925 resultados para Buildings


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Int. J. for Restoration of Buildings and Monuments, vol.11, nº 2 (2005), p.111-118

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Restoration of Buildings and Monuments, vol. 13, nº 6 (2007), p.389-400

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Restoration of Buildings and Monuments, vol.11, nº 2 (2005), p.105-110

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The paper presented herein proposes a reliability-based framework for quantifying the structural robustness considering the occurrence of a major earthquake (mainshock) and subsequent cascading hazard events, such as aftershocks that are triggered by the mainshock. These events can significantly increase the probability of failure of buildings, especially for structures that are damaged during the mainshock. The application of the proposed framework is exemplified through three numerical case studies. The case studies correspond to three SAC steel moment frame buildings of 3-, 9-, and 20- stories, which were designed to pre-Northridge codes and standards. Twodimensional nonlinear finite element models of the buildings are developed using the Open System for Earthquake Engineering Simulation framework (OpenSees), using a finite-length plastic hinge beam model and a bilinear constitutive law with deterioration, and are subjected to multiple mainshock-aftershock seismic sequences. For the three buildings analyzed herein, it is shown that the structural reliability under a single seismic event can be significantly different from that under a sequence of seismic events. The reliability-based robustness indicator used shows that the structural robustness is influenced by the extent by which a structure can distribute damage.

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Dissertação para obtenção do Grau de Mestre em Engenharia Informática

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Durability of Building Materials and Components (Vasco Peixoto de de Freitas, J.M.P.Q. Delgado, eds.), Building Pathology and Rehabilitation, vol. 3, VIII, 105-126. ISBN: 978-3-642-37474-6 (Print) 978-3-642-37475-3 (Online). Springer-Verlag Berlin Heidelberg. DOI: 10.1007/978-3-642-37475-3_5

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3rd Historic Mortars Conference, 11-14 September 2013, Glasgow, Scotland

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3rd Historic Mortars Conference, 11-14 September 2013, Glasgow, Scotland

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3rd Historic Mortars Conference, 11-14 September 2013, Glasgow, Scotland

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Construction and Building Materials 49 (2013), 315-327