• Korean Institute of Interior Design Journal
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• no.1
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• pp.52-55
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• 1992

The purpose of this study was to suggest the spatial structure among residential behaviors in relation to work space. To find the structure, Multi-Dimensional Scaling analysis was used. Respondents were 349 middle income housewives living in apartments in the area of Caopital region. Data were collected through the questinnaire survey. For the future residential interior design, following points were sugtested. A laundary space neess to be developed independently , being separated from both bathroom and kitchen/dining space. A new area which will give housewives some territoriality and also function as home office needs to be considered. A space configuration which satisfies the organic relationships among laundary behaviors such as washing dying, ironing and folding , needs to be systematically planned, with two adjoining separate zones of wet and dry utility . The present bathroom nees to be more incorporated to the private bedroom rather than to workspace.

• Proceedings of the Korean Institute of Interior Design Conference
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• 2006.11a
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• pp.86-90
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• 2006

Through this study, I conducted surveys on apartments with western style furniture to investigate perception on the western style furniture and its use. For the subject of survey, I selected three apartment complexes at Suji-gu, Yongin city which has been recently developed as a new town. Out of total 150 copies of survey sheets 142 fully answered copies were adopted as a final analysis data. Considering supply rate and application, sofa and chair of dining table were chosen to refer as western style furniture. As a result, most of the respondents had inconvenience in using western style furniture. Further study on side effects of adopting western style furniture should be followed.

• Architectural research
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• v.15 no.1
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• pp.25-33
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• 2013

The amount of construction waste increased to 176,447 ton/day in 2008 from 28,400 ton/day in 2000, a 6-fold increase in just 10 years. Such dramatic increase in the waste of concrete, asphalt concrete, wood and metals was due to demolition of old buildings as well as a great number of building redevelopment projects and hurried city industrialization. Many buildings targeted for demolition today were built in line with the government policy to provide affordable housing to citizens in the shortest time possible and consequently, said buildings underwent rapid deterioration and required periodic repairs and reconstruction. Based on the above, we predict that construction waste will continue to increase for the foreseeable future. In particular, due to limited availability of suitable space to construct apartments and residential buildings in the city, old buildings are being torn down to make space for new development, further increasing construction waste. In light of that, efforts to recycle as well as reduce generated waste are urgently required.

• Proceedings of the Korea Concrete Institute Conference
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• 2006.05a
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• pp.354-357
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• 2006

Recently, remodeling of the reinforced concrete apartment became hot issue of the housing policy in Korea. In Korea, the seismic design regulation has been revised since it was established in 1988 first, in order to minimize the economic losses. It has studied that the apartments that built in 1980's and their new remodeling for seismic performance. Also lateral displacement of remodeling analysis about variation of shear-wall for apartment on the architetural remodeling. Position change by wall quantity is state that study about efficient guide line about apartment wall quantity changed at remodeling because it is factor that can influence on motion of whole building is insufficient.

• Journal of the Korean housing association
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• v.12 no.2
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• pp.143-150
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• 2001

The purpose of this study is to analyze the preferences for urban residence. Data was collected from the people who are working in the CBD area. The results of this study are as following; 1) The 40.3% of people working in CBD area prefer living in the CBD area. It contains 5.6% of people who are working in the CBD area. It can be interpreted that there are some potential residential preference in the CBA area. 2) People who prefer living in the CBD area are shown that they have been working in the CBD area for a long time with their living status of the middle class and their ages over 50. 3) The favorable area for CBD workers is located within 10 minutes by bus or within working distance. 4) Their favorable housing types are respectively apartments, mixed, and single housing. It means that they prefer the mixed functioning type of housing to the apartment. It tells that it is necessary to develop the new types of housing.

• 한국신재생에너지학회:학술대회논문집
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• 2007.11a
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• pp.31-34
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• 2007

Fuel cell with high electric efficiency has many probabilities of commercial use. Especially, polymer electrolyte or proton exchange membrane fuel cell (PEMFC) which is a low operating temperature and has less influence on $CO_2$ concentration is considered the power generation system of small building and household. We calculated the optimal operational plans of 1 kW household PEMFC power system based on daily electric and heat demand patterns of various size of apartments. Calculated results show that the economic feasibility of PEMFC power system is very sensitive to the cost policy of electricity and natural gas.

• Journal of the Korean housing association
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• v.9 no.3
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• pp.133-144
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• 1998

The purpose of this study is to analyze housing expectations and housing preferences of college students' first purchased house for the future. Data was collected through self-administered questionnaires for this study and the samples consisted of 797 college students. This study found that college students preferred a high-rise apartments, a 20-24 pyung (66.0㎡-79.2㎡) house in housing size and relatively new house. The housing features and interior features that college students like to have and expected to have in the first residence were different. Their housing expectations were fairly realistic considering their affordability. College students preferred to furnish video and audio equipments, exercise equipments and ceiling fans. They generally preferred hardwood floorings and decorative moldings and expected to have built-in closet in their master bedrooms. They expected to have linen closets and large mirrors in their bathrooms. They preferred ceramic tile counter tops, wood cabinets, vinyl floorings in their kitchens and they also preferred to use kitchen as a utility.

• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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• 2002.05a
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• pp.598-603
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• 2002

The floor impact noise in apartment buildings has been known as the most sensitively recognized environmental noise. Therefore. inhabitants perceptual evaluation of floor impact noises was investigated by a questionnaire survey. It was found that the respondents perceive the floor impact noises from the upper nor as a constant noise level. However, if there is any child on the upper floor. the respondents felt Its noise as a harshly grating level. It was also found that the larger the respondents house is. the higher their wanted level of noise isolation is. Moreover, it was revealed that the main source of the floor impact noise from the upper floor is a child at the age from six to seven. The results could be used as fundamental data for the research on impact sources and new regulations that fit to Korean perceptual aspects and characteristics.

• Explosives and Blasting
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• v.27 no.2
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• pp.19-25
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• 2009

According to increasing demands for a redevelopment of a wall-slab structure apartment, new explosive demolition methods, which are different from those for RC structure apartment, are requested. In this study, to provide basic design data on explosive demolition of wall-slab structure apartment, wall-slab structure apartments were classified according to building types and dimensions. Also adequate explosive demolition methods for wall-slab structure apartment are analyzed by using blasting pattern factors such as height(H), breadth(B) and length(L) of apartment.

• International Journal of High-Rise Buildings
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• v.5 no.2
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• pp.137-144
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• 2016

This paper discusses the economics of skyscraper construction in Manhattan since 1990. First the paper reviews the economic theory of skyscraper height. Next it documents the frequency and heights of skyscraper construction in the last 25 years. Then the paper reviews the relative movements of office rents, condominium prices, and construction costs. Statistical results suggest that the resurgence of Manhattan's skyscraper construction is being driving by the rise in the average price of apartments, and is not being driven by rising office rents or falling construction costs. Statistical evidence shows that the height premium has not been rising over the last decade. Developers have been purchasing air rights (and bidding up the prices) in order to satisfy the demand for supertall buildings. In the next five to ten years, Manhattan is likely to see over thirty 200-meter or taller buildings, as compared to only four since 2010.