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A platform for research: civil engineering, architecture and urbanism
Seismic Retrofit Using Rocking Walls and Steel Dampers
A retrofit system of prestressed concrete rocking walls and steel dampers is used to control the seismic damage mode and increase the strength and energy dissipating capacity of an 11 story steel reinforced concrete frame in Japan. Important details of the retrofit design are introduced. The seismic performance of the structure before and after the retrofit is evaluated through extensive nonlinear time history analysis. Results show that the rocking system can significantly reduce both the seismic responses to different earthquake ground motions and their scattering. This makes the damage mode and the seismic performance of the retrofitted building more predictable, leading to a possibility of more reliable performance-based seismic design.
Seismic Retrofit Using Rocking Walls and Steel Dampers
A retrofit system of prestressed concrete rocking walls and steel dampers is used to control the seismic damage mode and increase the strength and energy dissipating capacity of an 11 story steel reinforced concrete frame in Japan. Important details of the retrofit design are introduced. The seismic performance of the structure before and after the retrofit is evaluated through extensive nonlinear time history analysis. Results show that the rocking system can significantly reduce both the seismic responses to different earthquake ground motions and their scattering. This makes the damage mode and the seismic performance of the retrofitted building more predictable, leading to a possibility of more reliable performance-based seismic design.
Seismic Retrofit Using Rocking Walls and Steel Dampers
Wada, A. (author) / Qu, Z. (author) / Ito, H. (author) / Motoyui, S. (author) / Sakata, H. (author) / Kasai, K. (author)
ATC and SEI Conference on Improving the Seismic Performance of Existing Buildings and Other Structures ; 2009 ; San Francisco, California, United States
2009-12-07
Conference paper
Electronic Resource
English
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