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      Reduction of Load Capacity of Fiber Cement Board Facade Cladding under the Influence of Fire

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          Abstract

          The paper analyzes the issue of the reduction of load capacity in fiber cement board during a fire. Fiber cement boards were put under the influence of fire by using a large-scale facade model. Such a model is a reliable source of knowledge about the behavior of facade cladding and the way fire spreads. One technical solution for external walls—a ventilated facade—is gaining popularity and is used more and more often. However, the problem of the destruction during a fire of a range of different materials used in external facade cladding is insufficiently recognized. For this study, the authors used fiber cement boards as the facade cladding. Fiber cement boards are fiber-reinforced composite materials, mainly used for facade cladding, but also used as roof cladding, drywall, drywall ceiling and floorboards. This paper analyzes the effect of fire temperatures on facade cladding using a large-scale facade model. Samples were taken from external facade cladding materials that were mounted on the model at specific locations above the combustion chamber. Subsequently, three-point bending flexural tests were performed and the effects of temperature and the integrals of temperature and time functions on the samples were evaluated. The three-point bending flexural test was chosen because it is a universal method for assessing fiber cement boards, cited in Standard EN 12467. It also allows easy reference to results in other literature.

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          High-temperature behaviour of HPC with polypropylene fibres

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            High temperature behaviour of hybrid steel–PVA fibre reinforced reactive powder concrete

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              Melting cellulose

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                Author and article information

                Contributors
                Role: Academic Editor
                Journal
                Materials (Basel)
                Materials (Basel)
                materials
                Materials
                MDPI
                1996-1944
                03 April 2021
                April 2021
                : 14
                : 7
                : 1769
                Affiliations
                [1 ]Faculty of Civil Engineering, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland; krzysztof.schabowicz@ 123456pwr.edu.pl
                [2 ]Building Research Institute (Instytut Techniki Budowlanej), Filtrowa 1, 00-611 Warszawa, Poland; p.sulik@ 123456itb.pl
                Author notes
                Author information
                https://orcid.org/0000-0001-6320-9539
                https://orcid.org/0000-0003-2828-5899
                Article
                materials-14-01769
                10.3390/ma14071769
                8038406
                ea338496-6d21-4e3c-ba9c-dd02f561f0d6
                © 2021 by the authors.

                Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license ( https://creativecommons.org/licenses/by/4.0/).

                History
                : 02 March 2021
                : 31 March 2021
                Categories
                Article

                ventilated facades,fire safety,fiber cement board,flexural strength,cladding

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