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페콘크리트의 품질이 재생골재 및 시멘트 모르터의 특성에 미치는 영향
辛同寅,梁富弘 충주대 산업과학기술연구소 2000 産業科學論文集 Vol.8 No.-
In this paper, the properties of recycled aggregates and cement mortar using recycled aggregates are investigated and compared with river sand mortar, Recycled aggregates made by crushing wasted concrete had various compressive strength. According to the experimental results, the qualities of recycled aggregates such as grain shape and mechanical properties are worse than those of river sand. Also, fuidity, unit weight, and strength of cement mortar used recycled aggregates decrease compared with those of river sand mortar.
한국 현대사 인물 네트워크 사례연구: 김종필 증언록을 중심으로
신동인,곽기영 한국경영과학회 2019 經營 科學 Vol.36 No.2
This study introduces a contemporary historical figures network of Korea as a case study using social network analysis and text mining. In this study, text mining and social network analysis were conducted on testimony articles of Kim Jong-Pil, who is an important figure of Korean contemporary history and famous as a strategist. Kim Jong-Pil’s testimony is a collection of articles by interviews between Joongang Ilbo and Kim Jong-Pil. These articles were published online on a total of 114 occasions from March 2015 until December of that year. 114 Kim Jong-Pil’s testimony articles were classified based on 8 big chapters according to the passage of time and historical events, and each of the 8 big chapters consists of 8~19 detail chapters (articles). Text mining was performed using SAS Enterprise Miner to extract only major historical figures appearing in each detail chapter. After that, the historical figure-detail chapter 2-mode network was constructed based on each of the 8 big chapters, and then converted into a historical figure relation network of 1-mode. The 1-mode network is analyzed and visualized using UCINET6 and NetDraw. Through the analysis, we have effectively grasped the relationship between historical figures and historical implications in Korea's major contemporary history as seen from the viewpoint of Kim Jong-Pil. Also, in the whole chapters of testimony, the data of the frequency of appearance of the historical figures were reflected in the network visualization, so that the key historical figures per main chapter could be easily identified. This case study confirmed the usefulness of the network approach in understanding historical events and figures.
室內空氣 汚染에 關한 調査硏究 : - A case Chuoong ju city House and apartment Hous- -충주시 住宅 및 아파트먼트 하우스를 中心으로-
辛同寅 忠州大學校 1986 한국교통대학교 논문집 Vol.20 No.1
This study is concerned with the investigation of in door air pollution in apartment houses and singleness House and used the data get from investigation CO,CO₂and dust, which cause indoor air- pollution in witer, by collecting 180 places in apartment Houses and 180 place in singlenss House with is located in chung ju city 1. Generally, indoor temperature of the single residential house was lower than 18˚C 2. Co wad showed extremely air- polluted in a briguet fuel hole system. 3. Co₂is polluted approximately from 1.3 time to 1.7 times Over the allowable standard value. 4. The floating dust is no more than 11 percent of the allowable standard value among whole measured places.
韓國 農村 마을의 形成에 關한 考察 : 忠北槐山: 南倉 마을을 中心으로 Centering on NAM-CHANG Village in Goi-San Gun
辛同寅 忠州大學校 1982 한국교통대학교 논문집 Vol.15 No.1
Recently, since our farm village are changing in many aspects, it is difficult to classify the mode of living in rural area with urban area. But this paper intends to provide a plan for betterment of village form in rural area in consideration of the extensity of building and residing environment. For this purpose, the writer took notice of the following: 1) The writer planned to keep the convention of Korean rural community and its economy in aspect of using the geographical feature ti the best advantage. 2) Village arrangement limited within 130 meters above the sea level s possible and residing environment. 3) Common facilities and workrooms are classified and arranged as stalls, tabacco drying room etc.. 4) The demesion of building lot limted 80-120 pyeongs. 5) The writer considered the interconnection with public wash-place, water supply facilities, and public bath. 6) The writer planned to obtain the larger spaces in the playground, Children's playground, and respect-for-age hall etc.. With its traffic space the writer finds the factors in developing the agricultural village as follows: First, the village should integrate the facilities for special crops to increase the income of the village. Second. The village should have the joint farm to grow the crops of fast revovling fund and to praticipate with woman and the old.
실내 환경오염실태조사와 인체에 미치는 영향분석에 관한 연구
신동인 忠州大學校 2005 한국교통대학교 논문집 Vol.40 No.2
This study analyed with the investigation of indoor air-pollution at building's which are used by many people, to make pleasant indoor environment. After investigating Co, Co_(2), and dust, which cause indoor air-pollution in winter, by collecting office, the follwoing result are obtained. 1. Generally, indoor temperature of the public builcings, high than 18 ℃. 2. The places which are over the allowable indoor valus a mong the 27 surveyed places are as follows ; Co is 20 places(74%) Co_(2) is 26 places(96%) and 19, places(70%)
신동인 忠州大學校 2003 한국교통대학교 논문집 Vol.38 No.2
America and French had enacted the law of construction waste in the 1960s, Japan in the 1970s, and Korea in the 1980s. Comparing to the starting of industrialization in these countries, the enact of construction waste management had been made in recent. Moreover, America and French had established the law of recycling in the 1970s, Germany and the Netherlands in the 1980s, and Korea and Japan in the 1990s. The recycling usage had been appeared in these countries no more than after decades and two decades since the law of construction waste management had been made. We can recognize that how rapidly the seriousness of the problem of waste had been increased. The enact order of the Law and the rate of recycling appeared high. The recycling usage in Japan had been made the same period as Korea. But Japan has been preparing for the social agreement to execute the recycling of waste for 10 years before the enact of the Law. In conclusion we can make the present propelling direction of strategies of construction waste as follows; 1.The technology recycling such as the control of producing quantity of construction and simultaneously classification, sorting and recycling of waste has been bringing into an important and urgent task for the smooth construction. And also the advanced treatment technology about harmless spreading protection and the reduction of waste quantity is required. 2. So as that the problem of environmental protection may not happen, the contract about the sorting and recycling propelling direction of environmental waste has to be made by special agreement in the treat method, that is, waste paper and metal have to be contracted as recycling, and management building such as waste timber has to be contracted separately from safe building 3. The exchange system using information management system for carrying out resources of waste and recycling of waste positively needs to be propelled