• Proceeding of Spring/Autumn Annual Conference of KHA
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• 2004.11a
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• pp.381-385
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• 2004

A goal of this research is to propose and testify the remodeling possibility from deteriorated stock apartment housing, to three generation family living in a dwelling unit for low incomes. An apartment housing which is introduced from 1970s, is accumulated over 55% of the stock housing in Korea, many of them are confront with a rebuilding in a short usage of twenty years below. They were built in a small one, and it testified from two to one conversion in this article that can be applicated in a 10, 13, 14, I5, and 16 pyung, the remodeling size became from 20 to 36 pyung. In this article, we can see a reform model in possible for three generation family living in the small apartment house.

• Proceedings of the KSME Conference
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• 2003.11a
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• pp.396-401
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• 2003

In the present study, preliminary investigation were carried out by analysis of energy system(heat and electricity) based on phosphoric acid fuel-cell of 50 kW for eco-apartment houses. Analysis model were consisted of fuel cell energy system, secondary energy unit and residential building of 5 stories with 20 and 40 households. And the investigation results reviewed under load pattern of heat and electric power of the apartment houses. The results showed mismatch between the needed heat load pattern and output of fuel cell energy system. The mismatch rate were assessed about 10-180% of heat load for apartment houses with season. We found that secondary energy unit are needed in order to supply insufficient heat.

• Proceeding of Spring/Autumn Annual Conference of KHA
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• 2008.04a
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• pp.319-322
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• 2008

Designing of the apartment house in present has been contributing to private unit reflected demands and characteristics of residents. However, common space hasn't been designed in various ways compared to unit. Though the main entrance is place to link inner space and out space, to make resident identity and to communicate with neighbors, It has been produced the same type. The space design in 21st century is focusing on contents of space with the development of techniques, and we need to find applicability of new design related to digital technology in apartment house. The purpose of this study is to find applicability of interaction design at main entrance in apartment house for improvement functions of entrance. The results of this study were as follows; The main entrance is possible more active place through the interaction design that would be satisfied with residents needs and functions.

• Journal of the Korean Solar Energy Society
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• v.24 no.4
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• pp.45-53
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• 2004

In the summer, the irradiated solar heat gain through the roof has an effect on the thermal environment of the top floor units of apartment houses. This paper investigated the differences of the indoor air temperature and thermal comfort index between the top floor unit and the middle floor unit by measuring them at the sample houses. The purpose of this paper is to provide quantitative data about the irradiated solar heat gain during the summertime through the roof of an apartment house and these data to be the source to reevaluate the appropriate roof insulation efficiency. From this study, we obtained the brief results as follows. Indoor air temperature at the top floor unit is $1.2\sim2.2^{\circ}C$ higher than that of middle floor unit. The evaluation of the indoor thermal comfort index at each sample rooms reveals notable thermal differences between the two units. Top floor units need more cooling load during the summertime compared to middle floor units. Therefore, solutions to reduce solar Heat gain at top floor units to be considered.

• Journal of the Korean housing association
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• v.7 no.2
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• pp.131-137
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• 1996

This study was aimed at providing valuable information that can help the government and the housing development staff deal with the problem with ‘Redevelopment Apartment Rehabilitation’ in Ulsan city.For the purpose of this study, questionaire are constructed with contents about socio-demography factors, housing factors. attitute forward reconstruction, and housing needs of respondents. questionaire were collected from 232 housewives living in old-aged and deteriorated apartment houses in Ulsan. Apartment houses of respondents are 5 floor. more than 100unit houses. and above 10 years old the living size of apartmet is less than 25 pyoung(82.5m2) per unit house and average living size is 16~20 Pyoung(52.8m2~66.Om2)/unit house. Average family size is 4-5 persons. and average income is about 1,200,000 Won(about $ 1,500) Per month. The major findings are as follows :First, they want the reconstruction of old-aged and deteriorated apartment house very positively.Second. they want high rise building, more lager parking lot. market. sports facility. and play yard for children. Third they want that size of unit house is 26~30 pyoung85.8m2~99.0m2). the number of room is 3~4, the number of bathroom is 1-2. and type of access is stair style.

• KIEAE Journal
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• v.12 no.1
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• pp.83-90
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• 2012

Over the world, social demands and concerns of energy and resource depletions and environmental conservation have resulted in many researches and applications on sustainable development and construction. In order to support these demands and concerns, international green building certification systems such as LEED(Leadership in Energy and Environmental Design) and BREEAM(Building Research Establishment Environmental Assessment Method) were developed. In Korea, the green building certification system was introduced in 2000 and widely applied to all types of new buildings in order to induce the diffusion of sustainable buildings on May, 2010. This paper investigates the importance of assessment criteria on multi-unit apartment projects among certification rating systems using the AHP(Analytic Hierarchy Process) method and suggests a new direction on certification assessment standards. For applying the AHP method, the survey of staffs in green building certification consulting companies and architectural design companies was conducted via e-mail. As a result, criteria like energy, indoor environment, land use, pollution control, and ecological environment among 9 main ones turned out important on assessing green building certification at multi-unit apartment projects, while criteria like water resource, transportation, maintenance management, and material and resource did relatively unimportant.

