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Alkali-resistant glass fiber reinforced high strength concrete in simulated aggressive environment

Materiales de construcción (Madrid), 2018-01, Vol.68 (329), p.147-e147

Copyright Consejo Superior de Investigaciones Científicas 2018 ;ISSN: 0465-2746 ;EISSN: 1988-3226 ;DOI: 10.3989/mc.2018.13216

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Nhan đề:
Alkali-resistant glass fiber reinforced high strength concrete in simulated aggressive environment
Tác giả: Kwan, W. H. ; Cheah, C. B. ; Ramli, M. ; Chang, K. Y.
Chủ đề: Alkalinity ; Cement ; Concrete ; Corrosion ; Durability ; Electron microscopy ; Fiber reinforcement ; fibre reinforcement ; glass ; Glass fiber reinforced concretes ; Glass fibers ; Molecular structure ; Permeability ; Reinforced concrete ; Repair & maintenance ; scanning electron microscopy (sem) ; Seawater ; Shear strength ; Shrinkage ; Stress concentration ; sulphate attack ; X-ray diffraction ; x-ray diffraction (xrd)
Là 1 phần của: Materiales de construcción (Madrid), 2018-01, Vol.68 (329), p.147-e147
Mô tả: The durability of the alkali-resistant (AR) glass fiber reinforced concrete (GFRC) in three simulated aggresive environments, namely tropical climate, cyclic air and seawater and seawater immersion was investigated. Durability examinations include chloride diffusion, gas permeability, X-ray diffraction (XRD) and scanning electron microscopy examination (SEM). The fiber content is in the range of 0.6 % to 2.4 %. Results reveal that the specimen containing highest AR glass fiber content suffered severe strength loss in seawater environment and relatively milder strength loss under cyclic conditions. The permeability property was found to be more inferior with the increase in the fiber content of the concrete. This suggests that the AR glass fiber is not suitable for use as the fiber reinforcement in concrete is exposed to seawater. However, in both the tropical climate and cyclic wetting and drying, the incorporation of AR glass fiber prevents a drastic increase in permeability.
Nơi xuất bản: Madrid: Consejo Superior de Investigaciones Científicas
Ngôn ngữ: English;Spanish
Số nhận dạng: ISSN: 0465-2746
EISSN: 1988-3226
DOI: 10.3989/mc.2018.13216
Nguồn: ProQuest Central
DOAJ Directory of Open Access Journals

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Alkali-resistant glass fiber reinforced high strength concrete in simulated aggressive environment

Copyright Consejo Superior de Investigaciones Científicas 2018 ;ISSN: 0465-2746 ;EISSN: 1988-3226 ;DOI: 10.3989/mc.2018.13216

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