Interface shear transfer in reinforced engineered cementitious composites under push-off loads

Peng, Jun; Zhao, Pei-Zhi; Wang, Shan; Lee, Siong Wee; Kang, Shao‐Bo

doi:10.1016/j.engstruct.2019.110013

Cited by 7 publications

(3 citation statements)

References 9 publications

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“…Table 2 shows the mix design of ECC 27 . ECC was mixed with cement, water, silica sand, fly ash, superplasticizer and polyvinyl alcohol (PVA) fibers.…”

Section: Resultsmentioning

confidence: 99%

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Experimental studies on tensile behavior of reinforced engineered cementitious composite members with double steel rebars

Wang

et al. 2023

Structural Concrete

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This paper investigates the tensile behavior of reinforced engineering cementitious composite (ECC) members. Twelve reinforced ECC members were tested in uniaxial tension. The stress‐average strain curves, failure modes, and the strain of longitudinal reinforcement at selected sections were obtained during testing. The influence of reinforcement ratio on the load resistance and deformation capacity of members was determined. Test results showed that the tensile behavior of reinforced ECC members could be divided into three stages, namely, the elastic stage, the microcracking stage and the major cracking stage. ECC significantly contributed to the load resistance of reinforced ECC members before the formation of major cracks through tension stiffening effect. The load capacity and deformation capacity of reinforced ECC members increased with the increase of reinforcement ratios. For members with ungrooved steel bars, the ultimate load and ultimate strain increased by 130.0% and 115.2% with the reinforcement ratio increased from 1.01% to 2.26%. For members with grooved steel bars, the ultimate load and ultimate strain increased by 123.6% and 98.7% with the reinforcement ratio increased from 0.78% to 2.04%. Based on the test results, the failure mechanism of reinforced ECC members was analyzed and equations for predicting the load capacity of members were proposed. Comparisons between experimental and calculated load capacities suggested that the calculated results were in good agreement with the experimental values. The study on the tensile behavior of reinforced ECC members provides useful results for the design and application of reinforced ECC members.

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“…Table 2 shows the mix design of ECC 27 . ECC was mixed with cement, water, silica sand, fly ash, superplasticizer and polyvinyl alcohol (PVA) fibers.…”

Section: Resultsmentioning

confidence: 99%

“…2 shows the mix design of ECC. 27 ECC was mixed with cement, water, silica sand, fly ash, superplasticizer and polyvinyl alcohol (PVA) fibers. The length and diameter of the fiber were 12 and 0.04 mm, respectively.…”

Section: Testing Producementioning

confidence: 99%

Experimental studies on tensile behavior of reinforced engineered cementitious composite members with double steel rebars

Wang

et al. 2023

Structural Concrete

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“…Few experimental studies have been performed to determine the shear-friction characteristics in concrete with lightweight aggregates [7]- [9]. Some studied the various origins of aggregates [10] and others tried to develop highefficiency concrete [11], [12].…”

Section: Introductionmentioning

confidence: 99%

Shear in sand-lightweight and conventional high strength concrete through the push-off test

Figueiredo

Soares

Garcia

et al. 2021

Rev. IBRACON Estrut. Mater.

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Shear design models in reinforced concrete structures depend on stress transfer through cracks. Such mechanism is influenced by the displacement and roughness of the opposite faces generated during cracking. Shear is reduced when an aggregate particle is fractured leading to a smoother crack as found in lightweight and high strength concrete. This study evaluated the ultimate shear strength of sand-lightweight and conventional high strength concrete as well as the differences in their behavior. Results from Pereira and Soares with 29 push-off test specimens were used. Transverse clamping stress ranged from 4.79 to 12.71 MPa while fcm was 30 and 50 MPa. The experimental results showed significant differences in the concrete studied. A tri-linear model was proposed to calculate the ultimate shear strength. An overall mean value of τu, exp/τu, cal was 0.96.

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Designing of Standard Cross Sections of Composite Bending Reinforced Concrete Elements by the Method of Design Resistance of Reinforced Concrete

Кочкарьов

Azizov

Azizova

et al. 2020

Lecture Notes in Civil Engineering

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Interface shear transfer in reinforced engineered cementitious composites under push-off loads

Cited by 7 publications

References 9 publications

Experimental studies on tensile behavior of reinforced engineered cementitious composite members with double steel rebars

Experimental studies on tensile behavior of reinforced engineered cementitious composite members with double steel rebars

Shear in sand-lightweight and conventional high strength concrete through the push-off test

Designing of Standard Cross Sections of Composite Bending Reinforced Concrete Elements by the Method of Design Resistance of Reinforced Concrete

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