• Journal of the Architectural Institute of Korea Structure & Construction
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• v.36 no.2
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• pp.155-163
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• 2020

Indoor airborne particles are consisted of outdoor- and indoor-generated particles, which can be characterized by their compositions, generation features and toxicity. The identification of source contribution of indoor and outdoor origin to indoor particles is important to understand PM_2.5 transport in a building as well as its impact on occupant health. The objective of this study is to investigate seasonal source contribution to indoor PM_2.5 concentration depending on airtightness of apartment units. To evaluate the source contribution, particle transport including penetration, generation, exfiltration in an apartment housing unit was simulated by using CONTAM with particle and airflow simulation parameters obtained from field measurements. The result showed that the outdoor source contribution to indoor air was relatively dominant in the leaky housing unit during spring (77.2%) and winter (73.9%), and the indoor source was dominant in the airtight housing unit during summer (60.3%) and fall (60.7%). These results indicate the seasonal health risk of indoor PM_2.5 can be varied according to airtightness of apartment units.

• Journal of the Korean housing association
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• v.13 no.6
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• pp.101-110
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• 2002

The purpose of this study was to examine needs of residents on the storage according to unit size in apartment. In order to achieve our goal, the questionnaire survey was used. We sampled the questionnaire surveys of 250 households in Seoul whose apartment sizes had been more than 20 pyung. The data collected by the questionnaire survey was analyzed by examining the frequency, percentage on the SPSS/PC+. The results of the study were obtained as follows: 1) In research on the actual storage condition, Residents tended to feel constraint on the storage of the season goods and the storage satisfaction on the service area was found lowest. Therefore, there needed to design the balcony more efficiently for the storage and the interior storage for the season goods. 2) In research on consciousness and attitude about the storage, residents tended to keep the goods of no use and prefered to arrange neatly rather than use conveniently. Therefore, there needed more efficient space in the balcony for the storage of the goods of no use and the closed furniture rather than the open furniture was suited for arrangement. 3) In research on the storage needs, needs for the built-in furniture in all apartment sizes showed highly and residents wanted a space for the exclusive use of the storage. In a solution, it was proposed to equip with the interior storage and the exterior cooperative storage. In the conclusion, needs of residents on the storage according to apartment size were different little. The small size apartment had the serious storage problems and wanted the efficient space plan for storage.

• Journal of the Korean housing association
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• v.19 no.3
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• pp.11-20
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• 2008

The purpose of this study was to find out tendencies in the planning characteristics focused on the community, single building, shared spaces and interior concept of apartment houses in Daejeon City, and to analyze these characteristics according to apartment unit floor plan based upon the arrangement of room, the type of main entrance, the type of LDK, anbang, kitchen, bathroom and the 3rd space. This study used the content analysis method and analysis was made on drawings and descriptions showing planning characteristics of apartment houses. Above all, 34 cases of apartment houses and 159 unit plans were analyzed. The results of this study were as follows: 1) The most important characteristics of the direction of housing development was the "well-being" concept including greenzone and natural environment. The most mentioned community spaces were children's playgrounds and parks. The emphasized interior concepts were noble, well-being and natural concepts. 2) The most prominent front arrangement type was the 3-bay unit plan, front space arrangement was focused on rooms and, livingroom. The most prominent front space arrangement types were R/L/R, R/L/R/R and there is a new tendency towards KD/L/R/R. 3) The most prominent LDK floor plans were of the LDK type. The type of "Anbang" arrangement consisted mainly of room-bathroom-dressing room. The type of public bathroom arrangement consisted mainly of bathtub-toilet-washbasin and the "Anbang" bathroom arrangement was shower-booth-toilet-washbasin.

• Proceeding of Spring/Autumn Annual Conference of KHA
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• 2006.11a
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• pp.352-356
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• 2006

This study aims to analyze the current status and characteristics of apartment house unit plans towards spatial differentiation. The 172 house units from 32 housing complexes were selected for this analysis. In this study, factors of residential space plan especially in an apartment house are categorized into general characteristics on floor plan and factors for spatial floor plan. The Primary findings are as follows: (1) General characteristics on floor plan are analyzed based on space organization, area and number of bays. Among apartment houses over 40 pyeong, it seems that differentiation is well applied with various space plans available. (2) A result of an analysis on the factors for spatial floor plan shows that planning a living room with two-open-sides seems to be more common in the tower-shaped apartment blocks which are now on the increase. Moreover, many of them are adopting movable partitions to reflect resident's various demands on space plan. Among all, the extra kitchen in the balcony is planned high portion of 80.4%. And diningroom is positioned on the front side of the residential space along with a livingroom(19.2%). More frequently, dining area tends to face the living room(30.2%) according to the result. Besides dress rooms begin to be placed in each of the bedroom, once planned in one bedroom only while 18.6% of the apartment houses are placing new storages in the entrance to solve lack of storage space due to balcony extension.