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Experimental Study of the Behavior of Dual Steel Systems. U.S.-Japan Cooperative Earthquake Research Program
The report compares the behavior of 0.3-scale models of a concentrically braced (CBDS) and an eccentrically braced (EBDS) dual system. These two dual systems, six stories in height, were tested on the earthquake simulator at the University of California at Berkeley, as part of the U.S.-Japan Cooperative Earthquake Research Program. The models were similitude scaled replicas of full-scale test structures (prototypes) that were pseudo-dynamically tested in the Building Research Institute in Tsukuba, Japan, and which satisfied the seismic requirements of the 1985 UCB, 1984 ATC 3-06 and 1986 SEAOC. The performances of the two models are compared for minor, moderate and severe earthquake shaking. The performance of the EBDS was clearly superior to that of the CBDS. The roles of the DMRFs in both models are studied and recommendations are made regarding their minimum stiffness and strength requirements in CBDSs and EBDSs. The values of response modification factors used to derive design response spectra from an assumed linear elastic design response spectra for CBDSs and EBDSs are reviewed in the report; in both instances, the ATC and SEAOC response modification factors are significantly higher than the values obtained from the earthquake simulator testing of the models.
Experimental Study of the Behavior of Dual Steel Systems. U.S.-Japan Cooperative Earthquake Research Program
The report compares the behavior of 0.3-scale models of a concentrically braced (CBDS) and an eccentrically braced (EBDS) dual system. These two dual systems, six stories in height, were tested on the earthquake simulator at the University of California at Berkeley, as part of the U.S.-Japan Cooperative Earthquake Research Program. The models were similitude scaled replicas of full-scale test structures (prototypes) that were pseudo-dynamically tested in the Building Research Institute in Tsukuba, Japan, and which satisfied the seismic requirements of the 1985 UCB, 1984 ATC 3-06 and 1986 SEAOC. The performances of the two models are compared for minor, moderate and severe earthquake shaking. The performance of the EBDS was clearly superior to that of the CBDS. The roles of the DMRFs in both models are studied and recommendations are made regarding their minimum stiffness and strength requirements in CBDSs and EBDSs. The values of response modification factors used to derive design response spectra from an assumed linear elastic design response spectra for CBDSs and EBDSs are reviewed in the report; in both instances, the ATC and SEAOC response modification factors are significantly higher than the values obtained from the earthquake simulator testing of the models.
Experimental Study of the Behavior of Dual Steel Systems. U.S.-Japan Cooperative Earthquake Research Program
A. S. Whittaker (author) / C. M. Uang (author) / V. V. Bertero (author)
1990
352 pages
Report
No indication
English
Structural Analyses , Dynamic response , Earthquake resistant structures , Structural vibration , Steel structures , Seismic waves , Structural steels , Earthquake engineering , Earthquake damage , Mathematical models , Stiffness , Strength , Models , Simulators , Earthquakes , Structural members , Structural analysis
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