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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Inelastic Behavior of Eccentrically Braced Steel Frames Under Cyclic Loadings
A unique, practical structural system, the eccentric bracing system, which possesses many advantages in the seismic design of steel structures, is described in this work. This system employs diagonal braces with deliberately large eccentricities with respect to the beam-column joint. The eccentricity is introduced to provide a ductile fuse which will prevent brace buckling at extreme loads, such as those that may occur during a severe shake, and to avoid the poor energy dissipation characteristics which result from this buckling. The system is also a very stiff structural system, since linear elastic analysis indicates that the lateral stiffness remains essentially constant over a wide range of small to moderate eccentricities. Therefore, eccentrically braced frames offer the elastic strength and stiffness of a braced frame and the energy dissipation of a steel moment-resisting frame. Hence, the system is very suitable for the design of earthquake-resistant structures, and it has numerous potential applications.
Inelastic Behavior of Eccentrically Braced Steel Frames Under Cyclic Loadings
A unique, practical structural system, the eccentric bracing system, which possesses many advantages in the seismic design of steel structures, is described in this work. This system employs diagonal braces with deliberately large eccentricities with respect to the beam-column joint. The eccentricity is introduced to provide a ductile fuse which will prevent brace buckling at extreme loads, such as those that may occur during a severe shake, and to avoid the poor energy dissipation characteristics which result from this buckling. The system is also a very stiff structural system, since linear elastic analysis indicates that the lateral stiffness remains essentially constant over a wide range of small to moderate eccentricities. Therefore, eccentrically braced frames offer the elastic strength and stiffness of a braced frame and the energy dissipation of a steel moment-resisting frame. Hence, the system is very suitable for the design of earthquake-resistant structures, and it has numerous potential applications.
Inelastic Behavior of Eccentrically Braced Steel Frames Under Cyclic Loadings
C. W. Roeder (Autor:in) / E. P. Popov (Autor:in)
1977
338 pages
Report
Keine Angabe
Englisch
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