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Structural Engineering and Mechanics Volume 91, Number 2, July25 2024 , pages 149-161 DOI: https://doi.org/10.12989/sem.2024.91.2.149 |
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A review on performance of composite structures combining UHPC and normal concrete |
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Thanh Vy Nguyen, Tuan Anh Nguyen and An Hoang Le
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| Abstract | ||
| In the world, the construction science and technology industry has developed strongly thanks to the application of Ultra-High Performance Concrete (UHPC) technology, with a strength greater than 150 Mpa and unprecedented durability. compared to previous materials. However, this technology can build special structures but has limited use in construction because it is not commercially feasible to replace regular concrete in most structural types due to material costs. high, lack of availability, limited design standards, complex manufacturing and maintenance techniques. This article examines the composition of UHPC materials and their performance in composite structures with conventional concrete, a promising choice for promoting the development of UHPC technology in construction. It is based on the combined use of UHPC as a covering layer around normal concrete or as an inner core to increase the strength of normal concrete, create a slender structure and reduce the cost and repair of construction works. Construction and transport infrastructure are degraded. Manufacturing costs are expected to be reduced with composite construction due to the advantages of combined materials. | ||
| Key Words | ||
| composite columns; reinforced UHPC; structural applications; UHPFRC; ultra-high performance concrete (UHPC) | ||
| Address | ||
| Thanh Vy Nguyen: Faculty of Engineering and Technology, Tra Vinh University, No.126 Nguyen Thien Thanh, Hamlet 4, Ward 5, Tra Vinh City, Vietnam; Ho Chi Minh City University of Transport, No.2, Vo Oanh Street, Ward 25, Binh Thanh District, Ho Chi Minh City, Vietnam Tuan Anh Nguyen, An Hoang Le: Ho Chi Minh City University of Transport, No.2, Vo Oanh Street, Ward 25, Binh Thanh District, Ho Chi Minh City, Vietnam | ||