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Author:Ivana Mekjavić , Maosen Cao
Data Source:[J].Shock and Vibration(IF 0.535), 2015, Vol.2015Hindawi
Abstract:The present research aims to develop an effective and applicable structural damage detection method. A damage identification approach using only the changes of measured natural frequencies is presented. The structural damage model is assumed to be associated with a reduction of a...
Author:Ivana Mekjavić , Domagoj Damjanović
Data Source:[J].International Journal of Structural Stability and Dynamics(IF 0.675), 2017, Vol.17 (02), pp.20World Scientific Publishing
Abstract:This paper presents an identification technique for damage assessment of structures where only the information about the changes of measured natural frequencies can be directly utilized. The structural damage is characterized by a local decrease in the stiffness as represent...
Author:Ivana Mekjavić
Data Source:[J].Technical Gazette, 2013, Vol.20 (1)Hrcak
Abstract:This paper outlines the research aimed at developing an effective and reliable monitoring method for structural damage identification. A computational procedure for a direct iteration technique based on the non-linear perturbation theory is proposed to identify structural damage,...
Author:Ivana Mekjavić , Srečko Pičulin
Data Source:[J].Technical Gazette(IF 0.601), 2010, Vol.17 (4)Hrcak
Abstract:An understanding of successful shells of the past combined with modern structural analysis methods can aid engineers in designing efficient thin shell concrete structures. This paper presents structural analyses and the optimization study of several notable concrete shells around...
Author:Ivana Mekjavić
Data Source:[J].Technical Gazette(IF 0.601), 2011, Vol.18 (4)Hrcak
Abstract:This paper presents a buckling analysis for several notable concrete thin shells around the world. An approach which takes into account the large deflection and plasticity effects was performed using Sofistik software to estimate the buckling load. A geometrically non-linear anal...
Author:... Jure Radić , Ivana Mekjavić , Božidar Pavlović
Data Source:[J].Građevinar(IF 0.105), 2001, Vol.53 (02)Hrcak
Abstract:Authors present bearing capacity and usability of existing bridges of up to 50 m in span, and analyze their behavior under traffic load. Experimental and theoretical values of analyzed bridges of different cross sections and support systems, are compared. Advantages are analyzed ...
Author:Srećko Pičulin , Ivana Mekjavić
Data Source:[J].Građevinar(IF 0.105), 2010, Vol.62 (12)Hrcak
Abstract:A brief historic overview of realized thin concrete shells, cylindrical walls, and domes, is given. The theory of thin shells as applied in the analysis of interaction between the dome, ring and wall, is presented in order to compare such results with those obtained through analy...
Author:Jure Radić , Ivana Mekjavić
Data Source:[J].Građevinar(IF 0.105), 2005, Vol.57 (01)Hrcak
Abstract:A numerical procedure, based on the non-linear perturbation theory, is described. Eigenfrequencies are used in the procedure, and the damaged-structure eigenvectors do not need to be known. The efficiency of the numerical procedure in determining the level of damage is demonstrat...

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