November 27th, 2007
First Seismic Manual Released
The Precast/Prestressed Concrete Institute has released Seismic Design of Precast/Prestressed Concrete Structures. The manual represents the first comprehensive guidelines for meeting the requirements of the International Building Code and other engineering standards in regions of varying seismic hazard across the country.
“There has never previously been a publication that addressed seismic needs as they related to precast concrete design for all regions across the country and all code requirements,” says Jason Krohn, director of technical activities for PCI. “The manual was created especially because of the number of new provisions impacting seismic design in the last few code cycles.”
The ability to create a comprehensive design approach was simplified by the acceptance of the International Building Code that has merged the previous three legacy model codes into one, he notes. “Previously, it was difficult to create a design approach that could be certain to meet the three legacy building codes used in different regions. This manual now can provide unified procedures for designing precast, prestressed concrete structures for seismic requirements anywhere in the country.”
The manual presents approaches for designing precast concrete structures to meet the seismic-design provisions of Building Code Requirements for Structural Concrete (ACI 318-02) and Commentary (ACI 318R-02), ASCE 7 Standard Minimum Design Loads for Buildings and Other Structures (ASCE 7-02), and the 2003 International Building Code.
The manual was written by Ned Cleland, Ph.D, P.E., principal at the engineering consulting firm of Blue Ridge Design Inc. in Winchester, Virginia, and S.K. Ghosh, Ph.D, principal in S.K. Ghosh Associates Inc., a seismic and building-code consultancy in Palatine, Ill.
The authors examine various styles and classifications of precast concrete lateral-force-resisting systems and review code and behavior requirements. These requirements are then applied to realistic examples. The manual includes an examination of energy dissipation, ongoing research, diaphragm design and anticipated code developments.
The manual is available from PCI for $175 for members and $350 for nonmembers.
LABELS Earthquakes, Exteriors, International Building Code, PCI, Safety, Seismic Design, infrastructure No Comments »





