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Título : Evaluation of the seismic performance of special moment frames using incremental nonlinear dynamic analysis
Autor : Khorami, Majid
Khorami, Masoud
Motahar, Hedayatollah
Alvansazyazdi, Mohammadfarid
Shariati, Mahdi
Jalali, Abdolrahim
Tahir, M.M.
Palabras clave : ANÁLISIS DINÁMICO NO LINEAL INCREMENTAL
FIABILIDAD DE LAS ESTRUCTURAS
CURVAS DE FRAGILIDAD
DEMANDA SÍSMICA Y CAPACIDAD
NIVEL DE DESEMPEÑO
NIVEL DE CONFIANZA
Fecha de publicación : feb-2017
Editorial : [s.l.]: [s.n]
Citación : Khorami, Majid y otros (febrero 2017). Evaluation of the seismic performance of special moment frames using incremental nonlinear dynamic analysis. Structural Engineering and Mechanics, 63(2), pp. 259-268.
Resumen : In this paper, the incremental nonlinear dynamic analysis is used to evaluate the seismic performance of steel moment frame structures. To this purpose, three special moment frame structure with 5, 10 and 15 stories are designed according to the Iran’s national building code for steel structures and the provisions for design of earthquake resistant buildings (2800 code). Incremental Nonlinear Analysis (IDA) is performed for 15 different ground motions, and responses of the structures are evaluated. For the immediate occupancy and the collapse prevention performance levels, the probability that seismic demand exceeds the seismic capacity of the structures is computed based on FEMA350. Also, fragility curves are plotted for three highcode damage levels using HASUS provisions. Based on the obtained results, it is evident that increase in the height of the frame structures reduces the reliability level. In addition, it is concluded that for the design earthquake the probability of exceeding average collapse prevention level is considerably larger than high and full collapse prevention levels.9.
URI : http://www.dspace.uce.edu.ec/handle/25000/13039
ISSN : 1225-4568
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