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Título del libro: Life-Cycle Civil Engineering - Proceedings Of The 1st International Symposium On Life-Cycle Civil Engineering, Ialcce '08
Título del capítulo: Life cycle optimization in earthquake engineering

Autores UNAM:
LUIS ESTEVA MARABOTO;
Autores externos:

Idioma:

Año de publicación:
2008
Palabras clave:

Damage detection; Reliability; Repair; Seismic design; Seismology; Structural analysis; Damage accumulation; Lateral deformation; Optimization criteria; Performance based seismic design; Performance functions; Repair and maintenance; Seismic excitations; Seismic vulnerability functions; Life cycle


Resumen:

An overview is presented of life-cycle optimization in the establishment of reliability- and performance-based seismic design requirements for multistory systems. Alternative approaches are presented for the development of seismic vulnerability functions that do not require the determination of lateral deformation capacities. The influence of damage accumulation on the evolution of the seismic reliability functions is discussed, and some results are presented about the sensitivity of the seismic reliability and performance functions to the contribution of energy-dissipating devices to the lateral strength and stiffness of multistory frames. The process of structural damage accumulation resulting from the action of sequences of seismic excitations is taken into account in the assessment of life-cycle system reliability and performance, and in the formulation of reliability and optimization criteria and methods for the establishment of structural design requirements and for the adoption of repair and maintenance strategies. Problems related to the transformation of research results into practically applicable seismic design criteria are briefly discussed. Several illustrative examples are presented. © 2008 Taylor & Francis Group, London.


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