Aids instruction in structural design of wood structures using both Allowable Stress Design (ASD) and Load and Resistance Factor Design (LRFD).
The 2024 National Design Specification (NDS) for Wood Construction was developed by AWC’s Wood Design Standards Committee and approved as a standard by ANSI (American National Standards Institute) on October 16, 2023. The 2024 NDS is referenced in the 2024 International Building Code. See updates and errata for the 2024 NDS. The 2024 NDS Commentary is available as part of…
Design provisions in the NDS are integral with design values in the NDS Supplement. As such, it is not appropriate to mix design values and provisions from different editions of the NDS. The NDS Supplement contains design values for sawn lumber, structural glued laminated timber, and round timber poles and piles. See updates and errata…
The 2018 National Design Specification (NDS) for Wood Construction was developed by the American Wood Council’s (AWC) Wood Design Standards Committee and has been approved by ANSI as an American National Standard. The 2018 NDS is referenced in the 2018 International Building Code. Significant additions to the 2018 NDS include new Roof Sheathing Ring Shank nails and fastener head pull-through design provisions…
Design provisions in the NDS are integral with design values in the NDS Supplement. As such, it is not appropriate to mix design values and provisions from different editions of the NDS. The NDS Supplement contains design values for sawn lumber, structural glued laminated timber, and round timber poles and piles. See updates and errata…