In the framework of performance-based assessment of existing RC buildings, an important step is the definition of an intensity measure (IM) of the seismic action that be accurate and efficient in correlating with the engineering demand parameters (EDP) of interest and in reducing the variability in their prediction. Objective of this work is to assess five different IMs, when they are applied to an in-plan irregular three-dimensional building subjected to bi-directional earthquake motion. The objective is pursued through multiple regression of the results obtained from nonlinear dynamic analyses. The study shows that certain IMs are more suitable to evaluate EDPs when dealing with 3D structures subjected to 2D earthquakes.
Intensity measures for response prediction of a torsional building subjected to bi-directional earthquake ground motion / Lucchini, Andrea; Mollaioli, Fabrizio; Monti, Giorgio. - In: BULLETIN OF EARTHQUAKE ENGINEERING. - ISSN 1570-761X. - STAMPA. - 9:5(2011), pp. 1499-1518. [10.1007/s10518-011-9258-2]
Intensity measures for response prediction of a torsional building subjected to bi-directional earthquake ground motion
LUCCHINI, Andrea;MOLLAIOLI, Fabrizio;MONTI, Giorgio
2011
Abstract
In the framework of performance-based assessment of existing RC buildings, an important step is the definition of an intensity measure (IM) of the seismic action that be accurate and efficient in correlating with the engineering demand parameters (EDP) of interest and in reducing the variability in their prediction. Objective of this work is to assess five different IMs, when they are applied to an in-plan irregular three-dimensional building subjected to bi-directional earthquake motion. The objective is pursued through multiple regression of the results obtained from nonlinear dynamic analyses. The study shows that certain IMs are more suitable to evaluate EDPs when dealing with 3D structures subjected to 2D earthquakes.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.