La política fiscal para el afianzamiento de las democracias en América Latina: reflexiones a partir de una serie de estudios de caso

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Volatilidad macroeconómica y respuestas de políticas

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Crisis y políticas públicas en América Latina y el Caribe

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Crisis and public policies in Latin America and the Caribbean

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La política fiscal para el afianzamiento de las democracias en América Latina

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Volatilidad macroeconómica, espacio fiscal y gobernanza

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Resumen de exposición en el seminario sobre regulación de servicios de infraestructura: agua y electricidad

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Sumary of the presentation at the seminar on the regulation of public services: water and elctricity

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América Latina y China e India: hacia una nueva alianza de comercio e inversión

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Crisis internacional y oportunidades para la cooperación regional

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La medición de la pobreza en dimensiones distintas al ingreso

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Dependência estrutural da capacidade de rotação plástic em vigas de concreto armado

Summary In this work the structural dependence of plastic rotation capacity in RC beams is evaluated using the Finite Element Method. The objective is to achieve a better understanding of the non-linear behavior of reinforced concrete members and perform extensive parameter studies, using a rational model developed by Bigaj [1] to analyze the phenomenon of plastic rotation capacity in reinforced concrete members. It is assumed that only bending failure is relevant due to sufficient member resistance against shear and torsion. The paper begins with the physical and theoretical background of the phenomenon of plastic hinge development in RC structures. Special emphasis is laid on the issue of structural dependence of deformation capacity of plastic hinges in RC members. Member size dependence and influence of properties of construction materials were emphasized as well. The essential components of the Bigajs model for calculating the plastic rotation capacity are discussed. The behaviour of the plastic hinge is analysed taking into account the strain localisation in the damage zones of the hinge region. The Fictitious Crack Model (FCM) and the Compressive Damage Zone Model (CDZ) are adopted in a Fracture Mechanics approach to model the behaviour of concrete in tension and compression, respectively. The approach is implemented in FEMOOP, a FEM in-house solver under development, and applied to evaluate ductility in 2D beams. The models were generated with GiD, a pre-processor and post-processor developed by CIMNE, and analyzed with the capabilities implemented in FEMOOP. © Universitat Politècnica de Catalunya, Barcelona, España 2010.

Eficiencia y equidad en el sistema de salud chileno

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El ingreso nacional bruto disponible en América Latina: una perspectiva de largo plazo

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Educación secundaria y oportunidades de empleo e ingreso en Chile

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