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유영준 ( You Young-jun ),박지선 ( Park Ji-sun ),박영환 ( Park Young-hwan ),김긍환 ( Kim Keung-hwan ) 한국구조물진단유지관리공학회 2008 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.12 No.1
FRP is one of excellent materials for replacing conventional steel reinforcement due to its corrosion resistant property. It has many advantages such as high specific strength, light weight, especially corrosion resistance. However, FRP bar can't be treated freely after the completion of hardening due to the use of thermosetting resin. This hinders the application of FRP rebar in civil structures. This paper presents experimental results for bending tensile capacity of GFRP rebar. A total of 10 specimens, classified with 2 groups, were prepared and tested. Main parameter was the radius of bending and bar was bent before the completion of hardening. Test results was compared with the tensile capacity of straight GFRP bar which was manufactured by same method of bent bar.
유영준 ( Young Jun You ) 가톨릭대학교 사회복지연구소 2007 사회복지리뷰 Vol.12 No.-
본 연구는 가족중심실천을 구성하고 있는 다양한 의미들을 검토하고, 가족을 대상으로 개입하는 사회복지사에게 실천적 함의를 제공하는 데 목적을 두었다. 이를 위해 본 연구에서는 가족중심실천에 관한 선행연구를 검토하여 가족중심실천을 구성요소로 ``가족과 전문가의 협력``, ``강점관점의 접근``, ``개입단위로서의 가족`` 등을 설정하였다. 가족중심실천의 핵심은 전문가의 주도적 역할보다 가족을 둘러싼 다양한 체계들의 상호협력을 달성하는 것이며, 이를 위해 전문가 집단과 사회복지기관은 가족과 협력하고 가족을 지원할 수 있는 운영체계 구축을 제안하고 있다. 가족중심실천은 전문가와 사회복지기관의 역할 변화를 요청하고 있으며, 실천가 및 사회복지기관의 상호협력체계를 가족중심실천의 성공요인으로 보고 있다. The purpose of this study is to refine conception of ``Family-centered practice``. This study have three factors about the family-centered practice. The definition consists of the partnership with family, a strengths-based approach, focusing on the family as the unit of attention. Family-centered intervention is traditionally a different way to view the relationship between family and service delivery system. It encompasses the belief that the family is at the center and the service providers are collaborator. The service coordinator is respectful of a family`s choice and continuously seeks the services to meet the need of family. Also, the practitioner should support families by providing opportunities for participation. In conclusion, this study confirmed that each family should lead the decision-making process concerning the service they receive. Family-centered practice will contribute to empower the family and
이음 시공된 보수·보강용 F.R.P. 부재의 인장강도시험
유영준 ( You¸ Young Jun ),박종섭 ( Park¸ Jong Sup ),박흥석 ( Park¸ Hung Seok ) 한국구조물진단유지관리공학회 2000 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.4 No.2
F.R.P. Sheets(Carbon, Grass and Aramid) are repairing and rehabilitating materials of which consumption has been increasing steeply most recent. Recently years, in the country, despite of excellent material property, those are used empirically without proving of behavior characteristics. In this test, F.R.P. Sheets(Carbon, Grass and Aramid), were tested for investigation of the change of tensile strength about number of sheet layers and splice lengths. The test results show that the tensile strength do not have any affection with respect to number of sheet layers and fiber sheets, which are cut for using in field, do have adequate spliced length to give the same strength of one sheet.
유영준(You Young-Jun),박지선(Park Ji-Sun),박영환(Park Young-Hwan),김형열(Kim Hyeong-Yeol),김긍환(Kim Keung-Hwan) 한국구조물진단유지관리학회 2006 한국구조물진단학회 학술발표회논문집 Vol.10 No.1
Bond between concrete and reinforcing bars is one of the main aspects of governing the behavior of reinforced concrete structures. Because the behavior of GFRP rebar is different from the well-known properties of steel rebar, it is believed that theories fully dedicated to GFRP rebar should be established to design the GFRP reinforced structures. This paper discusses the analytical bond models between the concrete and the GFRP rebar. Experimental bond tests were conducted with steel and three types of GFRP rebars. The results were analyzed by using four bond models. The goodness-of-fit for existing bond models and newly proposed one were tested by least squares method and compared with each other. The result indicates that the newly proposed bond model has better goodness-of-fit than the existing ones.
