苏州混凝土水泥制品研究院有限公司

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磷酸镁水泥在工程结构中的修复加固研究进展
Research Progress of Repairing and Strengthening for Engineering Structures with Magnesium Phosphate Cement
2022年第3期
磷酸镁水泥;修复;加固;防锈;凝结时间;黏结性能;流动性
Magnesium phosphate cement; Repair; Consolidation; Rust prevention; Setting time; Bonding performance; Fluidity of MPC
2022年第3期
10.19761/j.1000-4637.2022.03.034.06
国家自然科学基金项目(51472163、51172146)。
胡 玥1,2,3,郑淑清1,2,3,方 媛1,2,丁 铸1,2
1.深圳大学 土木与交通工程学院,广东 深圳 518061;2.广东省滨海土木工程耐久性重点实验室,广东 深圳 518061;3.中澳BIM与智慧建造联合研究中心,广东 深圳 518061

胡 玥1,2,3,郑淑清1,2,3,方 媛1,2,丁 铸1,2

胡玥,郑淑清,方媛,等.磷酸镁水泥在工程结构中的修复加固研究进展[J].混凝土与水泥制品,2022(3):34-38,55.

HU Y,ZHENG S Q,FANG Y,et al.Research Progress of Repairing and Strengthening for Engineering Structures with Magnesium Phosphate Cement[J].China Concrete and Cement Products,2022(3):34-38,55.

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摘   要:综述了近年来磷酸镁水泥(MPC)作为修复加固材料的研究进展,介绍了在工程结构中MPC的修复、加固及防锈作用,并解释了其修复、加固作用的原理及应用效果,还指出了目前存在的问题和今后的研究趋势。 Abstract: The research progress of magnesium phosphate cement (MPC) as a repair and reinforcement material in recent years is reviewed, and the repair, reinforcement and rust prevention of MPC in engineering structures are introduced, and the principle and application effect of its repair and reinforcement are introduced.  In addition, current problems and future research trends are put forward.
英文名 : Research Progress of Repairing and Strengthening for Engineering Structures with Magnesium Phosphate Cement
刊期 : 2022年第3期
关键词 : 磷酸镁水泥;修复;加固;防锈;凝结时间;黏结性能;流动性
Key words : Magnesium phosphate cement; Repair; Consolidation; Rust prevention; Setting time; Bonding performance; Fluidity of MPC
刊期 : 2022年第3期
DOI : 10.19761/j.1000-4637.2022.03.034.06
文章编号 :
基金项目 : 国家自然科学基金项目(51472163、51172146)。
作者 : 胡 玥1,2,3,郑淑清1,2,3,方 媛1,2,丁 铸1,2
单位 : 1.深圳大学 土木与交通工程学院,广东 深圳 518061;2.广东省滨海土木工程耐久性重点实验室,广东 深圳 518061;3.中澳BIM与智慧建造联合研究中心,广东 深圳 518061

胡 玥1,2,3,郑淑清1,2,3,方 媛1,2,丁 铸1,2

胡玥,郑淑清,方媛,等.磷酸镁水泥在工程结构中的修复加固研究进展[J].混凝土与水泥制品,2022(3):34-38,55.

HU Y,ZHENG S Q,FANG Y,et al.Research Progress of Repairing and Strengthening for Engineering Structures with Magnesium Phosphate Cement[J].China Concrete and Cement Products,2022(3):34-38,55.

摘要
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引用本文

摘   要:综述了近年来磷酸镁水泥(MPC)作为修复加固材料的研究进展,介绍了在工程结构中MPC的修复、加固及防锈作用,并解释了其修复、加固作用的原理及应用效果,还指出了目前存在的问题和今后的研究趋势。

Abstract: The research progress of magnesium phosphate cement (MPC) as a repair and reinforcement material in recent years is reviewed, and the repair, reinforcement and rust prevention of MPC in engineering structures are introduced, and the principle and application effect of its repair and reinforcement are introduced.  In addition, current problems and future research trends are put forward.

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(1)MPC对破损混凝土结构的修补可通过材料配合比优化、使用缓凝剂等方法调节MPC早期水化反应,控制凝结时间及流动性,以满足结构修补所需的工作性与力学性能要求,充分发挥MPC与混凝土的黏结性能。
(2)MPC作为结构胶具有良好的黏结性能,可对结构进行灌浆、罩面、植筋锚固,还可以贴纤维材料进行加固,保证在火场等高温环境中,维持加固结构的使用时间。
(3)MPC对钢筋存在特殊保护机制,在严酷环境条件下可防止钢筋锈蚀的发展;  MPC-CFRP应用于ECE技术作为阳极可以有效减少Cl-对钢筋锈蚀的影响,并起到加固作用,但在一定程度上对混凝土的黏结性能产生不利影响。
(4)虽然MPC作为工程修复加固材料的研究取得了一定的进展,但是目前还未形成较为成熟的理论体系,也未得到大规模应用。对结构修复加固长期效果的研究相对较少,在修补后期MPC与原结构黏结耐久性能的研究存在空白,且针对特殊施工环境下(海洋、核工程抢修)的工作性也缺少系统性研究。在未来研究中,应考虑MPC修复加固材料的力学性能与工作性对原材料等各项参数进行综合优化,深入研究各因素对MPC修复加固长期效果的影响,并对已有修复加固技术进行改进,以实现未来MPC在工程修复加固中的广泛应用。

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胡玥,郑淑清,方媛,.磷酸镁水泥在工程结构中的修复加固研究进展[J].混凝土与水泥制品,2022(3):34-38,55.

HU Y,ZHENG S Q,FANG Y,et al.Research Progress of Repairing and Strengthening for Engineering Structures with Magnesium Phosphate Cement[J].China Concrete and Cement Products,2022(3):34-38,55.

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