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유택동,조진일,김성중,조경숙,Yoo, Taek-Dong,Cho, Jin-Il,Kim, Sung-Jung,Cho, Kyung-Suk 한국교육녹색환경연구원 2006 교육·녹색환경연구 Vol.5 No.2
It presented the specialty and efficient evaluation indicator and a method which corresponds in each quality classified with 4 fields - an use and the function, the environment and an equipment, the structure stability, an main finishing material from plan side against an existing school facility in order to suit in development of the standard indicator which has become fixed quantity and demand of evaluation method for an analysis of the object school facilities to rebuild. So it presented the method which is the fixed quantity evaluation from economic viewpoint as possible for evaluating the maintenance cost by the expenses involved and durable years increase in rebuilding of objective school facility.
미래교육 환경변화에 따른 학교시설의 실내 바닥재 및 창호재에 관한 연구
유택동,조진일,이호진,Yoo, Tack-Dong,Cho, Jin-Il,Lee, Ho-Chin 한국교육녹색환경연구원 2003 교육·녹색환경연구 Vol.3 No.1
In this study, analyzing class method, curriculum and demand performance of materials and user according to the 7th educational curriculum which, it is surveyed that materials design performance standards of floor and window suitable to future educational environment. Based on this study, It is needed for development of special materials suitable educational facilities, making standards fitting demand, study of variable and special field for educational facilities, study for security of objective data of materials, study of performance evaluation method subdivided, and desirable positive use of intimate environmental materials.
해사를 잔골재를 사용한 콘크리트의 촉진중성화에 관한 연구
신상태,유택동,최기봉,서치호,Shin, Sang-Tae,Yoo, Taek-Dong,Choi, Ki-Bong,Seo, Chee-Ho 한국구조물진단유지관리공학회 1999 한국구조물진단유지관리공학회 논문집 Vol.3 No.4
In this study, we executed fundamental experiment to investigate properties of accelerated carbonation with changing chloride content of concrete used sea sand in order to examine durability. So we obtained the results of following properties of mechanics, durability, concrete with sea sand, determined concrete w/C 30%, 40%, 50%, and fine aggregate 40% and changing containing chloride 0, 0.3, 0.6, $0.9kg/m^3$ by the experiment of accelerated neutralization. The results of this study as follows: 1) As result of changing chloride content of concrete used sea sand augmented in stages $0.3kg/m^3$, accelerated carbonation was increased as increment chloride content. The increment depth was decreased as it went long term age. It was shown the chloride content effected increment of carbonation depth in concrete 2) As a result of changing W/C of concrete used sea sand augmented in stages 10% at a time from 30% to 50%, accelerated carbonation depth of concrete was increased as W/C ratio. 3) As the carbonation concrete used sea sand, compressive strength between 8 weeks and accelerated carbonation depth of 1 weeks, 2 weeks, 4 weeks, 8 weeks was inversion proportion.