Shear strength of reinforced concrete beams with precast High-Performance Fiber-Reinforced Cementitious Composite permanent form

Wu, Xiangguo; Kang, Thomas H.-K.; Lin, Yang; Hwang, Hyeon-Jong

doi:10.1016/j.compstruct.2018.06.007

Cited by 18 publications

(6 citation statements)

References 4 publications

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“…There is still a lack of knowledge regarding the concrete connection between old SHCC and young NC. Most of the current experiments [43,44,46] on this subject have been performed on the interface between young SHCC and old normal concrete. Based on experiments [38] conducted by Tian et al, the positive effect on the interfacial shear strength is mainly due to higher SHCC compressive strength and interfacial roughness.…”

Section: Discussionmentioning

confidence: 99%

“…Multiple M16 penetrating bolts have been added to improve the integration of the U-shape. The increase in shear strength reached 67,4% [46]. In 2020, Shang et al [47] proved that U-shape SHCC with stirrups is an effective way of shearstrengthening damaged RC beams due to fire.…”

Section: Experimental Benchmarks On Rc Beams With Shear Strengthening...mentioning

confidence: 99%

“…There are also some other types of hybrid beams strengthened by SHCC and tested for shear capacity. In 2018, Wu et al [46] tested RC beams strengthened by precast thin-walled (20-mm) U-shape UHTCC. Multiple M16 penetrating bolts have been added to improve the integration of the U-shape.…”

Section: Experimental Benchmarks On Rc Beams With Shear Strengthening...mentioning

confidence: 99%

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Contribution of strain-hardening cementitious composites (SHCC) to shear resistance in hybrid reinforced concrete beams

Luković,

Budnik,

Dragaš

et al. 2023

Građ materijali i konstrukcije

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Strain Hardening Cementitious Composite (SHCC) is an innovative type of fibre-reinforced cement-based composite that has superior tensile properties. Because of this, it holds the potential to enhance the shear capacity of reinforced concrete (RC) beams, if applied properly. This paper presents the general and distinctive properties of SHCC as well as a literature review of topics related to the contribution of SHCC layers to the shear resistance of RC beams with and without shear reinforcement. Based on the analysed results, it is concluded that the main characteristics of SHCC are its microcracking behaviour, high ductility, and increased tensile strength (between 2 and 8 MPa) at large deformations. When used in structural elements, SHCC develops multiple parallel cracks compared to concentrated cracks in conventionally reinforced concrete. The biggest disadvantage of SHCC is its significant drying shrinkage. Although showing high variability, using SHCC as laminates with a thickness of 10 mm improves the shear capacity of hybrid RC beams, but debonding of interfaces in a hybrid system occurs in some cases.

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Section: Discussionmentioning

confidence: 99%

Section: Experimental Benchmarks On Rc Beams With Shear Strengthening...mentioning

confidence: 99%

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Contribution of strain-hardening cementitious composites (SHCC) to shear resistance in hybrid reinforced concrete beams

Luković,

Budnik,

Dragaš

et al. 2023

Građ materijali i konstrukcije

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show abstract

“…The shear reinforcement bar formed to give a Y-type shape as in Figure (7). embedded into the concrete part as shown in figure (8). The Y-rib has a unique shape that helps to increase the bond strength between the steel beam and the concrete part, allowing them to act as a single structural unit.…”

Section: Steel Reinforcement Rebarmentioning

confidence: 99%

“…Table (8) shows the ultimate loads and deflections of composite beams with different concrete types and shear connectors. The results of the laboratory test varied from those of the program test; however, that difference can be considered acceptable.…”

Section: Ultimate Load and Maximum Deflectionmentioning

confidence: 99%

Effects of Recycled Concrete on Structural Behavior of Composite Beams with Y-Rib Shear Connectors

ALMAYYAHI,

Aabbas,

Hussain

2023

mjes

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This study inspects the structural behavior of composite steel concrete beams connected together by Y-Rib shear connectors using recycled concrete. The main method involves using stud shear connectors with normal concrete. By comparing the structural performance of Y-Rib shear connectors with conventional stud shear connectors, the study aims to determine the benefit of using this type of connector with recycled concrete. Improved results in terms of maximum load-bearing capacity before failure and maintaining structural integrity until failure would indicate a viable solution to the sliding issue seen in traditional composite beams. Regardless of challenges in acquiring traditional shear connectors, the study also explores an alternative: 20mm diameter reinforcing bars. Although this falls outside the primary research scope, the main focus remains on the behavior of composite beams connected by Y-shaped shear connectors with recycled concrete. The investigation encompasses 18 shear connector types, divided into two groups: 9 models with normal coarse aggregate concrete (35.17 MPa) and 9 models with recycled coarse aggregate concrete (33.48 MPa) to determine the benefit of recycled aggregate concrete usage.

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Experimental study on the structural performance of a novel composite bent cap with a partially precast UHPC-steel composite shell

Li,

Tang,

et al. 2024

Composite Structures

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Shear strength of reinforced concrete beams with precast High-Performance Fiber-Reinforced Cementitious Composite permanent form

Cited by 18 publications

References 4 publications

Contribution of strain-hardening cementitious composites (SHCC) to shear resistance in hybrid reinforced concrete beams

Contribution of strain-hardening cementitious composites (SHCC) to shear resistance in hybrid reinforced concrete beams

Effects of Recycled Concrete on Structural Behavior of Composite Beams with Y-Rib Shear Connectors

Experimental study on the structural performance of a novel composite bent cap with a partially precast UHPC-steel composite shell

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