1 Investigation of toughness of ultra high performance fibre reinforced 1 concrete (UHPFRC) beam under impact loading 2 L. Mao¹*, S.J. Barnett² 3 ¹Department of Aeronautical and Automotive Engineering, Loughborough University, Epinal Way, 4 Loughborough, LE11 3TU, UK 5 ²School of Civil Engineering and Surveying, University of Portsmouth, Winston Churchill Avenue, 6 Portsmouth, PO1 2UP, UK 7 * Corresponding author [email protected] 8 Abstract: 9 This paper provides a systematic study about toughness of ultra high performance fibre 10 reinforced concrete (UHPFRC) in order to better understand the UHPFRC resistance under 11 impact loading condition. UHPFRC beams containing various fibre volumes are tested under 12 impact load at different strain rate. From the test results, the relationship between UHPFRC 13 toughness and strain rate can be determined. Moreover, a numerical model of UHPFRC 14 beam under impact load is developed and its performance is verified using test data. With 15 developed UHPFRC model, the evolution of UHPFRC toughness can be better investigated. 16 Keywords: 17 UHPFRC, toughness, impact load, numerical simulation, strain rate 18 1 Introduction: 19
Investigation of toughness of ultra high performance fibre reinforced concrete (UHPFRC) beam under impact loading
Jun 16, 2023
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