Immigrant workers in Korea who have a multi-cultural background are increasing a need is arising to support them with housing that considers their housing culture. The purpose of this study is to gather information to formulate a plan of ChoSun-Tribe Immigrant Workers in Korea. For this purpose, we investigated to the usage of domestic space and the seating style of ChoSun-Tribe members in China and Korea. Ethnographic research with a questionnaire was used to analyze 16 households in China and 17 in Korea. The study results were as follows. 1. Most of the ChoSun-Tribe members in China and Korea thought that the kitchen had to be separated from other areas and also they wanted to have a large kitchen in which they can work comfortably. 2. ChoSun-Tribe members in China used a bathroom as a laundry normally while and ChoSun-Tribe members in China and Korea didn't think that a bathtub was indispensable in the bathroom. 3. The most uncomfortable feature for ChoSun-Tribe members in Korea was having to use a toilet outside so a toilet should be considered inside of the house. 4. ChoSun-Tribe members in China and Korea were accustomed to sitting on the floor for their living usually and ChoSun-Tribe members in China used the living room as a multi-purpose room for the family. 5. A modified Ondol system using water pipes under the floor was gaining popularity in China and was the most desirable heating system for ChoSun-Tribe members in China and Korea also. 6. ChoSun-Tribe members in China and Korea all took off their shoes inside of the house for hygienic reasons so the space for taking on-off shoes was indispensable. 7. Housing for ChoSun-Tribe immigrant workers in Korea needs to be planned with a good environment lots of sunshine and better ventilation.
Journal of the Korea Academia-Industrial cooperation Society
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v.15
no.1
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pp.157-164
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2014
This study aims to investigate hospice care awareness, user satisfaction with intensive care unit facilities and the difference in hospice care awareness level. A survey of 160 people including the intensive care patients in capital district areas and their family members was conducted from March $10^{th}$ until $July31^{st}$ of 2013. As an analytical method, the SPSSWIN18.0 program was used and the sample size followed Cohen's sample extracting formula of G*Power 3.1, an analytical program for test power. The mean, standard deviation and regression analysis have been statistically carried out. The results indicate that the care awareness of hospices have meaningful relations with age, religion and marital status. As for the satisfaction level with hospices, the facilities in the countryside are preferred to those in the cities, and the hospice rooms with Korean floor heating system is preferred to rooms with bed. The implication of this study is expected to become a basic reference to the improvement of the hospice system, seen from the result of survey with highly favorable response for care units in hospices.
Korean Journal of Air-Conditioning and Refrigeration Engineering
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v.19
no.1
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pp.94-131
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2007
A review on the papers published in the Korean Journal of Air-Conditioning and Refrigerating Engineering in 2004 and 2005 has been done. Focus has been put on current status of research in the aspect of heating, cooling, air-conditioning, ventilation, sanitation and building environment. The conclusions are as follows. (1) Most of fundamental studies on fluid flow were related with heat transportation of facilities. Drop formation and rivulet flow on solid surfaces were interesting topics related with condensation augmentation. Research on micro environment considering flow, heat, humidity was also interesting for comfortable living environment. It can be extended considering biological aspects. Development of fans and blowers of high performance and low noise were continuing topics. Well developed CFD and flow visualization(PIV, PTV and LDV methods) technologies were widely applied for developing facilities and their systems. (2) The research trends of the previous two yews are surveyed as groups of natural convection, forced convection, electronic cooling, heat transfer enhancement, frosting and defrosting, thermal properties, etc. New research topics introduced include natural convection heat transfer enhancement using nanofluid, supercritical cooling performance or oil miscibility of $CO_2$, enthalpy heat exchanger for heat recovery, heat transfer enhancement in a plate heat exchanger using fluid resonance. (3) The literature for the last two years($2004{\sim}2005$) is reviewed in the areas of heat pump, ice and water storage, cycle analysis and reused energy including geothermal, solar and unused energy). The research on cycle analysis and experiments for $CO_2$ was extensively carried out to replace the Ozone depleting and global warming refrigerants such as HFC and HCFC refrigerants. From the year of 2005, the Gas Engine Heat Pump(GHP) has been paid attention from the viewpoint of the gas cooling application. The heat pipe was focused on the performance improvement by the parametric analysis and the heat recovery applications. The storage systems were studied on the performance enhancement of the storage tank and cost analysis for heating and cooling applications. In the area of unused energy, the hybrid systems were extensively introduced and the life cycle cost analysis(LCCA) for the unused energy systems was also intensively carried out. (4) Recent studies of various refrigeration and air-conditioning systems have focused on the system performance and efficiency enhancement. Heat transfer characteristics during evaporation and condensation are investigated for several tube shapes and of alternative refrigerants including carbon dioxide. Efficiency of various compressors and expansion devices are also dealt with for better modeling and, in particular, performance improvement. Thermoelectric module and cooling systems are analyzed theoretically and experimentally. (5) According to the review of recent studies on ventilation systems, an appropriate ventilation systems including machenical and natural are required to satisfied the level of IAQ. Also, an recent studies on air-conditioning and absorption refrigeration systems, it has mainly focused on distribution and dehumidification of indoor air to improve the performance were carried out. (6) Based on a review of recent studies on indoor environment and building service systems, it is noticed that research issues have mainly focused on optimal thermal comfort, improvement of indoor air Quality and many innovative systems such as air-barrier type perimeter-less system with UFAC, radiant floor heating and cooling system and etc. New approaches are highlighted for improving indoor environmental condition as well as minimizing energy consumption, various activities of building control and operation strategy and energy performance analysis for economic evaluation.
