[1] [1] ZHAO H, WANG S F, WANG R, et al. Utilization of raw coal gangue as coarse aggregates in pavement concrete[J]. Construction and Building Materials, 2023, 378: 131062.

[4] [4] HUANG Y L, LI J M, MA D, et al. Triaxial compression behaviour of gangue solid wastes under effects of particle size and confining pressure[J]. Science of the Total Environment, 2019, 693: 133607.

[11] [11] ZHOU M, DOU Y W, ZHANG Y Z, et al. Effects of the variety and content of coal gangue coarse aggregate on the mechanical properties of concrete[J]. Construction and Building Materials, 2019, 220: 386-395.

[12] [12] GAO S, ZHAO G H, GUO L H, et al. Utilization of coal gangue as coarse aggregates in structural concrete[J]. Construction and Building Materials, 2021, 268: 121212.

[13] [13] LIU H Q, XU Q, WANG Q H, et al. Prediction of the elastic modulus of concrete with spontaneous-combustion and rock coal gangue aggregates[J]. Structures, 2020, 28: 774-785.

[19] [19] OUYANG K, SHI C J, CHU H Q, et al. An overview on the efficiency of different pretreatment techniques for recycled concrete aggregate[J]. Journal of Cleaner Production, 2020, 263: 121264.

[20] [20] FENG C H, CUI B W, HUANG Y, et al. Enhancement technologies of recycled aggregate-Enhancement mechanism, influencing factors, improvement effects, technical difficulties, life cycle assessment[J]. Construction and Building Materials, 2022, 317: 126168.

[22] [22] ZHAO Z H, WANG S D, LU L C, et al. Evaluation of pre-coated recycled aggregate for concrete and mortar[J]. Construction and Building Materials, 2013, 43: 191-196.