Study on the Effect of Temperature on the Soil-Water Characteristics of Sodium Sulfate-Bearing Loess

Tang Xianxi; Lü Wenqi; Li Mingze; Wang Kai; Zhang Xujun

doi:10.20174/j.JUSE.2025.01.15

Chinese Journal of Underground Space and Engineering >

2025 , Vol. 21 >Issue 1: 131 - 139

DOI: https://doi.org/10.20174/j.JUSE.2025.01.15

Study on the Effect of Temperature on the Soil-Water Characteristics of Sodium Sulfate-Bearing Loess

Tang Xianxi ,
Lü Wenqi ,
Li Mingze ,
Wang Kai ,
Zhang Xujun

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College of Civil Engineering, Lanzhou University of Technology, Lanzhou 730050, P.R. China

Received date: 2024-04-25

Online published: 2025-03-12

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Abstract

Sulfate saline soils widely exist in Northwest China. During the alternation of seasons, water and salinity will produce phase changes, which will cause changes in the matric suction of saline soils. Therefore, taking sodium sulfate loess as the research object, freeze-thaw experiments with different salinity and compaction degrees were designed. The results show that the change of sodium sulfate content and dry density has limited influence on the curve shape of soil temperature and unfrozen water content; The frozen water content decreased significantly with the decrease of temperature, and there was a hysteresis effect of the unfrozen water content in the process of alternate freezing and thawing. In the process of temperature decrease, under the same salt content, the initial value of matric suction increases with the increase of dry density; when the dry density is the same, the initial value of matric suction increases with the increase of salt content; in soil Before freezing, the matric suction of soil samples increases linearly with decreasing temperature. The soil will undergo a phase transition due to the presence of sodium sulfate. The primary phase transition only obviously exists in the soil sample with a salt content of 4% at about 12 ℃. At this time, the matric suction of the soil sample has a sudden change of about 100 kPa; the secondary phase transition The transformation occurred in all the test soil samples at negative temperature, and the soil with higher salinity had a smaller increment of matric suction during the secondary phase transformation process. The research in this paper can provide an important reference for the study of water-salt phase transition and water migration dynamics of sodium sulfate saline soil.

Key words： loess; sulfate saline soil; water-salt phase transition; matric suction

Cite this article

Tang Xianxi , Lü Wenqi , Li Mingze , Wang Kai , Zhang Xujun . Study on the Effect of Temperature on the Soil-Water Characteristics of Sodium Sulfate-Bearing Loess[J]. Chinese Journal of Underground Space and Engineering, 2025 , 21(1) : 131 -139 . DOI: 10.20174/j.JUSE.2025.01.15

