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Jae-Hong Park,Takuya Hasegawa,Osamu Senbu,Dong-Cheon Park 한국콘크리트학회 2012 International Journal of Concrete Structures and M Vol.6 No.3
In order to predict the neutralization of concrete which is the reaction of carbonation dioxide from the outside and cement hydration product, such as calcium hydroxide and C?S?H, it was studied the numerical analysis method considering change of the pore structure and relative humidity during the neutralization reaction. Diffusion?reaction neutralization model was developed to predict the neutralization depth of concrete with coating finishing material. In order to build numerical analysis models considering outdoor environment and finishing materials, the adaption of proposed model was shown the results of existing outdoor exposure test results and accelerated carbonation test.
Park, Jae-Hong,Hasegawa, Takuya,Senbu, Osamu,Park, Dong-Cheon Korea Concrete Institute 2012 International Journal of Concrete Structures and M Vol.6 No.3
In order to predict the neutralization of concrete which is the reaction of carbonation dioxide from the outside and cement hydration product, such as calcium hydroxide and C-S-H, it was studied the numerical analysis method considering change of the pore structure and relative humidity during the neutralization reaction. Diffusion-reaction neutralization model was developed to predict the neutralization depth of concrete with coating finishing material. In order to build numerical analysis models considering outdoor environment and finishing materials, the adaption of proposed model was shown the results of existing outdoor exposure test results and accelerated carbonation test.
옥외 폭로 10년의 결과에 기초한 마감 재료의 중성화 및 염분 억제 효과 검토
박재홍 ( Jae Hong Park ),하세가와타쿠야 ( Hasegawa Takuya ),오사무센부 ( Osamu Senbu ),오상균 ( Sang Gyun Oh ),박동천 ( Dong Choen Park ) 한국건축시공학회 2011 한국건축시공학회 학술발표대회 논문집 Vol.11 No.1
Finishing materials used during the construction of reinforced concrete structures aid in providing resistance to carbonation and help ensure the durability of a structure. However, detailed examinations of this phenomena using data gained from long-term outdoor exposure are not only lacking, but also are not taken into account as factors affected by the local environment. In this research, the velocity coefficient in terms of carbonation is compared as a difference according to the local region and the averaged annual temperature, and the carbonation-preventive effects of finishing materials are analyzed. As an outcome of this study, the results of long-term carbonation can be evaluated from carbonation resistance R induced by an acceleration carbonation test.