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|Title:||Effect of high strain rate loading on compressive behaviour of fibre-reinforced high-strength concrete|
|Citation:||Wang, S., Zhang, M.-H., Quek, S.T. (2011-11-01). Effect of high strain rate loading on compressive behaviour of fibre-reinforced high-strength concrete. Magazine of Concrete Research 63 (11) : 813-827. ScholarBank@NUS Repository. https://doi.org/10.1680/macr.2011.63.11.813|
|Abstract:||This paper presents a laboratory experimental study on the effect of high strain rate loading on compressive behaviour of plain and fibre-reinforced high-strength concrete with similar strength of 80-90 MPa. Steel fibres, polyethylene fibres and a combination of these were used in the fibre-reinforced high-strength concrete. Split- Hopkinson pressure bar equipment and a hydraulic test machine were used to determine the concrete behaviour at strain rates from about 10 to 300/s and from about 1024 to 1021/s, respectively. Dynamic increase factor and fracture patterns of the specimens, concrete matrix and fibres are discussed. The CEB-FIP equation is found to be applicable to the high-strength concrete, but overestimated the dynamic increase factor of fibre-reinforced high-strength concrete at strain rates beyond a transition strain rate of 30/s. A modified dynamic increase factor equation is proposed for plain high-strength concrete and fibre-reinforced high-strength concrete. © 2011 Thomas Telford Ltd.|
|Source Title:||Magazine of Concrete Research|
|Appears in Collections:||Staff Publications|
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