This study focused on changes in form and spatial uses of Urban Hanok in Bukchon, Seoul. There are 10 representative cases which have been renovated through the policy of 'Preservation & Regeneration of Bukchon' by Seoul metropolitan government and other experts. Changes in form and spatial uses of Urban Hanok in Buckon are as follows. First, Changes of scale. Trough removing extension parts, facade of renovated Hanoks are 'transformed' into recovering their identity. Using basements or lofts, intensive application of spaces is transformation which promotes the vitality of Hanoks. Second, changes of space organization. As Hanok changes its function from residence to commercial or cultural use, il a1so changes space character or reorganizes space organization. It is important that deciding function of Hanok has to adjust its scale and organization. Third, changes of construction performance. Through introducing new material and constructing method, performance of wall has been changed respecting its wooden structure and interior-exterior figure. However, technical studies must back it up not to destroy its value of eco-friendly architecture. Fourth, changes of facility systems, like floor heating system. They changes floor level of Hanok equally, and then sections of Hanok have became simple. Furthermore, inserting new facility space, such as boiler room, stand-up kitchen, bathroom and toilet, organization of space also changed. It is necessary that wise alternative proposal through the method of transformation or mutation must be presented. These four changes can be classification into method of 'transformation' and 'mutation'. Changes of scale are method of transformation and changes of space organization are method of mutation. Also, while changes of construction performance are mutation, changes of facility systems are transformation. Recently, as price of lots have been increased, a lot of Hanoks have been commercialized. Thc commercial energy threat 'the identity of Bukchon as residential area'. From now on, to operate 'identity' and 'vitality' complementary, it is necessary to make up for the preservation policy of Hanok and consolidate renovating standards of Hanok which correspond to character of particular region and building usage.
In this paper, the properties of an expansive agent (CaO-CaS $O_4$) for dry shrinkage compensation were investigated by a series of experimental program, which might be used at On-Dol heating system as mortar type. The expansion principle of the CaO-CaS $O_4$ was mainly verified. As a result of this study, the correlation between the content of the expansive agent and the compressive strength was obtained in the form of exponential function(Y = A $e^{-x}$), showing that as the content of expansive agent increased as the expansion performance with the compressive strength increased by only a certain amount. Also, as a results of the analysis of a correlation between the expansive performance and the chemical properties which generally accompanied a part of quality management in manufacturing the expensive cement, the expansive performance was relative to only the contents of the F-CaO among chemical properties(Blaine, +44$\mu\textrm{m}$R, F-CaO, S $O_3$,L.O.I). And it was clarified that the results were relative to the second order function, showing that if the contents of the F-CaO increased the expansive performance Increased.d.
In the meantime, the study of traditional and contemporary house had been produced so many achievements in korea, but modern house is yet to be solved, Accordingly, It is necessary to develop and present the basic research data in order to build up an objective study for urban house in the modern age(1910-1945), Following to a study on the foreigner's house in grid-type settlement of Open Ports, in this research is to investigate and analyze modern houses of urban areas in korean inland, and then clarify types and changes of them. In the first year($1995{\sim}96$), the modern houses of Central Inland Districts(arrounding river Kumgang)-Kunsan kanggyong Puyo Kongju Pugang Chongju were investigated by the layout of room, the construction and materials, the design and style, etc. In the second year($1996{\sim}97$), the modern houses of Open Market(開市場)-Seoul Taegu Kwangju Taejon Chonju were conducted to investigate as above. The traditional house transformed by differentiation and addition of room(kan), the various types were respectively adopted for the korean reforming and western cultural house. In the layout of room, the types of plan were gradually concentrated from the single wings of korean traditional house. The korean traditional house was later improved through the introduction of entrance, corridor, and internal toilet/bathroom. But the korean under-floor heating system(andal) and a series of three rooms had been entirely maintained, composed of master bedroom/living room(daechung)/room. And the traditional town house with shop and storage, being built closely to each other and walled up both sides, it had taken gradually the extensive characteristics in itself. By the displacement of shop/dwelling/ storage. the various types were respectively adopted for the separated, multi-storied, and complex type. The type of them was gradually changed to the narrow and linear form. And so with the stockpile of fundamental datas about modern houses in korean urban areas, we expect these results contribute to the knowledge of the spatial characteristics of urban house at present which are required to the understanding of transition as well as types.
