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|Title:||Compressive behavior of plain and fiber-reinforced high-strength concrete subjected to high strain rate loading||Authors:||Wang, S.
|Keywords:||Dynamic increase factor
Fiber-reinforced high-strength concrete
High strain rate
Split hopkinson pressure bar
|Issue Date:||2011||Citation:||Wang, S., Zhang, M.-H., Quek, S.T. (2011). Compressive behavior of plain and fiber-reinforced high-strength concrete subjected to high strain rate loading. Applied Mechanics and Materials 82 : 57-62. ScholarBank@NUS Repository. https://doi.org/10.4028/www.scientific.net/AMM.82.57||Abstract:||This paper presents a laboratory experimental study on the effect of high strain rate on compressive behavior of plain and fiber-reinforce high-strength concrete (FRHSC) with similar strength of 80-90 MPa. Steel fibers, polyethylene fibers, and a combination of these were used in the FRHSC. A split Hopkinson pressure bar equipment was used to determine the concrete behavior at strain rates from about 30 to 300 s -1. The ratio of the strength at high strain rates to that at static loading condition, namely dynamic increase factor (DIF), of the concretes was determined and compared with that recommended by CEB-FIP code. Fracture patterns of the specimens at high strain rates are described and discussed as well. Results indicate that the CEB-FIP equation is applicable to the plain high strength concrete, but overestimates the DIF of the FRHSC at strain rates beyond a transition strain rate of 30 s -1. Based on the experimental results, a modified equation on DIF is proposed for the FRHSC. © (2011) Trans Tech Publications.||Source Title:||Applied Mechanics and Materials||URI:||http://scholarbank.nus.edu.sg/handle/10635/91280||ISBN:||9783037852170||ISSN:||16609336||DOI:||10.4028/www.scientific.net/AMM.82.57|
|Appears in Collections:||Staff Publications|
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