时间: 2025-04-22 | 次数: |
田伟辰,刘祥龙,王信刚,等.水泥基材料欧姆热养护研究进展综述[J].河南理工大学学报(自然科学版),doi:10.16186/j.cnki.1673-9787.2024120008.
TIAN W C, LIU X L, WANG X G, et al. Research progress on ohmic heating curing for cement-based materials: A review[J]. Journal of Henan Polytechnic University (Natural Science), doi:10.16186/j.cnki.1673-9787.2024120008.
水泥基材料欧姆热养护研究进展综述(网络首发)
田伟辰,刘祥龙,王信刚,邹府兵,曹文湘
南昌大学 工程建设学院,江西 南昌 330031
摘要: 意义 欧姆热养护是一种新型水泥基材料养护方法,利用水泥基材料自身的导电特性进行养护,借助电流流经水泥基材料产生的欧姆热提高材料温度,促进强度快速形成。相较于其他养护方法,欧姆热养护法的研究仍处于初期阶段,为了帮助研究人员更好地了解该方法在水泥基材料养护方面的应用,本文综述了欧姆热养护水泥基材料的性能发展规律。 进展 欧姆热养护是一种高效的水泥基材料养护方法,能够在各类复杂环境下提高水泥基材料的力学强度和水化程度。水泥基导电材料在欧姆热养护下表现出更高的养护效率,因为导电填料的使用能够显著改善水泥基材料的电热学性能,为欧姆热养护创造基本条件。另外,欧姆热养护水泥基材料在长期养护后仍然具有自感知特性,为其在养护-服役全过程的高效多功能使用奠定了基础。结论与展望 欧姆热养护能够在极端环境下实现水泥基导电材料的快速高质制备,而且还有望突破高性能混凝土的现场制造难题。欧姆热养护表现出效率高、能耗低、操作简便等优点,为混凝土在各种环境下的智能建造、健康检测及抢修抢建提供了新的思路,具有广阔应用前景。但是欧姆热养护在结构层面的应用仍然处于初级阶段,而且欧姆热养护水泥基导电材料的多功能性仍有进一步开发的空间。
关键词:欧姆热养护;电阻率;力学性能;水泥基导电材料;正负温环境
doi: 10.16186/j.cnki.1673-9787. 2024120008.
基金项目:国家重点研发计划项目(2018YFC0604502)
收稿日期:2024-12-4
修回日期:2025-02-14
网络首发日期:2025-04-22
Research progress on ohmic heating curing for cement-based materials: A review (Online)
TIAN Weichen, LIU Xianglong, WANG Xingang, ZOU Fubing, CAO Wenxiang
School of Infrastructure Engineering, Nanchang University, Nanchang 330031, Jiangxil, China
Abstract: Significance Ohmic heating (OH) curing is a novel method for cement-based materials that utilizes the electrical conductivity of the materials for curing. The temperature of the materials can be increased as the electric current passing through the mateial will generate ohmic heating, resulting in the rapid strength formation. Compared to other curing methods, research on OH curing is still in the early stage. To help researchers better understand the application of this method in the curing of cement-based materials, this article reviews the performance development patterns of OH cured cement-based materials. Progress OH curing is an efficient method for the fabrication of cement-based materials, which can improve the mechanical strength and hydration degree of cement-based materials in complex environments. Cement-based conductive materials exhibit higher curing efficiency under OH curing, because the use of conductive fillers can significantly enhance the electro-thermal properties for the materials. Additionally, OH cured cement-based materials still possess self-sensing characteristics after long-term curing, laying the foundation for their efficient and multifunctional use throughout the curing-service process. Conclusion and Prospects OH curing can achieve the rapid and high-quality fabrication of cement-based conductive materials in extreme environments, and is promising to address the issue of on-site fabrication for high-performance concrete. OH curing demonstrates advantages such as high efficiency, low energy consumption, and simple operation. It provides new ideas for the intelligent construction, health monitoring, and emergency repair of concrete, with broad application prospects. However, its application at the structural level is still in the initial stage, and its multifunctionality still has room for further development.
Key words: Ohmic heating curing; resistivity; mechanical properties; cementitious conductive materials; Positive and negative temperature environment