A comparison of engineered cementitious composites versus normal concrete in beam-column joints under reversed cyclic loading

Yuan, Fang; Pan, Jinlong; Xu, Zhun; Leung, Christopher Kin Ying

doi:10.1617/s11527-012-9890-6

Cited by 116 publications

(36 citation statements)

References 8 publications

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“…This ensures an adequate shear resistance for beam–column joints and that the energy is dissipated mainly through the plastic rotation of beam ends adjacent to columns and the elastic deformation of columns. At the same time, congestion of longitudinal rebar and intensive transverse stirrups is usually encountered at key seismic positions, especially at the beam–column joints . This may result in construction defects such as inadequate stirrup detailing and uncompacted concrete, which degrades seismic performance to a certain extent.…”

Section: Introductionmentioning

confidence: 99%

Seismic behavior of reinforced engineered cementitious composite members and reinforced concrete/engineered cementitious composite members: A review

Hou

Chen

et al. 2019

Structural Concrete

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Seismic performance is of paramount importance for structures in regions with high seismic risk. Engineered cementitious composite (ECC) exhibits tensile strain hardening behavior and excellent crack dispersion capacity, as well as good workability. The application of ECC material may be a feasible way to improve the seismic behavior of engineering structures. This paper presents a comprehensive review of experimental and simulation studies concerning seismic behavior of reinforced ECC members and reinforced concrete/ECC composite members. The review is mainly focused on design programs for structural members and their seismic response behavior. The effectiveness of the application of ECC for seismic improvement is discussed. Several design recommendations are provided, based on comparison of the related studies.

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Section: Introductionmentioning

confidence: 99%

Seismic behavior of reinforced engineered cementitious composite members and reinforced concrete/engineered cementitious composite members: A review

Hou

Chen

et al. 2019

Structural Concrete

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“…When subject to cyclic load reversals, reinforced ECC members showed better damage tolerance and energy dissipation capacity [11,12]. Shear failure of beam-column joints could be prevented by using ECC and stirrups in the joints could even be eliminated under cyclic loading [13][14][15][16]. Hence, ECC can be utilised in shear-critical members and beam-column joints.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation on shear strength of engineered cementitious composites

Kang

Tan

Zhou

et al. 2017

Engineering Structures

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“…ECC beam showed better seismic performance compared with concrete beams. The ECC beams failed in shear showed more significant improvement than those failed in flexure [20]. Experimental results of ECC columns and frames from Fisher et al indicated that the application of ECC could improve structure integrity at various stage [21,22].…”

Section: Introductionmentioning

confidence: 99%

Seismic behavior of steel reinforced ECC or ECC/concrete composite short columns

Xu¹,

Pan²,

Cai³

2016

Proceedings of the 9th International Conference on Fracture Mechanics of Concrete and Concrete Structures

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Engineered cementitious composites (ECC) is an advanced composite material with strain hardening and multiple cracking behaviors. For a reinforced concrete short column, substitution of conventional concrete with ECC can significantly improve the deformation and energy dissipation ability. In this paper, it is proposed that concrete in the bottom region (plastic hinge region) of short columns is substituted with ECC to form ECC/RC composite short columns to improve the seismic performance and economic efficiency. Firstly, two ECC/RC composite short columns, one ECC short column and one RC short column were tested under reversed cyclic loading. The influence of shear reinforcement ratio of the composite columns was investigated as well. Then, a finite element analysis with the software of ATENA was carried out to obtain the optimal height of the ECC layer in the ECC/RC composite column. The mechanical behaviors of RC short column, ECC short column and ECC/RC composite short columns with different heights of ECC layers under combined vertical and horizontal loading were comprehensively studied and compared. The experimental results indicate that the use of ECC in the column bottom can change the failure mode from brittle flexure-shear failure to ductile flexure failure mode. The ECC and ECC/RC composite short column are extremely similar in seismic performance, and have superior ultimate load capacity, ductility and energy dissipation capacity to the RC short column. Due to higher shear strength, ECC can partly replace stirrups and reduce the stirrup ratio of ECC/RC composite short column. The simulation results show that the ECC/RC composite short column, where the ECC layer is 0.8h (h is the depth of the column section) height, can achieve similar mechanical properties of ECC short column. And the ECC zone in this composite column is just the plastic hinge regions of the RC short column.

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A comparison of engineered cementitious composites versus normal concrete in beam-column joints under reversed cyclic loading

Cited by 116 publications

References 8 publications

Seismic behavior of reinforced engineered cementitious composite members and reinforced concrete/engineered cementitious composite members: A review

Seismic behavior of reinforced engineered cementitious composite members and reinforced concrete/engineered cementitious composite members: A review

Experimental investigation on shear strength of engineered cementitious composites

Seismic behavior of steel reinforced ECC or ECC/concrete composite short columns

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