• 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.

• Proceeding of Spring/Autumn Annual Conference of KHA
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• 2006.11a
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• pp.492-496
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• 2006

This study has the purpose a remodeling plan of apartment complexes in residential areas. Based on the analysis on characteristics of circumstance surrounding it and economic gains for the residents who live in the apartments, this study suggests a concrete model to accomplish the purpose. The apartment in Nowon-gu was studied and some apartments which have same characteristics with the target of remodeling plan were interviewed and answered the questionnaire. To grasp the functions required and planning factors of apartment's remodeling, the questionnaire focused on the residents' request in each levels of their own entire hosing complex, just a building in the hosing complex area, and their own household. The conclusion is, (1) The major problems of common apartment complexes were serious aging, insufficient everyday life facilities and high rate of the residents' dissatisfaction. (2) The study suggests remodeling plans of an apartment complexes in each levels of their own entire hosing complex, just a building in the hosing complex area, and their own household, such as, underground parking area, tree-planting of first and top areas, improvement of a housing floor plan, a view of the front side, and so on.

• Korean Journal of Construction Engineering and Management
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• v.13 no.6
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• pp.63-70
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• 2012

The apartment house taking most part of our housing types was facing the limit of consumption from the housing supply-oriented policy in the past of rapid urbanization resulting in being transferred to the housing supply-oriented one. Accordingly the requirement for housing quality by customers is diversified varied, in order to meet this the effective and systematic quality control for preventing the defects from the stage of building is required. In this study for the effective and systematic quality management for defects of apartment house analysis on the frequencies and loss expenses from defective maintenance regarding examples of apartment houses having been moved in within five years recently, and the survey on their dwellers' consciousness were made, and the table for quantified apartment house defective risk.

• Korean Journal of Air-Conditioning and Refrigeration Engineering
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• v.22 no.4
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• pp.234-240
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• 2010

In October 2009, the Ministry of Land Transport and Maritime Affairs noticed 'Environment-friendly housing construction standards and performance' to build energy saving environment-friendly housings (Green Homes) for the reduction of energy consumption and carbon dioxide emission. In this study, the $CO_2$ emissions were evaluated during the life cycle of the existing apartments which were built in 1980's and Green Home apartment. $LCCO_2$ was evaluated by dividing the life cycle into three stages which are construction, maintenance and destruction stage. $CO_2$ emission from the materials for improving insulation performance was estimated by Input-output analysis. As a result, in 40 year-life cycle of $84\;m^2$ apartment, 400.68 T-$CO_2$ was emitted from 1980's apartment, on the other hand 231.02 T-$CO_2$ was emitted from Green Home apartment.

• The Journal of the Korea Contents Association
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• v.8 no.7
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• pp.201-207
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• 2008

The bankruptcy possibility of apartment construction firms has been incresed because of the environment of current apartment construction industry. This paper analyzes the efficiency of apartment construction firms using DEA model. We evaluate the CCR, BCC efficiency and RTS of 25 apartment construction firms. We also suggest the apartment construction firms which can be benchmarked based on analyzed information. The result shows that four enterprises whose values of CCR efficiency are 1, and ten enterprises whose values of BCC efficiency are 1. RTS indicates IRS of 21 firms and CRS of 4 firms.

• Fire Science and Engineering
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• v.12 no.4
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• pp.59-69
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• 1998

As high-rise Apartment buildings increase the importance of fire prevention and escape performance. While these buildings provide dwellers with much more houses, they have the basic escape safety problem in their apartment buildings. In these respect, this study aims to present the Principles of Fire protection for the escape performance of apartment buildings. This study reviews basic theories of escape in apartment buildings. I figure out the characteristics of the fires in apartment buildings by case studying the fire in the apartment buildings, and find out the existing problems for escape performance and fire prevention by surveying. In this study, the major findings are as follows: The planning method should be based on the escape performance. In the planning stage, fire safety should be considered more seriously than law and economic factors.

