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Study on effect of synthesis fibers on the properties of high-strength lighweight concrete using fly ash Cenospheres
Abstract
This paper presents experimental results using reinforced fibers to improve the mechanical properties of high-strength lightweight concrete made from hollow spherical particles called cenospheres. Experiments were conducted to evaluate the effectiveness of incorporating various types of fibers into lightweight concrete. The results demonstrated that the use of reinforcing fibers increased the flexural strength and reduced the shrinkage of lightweight concrete. Cenospheres were chosen as the main material due to their lightweight and excellent thermal insulation properties, which enhance the acoustic and thermal insulation properties of concrete. This study proposes a novel method for optimizing the mix composition of high-strength lightweight concrete, addressing both technical and environmental requirements.
References
- . Nguyễn Tấn Quý, Nguyễn Thiện Ruệ (2000), Giáo trình Công Nghệ Bê tông Xi măng. Nhà xuất bản Giáo Dục.
- . TCVN 9029:2017. Bê tông nhẹ - Sản phẩm bê tông bọt và bê tông khí không chưng áp - Yêu cầu kỹ thuật. Bộ Khoa học và Công Nghệ, Việt Nam.
- . BS EN 1992-1-4:2004, Design of concrete structures - Lightweight aggregate concrete with closed structure. BSI standards publication.
- . ACI 213-R14 (2014). Guide for Structural Lightweight - Aggregate Concrete. Reported by ACI Committee 213. ISBN: 978-0-87031-897-9, 2014, American Concrete Institute. Detroit.
- . Alduaij, J., et al. (1999). Lightweight concrete in hot coastal areas. Cement and Concrete Composites, 21(5-6): p. 453-458.
- . Inozemtcev A.S., Korolev E.V. (2014), Technical and Economical Efficiency for Application of Nanomodified High-Strength Lightweight Concretes. Advanced Materials Research, 1040: p. 176-182.
- . Blanco, F., et al. (2000), Characteristics and properties of lightweight concrete manufactured with cenospheres. Cement and Concrete Research. 30(2000): p.1715-1722.
- . Losiewicz M., et al. (1996), An investigation into the properties of micro-sphere insulating concrete. Construction and Building Materials. 10(8): p. 583-588.
- . Montgomery D., Diamond S. (1984), The influence of fly ash cenospheres on the details of cracking in flyash-bearing cement pastes. Cement and Concrete Research, 14(6): p. 767-775.
- . Hashim A.M., et al. (2020), Mechanical Properties of Lightweight Concrete Made with Shredded Waste Polypropylene Yogurt Containers. 3rd International Conference on Recent Innovations in Engineering (ICRIE 2020). IOP Conf. Series: Materials Science and Engineering 978 (2020) 012022.
- . Hùng L.V. (2023), Nghiên cứu chế tạo bê tông nhẹ cường độ cao sử dụng hạt vi cầu rỗng từ tro bay (cenospheres). Luận án Tiến sỹ Kỹ thuật vật liệu, Trường Đại học Xây dựng Hà Nội, Hà Nội.
- . Pichór W. (2009), Properties of fiber Reinforced Cement composite with Cenospherer from Coal ash. Brittle Matrix Composites. 9: p.245-254.
- . Neville A.M. (1995), Properties of concrete (fourth edition). A.M. Neville. Longman Scientific & Technical Ltd. ISBN 0-582-23070-5.
- . Asad H., Zeyu L., Zongjin L. (2017), Utilization of fly ash cenospheres as lightweight filler in cement-based composites - A review. Contruction and Building Materials. 14: p.373-384.
- . Kok-Seng C. (2014), Experimental study on creep and shrinkage of high-performance ultra lightweight cement composite of 60 MPa. Structural Engineering and Mechanics. 50(5): p.635-652.

