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Browsing by Author Nguyen, Thi Thu Huong

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  • Modern experiment methods to verify the efficiency of using mineral admixtures in cementitious material of hardened cement applied for concrete of marine structures

    • Authors: Nguyen, Thi Thu Huong;  Advisor: -;  Participants: - (2022)

  • An experimental study using modern experiment methods for the cement specimens incorporating 0% fly ash+0% silica fume-F0S0, 30% fly ash+0% silica fume-F30S0, 25% fly ash+5% silica fume-F25S5, 20% ash fly+10% silica fume-F20S10, 15% fly ash+15% silica fume-F15S15 was reported. Results confirmed that the specimens with the replacement fly ash and silica fume showed the helpful transformation of hydration products and a good improvement of microstructure on hardened cement. This is due to the reduction of calcium hydroxide and the increase of secondary CSH in the cement matrix from the pozzolanic reaction of a mineral admixture. The result of the study with modern experiment methods con...
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  • Research on the use of glass fiber reinforcement to produce high performance concrete applied for coastal protection structures

    • Authors: Nguyen, Thi Thu Huong;  Advisor: -;  Participants: - (2021)

  • Using conventional concrete for coastal protection structures will often lead to reduce its life service. To address this limitation, the paper presents the method by using glass fiber reinforcement in combination with several types of admixture to produce concrete. This type of concrete helps to enhance flexural strength, minimize the possibility of cracks in concrete, and improve the resistance to chemical-induced corrosion thereby improving the quality, extending the life service of the structure. The outcome of this study is high performance concrete, which can be used effectively for the coastal protection structures. This result also helps manufacturers to refer to works with th...
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  • Study on the use of different glass fiber contents for self-compacting mortar

    • Authors: Nguyen, Thi Thu Huong;  Advisor: -;  Participants: Nguyen, Viet Duc (2020)

  • Glass Fiber-Reinforced Self-Compacting Mortar (GFRSCM) is a composite material consisting of a mortar of Portland cement and fine aggregate reinforced with alkali-resistant glass fibers. The properties of GFRSCM depend upon a wide range of variables including mix formulation, fiber type and content, length, orientation, and admixture used… In this paper, the authors intend to study the effect of glass fiber content on properties of GFRSCM at fresh and hardened state. The experimental results have shown that the more the content of glass fiber is used, the lower the resultant slump flow value of GFRSCM mixture. At hardened state, glass fiber content barely affects the compressive stre...