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인장주근의 부식위치 및 형태가 철근 콘크리트 보의 내력성상에 미치는 영향에 관한 연구
신상헌(Shin Sang-Heon),이한승(Lee Han-Seung),경제운(Kyung Je-Woon) 대한건축학회 2007 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.27 No.1
There are the reasons of deterioration in reinforced concrete structures such as carbonation, rebar corrosion, and cracks. Especially rebar corrosion is the most important reason of deterioration in RC structures. Because rebar corrosion decrease the load bearing capacity of RC structures, it needs to evaluate deterioration of the load bearing capacity of structural members due to rebar corrosion. So, this study checked up deterioration in RC beam by rebar corrosion in each section of beam. Therefore this study examined the relation between degree of rebar corrosion and load bearing capacity of RC beams by the durability test with the section corroded beams and compared between experiment results and other studies.
신상헌(Sang Heun Shin) 한국소비자학회 2002 소비자학연구 Vol.13 No.1
Rational consumption among Korean workers is investigated in this paper through a survey method. Variables are created by literature review and interviews with individuals who participated in the pilot study and survey. One hundred ninety-one valid responses are analyzed in this study. Statistical methods used include descriptive analysis to identify participants and decision level exposure frequency for 26 variables that represent a probability of unsound, unethical, illicit actions. The participants are divided into two groups. One displays a (relatively) high level of ethical behavior and the other a low level of ethical behavior as determined by cluster analysis. The mean difference between the groups also showed up in a t-test. Twenty-six variables are grouped into 7 consumption factors by factor analysis. Finally, binary logistic regression method is adopted to derive research models. The findings of this study concluded that consumer`s grouped, hedonistic consumption frequency is higher than that of an individual. Two variables are judged as illicit consumption factors from among 9 tested variables. Additionally, the two groups showed different opinions for the factors of gambling and `normal` consumption.