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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.15 No.2
- 발행연도
- 2021.3
- 수록면
- 169 - 182 (14page)
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초록· 키워드
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This study analytically investigated the behavior of reinforced concrete frames with masonry infills. For the analysis, VecTor2, a nonlinear finite element analysis program that implements the Modified Compression Field Theory and Disturbed Stress Field Model, was used. To account for the slip behavior at the mortar joints in the masonry element, the hyperbolic Mohr-Coulomb yield criterion, defined as a function of cohesion and friction angle, was used. The analysis results showed that the lateral resistance and failure mode of the infilled frames were significantly affected by the thickness of the masonry infill, cohesion on the mortar joint-brick interface, and poor mortar filling (or gap) on the masonry boundary under the beam. Diagonal strut actions developed along two or three load paths on the mortar infill, including the backstay actions near the tension column and push-down actions near the compression columns. Such backstay and push-down actions increased the axial and shear forces of columns, and ultimately affect the strength, ductility, and failure mode of the infilled frames.
목차
Abstract
1. Introduction
2. Finite Element Modeling for Masonry
3. Slip Model for Mortar Joint
4. Model Validation for Masonry-Infilled Frames
5. Substandard Masonry-Infilled Frames: IFS0.5 and IFS1.0
6. Effects of Backstay and Push-Down Actions on Column Shear Failure
7. Conclusions
References
참고문헌 (27)
참고문헌 신청
ACI Committee / 2014 / Building Code Requirements for Structural Concrete, ACI 318–14 / American Concrete Institute
Applied Technology Council / 1998 / Evaluation of Earthquake Damaged Concrete and Masonry Wall Buildings – Basic Procedures Manual
Al-Chaar, G. / 2002 / Evaluating Strength and Stifness of Unreinforced Masonry Infll Structures
American Society of Civil Engineers / 2017 / Seismic Rehabilitation of Existing Buildings, ASCE/SEI 41–17 / American Society of Civil Engineers
American Society of Civil Engineers / 2000 / Prestandard and Commentary for the Seismic Rehabilitation of Buildings :6
Applied Technology Council / 1998 / Evaluation of Earthquake Damaged Concrete and Masonry Wall Buildings – Basic Procedures Manual
Al-Chaar, G. / 2002 / Evaluating Strength and Stifness of Unreinforced Masonry Infll Structures
American Society of Civil Engineers / 2017 / Seismic Rehabilitation of Existing Buildings, ASCE/SEI 41–17 / American Society of Civil Engineers
American Society of Civil Engineers / 2000 / Prestandard and Commentary for the Seismic Rehabilitation of Buildings :6
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