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I. Failla¹, N. Impollonia² and G. Ricciardi¹

¹DICIEAMA, University of Messina, Italy
²DICAR, University of Catania, Siracusa, Italy

doi:10.4203/ccp.108.93

I. Failla, N. Impollonia, G. Ricciardi, "Identification of Semi-Rigid Connections from Stationary Statistical Moments", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 93, 2015. doi:10.4203/ccp.108.93

Keywords: parametric solution, structural identification, uncertain connection stiffness.

Summary

This paper presents a procedure for the identification of semi-rigid end connections of beam/column elements in frame structures. The technique relies on an explicit relationship between second order moments of the nodal stationary response under white noise and element end flexibilities. Such a relationship, albeit approximate, is very accurate when the element stiffness matrix is properly disassembled and can be successfully employed inside the objective function to be minimized so as to estimate the unknown parameters.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 108 PROCEEDINGS OF THE FIFTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: J. Kruis, Y. Tsompanakis and B.H.V. Topping Paper 93 Identification of Semi-Rigid Connections from Stationary Statistical Moments I. Failla¹, N. Impollonia² and G. Ricciardi¹ ¹DICIEAMA, University of Messina, Italy ²DICAR, University of Catania, Siracusa, Italy doi:10.4203/ccp.108.93 purchase the full-text of this paper Full Bibliographic Reference for this paper I. Failla, N. Impollonia, G. Ricciardi, "Identification of Semi-Rigid Connections from Stationary Statistical Moments", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 93, 2015. doi:10.4203/ccp.108.93 Keywords: parametric solution, structural identification, uncertain connection stiffness. Summary This paper presents a procedure for the identification of semi-rigid end connections of beam/column elements in frame structures. The technique relies on an explicit relationship between second order moments of the nodal stationary response under white noise and element end flexibilities. Such a relationship, albeit approximate, is very accurate when the element stiffness matrix is properly disassembled and can be successfully employed inside the objective function to be minimized so as to estimate the unknown parameters. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £75 +P&P)
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