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Computer based estimation of backbone curves for hysteretic Response of reinforced concrete columns under static cyclic lateral loads
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  • Computer based estimation of backbone curves for hysteretic Response of reinforced concrete columns under static cyclic lateral loads
  • Computer based estimation of backbone curves for hysteretic Response of reinforced concrete columns under static cyclic lateral loads
저자명
Rizwan. M.,Chaudhary. M.T.A.,Ilyas. M.,Hussain. Raja Rizwan,Stacey. T.R.
간행물명
Computers & concrete
권/호정보
2014년|14권 2호|pp.193-209 (17 pages)
발행정보
테크노프레스
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Cyclic test of the columns is of practical relevance to the performance of compression members during an earthquake loading. The strength, ductility and energy absorption capabilities of reinforced concrete (RC) columns subjected to cyclic loading have been estimated by many researchers. These characteristics are not normally inherent in plain concrete but can be achieved by effectively confining columns through transverse reinforcement. An extensive experimental program, in which performance of four RC columns detailed according to provisions of ACI-318-08 was studied in contrast with that of four columns confined by a new proposed technique. This paper presents performance of columns reinforced by standard detailing and cast with 25 and 32 MPa concrete. The experimentally achieved load-displacement hysteresis and backbone curves of two columns are presented. The two approaches which work in conjunction with Response 2000 have been suggested to draw analytical back bone curves of RC columns. The experimental and analytical backbone curves are found in good agreement. This investigation gives a detail insight of the response of RC columns subjected to cyclic loads during their service life. The suggested analytical procedures will be available to the engineers involved in design to appraise the capacity of RC columns.