2012 Volume 64 Issue 6 Pages 911-919
Although authors has been continuing pointing out since the “Great Hanshin Earthquake” about the danger of ceiling collapse, many casualties have occurred by the “Great East Japan Earthquake” in 2011. The prevention from fall of ceilings is urgent need. Many of seismic reinforcement methods of the past for suspended ceilings are to reinforce ceiling frame above ceilings without work space, and those problems it has were actualized by the “Great East Japan Earthquake”. In this paper, seismic reinforcement with parabolic cables for existing ceilings is proposed, and the validity of it is proved by the shaker test. [This abstract is not included in the PDF]
