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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.19 No.4
- 발행연도
- 2017.1
- 수록면
- 387 - 394 (8page)
이용수
초록· 키워드
오류제보하기
To study the effects of water-cement ratio changes and cracks on chloride ion transmission rate in cracked concrete, RCM method was adopted to accelerate the diffusion of chloride ion in cracked concrete, and the changes in chloride ion concentration and around the cracks are inferred by finite-element method. The test results show that as far as prefabricated cracks on concrete components are concerned, the width thresholds of two cracks on the concrete specimens with a water-cement ratio of 0.5 and 0.6 are 0.05 mm and 0.1 mm respectively, the width threshold of two cracks on the concrete specimens with a water-cement ratio of 0.4 is 0.05 mm and 0.2 mm respectively; and the results of numerical simulation show that the smaller the water-cement ratio is, the more significant effects of cracks on chloride ion transmission rate are. As a result, more attention shall be paid to the crack prevention, repairing and strengthening for high-strength concrete.
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참고문헌 (32)
참고문헌 신청
1999 / Standard Test Method for Water-Soluble Chloride in Mortar and Concrete / ASTM C 1218M-99
Baradaran, S. M. / 2013 / Seismic loss estimation of non-ductile reinforced concrete buildings / Earthq. Eng. Struct. Dyn. 42(2):297~310
1988 / Testing Concrete-Part 124: Method for Analysis of Hardened Concrete / BS1881-124
Djerbi, A. / 2008 / Influence of traversing crack on chloride diffusion into concrete / Cement Concrete Res. 38(6):877~883
Du, X. L. / 2015 / Effect of cracks on concrete diffusivity : A meso-scale numerical study / Ocean Eng. 108:539~551
Baradaran, S. M. / 2013 / Seismic loss estimation of non-ductile reinforced concrete buildings / Earthq. Eng. Struct. Dyn. 42(2):297~310
1988 / Testing Concrete-Part 124: Method for Analysis of Hardened Concrete / BS1881-124
Djerbi, A. / 2008 / Influence of traversing crack on chloride diffusion into concrete / Cement Concrete Res. 38(6):877~883
Du, X. L. / 2015 / Effect of cracks on concrete diffusivity : A meso-scale numerical study / Ocean Eng. 108:539~551
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