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고강도 고유동 콘크리트를 이용한 콘크리트충전강관(CFT)구조의 충전성에 관한 공법 연구
강용학,정근호,임남기,이영도,정재영,정상진,Kang, Yong-Hak,Jung, Keun-Ho,Lim, Nam-Ki,Lee, Young-Do,Jung, Jae-Young,Jung, Sang-Jin 한국건축시공학회 2002 한국건축시공학회지 Vol.2 No.1
In this study, there are kind of property experiments like fluidity, compressive strength, bleeding measurement, concrete sink for CFT use high fluidity concrete. The property difference between before transmit and after transmit concrete in the mock up test with ready mixed concrete equipment is examined. The variable factors in mock up are diaphragm existence and nonexistence, diaphragm placing hole sizes. To investing the concrete Property under diaphragm, concrete packing ability, hydration heat, core specimen strength tests are performed.
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이가현(Ga-Hyeon Lee),정재영(Jae-Young Lim),한동욱(Dong-Wook Han),변성학(Sung-Hak Byun) 대한심장호흡물리치료학회 2013 대한심장호흡물리치료학회지 Vol.1 No.1
Purpose: The purpose of this study is to determine the effects of exercise of expanding rib cage which applied Taekwondo on pulmonary function. Subjects: Twenty female college students at the age of 19~23 without any functional disability of nervous system, muscular system and cardiopulmonary system were participated. Methods: Pulmonary functions were assessed through the use of a pulmonary function measurement device(Pony FX, COSMED Inc, Italy). The Taekwondo group preformed the seven kinds of movements of expanding rib cage which applied Taekwondo. Every movement was repeated three times and each movement was proceeded for 15 seconds. The control group didn’t perform any other exercise. Afterwards, pulmonary functions were assessed again by the same measuring instruments. The Mann-Whitney test and Wilcoxon sign rank test were used to compare pulmonary functions between Taekwondo group and control group. The statistical program was the SPSSWIN (ver 21.0) package program. Results After the exercise of expanding rib cage, fIC of FVC factors and ERV, Rf and Vt, of SVC factors improved significantly. In comparing the difference of changes of pulmonary functions between Taekwondo group and control group, FVC, FEV1 and fIC, of FVC factors in Taekwondo group increased significantly more than control group. Conclusion: This study revealed that the exercise of expanding rib cage which applied Taekwondo can improve the pulmonary functions.
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재생골재 콘크리트의 현장적용을 위한 실험적 연구 - 전기충격식으로 수중파쇄된 재생골재를 중심으로 -
박희곤,정근호,임남기,이영도,정상진,정재영,Park, Hee-Gon,Jung, Keun-Ho,Lim, Nam-Ki,Lee, Young-Do,Jung, Sang-Jin,Jung, Jae-Young 한국건축시공학회 2003 한국건축시공학회지 Vol.3 No.1
The production accounts of domestic by-product is increased after 1990's. It is worried about the life reduction of dump land, as dump land's capacity have reached to limitation and the amount of construction industrial wastes is going higher. Recently, recycling aggregates could be gained from the reconstruction works using recycle process, and the study research of recycle concretes developed concrete application methods. It could put some outcome of studies to practical use for concrete products. The methods of crushing waste concrete are going diverse. In this study. the fundamental experiments and recycling application is investigated and analyzed with use of recycling aggregate which made of mechanical crush and underwater electrical impact crush, and the difference between underwater electrical impact crush, mechanical crush and natural aggregates is studied.
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윤인진(Yoon In-Jin),임창규(Lim Chang-Kyu),정재영(Jung Jae-Young) 한국청소년정책연구원 2007 한국청소년연구 Vol.18 No.3
본 연구는 한국청소년개발원이 2006년에 한국, 일본, 미국, 독일, 스웨덴 5개국 청소년을 대상으로 수집한「가족내 자녀사회화과정에 관한 조사」자료를 이용하여 사회계층과 자녀 양육방식간의 관계가 국가별로 차이가 나는지를 조사하였다. 분석결과 부모의 직업계층과 국가별로 자녀 양육방식에서 차이가 나는 것으로 밝혀졌다. 상위정신노동직에 종사하는 아버지는 그 외 직업에 종사하는 아버지보다 자녀를 더욱 민주적인 방식으로 양육하는 것으로 나타났다. 국가별로는 미국, 독일, 스웨덴의 아버지가 한국과 일본의 아버지보다 자녀를 더욱 민주적인 방식으로 양육하는 것으로 밝혀졌다. 어머니의 자녀양육방식에서도 직업계층과 국가별 차이가 유의미하게 나타났다. 그러나 아버지의 자녀양육방식과는 달리 특별히 어느 직업계층에 속하는 어머니가 모든 국가에서 일관되게 자녀를 민주적 또는 강압적으로 양육하는 것은 아닌 것으로 밝혀졌다. We examined if parents of different social classes socialize their children differently by using data from the 2006 Survey on Youth Development and Family Relations conducted in South Korea, Japan, the United States, Germany, and Sweden by the Korea Institute for Youth Development. Main findings are as follows. First, significant differences were observed in parenting styles among occupational classes of fathers and nations. Fathers engaging in upper mental work were more likely to socialize their children in democratic styles than fathers of other occupational classes. An international comparison showed that fathers of the United States, Germany, and Sweden were more likely than their counterparts in South Korea and Japan to socialize their children in democratic styles. Second, occupational classes of mothers were not as clearly and consistently related with parenting styles as occupational classes of fathers, although there were significant national differences: mothers of South Korea were the least likely to socialize their children in democratic styles whereas mothers of the United States were the most likely to socialize their children in democratic styles.
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