Seismic retrofit of existing SRC frames using rocking walls and steel dampers

2011, Volume 5, Issue 3

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Frontiers of Structural and Civil Engineering >> 2011, Volume 5, Issue 3 doi: 10.1007/s11709-011-0114-x

Seismic retrofit of existing SRC frames using rocking walls and steel dampers

1. Structural Engineering Research Center, Tokyo Institute of Technology, Tokyo 152-8550, Japan; 2. Center for Urban Earthquake Engineering, Tokyo Institute of Technology, Tokyo 152-8550, Japan

Available online: 2011-09-05

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Abstract

A retrofit of an existing 11-story steel reinforced concrete frame that features the innovative use of post-tensioned rocking walls and shear steel dampers is presented. The main components of the retrofitting plan and important design considerations are described. The retrofitting system is expected to effectively control the deformation pattern of the existing structure and significantly reduce damage to the existing structure during major earthquakes.

Keywords

building structure ; seismic retrofit ; rocking wall ; steel damper

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