[1] [1] KODUR V K R. High-temperature performance of concrete in compression[J]. Materials and Structures, 2020, 53(4)： 1-14.

[8] [8] LEI L, DONG L, AN H, et al. Experimental study of the thermal and dynamic behaviors of polypropylene fiber-reinforced concrete[J]. Applied Sciences, 2021, 11(22): 10757.

[12] [12] ARASH B, HWA K C, TOMOKI S. Advanced structural health monitoring of concrete structures with the aid of acoustic emission[J]. Construction and Building Materials, 2014, 65: 282-302.

[18] [18] LI X, CHEN X D, JIVKOV A P, et al. Assessment of damage in hydraulic concrete by gray wolf optimization-support vector machine model and hierarchical clustering analysis of acoustic emission[J]. Structural Control and Health Monitoring, 2022, 29(4): 1-22.

[20] [20] CARPINTERI A, LACIDOGNA G, PUZZI S. From criticality to final collapse: evolution of the “b-value” from 1.5 to 1.0[J]. Chaos, Solitons & Fractals, 2009, 41(2): 843-853.