References

[1] 刘小京, 郭凯, 封晓辉, 等. 农业高效利用盐碱地资源探讨[J]. 中国生态农业学报(中英文), 2023, 31(3): 345-353. (Liu Xiaojing, Guo Kai, Feng Xiaohui, et al. Discussion on efficient utilization of saline-alkali land resources in agriculture [J]. Chinese Journal of Eco-Agriculture, 2023, 31(3): 345-353. (in Chinese))
[2] 方秋阳, 柴寿喜, 李敏, 等. 冻融循环对固化盐渍土的抗压强度与变形的影响[J]. 岩石力学与工程学报, 2016, 35(5): 1041-1047. (Fang Qiuyang, Chai Shouxi, Li Min, et al. Influence of freezing-thawing cycles on compressive strength and deformation of solidified saline soil [J]. Chinese Journal of Rock Mechanics and Engineering, 2016, 35(5): 1041-1047. (in Chinese))
[3] 王鹏程, 叶阳升, 尧俊凯, 等. 硫酸盐侵蚀条件下无砟轨道路基上拱特性研究[J]. 铁道学报, 2021, 43(6): 135-140. (Wang Pengcheng, Ye Yangsheng, Yao Junkai, et al. Study on heaving characteristics of ballastless track subgrade subjected to sulfate attack [J]. Journal of the China Railway Society, 2021, 43(6): 135-140. (in Chinese))
[4] 宋文宇. 冻土冻融过程水热迁移特性的数值模拟及实验研究[D]. 哈尔滨:哈尔滨工业大学, 2016. (Song Wenyu.Numerical simulation and experimental study on water and heat transfer characteristics of frozen soil freezing and thawing process [D]. Harbin: Harbin Institute of Technology, 2016. (in Chinese))
[5] 张威宁. 生土建筑材料湿物性研究[D]. 北京:北京建筑大学, 2019. (Zhang Weining. Study on the moisture properties of raw soil building materials [D]. Beijing: Beijing University of Civil Engineering and Architecture, 2019. (in Chinese))
[6] 褚峰,邵生俊.黄土结构屈服损伤与其土水特征的关系[J]. 地下空间与工程学报,2020,16(1):73-79, 148.( Chu Feng, Shao Shengjun. Study on heaving characteristics of ballastless track subgrade subjected to sulfate attack [J]. Chinese Journal of Underground Space and Engineering, 2020,16(1): 73-79, 148. (in Chinese))
[7] 李佳敏, 马丽娜, 张戎令, 等. 饱和度及干密度对弱膨胀土土水特征曲线影响[J]. 西南大学学报(自然科学版), 2020, 42(4): 142-148. (Li Jiamin, Ma Lina, Zhang Rongling, et al. Analysis of influence of saturation and dry density on soil characteristic curve of weak expansive soil[J]. 2020,42(4): 142-148. (in Chinese))
[8] 褚峰,邵生俊,陈存礼.干密度对非饱和黄土基质吸力的影响[J]. 地下空间与工程学报,2015,11(6):1431-1436.( Chu Feng, Shao Shengjun, Chen Cunli. Influences of dry density and stress on suction state characteristics of undisturbed unsaturated loess [J]. Chinese Journal of Underground Space and Engineering, 2015,11(6): 1431-1436. (in Chinese))
[9] 赵贵涛, 韩仲, 邹维列, 等. 干湿、冻融循环对膨胀土土-水及收缩特征的影响[J]. 岩土工程学报, 2021, 43(6): 1139-1146. (Zhao Guitao, Han Zhong, Zou Weilie, et al. Influences of drying-wetting-freeze-thaw cycles on soil-water and shrinkage characteristics of expansive soil [J]. Chinese Journal of Geotechnical Engineering, 2021, 43 ( 6 ): 1139-1146. (in Chinese))
[10] Thyagaraj T, Salini U. Effect of pore fluid osmotic suction on matric and total suctions of compacted clay[J]. Géotechnique, 2015, 65(11): 952-960.
[11] 刘倩倩, 李舰, 蔡国庆, 等. 全吸力范围的盐渍土持水特性的试验研究[J]. 岩土力学, 2021, 42(3): 713-722. (Liu Qianqian, Li Jiang, Cai Guoqing, et al. Experimental study on water retention characteristics of saline soilin the full suction range [J]. Rock and Soil Mechanics, 2021, 42(3): 713-722. (in Chinese))
[12] 褚峰, 邵生俊, 陈存礼. 干密度和竖向应力对原状非饱和黄土土水特征影响的试验研究[J]. 岩石力学与工程学报, 2014, 33(2): 413-420. (Chu Feng, Shao Shengjun, Chen Cunli. Experimental research on influences of dry density and vertical stress on soil-water characteristic curves of intact unsaturated loess [J]. Chinese Journal of Rock Mechanics and Engineering, 2014,33(2): 413-420. (in Chinese))
