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Comparison Study on Nondestructive Strength Equation Based on Probability for Bridges
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확률론적 방법을 적용한 도로교량의 비파괴 압축강도식 평가

논문 기본 정보

Type
Academic journal
Author
Kim, Hun-Kyom (서울특별시청 도로시설과)
Journal
Korean Society of Road Engineers 한국도로학회논문집 한국도로학회논문집 제20권 제3호 KCI Accredited Journals
Published
2018.1
Pages
39 - 46 (8page)

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Comparison Study on Nondestructive Strength Equation Based on Probability for Bridges
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PURPOSES: This study is to estimate nondestructive strength equation based on probability for bridges using field test data. METHODS : In this study, a series of the field inspection and the test have been performed on 297 existing bridges, in order to evaluate the bridges, based on the test results of the in-depth inspection, and the estimated strengths by means of the nondestructive strength equations are analyzed and compared with results of the core specimen strengths. RESULTS : According to results of analyses, In case of standard design compressive strength of concrete is 18MPa, 21MPa, similar reliability of RILEM equation were 0.89~0.90, but in case of standard design compressive strength of concrete is 35MPa, 40MPa were 0.4~0.56. According to standard design compressive strength of concrete is 40MPa, similar reliability of ultrasonic pulse velocity method equation were 0.56. CONCLUSIONS :RILEM equation had high similar reliability than other equation in case of standard design compressive strength of concrete is 18MPa, 21MPa, but had low similar reliability than other equation in case of standard design compressive strength of concrete is 35MPa, 40MPa. and ultrasonic pulse velocity method equation had low similar reliability than other equation in case of standard design compressive strength of concrete is 40MPa.
#nondestructive strength equation #similar reliability #probability #compressive strength of concrete

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References (10)

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Jo, H. N. / 2008 / Structure reliability of engineering, goomi book google schola Kim, G. H. / 2007 / The reliability for the estimated strength by the ultrasonic pulse velocity :31~43 google schola 김훈겸 / 2010 / 환경 조건에 따른 교량구조물의 탄산화 현황 및 내구수명 예측 / 한국구조물진단유지관리공학회 논문집 14(4):126~132 dbpia 김민욱 / 2016 / 표면반발경도와 초음파 속도를 활용한 고강도 콘크리트 압축강도 추정 / 한국구조물진단유지관리공학회 논문집 20(2):1~9 dbpia KISTEC / 2011 / Guideline of Precise Inspection for Safety and Diagnosis / Common :12~56 google schola

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