GK, WL and RL carried out the experiments, YL and GW analysed the test results. WL and YL drafted the manuscript. All authors read and approved the final manuscript. The authors would like to acknowledge the financial supports from the Australian Research Council (DE150101751, IH150100006), Australia and National Natural Science Foundation of China (51378247, 51408210), P. R. China. The authors are also grateful for the financial support of the National Engineering Laboratory for High-speed Railway Construction, Central South University (HSR2017001) and the State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology (SYSJJ2018-01), China. The authors declare that they have no competing interests. Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Journal information: ISSN 1976-0485 / eISSN 2234-1315
The authors would like to acknowledge the financial supports from the Australian Research Council (DE150101751, IH150100006), Australia and National Natural Science Foundation of China (51378247, 51408210), P. R. China. The authors are also grateful for the financial support of the National Engineering Laboratory for High-speed Railway Construction, Central South University (HSR2017001) and the State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology (SYSJJ2018-01), China.