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| Avtorstvo: |
Peter FAJFAR // 1.01 Izvirni znanstveni članek
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| Leto: |
2000 |
| Citat: |
FAJFAR, Peter. A nonlinear analysis method for
performance-based seismic design. Earthq. spectra, 2000, vol. 16, n. 3,
str. 573-592, graf. prikazi. |
| Povzetek: |
A relatively simple nonlinear method for
the seismic analysis of structures (the N2 method) is presented. It combines the
pushover analysis of a multi-degree-of-freedom (MDOF) model with the response
spectrum analysis of anequivalent single-degree-of-freedom (SDOF) system. The
method is formulated in the acceleration-displacement format, which enables the
visual interpretation of the procedure and of the relations between the basic
quantities controlling the seismic response. Inelastic spectra, rather than
elastic spectra with equivalent damping and period, are applied. This feature
represents the major difference with respect to the capacity spectrum method.
Moreover, demand quantities can be obtained without iteration. Generally, the
results of the N2 method are reasonably accurate, provided that the structure
oscillates predominatly in the first mode. Some additional limitations apply. In
the paper, the method is described and discussed, and it basic derivations are
given. The similarities and differences between the proposed method and the FEMA
273 and ATC 40 nonlinear static analysis procedures are discussed. Application
of the method is illustrated by means of an example [COBISS.SI-ID 1085537]
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| Tipologija: |
1.01 Izvirni znanstveni članek |
| COBISS ID |
1085537 Polni zapis iz sistema COBISS |
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Vpisal 2009/06/10 11:56
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