Arquitectura

U.S. Department of Housing and Urban Development Office of Policy Development and Research

Residential Structural Design Guide:

2000 Edition

A State-of-the-Art Review and Application of Engineering Information for Light-Frame Homes, Apartments, and Townhouses

PATH (Partnership for Advanced Technology in Housing) is a new private/public effort to develop, demonstrate, and gainwidespread market acceptance for the “Next Generation” of American housing. Through the use of new or innovative technologies the goal of PATH is to improve the quality, durability, environmental efficiency, and affordability of tomorrow’s homes. Initiated at the request of the White House, PATH is managed and supported by the Department of Housing and Urban Development (HUD). In addition, all FederalAgencies that engage in housing research and technology development are PATH Partners, including the Departments of Energy and Commerce, as well as the Environmental Protection Agency (EPA) and the Federal Emergency Management Agency (FEMA). State and local governments and other participants from the public sector are also partners in PATH. Product manufacturers, home builders, insurance companies,and lenders represent private industry in the PATH Partnership. To learn more about PATH, please contact:

Suite B133 451 7th Street, SW Washington, DC 20410 202-708-4250 (fax) e-mail: pathnet@pathnet.org website: www.pathnet.org

Residential Structural Design Guide:

2000 Edition
A State-of-the-Art Review and Application of Engineering Information for Light-Frame Homes, Apartments, andTownhouses
Prepared for U.S. Department of Housing and Urban Development Office of Policy Development and Research Washington, DC Contract H-21065CA

and National Association of Home Builders Housing Affordability Through Design Efficiency Program Washington, DC

by NAHB Research Center, Inc. Upper Marlboro, Maryland

February 2000

Acknowledgments
This document was prepared by the NAHBResearch Center, Inc. The work was sponsored by the U.S. Department of Housing and Urban Development (HUD) and cofunded by the National Association of Home Builders (NAHB). The principal authors of the guide are Jay Crandell, P.E., and Andrea Vrankar, P.E., R.A., with contributions from Donald F. Luebs. Graphics were produced by Barbara Vrankar Karim, Lisa Zimmerman, and Mary Ellen Howard. Specialappreciation is extended to William Freeborne and Riley Chung of HUD for their review and guidance throughout the project. Appreciation is also extended to the following individuals whose comments made this work more complete: Patrick Bridges, Bridges and Associates; Dr. Eric F.P. Burnett, Pennsylvania Housing Research Center; Kirk Grundahl, Wood Truss Council of America; David Mason, SouthernForest Products Association; and Mark Nowak, NAHB Research Center, Inc. A special thank you is extended to David Gromala, Brad Douglas, David Rosowsky, Thomas Williamson, and Michael Baker for their instructive criticism and technical suggestions that significantly improved the soundness of this work. The significant editorial contributions of Carol Soble are certainly recognized for the improvedquality of this writing. Finally, for the hours of hard work and rework in pulling this document together, the authors extend many thanks to Lynda Marchman.

ABOUT THE NAHB RESEARCH CENTER, INC.
The NAHB Research Center is a not-for-profit subsidiary of the National Association of Home Builders (NAHB). The NAHB has 190,000 members, including 50,000 builders who build more than 80 percent of newAmerican homes. NAHB Research Center conducts research, analysis, and demonstration programs in all areas relating to home building and carries out extensive programs of information dissemination and interchange among members of the industry and between the industry and the public.

NOTICE
The contents of this report are the views of the contractor and do not necessarily reflect the views or...