TY  - JOUR
TI  - Flexural fatigue behaviour of recycled tyre polymer fibre reinforced concrete
N1  - This version is the author accepted manuscript. For information on re-use, please refer to the publisher?s terms and conditions.
ID  - discovery10084285
UR  - https://doi.org/10.1016/j.cemconcomp.2019.103441
Y1  - 2020/01//
PB  - Elsevier
JF  - Cement and Concrete Composites
VL  - 105
A1  - Chen, M
A1  - Zhong, H
A1  - Zhang, M
SN  - 0958-9465
N2  - The utilization of recycled tyre polymer fibre (RTPF) into concrete production is feasible to promote sustainable development and mitigate environmental pollution of global landfilled waste tyres. This paper for the first time presents an experimental study on flexural fatigue behaviour of concrete reinforced with mixed RTPF considering different fibre dosages (i.e., 1.2, 2.4, 4.8 and 9.6 kg/m^{3} ). Results indicate that with the presence of RTPF, the flexural strength of concrete was increased by 3.6-9.6%. The fatigue life of all mixtures followed the two-parameter Weibull distribution and can be accurately predicted using the developed double-logarithm fatigue equations. Concrete reinforced with 4.8 kg/m^{3} of RTPF presented the longest fatigue life under different failure probabilities. RTPF and polypropylene fibre (PPF) reinforced concrete exhibited similar fatigue failure mechanisms. 0.2-0.4% V_{f} of RTPF could substitute around 0.1% V_{f} of PPF in concrete considering overall static, dynamic and fatigue performance.
KW  - Fibre reinforced concrete
KW  -  Recycled fibre
KW  -  Polypropylene fibre
KW  -  S-N curve
KW  -  Microstructure
AV  - public
ER  -