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- Title
Local deformation-based design of minimal-disturbance arm damper for retrofitting steel moment-resisting frames.
- Authors
Lavan, Oren; Sato, Miho; Kurata, Masahiro; Lei, Zhang
- Abstract
This paper presents a design approach for seismic rehabilitation of frames having a beam-collapse mechanism using a technique termed minimal-disturbance seismic rehabilitation. This technique pursues enhancing the seismic performance of buildings with the intention of improving the continuity of business. It minimizes obstruction of the visual and physical space of building users and the use of heavy construction equipment and work requiring fire permit (welding/cutting). The developed design approach is simple to use. Yet it leads to designs that limit the beams' plastic rotations to allowable values, while minimizing the number of locations where devices are installed and the devise dimensions. Furthermore, the effectiveness of the design approach and the rehabilitation technique is numerically studied through retrofitting a four-story steel moment-resisting frame. Copyright © 2017 John Wiley & Sons, Ltd.
- Subjects
DEGRADATION of steel; STEEL walls; DEFORMATIONS (Mechanics); RETROFITTING; FACILITY management
- Publication
Earthquake Engineering & Structural Dynamics, 2017, Vol 46, Issue 9, p1493
- ISSN
0098-8847
- Publication type
Article
- DOI
10.1002/eqe.2866