Research & Technology

Research & Technology: Building for energy efficiency

Thermal imaging of post frame and other construction methods  /  By John Fullerton /  This article is based upon a May 2010 report prepared for the National Frame Building Association by Double G Consulting (the complete report may be found at nfba.org/technicalarticles). The purpose of this study was to illustrate points of heat transfer...

Shallow post and pier foundation design: Major revision of standard completed

By David Bohnhoff, Ph.D., P.E.  /  In October 2012 the latest version of the American Society of Agricultural and Biological Engineers’ engineering practice (EP) for the design of shallow post foundations was approved by ANSI. The official designation of this new document is ANSI/ASAE EP486.2 Shallow Post and Pier Foundation Design, published more than...

Research & Technology: Effect of variability on lumber design values

Building designers, registered design professionals should stay up to date / By Don Bender, Ph.D., P.E., and  Frank Woeste, Ph.D., P.E. Properties of all materials vary, as as do structural loads such as snow, wind and occupancy. Building design professionals must responsibly deal with this variability in the design process to ensure public safety...