Abstract
The present paper deals with the SCC reinforced with the recycled fibres and their combination with the polypropylene fibres subjected to high strain rates. Using the SHPB technique, the strain rate sensitivity of the mixtures was determined in the range of strain rates from 140 to 200 s-1. It was found that the strain rate dependence of both types of mixtures was comparable. The failure pattern affirmed the role of fibres in carrying the loads for the strain rates about 100 s-1. For the highest strain rates occurrence of fibres in the mixture was less important.
Keywords:
split Hopkinson pressure bar, recycled steel fibres, self-compacting concreteReferences
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2. Brandt A.M., Fibre reinforced cement-based (FRC) composites after over 40 years of development in building and civil engineering, Composites Structures, 86(1–3): 3–9, 2008, https://doi.org/10.1016/j.compstruct.2008.03.006
3. Yoo D.-Y., Banthia N., Impact resistance of fiber-reinforced concrete – A review, Cement and Concrete Composites, 104: 103389, 2019, https://doi.org/10.1016/j.cemconcomp.2019.103389
4. Hao Y., Hao H., Jiang G.P., Zhou Y., Experimental confirmation of some factors influencing dynamic concrete compressive strengths in high-speed impact tests, Cement and Concrete Research, 52: 63–70, 2013, https://doi.org/10.1016/j.cemconres.2013.05.008
5. Pająk M., Baranowski P., Janiszewski J., Kucewicz M., Mazurkiewicz Ł., Łaźniewska-Piekarczyk B., Experimental testing and 3D meso-scale numerical simulations of SCC subjected to high compression strain rates, Construction and Building Materials, 302: 124379, 2021, https://doi.org/10.1016/j.conbuildmat.2021.124379
6. Simalti A., Singh A.P., Comparative study on performance of manufactured steel fiber and shredded tire recycled steel fiber reinforced self-consolidating concrete, Construction and Building Materials, 266(Part B): 121102, 2021, https://doi.org/10.1016/j.conbuildmat.2020.121102
7. Domski J., Katzer J., Zakrzewski M., Ponikiewski T., Comparison of the mechanical characteristics of engineered and waste steel fiber used as reinforcement for concrete, Journal of Cleaner Production, 158: 18–28, 2017, https://doi.org/10.1016/j.jclepro.2017.04.165
8. Chen M., Si H., Fan X., Xuan Y., Zhang M., Dynamic compressive behaviour of recycled tyre steel fibre reinforced concrete, Construction and Building Materials, 316: 125896, 2022, https://doi.org/10.1016/j.conbuildmat.2021.125896
9. Pająk M., Janiszewski J., Kruszka L., Laboratory investigation on the influence of high compressive strain rates on the hybrid fibre reinforced self-compacting concrete, Construction and Building Materials, 227: 116687, 2019, https://doi.org/10.1016/j.conbuildmat.2019.116687
10. Pająk M., Janiszewski J., Kruszka L., Hybrid fiber reinforced self-compacting concrete under static and dynamic loadings, [in:] Concrete – Innovations in Materials, Design and Structures, Proceedings of the fib Symposium 2019, W. Derkowski et al. [Ed.], pp. 766–772, Lausanne, 2019.
11. Li N., Jin Z., Long G., Chen L., Fu Q., Yu Y., Zhang X., Xiong C., Impact resistance of steel fiber-reinforced self-compacting concrete (SCC) at high strain rates, Journal of Building Engineering, 38: 102212, 2021, https://doi.org/10.1016/j.jobe.2021.102212
12. Ren G.M., Wub H., Fang Q., Liu J.Z., Effects of steel fiber content and type on dynamic compressive mechanical properties of UHPCC, Construction and Building Materials, 164: 29–43, 2018, https://doi.org/10.1016/j.conbuildmat.2017.12.203
13. Bian L., Ma J., Zhang J., Li P., Dynamic compression behavior and a damage constitutive model of steel fibre reinforced self-compacting concrete, Advances in Materials Science and Engineering, 2021: 8085949, 2021, https://doi.org/10.1155/2021/8085949
14. Hao Y., Hao H., Dynamic compressive behaviour of spiral steel fibre reinforced concrete in split Hopkinson pressure bar tests, Construction and Building Materials, 48: 521–532, 2013, https://doi.org/10.1016/j.conbuildmat.2013.07.022
15. Yu Q., Zhuang W., Shi C., Research progress on the dynamic compressive properties of ultra-high performance concrete under high strain rates, Cement and Concrete Composites, 124: 104258, 2021, https://doi.org/10.1016/j.cemconcomp.2021.104258
16. Jankowiak T., Rusinek A., Voyiadjis G.Z., Modeling and design of SHPB to characterize brittle materials under compression for high strain rates, Materials, 13(9): 2191, 2020, https://doi.org/10.3390/ma13092191
17. Wang Y., Wang Z., Liang X., An M., Experimental and numerical studies on dynamic compressive behavior of reactive powder concretes, Acta Mechanica Solida Sinica, 21(5): 420–430, 2008, https://doi.org/10.1007/s10338-008-0851-0
18. Marzec I., Tejchman J., Winnicki A., Computational simulations of concrete behaviour under dynamic conditions using elasto-visco-plastic model with non-local softening, Computers and Concrete, 15(4): 515–545, 2015, https://doi.org/10.12989/cac.2015.15.4.515
19. Brara A., Klepaczko J.R., Experimental characterization of concrete in dynamic tension, Mechanics of Materials, 38(3): 253–267, 2006, https://doi.org/10.1016/j.mechmat.2005.06.004
20. Shemirani A. B., Naghdabadi R., Ashrafi M.J., Experimental and numerical study on choosing proper pulse shapers for testing concrete specimens by split Hopkinson pressure bar apparatus, Construction and Building Materials, 125: 326–336, 2016, https://doi.org/10.1016/j.conbuildmat.2016.08.045
21. Baranowski P., Gieleta R., Malachowski J., Damaziak K., Mazurkiewicz Ł., Split Hopkinson pressure bar impulse experimental measurement with numerical validation, Metrology and Measurement Systems, 21(1): 47–58, 2014, https://doi.org/10.2478/mms-2014-0005
22. Jankowiak T., Rusinek A., Lodygowski T., Validation of the Klepaczko–Malinowski model for friction correction and recommendations on Split Hopkinson Pressure Bar, Finite Elements in Analysis and Design, 47(10): 1191–1208, 2011, https://doi.org/10.1016/j.finel.2011.05.006
