Vibration Transmission across Seismically Damaged Beam-to-Column Junctions of Reinforced Concrete Using Statistical Energy Analysis

To detect human survivors trapped in buildings after earthquakes by using structure-borne sound it is necessary to have knowledge of vibration transmission collapsed and fragmented reinforced-concrete buildings. In this paper, statistical energy analysis (SEA) considered for modelling seismically damaged, reinforced concrete, beam-to-column junctions where the connection between beam column made only via steel reinforcement. An ensemble 30 randomly damaged was generated a Monte Carlo simulation with FEM. Experimental SEA (ESEA) then two or three subsystems determine coupling loss factors (CLFs) either bending modes combination all mode types. It shown that dominate dynamic response uncertainty predicting CLFs FEM ESEA sufficiently low should be feasible estimate even when exact angle unknown. addition, use rather than junction significantly decreases number negative ESEA. initial results paper presented at 50th International Congress Exposition on Noise Control Engineering.