This paper investigates the progressive collapse behavior of 3D steel-framed gravity buildings under fires with a cooling phase. The effect of fire protections and bracing systems on whether, how, and when a gravity building collapses is studied. It is found that whether a building collapses or not depends on the duration of the heating phase, and it may withstand a "short-hot" fire, but collapses under a mild fire or a "long-cool" fire. The collapse time can be conservatively determined by the time when the temperature of steel columns reaches a critical temperature of 550 ℃. It is also found that the application of a higher level of fire protection may prevent the collapse of a building, but may also lead to its collapse in the cooling phase due to the delayed temperature increment in the heated members. The tensile membrane action in a heated slab can be resisted by a tensile ring around its perimeter or by tensile yielding lines extended to the edge of the frame. It is recommended for practical design that hat bracing systems should be arranged on the whole top floor, and a combination of perimeter and internal vertical bracing systems be used to mitigate the fire-induced collapse of gravity buildings. It is also suggested that beam-to-column connections should be designed to resist high tensile forces (up to yielding force) during the cooling phase of a fire.
The ZZimzilbang is a room where many women eagerly go due to the special meaning women give to it related to their health. It is a different type of sauna room which maintains low degree of temperature, consisting of an Ondol room(Korean under-floor heating system, hypocaust) built with mineral stone radiating ultrared rays. Even though many women mention that they utilize it for health, there is no precise evidence of the effects on their health. This ethnographic study sought to define the phenomenon from the perspective of the women who experienced the ZZimzilbang. A convenience sample of 27 women was interviewed during a 15 month period from December 1995 to July 1997 in 12 ZZimzilbangs located in Seoul, Korea. The mean ages of the women 57.3 years ; seventeen women were housekeeper and only eight women had job : twenty women were married and three women among them were widows. The main reasons women patronize the place are : for mitigation and healing of physical signs and symptoms : composure ; safe lodging and boarding : control of outward appearance : control of health ; meeting and fellowship with friends : and custom. The outcomes of the utilization of the place were : mitigation of physical signs and symptoms : psychological tranquility : cosmetic and diet ; good use of spare time : and utilization of services provided there. Most women who visited ZZimzilbang for relief of physical signs and symptoms strongly mentioned a correlation to inadequate Sanhujori, the traditional postpartal and postabortal care for woman. Some of specific kinds of services provided in that place were alternative therapy such as acupuncture, negative cupping, finger-pressure, mugwort steam and various kinds of massage including massage of blood vessels that are influenced by Oriental medicine ; health education of breathing such as abdominal breathing or Danjeon(단전호흡) : and selling of many things including health foods, drugs for osteoporosis, and eutrophics. This study suggests that professional caregivers should further study this phenomenon for the development of adequate care of women with a resulting important in their quality of life.
The purpose of this study was to analyze the state of Vietnamese housing in Korea. Using ethnographic methodologies, it was examined that 22 Vietnamese households in Korea in relation to their usage of housing space. The following conclusion were established; 1). Most of households had kitchen+1 or 2 bedrooms and the majority households preferred separated kitchen and living room areas. 2). Most households had a washing machine in bathroom and they regarded bathtub as not very necessary. They all preferred the bathroom with enough space for using washing machine and hand washing both. 3). Their preferred seating style was using chairs on sleeping as like in Vietnam but they preferred eating without chairs and treated large family and guest without chairs specially. 4). All of them were took their shoes off usually and preferred designated shoes space at the entrance to the house which was not used in Vietnam. 5). A Floor material of all households was vinyl on living room and bedrooms and most of them who had been using tile only in Vietnam preferred vinyl here. 6). All of households had a modified Ondol and most of them who had never been used this before preferred and they regarded as a desirable heating system. 7). They considered the kitchen as the most important housing space and the direction of housing was the one to consider when they built or buy the house.
Journal of the Korean Institute of Rural Architecture
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v.17
no.1
/
pp.105-112
/
2015
The purpose of this study is to analyze characteristics of literature on the residential environments of Korean-Chinese people residing in China. The number of such studies on residential environment is a total of 123, of which 86 (69.9%) are Korean studies and 37 (30.1%) are Chinese studies. Research has been conducted in China since the 1980s, but from 1990s onward, research was conducted in Korea following the establishment of diplomatic ties between the two nations. More studies related to history, society, and tradition have been conducted in China than Korea because China is a multiracial nation and Korean-Chinese people comprise an ethnic minority. In terms of residential environment, the majority of studies are related to architecture and space and are typically focused on villages and housing. Studies on traditional housing of the Korean-Chinese focus on general characteristics of traditional housing, targeting China's three northeast provinces and the Yanbian Korean Autonomous Prefecture of China. Studies on modern housing of the Korean-Chinese have mainly been conducted in Yanji City in China. The reason for this is that 41% of Yanji City's population is Korean-Chinese, a distinct difference can be seen between Yanji City and other areas regarding changes of modern housing, and ondol (the traditional Korean floor heating system) is commonly found in modern housing there.
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