지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Corrosion of reinforcing steel bars is a major concern for ocean engineers when reinforced concrete structures are exposed to marine environments. Evaluating the degree of corrosion and corrosion-induced defects is extremely necessary to pursue a proper retrofit or rehabilitation plan for reinforced concrete structures. A promising inspection should be carried out for the evaluation, otherwise the retrofit or rehabilitation process would be useless. Nowadays, ultrasonic guided wave-based inspection techniques become quite promising for the inspection, mainly because of their long-range propagation capability and their sensitivity to different types of defects or conditions. Evaluating how the guided waves response to the different types of defects or conditions is quite challenging and important. This study shows how surface conditions of reinforcing bars and a corrosion-induced defect, separation, affect guided wave propagation in reinforced concrete. Experiments and associated signal analysis show the sensitivity of guided waves to the surface conditions, as well as the amounts of separation at the interface between concrete and steel bar.
목차
ABSTRACT
1. Introduction
2. Hybrid Sensing
3. Signal Analysis
4. Summary and Conclusion
Acknowledgement
References
참고문헌 (30)
참고문헌 신청
, 2003 , Comparative Studies of the Seawater Corrosion Behavior of a Range of Materials 158 : 35 ~ 42
, 2005 , Detection and Identification of Concrete Cracking During Corrosion of Reinforced Concrete by Acoustic Emission Coupled to the Electrochemical Techniques 38 : 682 ~ 689
, 1999 , A Novel Interpenetrating Polymer Network Coating for the Protection of Steel Reinforcement in Concrete 29 : 1541 ~ 1548
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, 2003 , Corrosion Protection Investigation of Reinforcement by Inorganic Coating in the Presence of Alkanolamine-Based Inhibitor 25 : 371 ~ 377
, 2005 , Detection and Identification of Concrete Cracking During Corrosion of Reinforced Concrete by Acoustic Emission Coupled to the Electrochemical Techniques 38 : 682 ~ 689
, 1999 , A Novel Interpenetrating Polymer Network Coating for the Protection of Steel Reinforcement in Concrete 29 : 1541 ~ 1548
, 2005 , Corrosion of Steel Reinforcement due to Atmospheric Pollution 27 : 269 ~ 275
, 2003 , Corrosion Protection Investigation of Reinforcement by Inorganic Coating in the Presence of Alkanolamine-Based Inhibitor 25 : 371 ~ 377
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UCI(KEPA) : I410-ECN-0101-2009-559-017668927