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박장권,임철원,류동우,손기영,백종혁,박영준 한국건축시공학회 2014 한국건축시공학회지 Vol.14 No.6
This study suggests the design and assembly drawing of the prefabricated precast concrete arch ammo magazinesusing the numerical analysis as well as the explosion verification test. The protective capacity of the proposedmagazines is identified with the maximum support rotation angles measured by explosion verification tests accordingto the U.S. Unified Facility Criteria 3-340-02. Using numerical analysis, it is examined that oval-type members arebetter than the semi-circle ones in terms of protective capacity. Based on this numerical results, the design andassemble drawing for the prefabricated precast concrete arch ammo magazine are developed. It is identified that thestructure constructed by invented design and assembly drawing has enough protective capacity against blast pressurecaused by 133.75㎏ TNT explosion. The detonation point cannot be open due to the military security. In sum, it couldbe concluded that the ammo magazine proposed in this study has reliable protective capacity with enough redundancy. The redundancy means that there are more economic design approach with reducing the curved wall thickness. 본 연구는 수치해석과 폭발 실증시험을 통해 조립식 PC아치 탄약고의 설계 및 시공도면을 제시하였다. 제안된 탄약고의 방호성능은 미군의 UFC 3-340-02와 한국군의국방·군사시설 설계기준(탄약고 설계지침)에서 제시된 최대 회전각도로 판별하였다. 아치형 탄약고의 기초설계를 위해 곡면형태인 반원형과오발형에 대하여 폭발하중에 대한 방호성능을 수치해석을통해 살펴본 결과 오발형이 타원형에 비하여 지점회전각이적어 전반적으로 방호성능이 뛰어남을 확일 할 수 있었다. 이를 통해 아치형 조립식 PC 탄약고의 설계안 및 시공도를제안하였으며, TNT 133.75㎏을 구조체 벽체로부터 00m이격하여 폭발시켜 실제 시공된 탄약고에 대한 방호성능을 검증하였다. 결론적으로, 본 연구에서 제안된 탄약고는 충분한 방호여유력을 확보하고 있는 것으로 확인할 수 있었다. 향후 이러한 방호 여유력을 고려하여 재료의 절감을 통한 보다 경제적인 탄약고 설계도 가능할 것으로 사료된다.
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권영국,박장권 한국산업경영시스템학회 2013 한국산업경영시스템학회 학술대회 Vol.2013 No.춘계
The purpose of this study is to figure out current situation of safety education to improve safety awareness and practice in Korean school students. In order to do this, it is necessary to identify the current level of safety awareness and practice with the actual status of accident occurrence. Furthermore it is try to figure out the most influencing factors on the safety education for Korean middle and high school students.The 412 students were taken from a random sample. The samples were one class of 2nd grade students in five different middle schools and four different high schools in Seoul, Korea. The survey was conducted from 29 September 2010 through 15 October 2010. An additional samples for the questionnaires posted in web were collected. The 305 respondents from school students and 80 respondents from web survey were used to analyze for this study out of 800 respondents. SPSS was used to analyze the questionnaires. The overall safety-awareness score was relatively high at 4.56/5 for fire safety and 4.32/5 for traffic safety. Safety awareness was higher for girls than boys and also for high school students than middle school students. Safety education by parents at home gives a good impact on high safety practices. Safety awareness was improved by feeling of necessity for safety training. The safety prevention training provided during the class by teacher and home training by parents improved safety practice.
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전시 이동형 군사시설 구축을 위한 BIM의 교육효과 분석
김태희,안성진,박장권,김흥빈,박영준 한국건축시공학회 2014 한국건축시공학회지 Vol.14 No.6
The re-locatable military facilities are significant in combat zones with limited infrastructures. Military tents areparticularly one of the most essential components in the battlefields, During the offensive operation. This studyassesses educational effectiveness of the 4D Building Information Modeling (BIM), which is used to deliver educationalinformation with considering re-locatable military facility construction. Furthermore, the real time for constructingtemporary concentration camp was measured, By using analysis of variance associated with the educational effects ofthe 4D BIM. Statistically, understandability of facility construction using 4D BIM was found to be higher than theconventional educational materials with field manual. 기반시설이 부족한 지역에서의 군사시설은 천막과 같이 이동 가능한 형태가 필수적이다. 실제로 천막은 적 지역에서의 공격작전 간 가장 일반적으로 운용되는 시설이다. 이 연구에서는 전시 천막형태의 야전형 군사시설의 설치시간 단축을 위한 설치공정 이해도 향상을 위하여, 군사시설 설치에 관한 4D BIM(Building Information Modeling)의 교육적 활용효과를 통계적으로 분석한다. 실험결과에 따르면 기존의 교범 위주의 교육보다 4D BIM을 활용한 교육이 실험참여자의 이해도를 향상시켰을 뿐만 아니라, 실제 야전형 천막 설치시간의 단축에도 기여하였다.
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