• The Magazine of the Society of Air-Conditioning and Refrigerating Engineers of Korea
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• v.27 no.5
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• pp.476-480
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• 1998

중수도란 한번 사용한 물을 어떤 형태로든 한번 혹은 반복적으로 사용하는 물을 말하며 수도법 제3조에서는 사용한 수돗물을 생활용수, 공업용수 등으로 재활용 할 수 있도록 다시 처리한물을 중수라고 하며 이의 처리시설, 급배수시설, 이용 설비 등을 총체적으로 중수도라고 한다. 국내에서 중수도 시스템을 적용한 최초의 공동주택으로는 '93년 9월에 준공된 산본주공아파트(3개동 415세대)가 최초이며, '94년 1월 현대산업개발에서 군산나운아파트 1개동에 설치한 것이 전부이며 현재는 시설을 운영하지 못하고 있는 실정이다.

• The Journal of The Korea Institute of Intelligent Transport Systems
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• v.11 no.3
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• pp.81-91
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• 2012

The world has been replacing fast fossil fuels vehicles with electric vehicles(EVs) to cope with climate change. The government set a goal which EVs will be substitute at least 10% of the domestic small vehicles with EVs until 2020, and will try to build electric charging infrastructures in apartments with the revision the law of 'the housing construction standards'. In apartments the EVs charging infrastructure and parking space is, essential to accomplish the goal. But the studies on EVs demand are few. In this study, we predicted that the demand for EVs using time-series analysis of statistical data, survey results for apartments residents in the metropolitan area. As a result, the ratio of the EVs appeared to be 6~21% for the total vehicles in a rental apartments for the years 2020, 21~39% in apartments for sales. For the EVs, the maximum power required for 1,000 households in rental apartment is predicted to be about 4200 kwh on a daily basis, while the maximum power in the apartment for sales is predicted to be 7800kwh.

• Journal of the Korea Institute of Building Construction
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• v.11 no.6
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• pp.609-617
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• 2011

For the past several decades, the residential housing market has been led by construction firms rather than consumers; in essence, it has been a suppliers' market. However, the market is experiencing a transition to a buyers' market, the implication of which is that there will be increased competition among the residential building suppliers. For this reason, it is necessary for construction firms to prepare new strategies to respond to the rapidly changing market environment. Furthermore, consumer satisfaction should be valued more highly than in the past, and should be a baseline in formulating construction product development strategy. For the pre-classified 13 apartment building segments, questionnaire surveys are conducted for the 50 CS (Customer Satisfaction) experts to evaluate their perceptions on the weighing of the quality of each apartment segment. Data obtained from a survey of experts was analyzed from an industry perspective utilizing the AHP technique. Analysis results indicate that the CS experts valued the kitchen & dining area more highly than all other segments. Specific analysis results and implications drawn from the study can be a valuable basis for marketing, product development, and quality management.

• Land and Housing Review
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• v.2 no.4
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• pp.397-406
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• 2011

This research aims to develop various infill-systems for practically applying to long-life housing with 100-year durability and flexibility as a strategy for realizing sustainable residential environment. Especially, the developed infill-systems & technologies were concentrated to the mock-up house applied with the standard model of long-life housing, and their in-situ applicability by a phase, experts' consultation, and questionnaire survey were also evaluated. This research was executed to divide by 3 phases. In the First phase infill-systems for a housing unit of $84m^2$ exclusive use area as well as a support of whole structure and infill-systems including dry wall, and windows were constructed, and their in-situ applicability were evaluated. In the Second phase vertical integration of upper and lower housing units of $50m^2$ and $40m^2$ exclusive use area was investigated the first in domestic for 3 housing units of $50m^2$ exclusive use area. In addition, various infill-systems including the horizontal expansion of $50m^2$ and $10m^2$ exclusive use areas were also constructed and evaluated on their in-situ applicability. In the third phase diverse performance tests and field investigation for in-situ verifying of dry Ondol, developed this research, were executed to improve their practicability. Inner dry walls were taken apart, moved and re-constructed for verifying their practicability to investigate 3R-Reduce, Reuse and Recycle-realization too.

• 월간 기계설비
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• s.41
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• pp.64-79
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• 1993

본 논문에서는 도시공해 방지를 위해 도시가스를 연료로 사용하는 경우 거주자의 생활수준이나 단지의 밀도 및 난방부하 설정등에 다소 차이는 있으나 소규모 고층 아파트(공동주택)의 난방방식중 중앙난방 방식과 개별난방 방식의 초기시설비, 연료비, 시설관리비의 경제성을 검토하고 난방 시스템의 지침을 제시하였다. 전체 공사비(초기투자비)는 개별난방 방식이 중앙난방 방식보다 약 2$\%$정도 절감되었다. 난방비와 시설관리에 따른 인건비 면에서도 난방의 경우 개별난방 방식이 중앙난방 방식에 비하여 난방과 하절기 온수만을 별도로 사용하는 경우 개별난방 방식이 중앙난방 방식보다 난방비가 9$\%$정도 더 들었으며, 시설관리 인건비 면에서는 중앙난방 방식보다 개별난방 방식이 66.7$\%$ 적게 들었다. 전체적으로 중앙난방 방식보다 개별난방 방식이 초기투자비 및 유지관리 면에서 경제성이 우수함이 확인되었다.

