نوع مقاله : پژوهشی
نویسندگان
دانشکدهی فنی مهندسی، دانشگاه اراک
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
The assessment of structural seismic response is often done by selecting ground motion records that conform to the seismic hazard conditions of the objective site, and which can be obtained based on probabilistic seismic hazard analysis (PSHA). A common recordselection practice suggests selecting seven records that are compatible with the dominant earthquake scenario in a given site. The selected records are then scaled (if necessary) to match the design level of the uniform hazard spectrum (UHS). Many research results have shown that using the UHS leads to a significant bias in structural response assessment. The conditional mean spectrum (CMS) has been recently proposed as an alternative to the uniform hazard spectrum (UHS) for employment as a target spectrum in ground motion record selection. The CMS provides the expected response spectrum، conditional to the occurrence of a target spectral acceleration value in the period of interest. The correlation of