Citas bibligráficas
Niño, R., Rodríguez, C. (2019). Incidencia del agrietamiento de los elementos estructurales en el diseño estructural del edificio multifamiliar residencial san Andrés [Tesis, Universidad Privada Antenor Orrego - UPAO]. https://hdl.handle.net/20.500.12759/4899
Niño, R., Rodríguez, C. Incidencia del agrietamiento de los elementos estructurales en el diseño estructural del edificio multifamiliar residencial san Andrés [Tesis]. : Universidad Privada Antenor Orrego - UPAO; 2019. https://hdl.handle.net/20.500.12759/4899
@misc{renati/372181,
title = "Incidencia del agrietamiento de los elementos estructurales en el diseño estructural del edificio multifamiliar residencial san Andrés",
author = "Rodríguez León, Christian Paúl",
publisher = "Universidad Privada Antenor Orrego - UPAO",
year = "2019"
}
In the present work, the incidence of cracking of reinforced concrete elements in the structural design of a twelve-story multifamily building was demonstrated. The first proposal was to perform a linear elastic analysis considering the gross inertia of the sections. For which the standards E.020 and E.030 were used. Verifying the displacements in both X and Y. Then the reinforced concrete elements were designed as beams, columns, walls, etc. It is known that during the seismic action there is a degradation of rigidity and resistance causing the raw sections of the reinforced concrete elements to become cracked sections, therefore, the second proposal was to perform a linear elastic analysis considering said inertia of the sections. The inertial reduction factors proposed by the E.060 standard were used, producing a redistribution of moments for the different elements of reinforced concrete. It is thus obtained to obtain elements with greater capacity of deformation and that have a much more ductile response to earthquakes. Likewise, a comparison of axial, shear and moments between both linear analyzes was carried out. Faced with seismic loads both the elements and the structure itself begins to venture into inelastic ranges, for which conventional analyzes are no longer a reliable source of response for which non-linear must be used, including the push-over. The building is subjected to an incremental monotonic charge in order to obtain the performance point in which the structure fails, as well as the new load combinations for the different loadings. It was thus obtained that the forces in the design with cracked inertia are reduced to 17% in the case of beams and 8% in columns and walls. For the non-linear pushover analysis, these forces were verified obtaining a discrepancy of 50-80% in the case of gross inertia and 10-50% for cracked inertia. Finally it is proposed to use cracked sections in buildings of reinforced concrete in order to obtain much more ductile elements.
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