[13] 罗启迅, 黄靖, 陈群. 竖向应力及干密度对砾石土土-水特征曲线的影响研究[J]. 岩土力学, 2014, 35(3): 729-734, 743. (Luo Qixun, Huang Jing, Chen Qun. Influence of vertical stress and dry density on soil-water characteristic curve of gravelly soil [J]. Rock and Soil Mechanics, 2014, 35(3): 729-734, 743. (in Chinese))
[14] 刘浚基,温树杰.干密度和粒径对非饱和尾矿砂土水特征曲线的影响[J]. 地下空间与工程学报,2021,17(5):1437-1443.( Liu Junji, Wen Shujie. Effect of dry density and particle size on soil-water characteristic curve of unsaturated tailing sand [J]. Chinese Journal of Underground Space and Engineering, 2021,17(5): 1437-1443. (in Chinese))
[15] 刘星志, 吴悦, 潘诗婷, 等. 颗粒级配对非饱和红土土-水特征曲线的影响[J]. 水利水运工程学报, 2018(5): 103-110. (Liu Xingzhi, Wu Yue, Pan Shiting, et al. Influences of different grain size contents on soil-water characteristic curve of unsaturated laterite based on fractal theory [J]. Hydro-Science and Engineering, 2018(5): 103-110. (in Chinese))
[16] 张亚国, 王幼博, 李同录, 等. 考虑温度效应的延安新区压实黄土全吸力范围持水和渗透特性研究[J]. 工程地质学报, 2022, 30(4): 1148-1156. (Zhang Yaguo, Wang Youbo, Li Tonglu, et al. Investigation on water retention and permeability characteristics of yan'an compacted loess in a full suction range incorporating temperature effects [J]. Journal of Engineering Geology, 2022, 30(4): 1148-1156. (in Chinese))
[17] 许韬, 白冰. 考虑循环温度驱动的土-水特征曲线滞后模型[J]. 岩土力学, 2022, 43(12): 3393-3402. (Xu Tao, Bai Bing. Hysteresis model of soil-water characteristic curves driven by cyclic temperature [J]. Chinese Journal of Geotechnical Engineering, 2022,43(12): 3393-3402. (in Chinese))
[18] 田慧会, 韦昌富. 基于核磁共振技术的土体吸附水含量测试与分析[J]. 中国科学:技术科学, 2014, 44(3): 295-305. (Tian Huihui, Wei Changfu. A NMR-based testing and analysis of adsorbed water content [J]. Scientia Sinica(Technologica), 2014,44(3): 295-305. (in Chinese))
[19] 张熙胤. 土体冻融水热变化特征及变形过程研究[D]. 北京 : 中国科学院大学, 2017. (Zhang Xiyin.Study on the variation characteristics and deformation process of freeze-thaw water and heat of soil [D]. Beijing: University of Chinese Academy of Sciences, 2017. (in Chinese))
[20] 中华人民共和国交通运输部.公路土工试验规程(JTG3430—2020)[S].北京:人民交通出版社,2020. (Ministry of Transport of the People 's Republic of China. Highway geotechnical test procedure [S].Beijing : People's Traffic Press, 2020. (in Chinese))
[21] 崔托维奇(苏),著.张长庆,朱元林, 译.冻土力学[M]. 北京:科学出版社, 1985. (Cui Toweiqi (Su), Zhang Changqing, Zhu Yuanlin, ed. Frozen soil mechanics [M].Beijing: Science Press, 1985. (in Chinese))
[22] 徐斅祖, 王家澄, 张立新. 冻土物理学[M]. 北京: 科学出版社, 2001.( Xu Xiaozu, Wang Jiacheng, Zhang Lixin.Physics of frozen soil [M].Beijing: Science Press, 2001. (in Chinese))
[23] 邴慧, 马巍. 盐渍土冻结温度的试验研究[J]. 冰川冻土, 2011, 33(5): 1106-1113. (Bing Hui, Ma Wei. Experimental study on freezing point of saline soil [J]. Journal of Glaciology and Geocryology, 2011,33(5): 1106-1113. (in Chinese))
[24] 肖泽岸, 朱霖泽, 侯振荣, 等. 水盐相变对硫酸盐渍土基质吸力影响规律研究[J]. 岩土工程学报, 2022, 44(10): 1935-1941. (Xiao Zean, Zhu Linze, Hou Zhenrong, et al. Effects of water/salt phase transition on matric suction of sulfate saline soil [J]. Chinese Journal of Geotechnical Engineering, 2022, 44 ( 10 ): 1935-1941. (in Chinese))

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