Banner for LabNotes
From Lab Notes
Contact Information
Forest Products Laboratory
One Gifford Pinchot Drive
Madison, WI 53726-2398
Phone: (608) 231-9200
Fax: (608) 231-9592


You are here: FPL Home  / Information Products & Services  / Publications

Requested Product

Title: Force Transfer around Openings: Phase II

Source: USDA Forest Service, Forest Products Laboratory, Madison, Wisconsin, Research In Progress RIP-4719-014

Author(s): Forest Products Laboratory

Publication Year: 2012  View PDF »

Related Publications: view

Category: Research In Progress

Abstract: The understanding of force transfer around openings (FTAO) is essential to the design of timber buildings that are safe against natural disasters such as earthquakes, tornados, and hurricanes. These disasters occur every year around the world and have resulted in billions of dollars in property damages and many unfortunate casualties (Fig. 1). A joint research project by the APA-The Engineered Wood Association; the USDA Forest Service, Forest Products Laboratory; and the University of British Columbia in 2010 (referred to as Phase I) identified the Diekmann method as the technique that seemed to best match laboratory observations (Fig. 2) and computer model simulations when compared with other methods (such as the drag strut, cantilever beam, and coupled beam techniques). The final Phase I report is available at www.apawood. org/pdfs/download_pdf.cfm?PDFFilename=managed/M410.pdf.

Keywords: force transfer, openings, design, natural disasters

File size: 481 kb(s)

Date posted: 05/18/2012

Additional items that might interest you
View the video celebrating FPL's 100 years of public service in 2010, from the producers of the Greatest Good....view

Research Highlights from FPL....view

Termite Eradication: A search for the Holy Grail.... view

Moisture Management in Residential Construction Series videos...view

Wood Floor Systems in Residential Construction Series videos....view
- FPL's Mission and Strategic Plan -

FPL's mission is to identify and conduct innovative wood and fiber utilization research that contributes to conservation and productivity of the forest resource, thereby sustaining forests, the economy, and quality of life. ... ..more »

- FPL Research Emphasis Areas -
Advanced Composites

As an integral part of the FPL mission, we improve the long-term sustainability of our Nation's forests by creating valuable composite products from biobased materials ... ..more »

Advanced Structures

The FPL has been in the forefront of wood-frame housing research since 1910 and has long been recognized as a world leader in such housing-related areas as engineered wood ... ..more »

Forest Biorefinery

We all know the compelling reasons that the United States needs to reduce its dependence on fossil fuels. Historically, the greatest increases in energy demand have been for transportation fuels ... ..more »


A leader in wood products research for over a century, the FPL is positioning itself to become the lead Federal research facility for the application of nanotechnology in forest products ... more »

Woody Biomass Utilization

Forests in the United States contain a substantial amount of small-diameter, overstocked, and underutilized material.FPL research projects are exploring the potential of the small-diameter ... ..more »