Shear resistance of prestressed HPFRC beams without stirrups: A mechanical analysis of shear-transfer actions based on detailed experimental measurements

Ruiz, Rafael; Fernández Ruiz, Miguel; Todisco, Leonardo; Corres, Hugo

doi:10.1016/j.engstruct.2024.117711

Engineering Structures

2024

DOI: 10.1016/j.engstruct.2024.117711

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Shear resistance of prestressed HPFRC beams without stirrups: A mechanical analysis of shear-transfer actions based on detailed experimental measurements

Rafael Ruiz,

Miguel Fernández Ruiz,

Leonardo Todisco

et al.

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Cited by 2 publications

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Analytical calculation of the in-plane shear strength of fibre-reinforced concrete

Valente,

Pimentel

2024

Engineering Structures

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Analytical calculation of the in-plane shear strength of fibre-reinforced concrete

Valente,

Pimentel

2024

Engineering Structures

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The Potential of Fiber-Reinforced Concrete to Reduce the Environmental Impact of Concrete Construction

Alberti,

Enfedaque,

Faria

et al. 2024

Applied Sciences

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Material optimization was one of the challenges for achieving cost-competitive solutions when concrete was introduced in construction, leading to new structural shapes for both civil works and buildings. As concrete construction became dominant, saving material was given less significance, and the selection of the structural typology was mostly influenced by construction or architectural considerations. Simple and non-time-consuming methods for building thus arose as the dominant criteria for design, and this led to the construction of less efficient structures. Currently, the awareness of the environmental footprint in concrete construction has brought the focus again to the topic of structural efficiency and material optimization. In addition, knowledge of material technology is pushing the use of cements and binders with lower environmental impact. Within this framework, Fiber-Reinforced Concrete (FRC) has been identified as a promising evolution of ordinary concrete construction. In this paper, a discussion is presented on the structural properties required for efficient design, focusing on the toughness and deformation capacity of the material. By means of several examples, the benefits and potential application of limit analysis to design at the Ultimate Limit State with FRC are shown. On this basis, the environmental impact of a tailored mix design and structural typology is investigated for the case of slabs in buildings, showing the significant impact that might be expected (potentially reducing CO2-eq emissions to half or even less in slabs when compared to ordinary solutions).

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Shear resistance of prestressed HPFRC beams without stirrups: A mechanical analysis of shear-transfer actions based on detailed experimental measurements

Cited by 2 publications

References 24 publications

Analytical calculation of the in-plane shear strength of fibre-reinforced concrete

Analytical calculation of the in-plane shear strength of fibre-reinforced concrete

The Potential of Fiber-Reinforced Concrete to Reduce the Environmental Impact of Concrete Construction

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