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  4. A Discussion on the Reliability of prEN1992-1-1:2021 Shear Strength Provisions for Fibre Reinforced Concrete Members Without Shear Reinforcement
 
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conference paper

A Discussion on the Reliability of prEN1992-1-1:2021 Shear Strength Provisions for Fibre Reinforced Concrete Members Without Shear Reinforcement

Tosic, Nikola
•
Bairan, Jesus Miguel
•
Ruiz, Miguel Fernandez  
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January 1, 2023
Proceedings Of The 75Th Rilem Annual Week 2021
75th RILEM Annual Week on Advances in Sustainable Construction Materials and Structures

The Eurocode 2 for the design of concrete structures (EN1992-1-1:2004) is undergoing a revision that will lead to the publication of the second generation of this code to be used across all CEN member countries. Therefore, the impact of the code will reach hundreds of millions of people. Importantly, the Eurocode 2-revision will incorporate many significant changes, amongst which is the introduction of design provisions for fibre reinforced concrete (FRC). In this regard, one of the most important aspects for ultimate limit state (ULS) design will be the consideration of the shear strength of FRC members without shear reinforcement. Such a failure mode is associated with a number of uncertainties, as well as with a potentially-brittle failure response. However, so far, the design models proposed in the Eurocode 2-revision have not been accompanied by a robust reliability-based calibration of the FRC partial factor. SF. Within this context, this paper presents the results of an investigation on the safety format and the partial factor. SF for FRC members without shear reinforcement currently provisioned in the draft for the new Eurocode 2 (prEN1992-1-1:2021). Firstly, a database of experimental results on FRC beams is used to determine the model error. On that basis, a probabilistic analysis is performed using the First Order Reliability Method (FORM) to determine adequate values of. SF for varying target reliability indices. The results of the study show how. SF values need to updated in order to reach reliability indices typically considered for ULS design.

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Type
conference paper
DOI
10.1007/978-3-031-21735-7_60
Web of Science ID

WOS:001000560900060

Author(s)
Tosic, Nikola
•
Bairan, Jesus Miguel
•
Ruiz, Miguel Fernandez  
•
de la Fuente, Albert
Date Issued

2023-01-01

Publisher

SPRINGER INTERNATIONAL PUBLISHING AG

Publisher place

Cham

Published in
Proceedings Of The 75Th Rilem Annual Week 2021
ISBN of the book

978-3-031-21737-1

978-3-031-21735-7

978-3-031-21734-0

Series title/Series vol.

RILEM Bookseries

Volume

40

Start page

549

End page

558

Subjects

Construction & Building Technology

•

Engineering, Civil

•

Materials Science, Multidisciplinary

•

Engineering

•

Materials Science

•

fibre reinforced concrete

•

reliability

•

partial factor

•

beam

•

database

•

eurocode 2

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
IBETON  
Event nameEvent placeEvent date
75th RILEM Annual Week on Advances in Sustainable Construction Materials and Structures

Merida, MEXICO

Aug 29-Sep 03, 2021

Available on Infoscience
July 17, 2023
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/199140
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