DAMAGE TO CEILINGS OF SCHOOL BUILDINGS DUE TO THE 2011 TOHOKU EARTHQUAKE AND AFTERSHOCKS

Abstract

In order to clarify the damage to ceilings as nonstructural element on school buildings due to the 2011 Tohoku Earthquake, total 205 school buildings were investigated according to documents for disaster restoration work. Damages to ceilings are concentrated on the top floor of the buildings. Bend-form ceilings tend to be damaged more than flat ones. Falls of ceiling with furrings are approximately 40% of total falls. There are many damaged ceilings even the building have enough seismic strength for current standard.