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윤장근(Yoon Jang-Keun),강수민(Kang Su-Min),김효락(Kim Hyo-Rak) 대한건축학회 2011 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.31 No.2(구조계)
The purpose of this research is to contribute to a more widespread application of post-tensioning to building structure such as underground parking structure. Post-tensioning is a well-known method for reducing structural depth and resisting to super-imposed heavy load. For underground parking structure, roof slab is loaded by heavy live load such as landscaping and vehicle load under construction. In this study, it is shown that post-tensioned flat slab system is more economic method comparing to beam-column system which is mostly used in underground parking structure.
윤장근(Yoon Jang-Keun),강수민(Kang Su-Min),김효락(Kim Hyo-Rak) 대한건축학회 2011 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.31 No.2(구조계)
This research is about applying post-tensioning to void slab system not only to reduce building weight but also to realize long-span structure. In this study, we are investigating the potential economic benefits and evaluating vibration characteristics of post-tensioned void slab. The structural performance of post-tensioned void slab was evaluated by carrying out the detailed post-tension design and vibration analysis. For post-tension design and modal vibration analysis, ADAPT-Floor Pro 2010 was used to carry out footfall analysis and acceptability check.
피트층 하부에 필로티를 갖는 벽식구조 아파트에서 전이슬래브의 거동 및 합리적인 설계방법에 관한 연구
윤장근(Yoon Jang-Keun),강수민(Kang Su-Min),김욱종(Kim Ook-Jong),이도범(Lee Do-Bum) 대한건축학회 2008 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.28 No.1(구조계)
In shear wall type apartment construction, transfer slab has been partially used to maximize the use of ground level space. Recently, transfer slab is also used under pit level to maximize the use of underground parking place underneath the apartment. In this paper, structural behavior of transfer slab used in shear wall type apartment with piloti is analyzed and practical design method for transfer slab is proposed. The paper is expected to provide not only a better understanding of mechanical characteristic of transfer slab, but also a useful reference for the economic design of transfer slab.
16주간 스피닝 운동이 여중생의 신체조성, 체력 및 혈중지표에 미치는 효과
윤장근(Yoon, Janf-Gun),이광희(Lee, Kwang-Hee),류현승(Rhyu, Hyun-Seung) 한국웰니스학회 2018 한국웰니스학회지 Vol.13 No.2
본 연구는 16주간의 스피닝 운동프로그램이 여중생의 신체조성, 체력, 혈중 지표에 미치는 효과를 분석하기 위하여 실시하였다. 본 연구는 여중생 20명(스피닝 사이클 그룹 10명, 통제그룹 10명)을 대상으로 진행하였다. 스피닝 사이클 그룹에게는 16주간 주당 3회, 방과 후 1시간 씩 운동프로그램을 진행 하였고, 통제그룹은 별도의 운동프로그램을 진행하지 않았다. 본 연구는 16주간의 운동 프로그램 실시 전과 후에 신체조성, 체력(1,200m 달리기, 윗몸일으키기, 배근력, 체전굴, 사이드스텝), 그리고 혈중지표(Total cholesterol, Low Density lipoprotein cholesterol, Glucose)를 측정하여 다음과 같은 결과를 도출하였다. 스피닝 사이클 그룹의 경우, 16주 후에 체지방률에서 유의한 감소가 나타났고, 체력에서는 1,200m 달리기, 배근력, 체전굴 에서는 유의한 증가가 나타난 반면 윗몸일으키기, 사이드스텝에서는 변화가 나타나지 않았다, 그리고 혈중지표에서는 TC, LDL-C, 항목에서 유의한 감소를 나타냈으나 Glucose 에서는 유의한 차이가 나타나지 않았다. 통제군에서는 신체조성, 체력, 혈중지표 모두에서 유의한 차이는 나타나지 않았다. 결과적으로 여중생의 경우 스피닝 사이클 운동을 통하여 신체조성과 체력, 그리고 혈중지표에 긍정적인 영향을 주며, 청소년 비만예방과 건강관리, 그리고 발육발달에 긍정적인 영향을 줄 수 있다는 결과를 보여주었다. This study was conducted to analyze the effects of 16 weeks spinning exercise program on body composition, physical fitness, and blood parameters of middle school girls. This study was conducted on 20 middle school girls students(10 spinning cycle groups and 10 control groups). The spinning cycle Group conducted an exercise program three times per week for 16 weeks and one hour after school, and the control group did not perform a separate exercise program. The purpose of this study was to measure body composition, physical fitness (1,200 m running, sit up, back muscle strength, Sit and reach, side step), and blood parameters(Total cholesterol, low density lipoprotein cholesterol, Glucose) The results are as follows. In the spinning cycle group, there was a significant decrease in body fat percentage after 16 weeks. In the physical fitness, there was a significant increase in 1,200m running, back muscle strength, and sit and reach, but no change in sit up, side step. There was a significant decrease in TC, LDL-C, but there was no significant difference in glucose. In the control group, there was no significant difference in body composition, physical fitness, and blood parameters. As a result, it was shown that the spinning exercise positively affects body composition, physical fitness, and blood parameter, and can positively affect the prevention of obesity, health care, and development of adolescents.