[1] LIU Z, CAI C S, LIU F Y, et al. Feasibility study of loess stabilization with fly ash-based geopolymer[J]. Journal of Materials in Civil Engineering, 2016, 28(5): 04016003.
[2] WANG F Y, PANG W C, QIN X Y, et al. Durability-aimed design criteria of cement-stabilized loess subgrade for railway[J]. Applied Sciences, 2021, 11(11): 5061.
[3] HOU X, MA W, LI G Y, et al. Effects of freezing-thawing cycles on mechanical properties of loess solidified by sodium silicate[J]. Journal of Glaciology and Geocryology, 2018, 40(1): 86-93 (in Chinese).
[4] SINGH S, ASWATH M U, RANGANATH R V. Effect of mechanical activation of red mud on the strength of geopolymer binder[J]. Construction and Building Materials, 2018, 177: 91-101.
[5] WANG Y B, YUAN Y, ZHAO R D, et al. Research status and development trend of mechanical properties of red mud geopolymer concrete[J]. Materials Reports, 2020, 34(15): 15102-15109 (in Chinese).
[6] WANG Y B, ZHANG X, SHI C X, et al. Experimental study on the influence of material composition on shrinkage of slag, fly ash and red mud matrix polymer[J]. Journal of Taiyuan University of Technology, 2022, 53(5): 955-962 (in Chinese).
[7] ZHAO Y X, XIANG J R, L Q F, et al. Effect of alkali activator on engineering properties of geopolymer-solidified loess[J]. Journal of Beijing University of Technology, 2021, 47(6): 636-643 (in Chinese).
[8] XU P F, LI Z Y, WANG Y M, et al. Impact of freeze-thaw cycles on mechanical properties of loess solidified with new polymer curing agent SH[J]. Journal of Yangtze River Scientific Research Institute, 2021, 38(1): 137-141 (in Chinese).
[9] HU Z Q, LIANG Z C, WU C Y, et al. Experimental study on mechanical properties of lime modified loess under freeze-thaw cycle[J]. China Civil Engineering Journal, 2019, 52(supplement 1): 211-217 (in Chinese).
[10] WU X. Study on strength characteristics of lime-fly ash improved loess under freeze-thaw cycle[D]. Xi’an: Xi’an Technological University, 2020 (in Chinese).
[11] ZHENG Y J, ZHANG X, LUO Z L, et al. Physical and mechanical properties of loess subgrade improved by phase change materials under freeze-thaw cycles[J]. Highway, 2022, 67(8): 36-43 (in Chinese).
[12] YANG W, LIU H, ZHU P H, et al. Effect of recycled coarse aggregate quality on the interfacial property and sulfuric acid resistance of geopolymer concrete at different acidity levels[J]. Construction and Building Materials, 2023, 375: 130919.
[13] LYU Q F, LIU P F, WU Z M, et al. Study on the peculiarity of loess solidified by modified sodium silicate under freeze-thaw cycles[J]. Science Technology and Engineering, 2014, 14(31): 95-99 (in Chinese).
[14] LYU Q F, YU J J, SHAN X K, et al. A study on the mechanical property and mechanism of loess solidified by gypsum alkali-activated geopolymer[J]. Journal of Lanzhou University (Natural Sciences), 2021, 57(2): 221-225+232 (in Chinese).
[15] LIU Y, ZHANG W Y, CUI J Y. Experimental research on influence of geopolymer factors on loess strength in Qinghai area[J]. Journal of Qinghai University, 2019, 37(5): 82-89+104 (in Chinese).
[16] XIANG J R. Study on the influence of sodium silicate on the engineering characteristics of alkali-activated geopolymer solidified loess[D]. Lanzhou: Lanzhou University, 2020 (in Chinese).
[17] Ministry of Housing and Urban-Rural Development of the People’s Republic of China. Standard for geotechnical test methods: GB/T 50123—2019 [S]. Beijing: China Plan Publishing House, 2019 (in Chinese).
[18] XIA K H. Discussion on making the best water content specimen in bearing ratio test[J]. Low Carbon World, 2022, 12(4): 193-195 (in Chinese).
[19] HU Y L. Research on the influence of compaction degree and moisture content on the unconfined compressive strength of red clay[J]. Northern Communications, 2023(7): 41-43+48 (in Chinese).
[20] LI B P, PING G Q, ZHANG Y, et al. Effects of freeze-thaw cycles on mechanical properties of loess under plane strain[J]. Journal of Civil and Environmental Engineering, 2021, 43(2): 41-48 (in Chinese).
[21] LIU L Q, ZHANG W Y, ZHANG B Y, et al. Effect of freezing-thawing cycles on mechanical properties and microscopic mechanisms of loess[J]. Hydrogeology & Engineering Geology, 2021, 48(4): 109-115 (in Chinese).