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콘크리트의 형상비 및 온도변화에 따른 부착강도 특성평가 KCI 등재

Evaluation of Bond Strength Properties with Changing the Aspect Ratio and Temperature of Concrete

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한국도로학회논문집 (International journal of highway engineering)
한국도로학회 (Korean Society of Road Engineers)
초록

PURPOSES : The main purpose of this study is suggest of field bond strength evaluation method for more objective evaluation method through Evaluation of Bond Strength Properties with changing aspect ratio and temperature.
METHODS : The evaluation is laboratory bond strength test. Using the core machine, the pull-off test method ; the bond strength test of interface layer the universal testing machine. RESULTS: As a result of the laboratory bond strength evaluation, it was verified that the bond strength by aspect ratio decreases linearly with increasing aspect ratio and the bond strength properties by temperature change existed at high and low temperature condition relative to odinary temperature condition.
CONCLUSIONS: According to the results of laboratory bond strength evaluation, the field bond strength evaluation results suggest applying the proposed correction factor (0.8, 1.0, 1.4, 1.9) according to aspect ratio(0.5, 0.1, 1.5, 2.0), For more objective evaluation of the bond strength, it is analyzed that the evaluation value is within 6 ~ 32℃ and the result can be obtained within 5% of the coefficient of variation.

목차
ABSTRACT
 1. 서론
 2. 국내₩외 부착강도 평가기준 및 평가방법
  2.1 국외 부착강도 평가기준
  2.2. 국내 부착강도 평가기준
  2.3. 부착강도 평가방법
  2.4. 국내 연구 동향
 3. 단면변화에 따른 부착성능 평가
  3.1. 시험변수 선정
  3.2. 실내 부착강도 평가결과
 4. 형상비 효과 재검증 및 보정계수 제안
  4.1. 형상비 효과 재검증
  4.2. 형상비 효과 재검증 평가결과
  4.3. 형상비 효과에 따른 보정계수 제안
   4.3.1. 개요
   4.3.2. 형상비 효과에 따른 부착강도 평가결과
 5. 온도변화에 따른 부착강도 특성 평가
  5.1. 개요
  5.2. 시험방법
  5.3. 시험결과
 6. 결론
 감사의 글
 REFERENCES
저자
  • 김현석(㈜한국건설품질시험연구원 R&D연구실 부장) | Kim, Hyun Seok
  • 정원경(㈜한국건설품질시험연구원 대표이사) | Jung, Won Kyong
  • 오한진(한국도로공사 도로교통연구원 박사후연수자) | Oh, Han Jin 교신저자
  • 박준영(한국도로공사 도로교통연구원 선임연구원) | Park, Jun Young
  • 김형배(한국도로공사 도로교통연구원 수석연구원) | Kim, Hyung Bae