Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Seismic evaluation of a low rise steel building
AbstractMost low rise building structures (four storeys or less) in the US today have received little, if any, design for lateral forces due to earthquakes, except in those few areas in which seismic analysis is mandated by local building codes. Infrequent but damaging earthquakes in areas of low to moderate seismicity may pose a substantial threat to structures not specifically designed for earthquake resistance. A well designed two storey steel office building located in Atlanta, Georgia, proportioned for gravity and wind loads only, was selected for detailed seismic evaluation. The dynamic properties of the building were obtained from analyses of three-dimensional computer models. The effective shear stiffness of diaphragms was used to study the influence of diaphragm flexibility on model response.The lateral force resisting capability of the building was evaluated using seismic load provisions of the Uniform Building Code and the tentative provisions of ATC-3. Elastic and inelastic responses of the analytical models to moderate earthquake motions were also determined. The inelastic response spectrum force levels were in good agreement with code values. Seismic resistance was found to be satisfactory for both the code and inelastic response spectrum force levels which were larger than the actual design wind loads.
Seismic evaluation of a low rise steel building
AbstractMost low rise building structures (four storeys or less) in the US today have received little, if any, design for lateral forces due to earthquakes, except in those few areas in which seismic analysis is mandated by local building codes. Infrequent but damaging earthquakes in areas of low to moderate seismicity may pose a substantial threat to structures not specifically designed for earthquake resistance. A well designed two storey steel office building located in Atlanta, Georgia, proportioned for gravity and wind loads only, was selected for detailed seismic evaluation. The dynamic properties of the building were obtained from analyses of three-dimensional computer models. The effective shear stiffness of diaphragms was used to study the influence of diaphragm flexibility on model response.The lateral force resisting capability of the building was evaluated using seismic load provisions of the Uniform Building Code and the tentative provisions of ATC-3. Elastic and inelastic responses of the analytical models to moderate earthquake motions were also determined. The inelastic response spectrum force levels were in good agreement with code values. Seismic resistance was found to be satisfactory for both the code and inelastic response spectrum force levels which were larger than the actual design wind loads.
Seismic evaluation of a low rise steel building
Naman, S.K. (Autor:in) / Goodno, B.J. (Autor:in)
Engineering Structures ; 8 ; 9-16
01.01.1986
8 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
earthquakes , torsion , vibration , office buildings , structural engineering , diaphragms , shear stiffness , low rise , steels , frames , building codes , loads
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