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Effect of fire flame exposure on basalt and carbon fiber reinforced concrete

IOP conference series. Earth and environmental science, 2020-03, Vol.463 (1), p.12179 [Tạp chí có phản biện]

Published under licence by IOP Publishing Ltd ;2020. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 1755-1307 ;EISSN: 1755-1315 ;DOI: 10.1088/1755-1315/463/1/012179

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  • Nhan đề:
    Effect of fire flame exposure on basalt and carbon fiber reinforced concrete
  • Tác giả: Abd Razak, Siti Nooriza ; Shafiq, Nasir ; Azmi, Yasmin Mohd ; Guillaumat, Laurent ; Farhan, Syed Ahmad ; Ayesha, Wan Farra ; Grampeix, Guillaume
  • Chủ đề: Arresters ; Basalt ; Carbon ; Carbon fiber reinforced concretes ; Carbon fiber reinforcement ; Carbon fibers ; Composite materials ; Compressive strength ; Concrete construction ; Conductors ; Cracking (fracturing) ; Exposure ; Fire damage ; Fire exposure ; Mechanical properties ; Reinforced concrete ; Spalling ; Tunnels ; Visual observation
  • Là 1 phần của: IOP conference series. Earth and environmental science, 2020-03, Vol.463 (1), p.12179
  • Mô tả: Concrete in general is a poor conductor of heat, but it can suffer significant damage when exposed to fire. Investigation of concrete behaviour when exposed to fire has generated interest where most of the fire cases take place in buildings and tunnels. Incorporation of fiber in concrete can improve the mechanical performance as it acts as crack arresters, resisting the development of cracks, hence making the concrete composite matrix stronger. In this study, mechanical behaviour of basalt and carbon fiber reinforced concrete for different characteristic strengths at 28 days were investigated for its performance when exposed to fire flame. Fire flame test using methane gas was developed to simulate real fire phenomena. Concrete specimens were subjected to fire flame at the temperature of 1000 °C for a period of 90 minutes. Visual observation (colour change, cracking and spalling), loss of density and residual compressive strength of the concrete specimens were performed. The results obtained were compared with reference specimens. Test results showed that tested samples experienced cracking and spalling, reduction of mass and compressive strength. All samples experienced compressive strength loss except for G20 OPC which recovers 7.8 % compressive strength. Addition of carbon fiber showed an increased in strength before exposure compared to basalt fiber. Minor damages were observed for carbon fiber in concrete after fire exposure compared to basalt fiber.
  • Nơi xuất bản: Bristol: IOP Publishing
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 1755-1307
    EISSN: 1755-1315
    DOI: 10.1088/1755-1315/463/1/012179
  • Nguồn: IOP Publishing Free Content
    IOPscience (Open Access)
    Alma/SFX Local Collection
    ProQuest Central
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