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황지훈,장정현,양경석,최재혁,Hwang, Ji-Hoon,Jang, Jeong-Hyun,Yang, Kyeong-Seok,Choi, Jae-Hyouk 한국교육시설학회 2012 敎育施設 Vol.19 No.4
Recently large scale earthquake s are occurred around the world following the damage of buildings. So the interest of preparing for earthquake seismic design and seismic performance has becoming high. School buildings are though used for educational purpose; they are also used as emergency shelter for local residents during earthquake disaster. However, the current seismic design ratio of our country (Korea) is 3.7% and if massive earthquake is occurred it follows a serious damage. In order to overcome this situation, seismic performance evaluation is carried out for existing school building and an accurate and appropriate seismic retrofit is required based on performance evaluation to upgrade the existing school buildings. In this paper, nonlinear static analysis on existing school buildings for ATC-40 and FEMA-356 are carried out using the capacity spectrum method to evaluate seismic performance and to determine the need for retrofitting. In addition, after reinforcement to verify the effect of retrofit enhance the seismic performance is applied the seismic performance evaluation is carried out to verify the effect of seismic retrofit time history analysis using nonlinear dynamic analysis is also performed and nonlinear behavior of earthquake load of seismic retrofit of structures was also investigated.
황지훈(Hwang, Ji-Hoon),장정현(Jang, Jeong-Hyun),양경석(Yang, Kyeong-Seok),최재혁(Choi, Jae-Hyouk) 한국교육시설학회 2012 敎育施設 Vol.19 No.4
Recently large scale earthquake s are occurred around the world following the damage of buildings. So the interest of preparing for earthquake seismic design and seismic performance has becoming high. School buildings are though used for educational purpose; they are also used as emergency shelter for local residents during earthquake disaster. However, the current seismic design ratio of our country (Korea) is 3.7% and if massive earthquake is occurred it follows a serious damage. In order to overcome this situation, seismic performance evaluation is carried out for existing school building and an accurate and appropriate seismic retrofit is required based on performance evaluation to upgrade the existing school buildings. In this paper, nonlinear static analysis on existing school buildings for ATC-40 and FEMA-356 are carried out using the capacity spectrum method to evaluate seismic performance and to determine the need for retrofitting. In addition, after reinforcement to verify the effect of retrofit enhance the seismic performance is applied the seismic performance evaluation is carried out to verify the effect of seismic retrofit time history analysis using nonlinear dynamic analysis is also performed and nonlinear behavior of earthquake load of seismic retrofit of structures was also investigated.
성능스펙트럼법을 이용한 기존 학교 건축물의 내진성능평가 및 보강효과 검증
장정현 ( Jeong Hyun Jang ),황지훈 ( Ji Hoon Hwang ),양경석 ( Kyeong Seok Yang ),( Kamiya Takashi ),최재혁 ( Jae Hyouk Choi ) 조선대학교 공학기술연구원 2012 공학기술논문지 Vol.5 No.1
Large scale earthquake was occurred in different parts of the world like Japan (in 1995), Republic of Pakistan (2005), in China (2008) etc and enormous structures were damaged. As a result of collapse of school buildings structures numerous students are died and it had a big impact on the international community. Therefore, the interest of preparing the seismic resistant school building structures in our country is increases as school building are used as emergency shelter for local residents. But the current standard of seismic design ratio of 3.7% is applied for school building in Korea which is only significant earthquake damage is expected. In order to overcome the current situation, seismic performance evaluation is carried out for the existing school building and an accurate and appropriate seismic retrofit is required based on performance evaluation to upgrade the existing school buildings. In this paper, nonlinear analysis on existing school buildings for ATC-40(Applied Technology Council, ATC) and FEMA-356(Federal Emergency Management Agency, FEMA) are carried out using the capacity spectrum method to evaluate seismic performance and to determine the need for retrofitting. In addition after reinforcement to enhance the seismic performance is applied the seismic perfor-mance evaluation is carried out to verify the effectiveness of seismic retrofit.
비콘과 웨어러블 밴드 기반의 낙상 사고 알림 시스템 설계 및 구현
허한슬 ( Han-seul Heo ),고용국 ( Yong-guk Go ),심재훈 ( Jae-hoon Shim ),심효빈 ( Hyo-bin Shim ),양경석 ( Kyeong-seok Yang ) 한국정보처리학회 2017 한국정보처리학회 학술대회논문집 Vol.24 No.2
사람들은 예측하지 못한 순간에 발생할 수 있는 안전 사고에 대해 항상 불안해한다. 매년 노년층 인구 비율이 증가함에 따라 낙상 사고 발생 빈도도 비례적으로 증가하고 있다. 낙상 사고는 대체로 골든 타임이 짧으므로 보호자와 함께 생활하지 않는 노인에게 낙상 사고가 발생한 경우 이를 대처하는 것은 매우 어렵다. 본 논문에서는 비콘과 웨어러블 밴드를 활용하여 낙상 사고 발생을 효과적으로 감지하고 초동 응급 대처가 가능할 수 있도록 돕는 알림 시스템을 설계하고, 이러한 기능을 수행하는 모바일 애플리케이션을 구현하고자 한다.