Statistical and Practical Evaluation of the Mechanical and Fracture Properties of Steel Fibre Reinforced Concrete

The sustainability of the construction industry requires new perspectives on existing techniques. For example, fibre concrete has been an integral part of the construction industry for many years and its contribution to enhancing the properties and use of concrete is undeniable, but there are still...

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Main Authors: Kristýna Hrabová, Jaromír Láník, Petr Lehner
Format: Article
Language:English
Published: MDPI AG 2022-07-01
Series:Buildings
Subjects:
Online Access:https://www.mdpi.com/2075-5309/12/8/1082
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author Kristýna Hrabová
Jaromír Láník
Petr Lehner
author_facet Kristýna Hrabová
Jaromír Láník
Petr Lehner
author_sort Kristýna Hrabová
collection DOAJ
description The sustainability of the construction industry requires new perspectives on existing techniques. For example, fibre concrete has been an integral part of the construction industry for many years and its contribution to enhancing the properties and use of concrete is undeniable, but there are still some questions that need to be answered. The present paper showed the possibilities of statistical evaluation of crack mouth displacement (CMOD) tests performed on 24 fibre concrete specimens. The aim was to point out possible pitfalls and to propose measures based on statistics. The geometrical properties of all samples were determined and correlated with the results of the CMOD test. In this paper, a procedure was considered to compare two different concretes with different fibres at CMOD level. Correlations between geometry and CMOD test results were also demonstrated.
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spelling doaj.art-b904d2feb70e4407af43af4793f58e6d2023-11-30T23:19:02ZengMDPI AGBuildings2075-53092022-07-01128108210.3390/buildings12081082Statistical and Practical Evaluation of the Mechanical and Fracture Properties of Steel Fibre Reinforced ConcreteKristýna Hrabová0Jaromír Láník1Petr Lehner2Faculty of Civil Engineering, Brno University of Technology, Veveří 331/95, 60200 Brno, Czech RepublicFaculty of Civil Engineering, Brno University of Technology, Veveří 331/95, 60200 Brno, Czech RepublicDepartment of Structural Mechanics, Faculty of Civil Engineering, VSB—Technical University of Ostrava, L. Podéště 1875, 70800 Ostrava-Poruba, Czech RepublicThe sustainability of the construction industry requires new perspectives on existing techniques. For example, fibre concrete has been an integral part of the construction industry for many years and its contribution to enhancing the properties and use of concrete is undeniable, but there are still some questions that need to be answered. The present paper showed the possibilities of statistical evaluation of crack mouth displacement (CMOD) tests performed on 24 fibre concrete specimens. The aim was to point out possible pitfalls and to propose measures based on statistics. The geometrical properties of all samples were determined and correlated with the results of the CMOD test. In this paper, a procedure was considered to compare two different concretes with different fibres at CMOD level. Correlations between geometry and CMOD test results were also demonstrated.https://www.mdpi.com/2075-5309/12/8/1082crack mouth opening displacementbending testcorrelationsconcretesteel fibres
spellingShingle Kristýna Hrabová
Jaromír Láník
Petr Lehner
Statistical and Practical Evaluation of the Mechanical and Fracture Properties of Steel Fibre Reinforced Concrete
Buildings
crack mouth opening displacement
bending test
correlations
concrete
steel fibres
title Statistical and Practical Evaluation of the Mechanical and Fracture Properties of Steel Fibre Reinforced Concrete
title_full Statistical and Practical Evaluation of the Mechanical and Fracture Properties of Steel Fibre Reinforced Concrete
title_fullStr Statistical and Practical Evaluation of the Mechanical and Fracture Properties of Steel Fibre Reinforced Concrete
title_full_unstemmed Statistical and Practical Evaluation of the Mechanical and Fracture Properties of Steel Fibre Reinforced Concrete
title_short Statistical and Practical Evaluation of the Mechanical and Fracture Properties of Steel Fibre Reinforced Concrete
title_sort statistical and practical evaluation of the mechanical and fracture properties of steel fibre reinforced concrete
topic crack mouth opening displacement
bending test
correlations
concrete
steel fibres
url https://www.mdpi.com/2075-5309/12/8/1082
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AT jaromirlanik statisticalandpracticalevaluationofthemechanicalandfracturepropertiesofsteelfibrereinforcedconcrete
AT petrlehner statisticalandpracticalevaluationofthemechanicalandfracturepropertiesofsteelfibrereinforcedconcrete