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김태훈 한국지진공학회 2011 한국지진공학회논문집 Vol.15 No.5
이 연구에서는 열화된 철근콘크리트 교각의 성능평가를 위한 비선형 유한요소해석 기법을 제시하였다. 사용된 프로그램은 이러한 철근콘크리트 구조물의 해석을 위한 RCAHEST이다. 재료적 비선형성에 대해서는 균열콘크리트에 대한 인장, 압축, 전단모델과 콘크리트 속에 있는 철근모델을 조합하여 고려하였다. 열화된 철근콘크리트 교각의 거동을 예측하기 위해서 진보된 열화재료모델을 개발하였다. 이 연구에서는 열화된 철근콘크리트 교각의 성능을 파악하기 위해 제안한 해석기법을 신뢰성 있는 연구자의 실험결과와 비교하여 그 타당성을 검증하였다. This paper presents a nonlinear finite element analysis procedure for the performance assessment of deteriorated reinforced concrete bridge columns. A computer program, named RCAHEST (Reinforced Concrete Analysis in Higher Evaluation System Technology), was used to analyze these reinforced concrete structures. Material nonlinearity is taken into account by comprising tensile, compressive and shear models of cracked concrete and a model of reinforcing steel. Advanced deteriorated material models are developed to predict behaviors of deteriorated reinforced concrete bridge columns. The proposed numerical method for the performance of damaged reinforced concrete bridge columns is verified by comparison with reliable experimental results.
EU 회원국의 디지털 전환 사례 연구: 프랑스의 문화패스와 #culturecheznous 사례를 중심으로
김태훈,이하얀 부경대학교 글로벌지역학연구소 2023 Journal of Global and Area Studies(JGA) Vol.7 No.3
The Fourth Industrial Revolution, characterized by the advancement of cutting-edge technologies such as artificial intelligence, big data, and the Internet of Things (IoT), has brought about widespread changes in society. These technological changes also induced significant transformations in the cultural sector, and France actively embraced these changes to innovate the ways culture is consumed. Moreover, the COVID-19 pandemic necessitated restrictions on offline activities and the implementation of social distancing policies, thereby emphasizing the importance of digital technology. In response to this situation, France implemented various digital transformation policies to ensure the accessibility and enjoyment of culture. In this study, the transformation process of French cultural policy is analyzed by dividing it into different periods. It distinguishes the time from the rapid spread of the internet before the 2010s to the period after the outbreak of COVID-19 in 2019, examining the changes, outcomes, and limitations of French cultural policy in each period. This approach facilitates a fundamental understanding of the ways in which the advancement of digital technology and the impact of the pandemic have influenced cultural policy. Additionally, by comprehensively analyzing the limitations, the study aims to understand the societal impact and changes in accessibility to cultural content resulting from the transformation of cultural policy.