[1] [1] CHEN X,ZHANG Y C,CHEN Y Q,et al. Research and exploration of aerodynamic effect of high-speed railway sound barrier in China［J］. China Railway Science,2023,44(4): 84-91 (in Chinese).

[2] [2] XUE Z,RU X,LI S F,et al. Study on adding noise barrier to existing railway bridges［J］. Railway Engineering Technology and Economy,2023,38(3): 9-13+36 (in Chinese).

[3] [3] HAO L,LIN Q,SONG Y Q,et al. Study on noise reduction of sound barrier of expressway based on finite element simulation［J］. Modern Transportation and Metallurgical Materials,2023,3(1): 89-93 (in Chinese).

[4] [4] WANG Y W. Application of noise barrier technology in traffic noise control［J］. Journal of Shanghai Ship and Shipping Research Institute,2022,45(4): 75-78 (in Chinese).

[5] [5] YAN F,CHEN Y L,CHEN Z P,et al. Cyclic compressive mechanical performance of fly ash ceramsite lightweight aggregate concrete［J］. Bulletin of the Chinese Ceramic Society,2020,39(8): 2615-2621 (in Chinese).

[6] [6] LIU L. Study on basic mechanical properties of fly ash aggregate concrete in early age［J］. Sichuan Cement,2016(5): 302+285 (in Chinese).

[7] [7] LI R. Experimental study on properties of fly ash ceramsite lightweight aggregate concrete［D］. Yinchuan: Ningxia University,2015 (in Chinese).

[8] [8] SHI Y J,BAI H R,LI J K. Lytag concrete antifreeze performance study［J］. Concrete,2016(11): 86-89 (in Chinese).

[9] [9] CHAI C J,SONG H P,FENG Z J,et al. Research progress on the fly ash ceramsite［J］. Clean Coal Technology,2020,26(6): 11-22 (in Chinese).

[10] [10] WU J. Study on mechanical properties and durability of nano-SiO2 modified fly ash ceramsite concrete［D］. Changchun: Jilin University,2019 (in Chinese).

[11] [11] CHEN X. Study on durability of ceramsite concrete pavement mixed with fly ash［D］.Chongqing: Chongqing Jiaotong University,2017 (in Chinese).

[12] [12] DUAN C Y,CUI G,XU X B,et al. Sound absorption characteristics of a high-temperature sintering porous ceramic material［J］. Applied Acoustics,2012,73(9): 865-871.

[13] [13] WANG Y,ZHU W X,SHAO L,et al. Performance analysis of city subway rail acoustic panels［J］. Construction Technology,2014,43(10): 102-105 (in Chinese).

[14] [14] CHUN Y Y. Sintering-free preparation of porous ceramsite of fly ash using temperature decomposing pore former and its sound-absorbing performance［D］. Liuzhou: Guangxi University of Science and Technology,2018 (in Chinese).

[15] [15] YU P,ZHAO J. Durability analysis of sintered fly ash concrete［J］. Low Temperature Architecture Technology,2009,31(8): 1-3 (in Chinese).

[16] [16] ZHANG B. Study on basic properties and related durability of fly ash ceramsite concrete［D］. Baotou: Inner Mongolia University of Science & Technology,2012 (in Chinese).