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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.19 No.3
- 발행연도
- 2015.1
- 수록면
- 735 - 757 (23page)
이용수
초록· 키워드
오류제보하기
Composite bonding steel plate (CBSP) is a newly developed type of structure strengthened technique applicable to the existing RC beam. This composite structure is applicable to strengthening the existing beam bearing high load. The strengthened beam consists of two layers of epoxy bonding prestressed steel plates and the RC beam sandwiched in between. The bonding enclosed and prestressed U-shaped steel jackets are applied at the beam sides. This technique is adopted in case of structures with high longitudinal reinforcing bar ratio and impracticable unloading. The prestress can be generated on the strengthening steel plates and jackets by using the CBSP technique before loading. The test results of full-scale CBSP strengthened beams show that the strength and stiffness are enhanced without reduction of their ductility. It is demonstrated that the strain hysteresis effect can be effectively overcome after prestressing on the steel plates by using such technique. The applied plates and jackets can jointly behave together with the existing beam under the action of epoxy bonding and the mechanical anchorage of the steel jackets. The simplified formulas are proposed to calculate the prestress and the ultimate capacities of strengthened beams. The accuracy of formulas was verified with the experimental results.
목차
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참고문헌 (19)
참고문헌 신청
2008 / Building Code Requirements for Structural Concrete (ACI 318-08) and Commentary / ACI Committee 318, American Concrete Institute
Bouazaoui, L. / 2007 / Experimental study of bonded steel concrete composite structures‖ / J. Construct. Steel Res 63:1268~1278
Cai, J. / 2007 / Axial load behavior of rectangular CFT stub columns with binding bars‖ / Adv. Struct. Eng 10(5):551~565
1990 / CEB-FIP Model Code / Thomas Telford services, Ltd :437
European Committee for Standardization / 2004 / Eurocode 2: Design of concrete structures, Part 1: General rules and rules for buildings
Bouazaoui, L. / 2007 / Experimental study of bonded steel concrete composite structures‖ / J. Construct. Steel Res 63:1268~1278
Cai, J. / 2007 / Axial load behavior of rectangular CFT stub columns with binding bars‖ / Adv. Struct. Eng 10(5):551~565
1990 / CEB-FIP Model Code / Thomas Telford services, Ltd :437
European Committee for Standardization / 2004 / Eurocode 2: Design of concrete structures, Part 1: General rules and rules for buildings
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