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강판 탈부착형 에코데크플레이트의 안전성 및 경제성 평가
이진응(Lee, Jin-Eung),김병윤(Kim, Byung-Yun),정병주(Jung, Byung-Joo) 대한건축학회 2014 大韓建築學會論文集 : 構造系 Vol.30 No.9
This study relates to an experimental research to review utility of removable steel Eco deck plates by connecting them with bolts in order to prevent corrosion in the weld zone and to reduce maintenance and repairing cost of slab. The results of economic feasibility of Eco deck plate and LCC by way of evaluation of safety against construction load are as follows. (1) Test specimen 150-ED3-3.8 was finally broken into other forms with different behavior from other specimens. However, behavioral characteristics of test specimens were not much affected by final broken shape changes. (2) Allowing deflection by construction load was found as 85.5% of design value for the specimen 135-ED1-3.2, 90.9% for the specimen 150-ED3-3.8, and 75.9% for the specimen 200-ED5-4.5 showing safe in the allowing deflection for all the test specimens. However, it is judged to be necessary to adjust camber value in case of test specimen 150-ED3-3.8 having allowing deflection around 90%. (3) The comparison results between general deck plate and LCC having same specification about purchase cost including manufacturing and installation and cost during use including maintenance and dismantle showed that all the specimens used in the experiments were economical by around 16.62∼18.99% as compared with that of LCC.
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박금수,김영식,이진응,임종천,이강현,임경수,황성오,최경훈 대한응급의학회 1995 대한응급의학회지 Vol.6 No.2
To estimate the quality of the emergency medical services system of Wonju City, we studied the diurnal variations of 179 non-traumatic cardiac arrest victims who received cardiopulmonary reuscitation at the emergency center of Wonju Christian Hospital. Diurnal variations of non-traumatic cardiac arrest patients were as follows ; The occurence of cardiac arrest at day-time was higher than night-time; 18 cases (11%) from midnight to AM 4, 25 cases (14%) from AM 4 to AM 8, 42 cases (24%) from AM 8 to AM 12, 46 cases (25%) from AM 12 to PM 4, 35 cases (19%) from PM 4 to PM 8, 13 cases (7%) from PM 8 to midnight. Witness cardiac arrest was increased more during the day than night ; 40% from midnight to AM 4, 48% from AM 4 to AM 8, 57% from AM 8 to AM 12.52% from AM 12 to PM 4, 60% from PM 4 to PM 8, 38% from PM 8 to midnight. The transportation time at night-time cardiac arrest was more longer than day-time cardiac arrest ; 30±12mins from midnight to AM 4, 26±9mins from AM 4 to AM 8, 27±12mins AM 8 to Am 12, 25±11mins from AM 12 to PM 4, 25±9mins from PM 4 to PM 8, 35±15mins from PM 8 to midnight. The rate of restoration of spontaneous circulation(ROSC) in day-time cardiac arrest was higher than the night-time cardiac arrest ; 30% from midnight to AM 4, 36% from AM 4 to AM 8, 32% AM 8 to AM 12, 44% from AM 12 to PM 4, 41% from PM 4 to PM 8, 15% from PM 8 to midnight. The survival rate of cardiac arrest has been correlated with collapse time, early bystander CPR, early advanced care. To improve outcome for prehospital cardiac arrest, we concluded that early bystander CPR, and early advanced life support should be performed at the scene and during the transportation especially at night.
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