 | 305 | 395 | 520 | |||
| For SI: 1 inch = 25.4 mm, 1 pound per foot = 14.5939
N/m. a. Values are not permitted in Seismic Design Category D, E or F. b. Galvanized nails shall be hot-dipped or tumbled. |
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