신축이음장치의 소음특성 고찰 및 환경소음영향평가

Investigation of the acoustical characteristics of the expansion joint

The expansion joints are installed for connecting the bridge segments. The ambient noise expansion joints are required in domestic market because of regulation on the noise neighboring traffic roads established by ministry of environment. Therefore, field tests for measuring environment noise depending on the types of the expansion joints are carried out in order to examine the effect of expansion joints into the environments. Related geometrical analysis has been performed.