纳米SiO<sub>2</sub>改性聚合物水泥基复合材料孔隙结构演变特征及强度预测

doi:10.11896/cldb.24070202

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Abstract In order to improve the hydration rate of polymer cement-based materials, nano-SiO₂ was added to prepare polymer cement-based compo-sites modified by nano-SiO₂. For the sake of clarifying the relationship between the strength and the porous structure of different-scale pores, the effects of nano-SiO₂ on the hydration process, compressive strength, pore structure characteristic parameters, pore volume and pore diameter distribution of polymer cement mortar were firstly investigated. Secondly, the relationship between compressive strength and pore diameter distribution and pore volume parameters were further discussed. Finally, multiple regression analysis was used to establish a quantitative relationship model between compressive strength and pore diameter distribution and pore volume. The results show that the strength of polymer cement mortar modified by nano-SiO₂ specimens is higher than that of polymer cement mortar specimens in the early and late stages. In addition, the average pore diameter and medium pore diameter are reduced, and the most probable pore diameter is reduced, the proportion of macropores and capillary pores is greatly reduced, the proportion of transition pores is increased, and the proportion of gel pores is not changed much, so that the pore structure of modified mortar is greatly refined. According to the regression analysis, for the pore diameter distribution parameters, the correlation between the average pore diameter and compressive strength is the highest. The pore structure prediction model considering both pore diameter distributionand pore volume can accurately predict the strength of polymer cement-based composites modified by nano-SiO₂.

Key words： nano-SiO₂ pore structure polymer cement-based material multiple regression prediction model

Published: 25 March 2025 Online: 2025-03-24

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TU528

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	Articles by authors
	LI Kan
	WEI Zhiqiang
	LU Chenggong
	PU Yu

Cite this article:

LI Kan,WEI Zhiqiang,LU Chenggong, et al. Pore Structure Evolution Characteristics and Strength Prediction of Polymer Cement-based Composites Modified by Nano-SiO₂[J]. Materials Reports, 2025, 39(6): 24070202-10.

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https://www.mater-rep.com/EN/10.11896/cldb.24070202 OR https://www.mater-rep.com/EN/Y2025/V39/I6/24070202

1 Jo Y K. Construction and Building Materials, 2020, 242, 118134.
2 Zhou C, Chen L, Zheng S, et al. Canadian Journal of Civil Engineering, 2020, 47(11), 1226.
3 Papaioanno S, Argyropoulou R, Kalogiannidou C, et al. The Journal of Adhesion, 2019, 95(2), 126.
4 Kim M O. Applied Sciences, 2020, 10(3), 1061.
5 Yassene A A M, Ismail M R, Afify M S. Journal of Vinyl and Additive Technology, 2020, 26(2), 144.
6 Mohammed A S, Mahmood W, Qadir W S, et al. Ain Shams Engineering Journal, 2023, 14(4), 101922.
7 Wang P M, Liu E G. Journal of Building Materials, 2009, 12(3), 253(in Chinese).
王培铭, 刘恩贵. 建筑材料学报, 2009, 12(3), 253.
8 Wang P M, Zhao G R, Zhang G F, et al. Bulletin of the Chinese Ceramic Society, 2014, 42(5), 653(in Chinese).
王培铭, 赵国荣, 张国防, 等. 硅酸盐学报, 2014, 42(5), 653.
9 Zhuang C, Chen Y. Nanotechnology Reviews, 2019, 8(1), 562.
10 Xu J, Wang X Z. Journal of the Chinese Ceramic Society, 2018, 46(8), 1053(in Chinese).
徐晶, 王先志. 硅酸盐学报, 2018, 46(8), 1053.
11 Hakamy A. Journal of Taibah University for Science, 2021, 15 (1), 909.
12 Balapour M, Joshaghani A, Althoey F. Construction and Building Materials, 2018, 181, 27.
13 Regalla S S. Case Studies in Construction Materials, 2024, 20, e03147.
14 Feng P, Chang H, Liu X, et al. Materials & Design, 2020, 186, 108320.
15 Wu H, Wang C, Yang D, et al. Journal of Building Engineering, 2023, 63, 105522.
16 Chen X Y, Zhou Q, Chen Z Y, et al. Materials Reports, 2022, 36(S2), 191(in Chinese).
陈旭勇, 周启, 程子扬, 等. 材料导报, 2022, 36(S2), 191.
17 Lai Q, Li G. Materials Research and Application, 2022, 16(2), 198(in Chinese).
赖祺, 李古. 材料研究与应用, 2022, 16(2), 198.
18 Liang S, Cui H Z, Xu D Y. Acta Materiae Compositae Sinica, 2019, 36(2), 498(in Chinese).
梁圣, 崔宏志, 徐丹玥. 复合材料学报, 2019, 36(2), 498.
19 Zabihi N, Ozkul M H. Construction & Building Materials, 2018, 168, 570.
20 Zhou L M, Wang C, Li D L, et al. Journal of Shenzhen University Science and Technology, 2014, 31(3), 227(in Chinese).
周立民, 王冲, 李东林, 等. 深圳大学学报理工版, 2014, 31(3), 227.
21 Gan L, Feng X W, Shen Z Z, et al. Journal of Central South University (Science and Technology), 2023, 54(12), 4860(in Chinese).
甘磊, 冯先伟, 沈振中, 等. 中南大学学报(自然科学版), 2023, 54(12), 4860.
22 Xue C Z, Shen A Q, Guo Y C. Materails Reports, 2019, 33(8), 1348(in Chinese).
薛翠真, 申爱琴, 郭寅川. 材料导报, 2019, 33(8), 1348.
23 Meng R Q. The effects of nano-SiO₂on the properties and microstructure of polymer modified cementitous materials at different temperature. Master's Thesis, Zhejiang University, China, 2014(in Chinese).
孟睿覃. 不同温度下纳米SiO₂对PMC材料性能和微结构的影响研究. 硕士学位论文, 浙江大学, 2014.
24 Zhao S J. Study on mechanical properties and microstructure of ultra-high performance cementitious composite. Ph. D. Thesis, Southeast University, China, 2016(in Chinese).
赵素晶. 超高性能水泥基材料的力学性能和微结构研究. 博士学位论文, 东南大学, 2016.
25 Du X F. Influence and mechanism of nano-SiO₂ agglomeration on the properties of the cement-based materials. Master's Thesis, Zhejiang University of Technology, China, 2012(in Chinese).
杜祥飞. 纳米SiO₂团聚特性及其对水泥基材料性能的影响与机理. 硕士学位论文, 浙江工业大学, 2012.
26 Zhang Y, Jin Z Q, Zhang Y S. Journal of the Chinese Ceramic Society, 2017, 45(2), 249(in Chinese).
张宇, 金祖权, 张云升. 硅酸盐学报, 2017, 45(2), 249.
27 Ryshkewitch E. Journal of the American Ceramic Society, 1953, 36(2), 65.
28 Schiller K K. Mechanical Properties of Non-metallic Brittle Materials, 1958, 35.
29 Hansen T C. Special Publication, 1968, 20, 43.
30 Jambor J. Cement and Concrete Research, 1990, 20(6), 948.
31 Atize C, Massidda L. Cement and Concrete Research, 1986, 1, 56.
32 Kumar R, Bhattacharjee B. Cement and Concrete Research, 2003, 33(1), 155.
33 Hasselman D. Journal of the American Ceramic Society, 1963, 46(11), 564.
34 Balshin M Y. Doklady Akademii nauk SSSR, 1949, 67(5), 831.