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American Wood Council

Where can I find information on evaluation, maintenance and repair of existing structures?


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
Website: http://www.forestprod.org
Main Phone: (608) 231-1361 ext. 202

Here's contact information for the lead author:
Dr. Robert J. Ross
E-mail: rjross@fs.fed.us
Phone: (608) 231-9221
Website: http://www.fs.fed.us/research/people/profile.php?alias=rjross

Other resources:

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 
503-639-0651 
Fax: 503-684-8928
http://www.wclib.org/

Historical Considerations in Evaluating Timber Structures
R. L. Tuomi and R. C. Moody, Engineers 
Forest Products Laboratory U.S. Department of Agriculture 
http://www.fpl.fs.fed.us/documnts/fplgtr/fplgtr21.pdf

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.

 

 
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