Protección sísmica de un puente continuo con aisladores sísmicos

• Autor: Ordoñez Lima, Ruben Dario
• Formato: tesis de maestría
• Fecha de Publicación: 2024
• Institución: Pontificia Universidad Católica del Perú
• Repositorio: PUCP-Tesis
• Lenguaje: español
• OAI Identifier: oai:tesis.pucp.edu.pe:20.500.12404/30094
• Enlace del recurso: http://hdl.handle.net/20.500.12404/30094
• Nivel de acceso: acceso abierto
• Materia: Edificios--Diseño y construcción; Construcciones antisísmicas; Diseño de estructuras; Ingeniería antisísmica; https://purl.org/pe-repo/ocde/ford#2.01.01

In Peru, the seismic design of bridges is based on the force method, which utilizes ductility concepts to withstand severe earthquakes. However, this approach does not guarantee the operability of the bridge, as the potential level of damage remains uncertain. For this reason, it is essential for bridges to be equipped with seismic protection devices; among the most widely used worldwide are seismic isolators, which ensure the bridge's functionality during severe seismic events. Therefore, the objective of this thesis is to describe the appropriate procedure for designing the seismic protection of a continuous bridge with seismic isolators, as well as its structural design. This thesis is developed around several key concepts: the characterization of the structural behavior of seismic isolators, the selection and structural configuration of the bridge, the structural analysis of the bridge in relation to its isolation system, the analysis of maximum displacement, and the generation of the isolator's bilinear curve based on the dynamic properties of the bridge. Additionally, it includes the design and generation of the isolator's bilinear curve according to its mechanical properties, along with the structural design of the bridge. This entire process was guided by AASHTO standards. One way to verify the seismic protection design procedure of a bridge is through the bilinear curves for analysis and design of the isolator, which are similar in this thesis. This validates that the maximum displacement calculation of the isolator was correct. Furthermore, the structural design of the bridge meets the strength and deformation criteria, which is verified through the demand-to-capacity ratio, which is less than one.