Serviceability of buildings is affect by excessive acceleration experienced at the top floors in wind storms that may cause discomfort to the occupants. Tuned liquid damper(TLD) and multiple tuned liquid damper(MTLD) are passive control devices that consists of rigid tank filled with liquid to suppress the vibration of structures. This TLD and MTLD are attributable to several potential advantages - low costs; easy to install in existing structures; effective even for small-amplitude vibrations. In this paper, the behavior of TLD and MTLD are investigated analytically and wind tunnel test of high-frequency force balance.

• 유기표(전북대학교 공업기술연구소 연구원, 공학박사) | You, Ki-Pyo
• 고낙호( 한석엔지니어링, 이사) | 고낙호
• 김영문( 전북대학교 건축도시공학부 교수, 공업기술연구소) | 김영문