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Use of vibration characteristics to predict the axial deformation of columns
Moragaspitiya, H.N. Praveen,Thambiratnam, David P.,Perera, Nimal J.,Chan, Tommy H.T. Techno-Press 2014 Structural Engineering and Mechanics, An Int'l Jou Vol.50 No.1
Vibration characteristics of columns are influenced by their axial loads. Numerous methods have been developed to quantify axial load and deformation in individual columns based on their natural frequencies. However, these methods cannot be applied to columns in a structural framing system as the natural frequency is a global parameter of the entire framing system. This paper presents an innovative method to quantify axial deformations of columns in a structural framing system using its vibration characteristics, incorporating the influence of load tributary areas, boundary conditions and load migration among the columns.
Use of vibration characteristics to predict the axial deformation of columns
H.N. Praveen Moragaspitiya,David P. Thambiratnam,Nimal J. Perera,Tommy H.T. Chan 국제구조공학회 2014 Structural Engineering and Mechanics, An Int'l Jou Vol.50 No.1
Vibration characteristics of columns are influenced by their axial loads. Numerous methods have been developed to quantify axial load and deformation in individual columns based on their natural frequencies. However, these methods cannot be applied to columns in a structural framing system as the natural frequency is a global parameter of the entire framing system. This paper presents an innovative method to quantify axial deformations of columns in a structural framing system using its vibration characteristics, incorporating the influence of load tributary areas, boundary conditions and load migration among the columns.