Study on the Chloride Ion Permeability Characteristics of Recycled Concrete in Real Marine Environments Based on Percolation Theory
ZHU Yuanlang1, ZHANG Hengwu2, LYU Kaiyue1, YANG Shanxu1, ZHANG Shiyu1, WANG Shiyinuo1, XIE Bojun1, GAO Song1,*
1 College of Civil Engineering, Qingdao University of Technology, Qingdao 266011, Shandong, China 2 Shandong Hexing Construction and Installation Engineering Co., Ltd., Binzhou 256600, Shandong, China
Abstract: To investigate the evolution of pore structure characteristics and ion transport mechanisms of recycled aggregate concrete (RAC) subjected to real marine exposure environments, based on percolation theory, backscattered electron imaging (BSE) and other microstructural testing techniques, along with Image J software for pore extraction and classification, were utilized in conjunction with macroscopic performance analysis. The impact of chloride ion penetration on the development and evolution of internal pores and cracks in RAC under marine exposure was syste-matically explored, and then a relationship between chloride ion permeability and percolation parameters was established. The effects of recycled concrete type and marine exposure age on the two-dimensional percolation characteristics were also examined. The results reveal a strong correlation between the macroscopic performance of RAC and percolation parameters such as percolation probability, maximum cluster size, and saturation degree. These percolation parameters can effectively characterize the chloride ion erosion mechanism in RAC under marine conditions. The appropriate addition of fly ash and metakaolin significantly enhances both the compressive strength and chloride ion resistance of RAC. The optimal amount of fly ash and metakaolin is 20% and 10%, respectively.
朱元浪, 张恒武, 吕凯越, 杨鄯旭, 张式玉, 王史以诺, 谢柏军, 高嵩. 基于逾渗理论的实海环境再生混凝土抗Cl-渗透特性研究[J]. 材料导报, 2025, 39(23): 24100208-8.
ZHU Yuanlang, ZHANG Hengwu, LYU Kaiyue, YANG Shanxu, ZHANG Shiyu, WANG Shiyinuo, XIE Bojun, GAO Song. Study on the Chloride Ion Permeability Characteristics of Recycled Concrete in Real Marine Environments Based on Percolation Theory. Materials Reports, 2025, 39(23): 24100208-8.
1 Soni A, Das P K, Hashmi A W, et al. Sustainable Chemistry and Pharmacy, 2022, 27, 100706. 2 Liu J, Ma K, Shen J, et al. Construction and Building Materials, 2023, 371, 130772. 3 Wang D, Lu C, Zhu Z, et al. Case Studies in Construction Materials, 2023, 19, e02384. 4 Cao Y B, Li Q Y, Wang Z X, et al. Bulletin of the Chinese Ceramic Society, 2017, 36(8), 2678 (in Chinese). 曹瑜斌, 李秋义, 王忠星, 等. 硅酸盐通报, 2017, 36(8), 2678. 5 Liu J, Ma K, Shen J, et al. Construction and Building Materials, 2023, 371, 130772. 6 Zhang M, Sun S, Liu K, et al. Journal of Building Engineering, 2023, 79, 107838. 7 Sun J, Jin Z, Chang H, et al. Journal of Building Engineering, 2024, 84, 108591. 8 Wang J B, Zhang K F, Zheng K H, et al. Materials Reports, 2024, 38(18), 71(in Chinese). 王家滨, 张凯峰, 郑康华, 等. 材料导报, 2024, 38(18), 71. 9 Yue G, Ma Z, Liu M, et al. Construction and Building Materials, 2020, 245, 118419. 10 Guo X. Analysis of ion transport characteristics in recycled aggregate concrete based on percolation theory. Master’s Thesis, Qingdao University of Technology, China, 2023 (in Chinese). 郭欣. 基于逾渗理论的再生混凝土离子传输特征分析. 硕士学位论文, 青岛理工大学, 2023. 11 Gao S, Guo X, Ban S, et al. Journal of Materials Research and Technology, 2023, 272615. 12 Guo J, Gao S, Liu A, et al. Case Studies in Construction Materials, 2024, 20e02774. 13 Chen W Z, Jiao C J, Zhang X C, et al. Structures, 2023, 58, 105388. 14 Bao J W, Zhang Z J, Zhang P, et al. Materials Reports, 2021, 35(7), 7087(in Chinese). 鲍玖文, 庄智杰, 张鹏, 等. 材料导报, 2021, 35(7), 7087. 15 He H Z, Liu J, Yang S J, et al. Concrete and Cement Products, 2000(3), 7(in Chinese). 贺鸿珠, 刘军, 杨胜杰, 等. 混凝土与水泥制品, 2000(3), 7. 16 Zhang Z J. Study on the chloride ion erosion mechanism of cement-based materials in natural sea exposure and artificially simulated tidal zones. Master’s Thesis, Qingdao University of Technology, China, 2021(in Chinese). 庄智杰. 实海暴露和人工模拟潮汐区水泥基材料氯离子侵蚀机理研究. 硕士学位论文, 青岛理工大学, 2021. 17 Chen J. numerical simulation of permeability for silicone rubber-carbon black composites based on MATLAB. Master’s Thesis, Wuhan University of Science and Technology, China, 2019(in Chinese). 陈俊. 基于MATLAB的硅橡胶-炭黑复合材料的逾渗数值模拟. 硕士学位论文, 武汉科技大学, 2019. 18 Liu Y, Qin Z, Chen B, et al. Construction and Building Materials. 2020, 231, 117131. 19 Gao S, Guo J, Gong Y, et al. Case Studies in Construction Materials, 2020, 16, e01034. 20 Huang X, Yang D, Kang Z. Physica A, 2021, 570, 125800. 21 Shahid M I, Xiong N N, Ren J. Results in Physics, 2023, 46, 106275. 22 Wang J F. Monte Carlo study of the over-permeation model. Master’s Thesis, National University of Defense Technology, China, 2013(in Chinese). 王俊峰. 逾渗模型的蒙特卡罗研究. 硕士学位论文, 国防科学技术大学, 2013. 23 Wu Y, Xiang Q D, Jiang Y Q, et al. Concrete and Cement Products, 2014(9), 59(in Chinese). 吴叶, 相秋迪, 蒋亚清, 等. 混凝土与水泥制品, 2014(9), 59. 24 Zhao J X, Li J W, Xia X J, et al. China Harbour Engineering, 2023, 43(10), 55(in Chinese). 赵俊先, 李军伟, 夏旭江, 等. 中国港湾建设, 2023, 43(10), 55. 25 Gao S, Guo Y X, Wu B Q, et al. Concrete, 2019(6), 78 (in Chinese). 高嵩, 郭远新, 吴本清, 等. 混凝土, 2019(6), 78.
渝公网安备50019002502923号 版权所有：《材料导报》编辑部
2025, Vol. 39 
