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Non-Destructive Evaluation for Corrosion Monitoring in Concrete: A Review and Capability of Acoustic Emission Technique

机译:混凝土腐蚀监测的无损评估:声发射技术的回顾与能力

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摘要

Corrosion of reinforced concrete (RC) structures has been one of the major causes of structural failure. Early detection of the corrosion process could help limit the location and the extent of necessary repairs or replacement, as well as reduce the cost associated with rehabilitation work. Non-destructive testing (NDT) methods have been found to be useful for in-situ evaluation of steel corrosion in RC, where the effect of steel corrosion and the integrity of the concrete structure can be assessed effectively. A complementary study of NDT methods for the investigation of corrosion is presented here. In this paper, acoustic emission (AE) effectively detects the corrosion of concrete structures at an early stage. The capability of the AE technique to detect corrosion occurring in real-time makes it a strong candidate for serving as an efficient NDT method, giving it an advantage over other NDT methods.
机译:钢筋混凝土(RC)结构的腐蚀已成为结构破坏的主要原因之一。腐蚀过程的早期检测可以帮助限制必要的维修或更换的位置和程度,并减少与修复工作相关的成本。已发现无损检测(NDT)方法可用于RC中钢筋锈蚀的现场评估,其中可以有效评估钢筋锈蚀的影响和混凝土结构的完整性。本文介绍了用于研究腐蚀的NDT方法的补充研究。在本文中,声发射(AE)可以在早期阶段有效地检测混凝土结构的腐蚀。 AE技术具有实时检测腐蚀发生的能力,使其成为有效的NDT方法的有力候选者,这使其比其他NDT方法更具优势。

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