Identyfikatory
Warianty tytułu
Języki publikacji
Abstrakty
In addressing the concerns regarding structural performance degradation and diminished service life resulting from concrete crack formation during utilization, this study has developed a cement-based self-healing material. This material utilizes a composite complexing agent composed of tartaric acid derivatives, sodium hexametaphosphate, ethylenediaminetetraacetic acid tetrasodium salt, and vinyl acetate-ethylene redispersible latex powder. The material composition was optimized, and its self-healing performance and mechanism were systematically studied. The findings indicated that when the composite complexing agent content was set at 6% by mass of cement, there was a substantial decrease in the porosity, from 34.2% to 14.2%. In comparison with the control group, specimens with a 6% composite complexing agent exhibited an 8.3 MPa increase in compressive strength and a substantial enhancement in crack sealing, with a rate increase from 73.1% to 99.7%, following 28 days of water curing.
Czasopismo
Rocznik
Tom
Strony
17--27
Opis fizyczny
Bibliogr. 38 poz., rys., tab., wykr., wz.
Twórcy
autor
- Division of Logistics and Infrastructure, Sichuan International Studies University, Chongqing, China
autor
- State Key Laboratory of Coal Mine Disaster Prevention and Control, Chongqing, China
- CCTEG Chongqing Research Institute, Chongqing, China
autor
- State Key Laboratory of Coal Mine Disaster Prevention and Control, Chongqing, China
- CCTEG Chongqing Research Institute, Chongqing, China
Bibliografia
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- 14. Qian, H., Umar, M., Nasir Ayaz Khan, M., Shi, Y., Manan, A., Raza, A., Li, F., Li, Z. & Chen, G. (2024). A state-of-the-art review on shape memory alloys (sma) in concrete: Mechanical properties, self-healing capabilities, and hybrid composite fabrication. Mater. Today Commun., 40, 109738. DOI: 10.1016/j.mtcomm.2024.109738.
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- 21. Wang, R., Yu, J., Gu, S., He, P., Han, X. & Liu, Q. (2020). Investigation of self-healing capability on surface and internal cracks of cement mortar with ion chelator. Constr. Build. Mater., 236, 117598. DOI: 10.1016/j.conbuildmat.2019.117598.
- 22. Wang, R., Yu, J., Liu, Q., Kuang, D. & Qiu, H. (2023). Synergistic effect of ion chelating agent and magnesium fluorosilicate on self-repairing ability and microstructure of mortar. Constr. Build. Mater., 383, 131375. DOI: 10.1016/j. conbuildmat.2023.131375.
- 23. Zeng, C. (2007). Preparation and performance study of cement-based crystalline waterproofing agent (Master, Chongqing University).
- 24. Ren, Q., Wang, Q., Wu, Z., Liu, J., Xu, H.-Q., Wang, A., Zhang, X., Zhang, Z. & Ding, Y. (2024). Research on the properties of crystalline admixtures: Self-healing healing materials for concrete from multiple perspectives. Constr. Build. Mater., 453, 139047. DOI: 10.1016/j.conbuildmat.2024.139047.
- 25. Zhang, C. (2022). Study on the self-healing performance of cementitious materials based on ion chelating agents (Ph.D, Harbin Institute of Technology).
- 26. Xia, X. (2022). Research on water self-healing agents for microcracks in oil well cement stone (Master, SouthWest Petroleum University).
- 27. Zhang, C., Ye, J., Liu, C., Guan, X., Li, J., Chen, X. & Yuan, J. (2024). Influence of various ion chelators on mechanical, transport and microstructure properties of cement-based materials. Case Stud. Constr. Mater., 21, e03709. DOI: 10.1016/j. cscm.2024.e03709.
- 28. Peng, Z., Xia, X., Feng, Q., Zheng, Y., Yu, C., Yang, Q. & Liu, X. (2022). Performance of permeable crystalline self-healing agent onmicro-cracks of oil well cement. Arab. J. Sci. Eng., 47 (5), 6073–6084. DOI: 10.1016/j.conbuildmat.2024.139047.
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- 33. Wang, Y. (2001). Study on the composition, structure, shrinkage, and compensation of ultra-high-strength and high-performance concrete (Master, Chongqing University).
- 34. Lothenbach, B., Le Saout, G., Haha, M. B., Figi, R. & Wieland, E. (2012). Hydration of a low-alkali cem iii/b–sio2 cement (lac). Cement and Concrete Res., 42 (2), 410–423. DOI: 10.1016/j.cemconres.2011.11.008.
- 35. El-Diadamony, H., Amer, A. A., Sokkary, T. M. & El-Hoseny, S. (2018). Hydration and characteristics of metakaolin pozzolanic cement pastes. HBRC Journal, 14 (2), 150–158. DOI: 10.1016/j.hbrcj.2015.05.005.
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- 37. Guan, W., Ji, F., Chen, Q., Yan, P. & Pei, L. (2013). Synthesis and enhanced phosphate recovery property of porous calcium silicate hydrate using polyethyleneglycol as pore-generation agent. Materials, 6 (7), 2846–2861. DOI: 10.3390/ma6072846.
- 38.Tchekwagep Jean Jacques, K., Fengzhen, Y., Shoude, W., Piqi, Z., Shifeng, H. & Xin, C. (2023). Analysis of the phases and functions of the various compounds of calcium sulfoaluminate cement after exposure to high temperature. J. Mater. Res. Technol., 25, 4154–4170. DOI: 10.1016/j.jmrt.2023.06.215.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-61c979a2-b165-47d5-8277-9303994d7517
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