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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.22 No.3
- 발행연도
- 2018.1
- 수록면
- 305 - 317 (13page)
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초록· 키워드
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Steel reinforced Engineered Cementitious Composite (ECC) components have been proposed for seismic structural applications, for example in coupling beams, infill panels, joints, columns, and flexural members. The development of strain in the steel reinforcement of cementitious components has been shown to vary based on both the steel reinforcement ratio and the applied deformation history. Strain in the steel reinforcement of reinforced ECC components is an important structural response metric because ultimate failure is often by fracture of the steel reinforcement. A recently proposed bond-slip model has been successfully calibrated to cyclically tested reinforced ECC beams wherein the deformation history contained monotonically increasing cycles. This paper reports simulations of two-dimensional finite element models of reinforced ECC beams to determine the appropriateness and significance of altering a phenomenological bond-slip model based on the applied deformation history. The numerical simulations with various values of post-peak bond-slip softening stiffness are compared to experimental results. Varying the post-peak bond-slip softening stiffness had little effect on the cracking patterns and hysteretic response of the reinforced ECC flexural models tested, which consisted of two different steel reinforcement ratios subjected to two different deformation histories. Varying the post-peak bond-slip softening stiffness did, however, affect the magnitude of strain and the length of reinforcing bar that strain-hardened. Overall, a numerical model with a constant bond-slip model represented well various responses in reinforced ECC beams with multiple steel reinforcement ratios subjected to different deformation histories.
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참고문헌 (23)
참고문헌 신청
Bandelt, M.J. / 2015 / Behavior, modeling, and impact of bond in steel reinforced high-performance fiber-reinforced cementbased composites
Bandelt, M.J. / 2016 / Bond behavior of steel reinforcement in high-performance fiber-reinforced cementitious composite flexural members / Mater. Struct. 49(1):71~86
Bandelt, M.J. / 2016 / Impact of reinforcement ratio and loading type on the deformation capacity of high-performance fiber-reinforced cementitious composites reinforced with mild steel / J. Struct. Eng. :04016084
Bandelt, M.J. / 2017 / Bond behavior and interface modeling of high-performance fiber-reinforced cementitious composites / Cement Concrete Compos. 83:188~201
Cunha, V.M.C.F. / 2012 / A finite element model with discrete embedded elements for fibre reinforced composites / Comput. Struct. 94-95:22~33
Bandelt, M.J. / 2016 / Bond behavior of steel reinforcement in high-performance fiber-reinforced cementitious composite flexural members / Mater. Struct. 49(1):71~86
Bandelt, M.J. / 2016 / Impact of reinforcement ratio and loading type on the deformation capacity of high-performance fiber-reinforced cementitious composites reinforced with mild steel / J. Struct. Eng. :04016084
Bandelt, M.J. / 2017 / Bond behavior and interface modeling of high-performance fiber-reinforced cementitious composites / Cement Concrete Compos. 83:188~201
Cunha, V.M.C.F. / 2012 / A finite element model with discrete embedded elements for fibre reinforced composites / Comput. Struct. 94-95:22~33
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