硫酸盐环境下沙漠砂混凝土抗冻耐久性及界面微观结构研究

doi:10.11896/cldb.24100076

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Abstract In order to investigate the rationality of desert sand concrete application in the salty and dry cold region of Northwest China, the freeze-thaw cycle test of concrete with desert sand dosage as a variable in sulphate environment was designed. In the test, weighed the concrete with 20% desert sand dosage gradient and determined its macroscopic performance indexes such as self-oscillation frequency and curing compressive strength, etc., and analyzed the deterioration process of salt-freezing resistance of concrete and its microstructural evolution law under the gra-dient of desert sand dosage by using characterization techniques such as NMR, SEM and XRD. The results show that at the same curing stage, the compressive strength of concrete with the increase of desert sand dosage gradient shows a complex trend of "first declines, then rises and then declines", and the compressive strength reaches the peak when the dosage is 40%. With the salt freezing cycle test, when the desert sand dosage increases from 0% to 40%, the initial porosity of concrete decreases, the mass loss rate and relative dynamic elastic modulus change is small, and when the desert sand dosage is more than 40%, the damage of concrete specimen increases with the increase of the desert sand do-sage, which can be seen that the best salt freezing resistance of the concrete is achieved when the desert sand dosage is 40%. Through the SEM results, it's found that the concrete specimen inside the interface between the aggregate and the cement paste interface transition zone and the crack is the weaker zone of the desert sand concrete. The main reason for the extension of concrete cracks in the late stage of the test is due to the erosion products such as calcium alumina and gypsum crystal aggregates generated at the internal pores of the specimen. These findings can provide a basis for the research and application of desert sand concrete in water conservancy projects in the salty and dry cold regions of northwest China.

Key words： desert sand machine-made sand concrete freeze-thaw cycle sulphate erosion durability damage

Published: 25 November 2025 Online: 2025-11-14

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TU528

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	Articles by authors
	GONG Li
	ZHAO Xuehao
	XU Tianle
	BU Yanzhong
	YANG Tengteng
	QIN Jun
	DANG Dandan

Cite this article:

GONG Li,ZHAO Xuehao,XU Tianle, et al. Frost Durability and Interfacial Microstructure of Desert Sand Concrete Under Sulphate Environment[J]. Materials Reports, 2025, 39(22): 24100076-10.

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https://www.mater-rep.com/EN/10.11896/cldb.24100076 OR https://www.mater-rep.com/EN/Y2025/V39/I22/24100076

