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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.1
- 수록면
- 605 - 618 (14page)
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초록· 키워드
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The effects of variability of the mechanical properties of lead rubber bearings on the response of a seismic isolationsystem are investigated. Material variability in manufacturing, aging, and operation temperature is assumed, and twovariation models of an isolation system are considered. To evaluate the effect of ground motion characteristics on theresponse, 27 earthquake record sets with different peak A/V ratios were selected, and three components of groundmotions were used for a seismic response analysis. The response in an isolation system and a superstructure increasessignificantly for ground motions with low A/V ratios. The variation in the mechanical properties of isolators results in asignificant influence on the shear strains of the isolators and the acceleration response of the superstructure. The variationprovisions in the ASCE-4 are reasonable, but more strict variation limits should be given to isolation systems subjected toground motions having low A/V ratios. For application of seismic isolation systems to safety-related nuclear structures,the variation in the material and mechanical properties of the isolation system should be properly controlled during themanufacturing and aging processes. In addition, special consideration should be given to minimize the accidental torsioncaused by the dissimilarity in the stiffness variations of the isolators.
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참고문헌 (25)
참고문헌 신청
[기타자
/ 2010 / Elastomeric Seismic-Protection Isolators. Part 3: Applications for Buildings ? Specifications, International Standard / ISO 22762-3
A. Shirazi / 2010 / Thermal Degradation of the Performance of Elastomeric Bearings for Seismic Isolation / 박사 / University of California
A. Tena-Colunga / 2006 / Dynamic Torsional Amplifications of Base-Isolated Structures with an Eccentric Isolation System / Engineering and Structures 28 : 72 ~ 83
AASHTO / 1999 / Guide specifications for seismic isolation design / American Association of State Highway and Transportation Officials
/ 2010 / Elastomeric Seismic-Protection Isolators. Part 3: Applications for Buildings ? Specifications, International Standard / ISO 22762-3
A. Shirazi / 2010 / Thermal Degradation of the Performance of Elastomeric Bearings for Seismic Isolation / 박사 / University of California
A. Tena-Colunga / 2006 / Dynamic Torsional Amplifications of Base-Isolated Structures with an Eccentric Isolation System / Engineering and Structures 28 : 72 ~ 83
AASHTO / 1999 / Guide specifications for seismic isolation design / American Association of State Highway and Transportation Officials
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