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An Experimental Study on the Application of LIBS for the Diagnosis of Concrete Deterioration
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콘크리트 열화 진단의 LIBS 적용을 위한 실험적 연구

논문 기본 정보

Type
Academic journal
Author
Journal
한국구조물진단유지관리공학회 한국구조물진단유지관리공학회 논문집 한국구조물진단유지관리공학회 논문집 제21권 제6호 KCI Accredited Journals
Published
2017.1
Pages
140 - 146 (7page)

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An Experimental Study on the Application of LIBS for the Diagnosis of Concrete Deterioration
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It is laser induced breakdown spectroscopy(LIBS) that enables qualitative and quantitative analysis of the elements contained in unknown specimen by comparing the wavelength characteristics of each element obtained from the spectral analysis of the standard specimen with the wavelength analysis results from unknown specimens. In this study, the applicability of LIBS to the analysis of major deterioration factors affecting concrete durability was experimentally analyzed. That is, the possibility of applying LIBS to the diagnosis of concrete deterioration by studying the quantitative detection of harmful deteriorating factors on chloride, sulfate and carbonated mortar specimens using LIBS was studied. As a result of LIBS test for each chloride and sulfate specimen, the LIBS spectral wavelength intensity of chlorine and sulfur ions increased linearly with increasing concentration. Carbon ion LIBS spectral wave intensities of carbonated specimens increased nonlinearly over the duration of carbonation exposure. From the above results, it can be partially confirmed that LIBS can be applied to the diagnosis of concrete deterioration. In case of concrete carbonation, it is presumed that carbon content is contained in the cement itself and is different from the detection of chloride and sulfate specimen. Therefore, it is considered that more various parameter studies should be performed to apply LIBS to concrete carbonation.
#탄산화 #염화물 #콘크리트 열화 진단 #레이저유도분광분석법 #황산염 #Carbonation #Chloride #Concrete deterioration diagnosis #LIBS #Sulfate

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References (10)

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Cho, Y. H. / 2004 / A status of the art report for laser-induced breakdown spectroscopy (LIBS) : 1 ~ 9 google schola Friederike Weritz / 2009 / Detailed depth profiles of sulfate ingress into concrete measured with laser induced breakdown spectroscopy / Construction and Building Materials 2 google schola Gondal, M. A. / 2011 / Detection of sulfur in the reinforced concrete structures using a dual pulsed LIBS system / Optics & Laser Technology 44 (3) : 566 ~ 571 google schola KISTEC / 2010 / Detailed Safety Inspection and Precision Safety Diagnosis instructions (Waterworks) : 5 ~ 86 google schola Kang, W. G. / 2011 / Elemental analysis using laser-induced breakdown Spectroscopy (LIBS) / News & Information for Chemical Engineers 29 (4) : 460 ~ 464 google schola

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