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Title |
A Study on the Durability Evaluation Criteria for the Vertical Extension Remodeling of Apartment
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Authors |
윤상천(Sang-Chun Yoon) ; 신동철(Dong-Cheol Shin) |
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DOI |
https://doi.org/10.11112/jksmi.2020.24.6.197 |
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Keywords |
수직 증축형 리모델링; 콘크리트 내구성; 평가기준; 콘크리트 탄산화; 철근 부식; 균열; 표면열화 Extension remodeling; Durability of concrete; evaluation criteria; carbonation; Steel corrosion; Crack; Surface deterioration of concrete |
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Abstract |
In 2014, The Housing Act amended to allows vertical extension and increases the units of housing (or total floor area) to site. Currently, the feasibility of performing vertical extension is evaluated based on safety diagnosis provisions and manuals with 1st investigation stage on slope, uneven settlement, load-bearing capacity, and durability. However, a need for more reasonable evaluation criteria for the investigation is still required because there had not been any other case study on the diagnosis for the vertical extension, and the engineering basis on evaluation criteria were not suggested. Accordingly, this study is intended to suggest feasible evaluation criteria on the carbonation, chloride ion contents, corrosion of reinforcements, crack and surface deterioration of concrete for durability assessment by codes and standards of domestic and foreign countries. The results of this study are expected to be beneficial for establishing more reasonable durability evaluation criteria, and in turn, more reliable assessment protocol for vertical extension.
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