Fibre mortar composites in fire conditions

Leena Sarvaranta, Esko Mikkola

    Research output: Contribution to journalArticleScientificpeer-review

    14 Citations (Scopus)

    Abstract

    A small‐scale test series was carried out using the heating system (radiant exposure) of a cone calorimeter to detect any differences in the way different fibres affect the thermal properties of a standard mortar. The fibres were different polypropylene, polyacrylonitrile, aramide, carbon or steel. Fibres affect the release of moisture from the fibre mortar material. Local pressures caused by water vaporization due to rapid heating can be decreased by incorporating fibres. Fibres have a weak insulating effect. However, use of polyacrylonitrile fibres in mortar may increase the risk to spalling under rapid thermal exposure such as fire. The moisture level in specimens is highly significant for their thermal properties and hence their fire behavior.
    Original languageEnglish
    Pages (from-to)45-50
    Number of pages6
    JournalFire and Materials
    Volume18
    Issue number1
    DOIs
    Publication statusPublished - 1994
    MoE publication typeA1 Journal article-refereed

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