지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.75 No.6
- 발행연도
- 2020.1
- 수록면
- 675 - 684 (10page)
이용수
초록· 키워드
오류제보하기
An innovative retrofit method using pre-stressed steel strips and externally-bonded steel plates was presented in this paper. With the aim of exploring the seismic performance of the retrofitted RC interior joints, four 1/2-scale retrofitted joint specimens together with one control specimen were designed and subjected to constant axial compression and cyclic loading, with the main test parameters being the volume of steel strips and the existence of externally-bonded steel plates. The damage mechanism, force-displacement hysteretic response, force-displacement envelop curve, energy dissipation and displacement ductility ratio were analyzed to investigate the cyclic behavior of the retrofitted joints. The test results indicated that all the test specimens suffered a typical shear failure at the joint core, and the application of externally-bonded steel plates and that of pre-stressed steel strips could effectively increase the lateral capacity and deformability of the deficient RC interior joints, respectively. The best cyclic behavior could be found in the deficient RC interior joint retrofitted using both externally-bonded steel plates and pre-stressed steel strips due to the increased lateral capacity, displacement ductility and energy dissipation. Finally, based on the test results and the softened strut and tie model, a theoretical model for determining the shear capacity of the retrofitted specimens was proposed and validated.
목차
등록된 정보가 없습니다.
참고문헌 (23)
참고문헌 신청
Adibi, M. / 2017 / Seismic retrofit of external concrete beam-column joints reinforced by plain bars using steel angles prestressed by cross ties / Eng. Struct 148:813~828
Ahmad, N. / 2019 / Seismic performance assessment of non-compliant SMRF reinforced concrete frame : shake-table test study / J. Earthq. Eng 23(3):444~462
Ahmad, N. / 2019 / Haunch retrofitting technique for seismic upgrading deficient RC frames / Bullet. Earthq. Eng 17(7):3895~3932
Ahmad, N. / 2020 / Eccentric steel brace retrofit for seismic upgrading of deficient reinforced concrete frames / Bullet. Earthq. Eng. 18(6):2807~2841
Junaid Akbar / 2018 / Seismic performance of RC frames retrofitted with haunch technique / Structural Engineering and Mechanics, An Int＇l Journal 67(1):1~8
Ahmad, N. / 2019 / Seismic performance assessment of non-compliant SMRF reinforced concrete frame : shake-table test study / J. Earthq. Eng 23(3):444~462
Ahmad, N. / 2019 / Haunch retrofitting technique for seismic upgrading deficient RC frames / Bullet. Earthq. Eng 17(7):3895~3932
Ahmad, N. / 2020 / Eccentric steel brace retrofit for seismic upgrading of deficient reinforced concrete frames / Bullet. Earthq. Eng. 18(6):2807~2841
Junaid Akbar / 2018 / Seismic performance of RC frames retrofitted with haunch technique / Structural Engineering and Mechanics, An Int＇l Journal 67(1):1~8
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