유영준 ( You Young-jun ),박지선 ( Park Ji-sun ),박영환 ( Park Young-hwan ),김형열 ( Kim Hyeong-yeol ),김긍환 ( Kim Keung-hwan ) 한국구조물진단유지관리공학회 2006 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.10 No.1
Bond between concrete and reinforcing bars is one of the main aspects of governing the behavior of reinforced concrete structures. Because the behavior of GFRP rebar is different from the well-known properties of steel rebar, it is believed that theories fully dedicated to GFRP rebar should be established to design the GFRP reinforced structures. This paper discusses the analytical bond models between the concrete and the GFRP rebar. Experimental bond tests were conducted with steel and three types of GFRP rebars. The results were analyzed by using four bond models. The goodness-of-fit for existing bond models and newly proposed one were tested by least squares method and compared with each other. The result indicates that the newly proposed bond model has better goodness-of-fit than the existing ones.
유영준 ( Young-jun You ),이성각 ( Seong-gak Lee ) 한국도시지리학회 2016 한국도시지리학회지 Vol.19 No.1
This study aims at investigating a plan to use as an ecotourism on Ulsan Taehwa River, which has greatly changed from the notorious environmental pollution to the eco-river. To do this, we have analyzed some pre-researches on ecotourism and the present conditions of Taehwa River in this paper, the four factors of ecotourism (tourism resources, regional activities, tourists, tourism facilities), and then suggested the strategies of the activating the ecotourism program of the Taehwa River on the basis of the results. First, ‘developing the storytelling eco-tours,’ that is, this tour should be based on a storytelling related with the history and cultural resources around the Taehwa River. Second, ‘investing into the infra structures for ecotours,’which can be representative tours if those programs give entertainments and aftertastes to the tourists by running a charged experiencing eco-tour center. Third, ‘using eco-tour festivals,’ that means we need to hold some experiencing programs and literary writing, photo, and picture contests for all the people. Lastly, ‘publicizing for the right eco-tours,’ that is, because of the rarely examples of ‘the living river from the dead one’ in the nation, we need to consider a marketing strategy. There are limitations in this study in that we conducted a survey to only Ulsan citizens and we did not compare the characteristics of the advanced regions.
유영준(You, Young-Jun),오윤수(Oh, Yun-sou) 한국지역사회학회 2013 지역사회연구 Vol.21 No.4
This study analyzes the factors that affect risk behaviors and risk outcomes associated with adolescence. The risk factors include individual characteristics, home environment, school environment, and peers. The risk results vary depending on the risk types of teenagers, which are related to internet overuse, physical abuse, attempts to run away from home, school violence, drinking and smoking, stealing, sexual abuse, tempted sex trafficking, and suicidal plans or attempts. The result of the analysis of survey data collected from 1,289 adolescents in Daegu shows that the risk factors lead to a variety of risk results for teenagers. The findings can be summarized as follows. First, the high risk group requires professional help and the social infrastructure to support it. Second, there is a need for a social support system that provides integrated services for youth at risk. Third, high risk teenagers, in most cases, have multiple problems and thus are in need of comprehensive expert intervention involving professionals from different areas working together.
무인운전시스템에서의 열차 Standby/Wakeup 기능에 대한 고찰
유영준(Young-Jun You),공태연(Tae-Yeon Gong),김경식(Kyoung-Shik Kim),이종성(Jong-Seong Lee) 한국철도학회 2013 한국철도학회 학술발표대회논문집 Vol.2013 No.5
최근의 통신분야의 기술적인 발전은 산업분야 전반에 걸쳐 비약적으로 진보하게 하였고, 열차제어시스템분야에서도 최신 기술발전의 영향으로 두드러진 기술적인 변화를 촉진시켰다. 기존 유인운전 시스템에서의 기관사에 의한 열차 주박 및 열차 정지/기동에 의한 수동 운행 절차에서, 최근 진보된 통신기술을 기반으로 무인운전 시스템에서는 관제에 의해 원격으로 열차 주박 및 정지/기동 운행 절차가 가능하게 되었다. 현재, 국내에도 통신기반의 무인운전 시스템을 사용하는 신설상용노선이 운행/계획되고 있으며, 이러한 신설노선에서는 기관사에 의한 수동제어가 아닌 통신을 기반으로 한 열차제어시스템을 통해 원격으로 열차를 제어하고 있다. 이 논문에서는 Standby/Wakeup 기능 설명, 신호시스템과 차량시스템간 인터페이스 및 구현 시 고려해야 할 요구조건에 대해 검토하여 무인운전 시스템에 요구되는 Standby/Wakeup 기능에 대해 고찰하도록 한다. Recently, technical development of communication makes progress dramatically in various fields of industry, it impacts to great technology change of TCS(Train Control System) caused by technical development. In the existing system, the driver controls parking and operation on the train even in the depot, but it is possible to be controlled by OCC remotely through more advanced communication technology in the driverless system. Nowadays, Communication Based Train Control System is operating and planning in commercial line in KOREA, these lines are remotely controlled by the overall signaling system which is interfaced with the train devices, not manually by the driver. Therefore, we would express fundamental function of Standby/Wakeup and considerations of interface requirement between signaling system and vehicle system.