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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 $6{\sim}32^{\circ}C$ and the result can be obtained within 5% of the coefficient of variation.
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참고문헌 (6)
참고문헌 신청
American Concrete Pavement Association / 2008 / Guide to concrete overlays: Sustainable for Resurfacing and Rehabliltating Existing Pavement, Second Edition, ACPA Publication TB021.02P
홍건호 / 2003 / 콘크리트 직접인장강도의 세장비 효과 / 콘크리트학회 논문집 15(2):246~253
Jang, H. K. / 2002 / Proposal of bond strength evaluation method for bridge deck overlay, Korea Concrete Institute / Journal of 2002 Spring Conference :349~354
Kim, H. S. / 1999 / Size Effect of Compressive Strength of Concrete for the Cylindrical Specimens Considering Strength Level / Journal of the Korea Concrete Institute 12(2)
Kim, S. W. / 2002 / Appropriate Method of Concrete Pull-out Test for Measure Bond Strength between New and Existing Concrete / Journal of 2002 autumn Conference :133~138
홍건호 / 2003 / 콘크리트 직접인장강도의 세장비 효과 / 콘크리트학회 논문집 15(2):246~253
Jang, H. K. / 2002 / Proposal of bond strength evaluation method for bridge deck overlay, Korea Concrete Institute / Journal of 2002 Spring Conference :349~354
Kim, H. S. / 1999 / Size Effect of Compressive Strength of Concrete for the Cylindrical Specimens Considering Strength Level / Journal of the Korea Concrete Institute 12(2)
Kim, S. W. / 2002 / Appropriate Method of Concrete Pull-out Test for Measure Bond Strength between New and Existing Concrete / Journal of 2002 autumn Conference :133~138
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