NDS Archives + Historical Design Values
1991-1997 NDS Commentary – Historical Development
Western Wood Products Association – In-Grade Lumber Testing and Design Values for Dimension Lumber
Wood Handbook – Wood as an Engineering Material
Wood and Timber Condition Assessment Manual, First Edition – Hardcopy
Wood and Timber Condition Assessment Manual, Second Edition – Electronic (PDF)
by Robert J. Ross and Robert H. White
Forest Products Laboratory
One Gifford Pinchot Drive
Madison, WI 53726
Phone: (608) 231-9200
Main Phone: (608) 231-1361 ext. 202
Here's contact information for the lead author:
Dr. Robert J. Ross
Phone: (608) 231-9221
Evaluation, Maintenance and Upgrading of Wood Structures: A Guide and Commentary. Published by: ASCE (Proceedings of a session at Structures Congress, 1986). Edited by: Alan Freas. Available at https://play.google.com/store/books/details?id=6lghAGA7OLwC
Evaluation and Upgrading of Wood Structures: Case Studies. Published by: ASCE (Proceedings of a session at Structures Congress, 1986). Edited by: Vijay K. A. Gopu. Available at http://cedb.asce.org/CEDBsearch/record.jsp?dockey=0050270
ISBN # 0872625508
Grading of existing timbers
West Coast Lumber Inspection Bureau (WCLIB) will grade existing timbers. Here's contact information:
WEST COAST LUMBER INSPECTION BUREAU
PO Box 23145
Portland, Oregon 97281-3145
MO-111.1 Inspection of Wood Beams and Trusses (09-01-1985)
NAVFAC Maintenance & Operations Manual
Historical Considerations in Evaluating Timber Structures
R. L. Tuomi and R. C. Moody, Engineers
Forest Products Laboratory U.S. Department of Agriculture
Fire and Smoke Repair
Restoration Industry Association Guidelines for Fire & Smoke Damage Repair, 2nd Edition
Classic texts online
Rankin, William John MacQuorn (1866): Useful Rules and Tables relating to Mensuration, Engineering, Structures, and Machines, Charles Griffn and Company, London, UK.
Includes timber design properties (see p.199).
Johnson, J.B. (1904): The Materials of Construction - A Treatise for Engineers on the Strength of Engineering Materials, Fourth Edition, John Wiley & Sons, New York, USA.
Comprehensive strength of materials text for typical materials of the time, including timber (see p.236-238).
Ketchum, Milo S. (1918): Structural Engineers Handbook - Data for the Design and Construction of Steel Buildings and Bridges, Second Edition, McGraw-Hill Book Company Inc., New York, USA.
Includes timber Bridges and trestles (see p.298).
Jacoby, H.S. (1909): Structural Details or Elements of Design in Timber Framing, John Wiley & Sons, NY, USA.
An early authoritative text on timber detailing, joints, connections, design, and more.