• Proceeding of Spring/Autumn Annual Conference of KHA
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• 2005.11a
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• pp.43-49
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• 2005

The purpose of this study was to provide the fundamental data for the gradual apartment management plan. Through the questionnaire survey, residential satisfactions and maintenance consciousness were investigated. As the result of statistic analysis, the residents' needs for improvement according to the life span of apartment communities were found out. And we can also compare the differences about maintenance consciousness to the life span of apartment. The major research findings are as follows. First, the satisfaction averages according to the life span of apartment communities were classified two groups, less than 10 years' and over than 10 years'. By the requirement for improvement according as the life span apartment communities, habitability factors was demanded in less tham 10 years' group and safety factors was required in over than 10 years' group, Second, dwellers have high preference about remodeling to reconstruction. Especially we have to pay attention to the result that positive consciousness of remodeling and long term reparative marked highly in the group which has the short elapsed years. These results represent the possibility gradual step-by-step remodeling. In other words, the object of remodeling is not only odeteriorated apartments but also new apartments to have short elapsed years.

• Proceeding of Spring/Autumn Annual Conference of KHA
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• 2005.11a
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• pp.301-306
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• 2005

The purpose of this study is to make clear the cross-ventilation effect by floor plan type in apartment house during summer. The questionnaire survey was carried out during the 26$^{th}$ of August ${\sim}$ the 4$^{th}$ of September 2004. The respondents were 174 residents living in two subject apartment estates. One subject estate (we call A estate) was consisted apartment houses having cross-ventilation floor plan. The other subject estate (we cail B estate) was constructed apartment houses having ordinary floor plan. The field measurements of indoor thermal elements reflecting natural cooling effect by cross-ventilation were carried out at A house in A estate and at B house in B estate. The measurements in two subject houses were taken on simultaneously the 27$^{th}$ of August. The residents living in A apartment estate planed cross-ventilation type show positive responses on thermal sensation and airflow sensation. The averages indoor temperature and air velocity in the A house were 0.9 $^{\circ}$C lower and 0.29 m/s higher than the B house. Therefore, it was found that indoor thermal environment during summer in the house having cross-ventilation floor plan maintained more comfortable than the house having ordinary floor plan by natural cooling effect of cross-ventilation.

• Transactions of the Korean Society for Noise and Vibration Engineering
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• v.14 no.11
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• pp.1137-1146
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• 2004

In an apartment house In Korea, the balcony is one of the important spaces as a buffer zone for controlling the outdoor environments such as noise, heating & cooling load, humidity etc. Because most areas of building facade in apartment building occupy the area of balcony window the sound Insulation design of It Is very Important to provide the quiet indoor environment. The aim of this research is to evaluate the sound insulation of balcony windows in apartment building by new and revised Korean Industrial Standards. We measured and studied the sound insulations of 18 balcony windows by the type of measuring methods, noise sources, correction of reverberation time in balcony and so on. The results show that the single-number quantities for sound insulation of windows are ranged from 24 dB to 30 dB.

• Korean Institute of Interior Design Journal
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• no.16
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• pp.36-41
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• 1998

This study is mainly intended to understand on the plan change of a public room in the apartment. This study is summarized as follows; First how the plane type of an apartment public room in the Capital region has been changed since 1970's in which industrialization has seriously started. Second according to the adjoining types how the features of an apartment plan would be divided into some categories. Third how usable area and public area in an apartment has been changed, The scop of this study is limited to the national standard houses of which usable area is 40-85m2(12.1-25.7pyong) built in Seoul and five new cities from 1970's to the half of 1990's The study is based on documents of 1378 samples extracted classified and analysed the plan in the chronical order. The analysis scope is confined to family's public rooms in an apartment such as a living room a dining room and a kitchen. In conclusion the public rooms such as a living room a dining room, and a kitchen become stereotyped with no specific difference in Korean apartments. Especially LDK type, L/DK type is the most general plan in Korean apartments, and the demand of that type is continuously increasing lately.