期刊
ENGINEERING SCIENCE AND TECHNOLOGY-AN INTERNATIONAL JOURNAL-JESTECH
卷 20, 期 2, 页码 536-541出版社
ELSEVIER - DIVISION REED ELSEVIER INDIA PVT LTD
DOI: 10.1016/j.jestch.2016.12.004
关键词
Concrete fire resistance; High strength concrete; Silica fume; Waste glass powder
In this article, the efficiency of waste glass powder was investigated in enhancing the mechanical properties of concrete at high temperature. Chemical composition of this powder reveals that it plays good role as effective inert very fine material in concrete strength improvement. Conventional reactive pozzolanic powder of silica fume was used also in present work to show the degradation degree in concrete strength under firing in comparison to concrete made with waste glass powder. The experimental program was comprised of tests for examining fire resistance and mechanical properties of high strength concrete (HSC) after firing. Fifty-six concrete cylinders and prisms were manufactured for measuring their compressive and flexural strengths, modulus of elasticity and stress-strain behavior at high temperature. Failure modes were considered also for the specimens after fire exposure. Results demonstrate the great role of waste glass powder in conserving residual strength at high temperature. Accordingly, it is proved that the HSC made with waste glass powder has strength at high temperature more than that for concrete fabricated by silica fume. (C) 2016 Karabuk University. Publishing services by Elsevier B.V.
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