BRB Retrofit of mid-rise soft-first-story RC moment-frame buildings with masonry infill in upper stories
Sign Up to like & getrecommendations! Published in 2020 at "Journal of building engineering"
DOI: 10.1016/j.jobe.2020.101783
Abstract: Abstract A high percentage of mid-rise soft-first-story (SFS) reinforced concrete (RC) buildings with masonry infill in upper stories collapsed in Mexico City during the SEPT/19/2017 earthquake. For this reason, in this work, a SFS building… read more here.
Keywords: soft first; mid rise; first story; rise soft ... See more keywords
Negative stiffness device for seismic protection of MDOF yielding fixed base structures: Experimental and analytical study
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DOI: 10.1177/87552930241292348
Abstract: Shake table tests of single degree of freedom elastic/inelastic structures have confirmed that by adding a negative stiffness device (NSD), capable of exhibiting nonlinear elastic negative stiffness, in conjunction with a viscous damper, the acceleration,… read more here.
Keywords: nsd damper; story; first story; negative stiffness ... See more keywords
Steel hysteretic column dampers for seismic retrofit of soft-first-story structures
Sign Up to like & getrecommendations! Published in 2020 at "Steel and Composite Structures"
DOI: 10.12989/scs.2020.37.3.259
Abstract: In this study a new hysteretic damper for seismic retrofit of soft-first story structures is proposed and its seismic retrofit effect is evaluated. The damper consists of one steel column member and two flexural fuses… read more here.
Keywords: seismic retrofit; steel; story structures; retrofit ... See more keywords