http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
공극비 변화를 고려한 포화상태 콘크리트의 염화이온침투해석
김진용 ( Kim¸ Chin-yong ),김진근 ( Kim¸ Jin-keun ) 한국구조물진단유지관리공학회 2002 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.6 No.2
In Structures exposed to marine environments and de-icing salts, chloride induced corrosion of reinforcing steel may be the major problem for durability. To assess the service life of structures in such condition, it is very important to calculate the chloride ion profile accurately. In this study, porosity ratio is expressed as a function of unit cement content, water/cement ratio and degree of hydration, and analytic model considering the porosity change due to age is introduced. Using this model, three different mixes of concrete are considered to calculate chloride ion profiles at 3 month, 5 year, 10 year and the results are compared with the constant porosity model’s result. Results show that using more unit cement content lowers the chloride penetration depth. Compared with this study's model, constant porosity model (using 28 day's porosity) underestimates the chloride penetration depth at the early ages (before 3-4month) and overestimates after that ages.