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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.79 No.4
- 발행연도
- 2021.8
- 수록면
- 507 - 516 (10page)
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초록· 키워드
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Post-tensioning in flat plate slabs provides the advantage of deflection and crack control under service loads, and can reduce slab thickness. However, due to the reduced slab thickness, post-tensioned flat plate slabs may be susceptible to punching shear failure under ultimate load. This study performed experimental research of the punching shear resistance of posttensioned flat plate slabs with unbonded tendons. A total of four 3,100 mm square specimens of 150 mm thick slab were fabricated with the variables of average compressive stress in concrete, tendon layout, and aspect ratio of the column stub. Based on the test results, the load-deflection relationship, patterns of cracks, strains of flexural reinforcement, and force increments in tendons were compared. In addition, the equations for punching shear strength of unbonded post-tensioned flat plate slabs specified in the design codes (ACI 318, Eurocode 2, Model Code) were evaluated in detail.
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참고문헌 (25)
참고문헌 신청
Raquib Ahsan / 2017 / Numerical study on effect of integrity reinforcement on punching shear of flat plate / Computers and Concrete, An International Journal 20(6):731~738
Antonio, M. / 2016 / Shear design and assessment of reinforced and prestressed concrete beams based on a mechanical model / ASCE J. Struct. Eng 142(10):1~14
Barbán, V. V. / 2020 / Punching shear test of post-tensioned flat slabs supported on edge columns / Struct. Concrete 21(1):247~261
Carvalho, A. L. / 2011 / Punching shear in post-tensioned flat slabs with stud rail shear reinforcement / ACI Struct. J 108(5):523~531
Chakrabarti, P. R. / 1987 / Ultimate strength of corner panels of post-tensioned flat plates / ACI Struct. J 84(1):54~60
Antonio, M. / 2016 / Shear design and assessment of reinforced and prestressed concrete beams based on a mechanical model / ASCE J. Struct. Eng 142(10):1~14
Barbán, V. V. / 2020 / Punching shear test of post-tensioned flat slabs supported on edge columns / Struct. Concrete 21(1):247~261
Carvalho, A. L. / 2011 / Punching shear in post-tensioned flat slabs with stud rail shear reinforcement / ACI Struct. J 108(5):523~531
Chakrabarti, P. R. / 1987 / Ultimate strength of corner panels of post-tensioned flat plates / ACI Struct. J 84(1):54~60
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