Plywood Design Specification, Supplement 5-23: Design and Fabrication of All-Plywood Beams

This publication is a supplement to the APA Plywood Design Specification publication. It presents the recommended methods for the design and fabrication of staple-glued all-plywood beams. The technical data in this Supplement area presented as the basis for design and fabrication of all-plywood beams.

This publication is designed for: engineers, designers

Key sections include:

• Design of all-plywood beams

  • Determine total load based on allowable web and flange bending stress

  • Determine total load based on allowable web shear stress

  • Determine total load based on allowable flange-web shear stress

  • Determine final total allowable load

  • Calculate deflection at allowable load

  • Beam support and connection details

• Fabrication of all-plywood beams

  • Materials

  • Fabrication

  • Test samples

  • Identification

• Design example for all-plywood beams

Published by APA — The Engineered Wood Association.