1 Zhang B Z, Gong L, Du Q Y, et al. Materials Reports, 2022, 36(17), 108(in Chinese).
张秉宗, 贡力, 杜强业, 等. 材料导报, 2022, 36(17), 108.
2 Ma R, Li Z Q, Zhang H D, et al. Concrete, 2021(9), 156(in Chinese).
马瑞, 李志强, 张华东, 等. 混凝土, 2021(9), 156.
3 Wang X Y, Liu M H, Liu X, et al. Journal of Civil Engineering, 2022, 55(2), 23(in Chinese).
王雪艳, 刘明辉, 刘萱, 等. 土木工程学报, 2022, 55(2), 23.
4 Zhao Y M, Han Z L, Li H J, et al. China Railway, 2019(8), 1(in Chinese).
赵有明, 韩自力, 李化建, 等. 中国铁路, 2019(8), 1.
5 Li H, Huang F, Cheng G, et al. Construction and Building Materials, 2016, 109, 41.
6 Wang Z, Li H J, Huang F L, et al. Journal of Building Materials, 2023, 26(5), 516(in Chinese).
王振, 李化建, 黄法礼, 等. 建筑材料学报, 2023, 26(5), 516.
7 Xu P H. Green Building Materials, 2017(12), 150(in Chinese).
徐潘宏. 绿色环保建材, 2017(12), 150.
8 Gong L, Bu Y Z, Xu T L, et al. Case Studies in Construction Materials, 2024, 21, 3896.
9 Gong L, Liang Y, Gong X L, et al. Journal of Applied Basic and Engineering Sciences, 2023, 31(4), 1006(in Chinese).
贡力, 梁颖, 宫雪磊, 等. 应用基础与工程科学学报, 2023, 31(4), 1006.
10 Zhou M H, Dong W. Journal of Building Engineering, 2023, 77, 107515.
11 Zhang M H, Zhu X Z, Shi J Y, et al. Construction and Building Materials, 2022, 327, 127014.
12 Liu H F, Ma Y C, Ma Y L, et al. Advances in Civil Engineering, 2021, 2021, 6620058.
13 Dong W, Shen X, Xue H, et al. Construction and Building Materials, 2016, 123, 792.
14 He L J, Jiang Y J, Meng H. Sichuan Building Materials, 2023, 49(6), 12(in Chinese).
何莉瑾, 姜彦杰, 孟浩. 四川建材, 2023, 49(6), 12.
15 Jiang Y J, Liu H T, Liu H F, et al. Materials Reports, 2024, 39(7), 119(in Chinese).
姜彦杰, 刘浩天, 刘海峰, 等. 材料导报, 2024, 39(7), 119.
16 Bai J W, Zhao Y R, Shi J N, et al. Construction and Building Materials, 2022, 327, 126885.
17 Ministry of Housing and Urban-Rural Development of the People's Republic of China. Specification for the design of ordinary concrete proportions:JGJ55-2011, China Construction Industry Press, China, 2011, pp.6(in Chinese).
中华人民共和国住房和城乡建设部. 普通混凝土配合比设计规程:JGJ55-2011, 中国建筑工业出版社, 2011, pp.6.
18 Minister of Water Resources of the People's Republic of China. Test procedure for hydraulic concrete:SL/T 352-2020, China Water Conservancy and Hydropower Press, China, 2020, pp.3(in Chinese).
中华人民共和国水利部. 水工混凝土试验规程:SL/T 352-2020, 中国水利水电出版社, 2020, pp.3.
19 Gong L, Liang Y T, Yu X B, et al. KSCE Journal of Civil Engineering, 2023, 27(7), 2993.
20 Zhang H M, Zheng S H, Jing P Y, et al. Journal of Henan University of Science and Technology (Natural Science Edition), 2023, 44(6), 77(in Chinese).
张慧梅, 郑世航, 景盼园, 等. 河南科技大学学报(自然科学版), 2023, 44(6), 77.
21 GB/T 14684-2022, Sand for construction, China Standard Press, China, 2022, pp.2(in Chinese).
GB/T 14684-2022, 建设用砂, 中国标准出版社, 2022, pp.2.
22 Dong W, Wang J F. Construction and Building Materials, 2024, 411, 134593.
23 Lyu S H, Shaghureti-Baikaiyi, Alimas Yerbrati, et al. Silicate Bulletin, 2022, 41(07), 2321(in Chinese).
吕胜辉, 沙吾列提·拜开依, 阿力马斯·叶尔布拉提, 等. 硅酸盐通报, 2022, 41(7), 2321.
24 Gong L, Yu X B, Liang Y T, et al. Case Studies in Construction Materials, 2023, 18, e01762.
25 Liu H F, Liu Y J, Jiang Y J, et al. Industrial Building, 2023, 53(S1), 616 (in Chinese).
刘海峰, 刘一江, 姜彦杰, 等. 工业建筑, 2023, 53(S1), 616.
26 Meng H, Yang W W, Liu H F. Ningxia Engineering Technology, 2023, 22(1), 49(in Chinese).
孟浩, 杨维武, 刘海峰. 宁夏工程技术, 2023, 22(1), 49.
27 Li Y G, Zhang H M, Chen S J, et al. Journal of Composite Materials, 2023, 40(4), 2331(in Chinese).
李玉根, 张慧梅, 陈少杰, 等. 复合材料学报, 2023, 40(4), 2331.
28 Li Y G, Zhang H M, Chen S J, et al. Construction and Building Materials, 2022, 340.
29 Xue H J, Shen X D, Zou C X, et al. Journal of Building Materials, 2019, 22(2), 199 (in Chinese).
薛慧君, 申向东, 邹春霞, 等. 建筑材料学报, 2019, 22(2), 199.
30 Duan A. Study on the constitutive relationship of concrete subjected to freezing and thawing and numerical simulation of freezing and thawing process. Ph. D. Thesis, Tsinghua University, China, 2009(in Chinese).
段安. 受冻融混凝土本构关系研究和冻融过程数值模拟. 博士学位论文, 清华大学, 2009.
31 Zhang H M, Wang D, Jing P Y. Journal of Henan University of Science and Technology (Natural Science Edition), 2023, 44(3), 70(in Chinese).
张慧梅, 王丹, 景盼园. 河南科技大学学报(自然科学版), 2023, 44(3), 70.
32 Qin P L, He M S, Yuan K, et al. Journal of Shihezi University (Natural Science Edition), 2023, 41(5), 568 (in Chinese).
秦鹏亮, 何明胜, 袁康, 等. 石河子大学学报(自然科学版), 2023, 41(5), 568.
33 Zhou M H, Dong W. Journal of Building Engineering, 2023, 80, 108067.
34 Gong L, Zhao X H, Bu Y Z, et al. Structures, 2024, 70, 107875.