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The traditional code procedures are typically based on experience. As such they may not work well in the case of exceptional loadings and innovative structural systems. Moreover, the investors and society may choose higher level of performance than embedded in traditional codes. The alternative is offered by the Performance Based Engineering (PBE), which is defined as the integrated effort to produce the engineered facilities for multiple performance objectives. The possibilities of having different target performance levels increase the competition between producers and products. The decision about the acceptable performance is inherently linked to the problem of risk and reliability, even more so in the case of exceptional loading. General overview of the required performance levels as well as methods of risk and reliability evaluation is therefore addressed first. The second - major part of the paper presents more specific application of the PBE in earthquake engineering (Performance Based Seismic Engineering. PBSE), where a major breakthrough of new performance based oriented methodologies has been observed after some catastrophic events in the recent past. Two specific procedures. The Cornells approach and the probabilistic methodology for seismic evaluation of existing buildings implemented in HAZUS are explicitly addressed. The Cornells approach is illustrated by the case study of RC frames with masonry infills. The Monte-Carlo simulation is used to calibrate the fragility function parameters given in HAZUS.

Additional information

Authors: FISCHINGER M, University of Ljubljana (SI);FAJFAR P, University of Ljubljana (SI);DOLSEK M, University of Ljubljana (SI);VACAREANU R, Technical University of Civil Engineering, Bucharest (RO);CORNEA T, Technical University of Civil Engineering, Bucharest (RO);LUNGU D, Technical University of Civil Engineering, Bucharest (RO);ZAMFIRESCU D, Technical University of Civil Engineering, Bucharest (RO);STRATAN A, "Politechnica" University of Timisoara (RO);LEINO T, VTT Building Technology, Helsinki (FI);WOLINSKI S, Rzeszow University of Technology, Rzeszow (PL);ALARCON E, Polytechnic University of Madrid (ES)
Bibliographic Reference: A paper published in "Improvement of buildings' structural quality by new technologies": Proceedings of the international seminar, Lisbon, 19 and 20 April 2002. EUR 20728. pp.113-126. Euro: 35
Availability: EUR-OP reference: KI-NA-20728-EN-C Available from EUR-OP sales agents URL: Most papers are also available on COST C12 website at:
ISBN: ISBN: 92-894-5684-1
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