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Response spectrum analysis of frame structures: reliability-based comparison between complete quadratic combination and damping-adjusted combination

2019

In the framework of seismic design of structures, response spectrum analysis (RSA) is the most commonly used approach in practice. The most popular combination rule is the complete quadratic combination (CQC) which is also prescribed by the most of seismic design codes and is based on the assumptions that the seismic acceleration is a white noise process and the peak factor ratios associated to the total and modal responses are unitary. Recently, the damping adjusted combination (DAC) rule has been developed for base-isolated structures to overcome the aforementioned simplified assumptions. Although it has been proved that the simplifications about peak factors lead to noticeable errors in …

Joint PDFComplete quadratic combination (CQC); Damping-adjusted combination (DAC); Joint PDF; Reliability assessment; Response spectrum analysis (RSA); Time history analysis (THA); Civil and Structural Engineering; Building and Construction; Geotechnical Engineering and Engineering Geology; Geophysics021110 strategic defence & security studiesResponse spectrum analysis (RSA)Reliability assessment0211 other engineering and technologiesTorsion (mechanics)02 engineering and technologyBuilding and ConstructionWhite noiseGeotechnical Engineering and Engineering GeologySeismic analysisGeophysicsQuadratic equationModalDamping-adjusted combination (DAC)Joint probability distributionLog-normal distributionTime history analysis (THA)Response spectrumAlgorithmComplete quadratic combination (CQC)Civil and Structural EngineeringMathematicsBulletin of Earthquake Engineering
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