• Fire Science and Engineering
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• v.27 no.3
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• pp.60-65
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• 2013

EIFS system has the merit of low construction cost and shortening of construction period by easy-to-construct. For such reasons as mentioned above, it has been using across the board such as residential building, school, officetel, building remodeling and so on. It, however, has a drawback of generating plenty of combustible gases from styrofoam which is main material of it. In this regard, measures to prevent losses of life from combustible gases are needed urgently as fires on residential buildings applied EIFS caused human casualties resulted from combustible gases. With respect to the above, this study will analyze the risk of fires on residential facilities, such as multi-family apartment houses, schools and other buildings, applied EIFS which is the most frequently used as material of exterior wall and suggest countermeasure of it.

• Korean Journal of Construction Engineering and Management
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• v.15 no.1
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• pp.39-50
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• 2014

After the global financial crisis, domestic construction industry has gone through a rapid recession. This resulted in gradual market shift towards architectural remodeling. Architectural remodeling not only improves residential environment but it has many advantages such as increase of each unit's exclusive area, free space within the horizontal or extension of an annex building, and increase number of household through splitting the household of bigger pyeong, etc. However, in case of the Korean market for apartment remodeling, due to various regulations and problem with business promotion procedures, majority of business is slow despite the figure that remodeling volume is not that small. Also, feasibility study which decides to push ahead public house remodeling business will have a flaw using net present value's law; it has a flaw of not considering properties of each phase of remodeling business and future's uncertainty. Hence, this research will improve the problem of traditional value assessment method of net present value's law. It will also consider one of the real options such as binomial model in order to supplement NPV which is used in current feasibility study. This research was based on real successful cases of public house remodeling and it was possible for feasibility study which was more realistic and valid. This research provided foundation for development of Korean public house remodeling market. There is high anticipation of increasing the validity by improving the problems of current feasibility study and economic efficiency assessment.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.21 no.12
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• pp.888-895
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• 2020

In the construction industry, off-site construction (OSC) is drawing attention as a production method due to changes in working hours and the supply and demand of manpower. In 1991, there was a policy of spreading and expanding the use of precast concrete (PC) apartment homes, but they have not been actively used so far since they were discontinued due to quality problems. In this study, policy tasks were analyzed to motivate the application of OSC-based PCs in the apartment housing sector, and policy directions were derived by conducting focus group interviews (FGI). Nine policies are suggested regarding the following topics: PC apartment supply quantity provision, priority application of public housing, priority supply of public housing, preferential floor area ratio, funding, tax support, improvement of business area structure, improvement of delivery method, factory certification system, and training of experts. The results of the FGIs are as follows. First, in order to revitalize PC apartment homes, leading efforts from the public sector are required. Second, rather than reorganizing the business sector or introducing a new delivery method, a policy direction that induces the strengthening of cooperation is desirable. Third, PC activation should be promoted on an institutional basis for securing appropriate construction costs and quality.

• The Proceedings of the Korean Institute of Illuminating and Electrical Installation Engineers
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• v.11 no.4
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• pp.92-99
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• 1997

This paper proposed a control method to improve the efficiency of monitoring method by applying the nural network for an alarm processing method(APM)in an elevator facility of apartment complex. This APM is based on the cumulative generalized delta rule of backpropagation in neural network.It was used to infer the minimum alarms among multi-fired alarms, and then the inferred alarm can be dis¬played maintenance information of facility by using a pre-defined troubleshoot knowledge base. For validating the proposed monitoring method of this thesis, simulation results are compared with the operation of existing monitoring system and the way of alarm processing. The simulation method used to the three case of virtual scenario. As comparison results, a proposed method in this paper could be proved the applied possibility of an neural network and the performance in fields of facilities maintenance.

• Proceedings of the Korean Institute Of Construction Engineering and Management
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• 2004.11a
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• pp.468-471
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• 2004

Due to the supply of standard plans disregarding the occupant's of apartment houses preference, the renovation of balcony has frequently been increasingly performed. As a result, the renovation has caused a loss of national economy and many problems. Existing research studies related to the balcony renovation discussed the implement plans on rate and types o( renovation. However the loss cost by balcony renovation has never been researched. This study, therefore, estimated renovation cost by surveys and analyzed the causes of renovation with regard to the selling methods of companies, awareness of occupants and re131e0 regulations.'rhis study proposes a guideline for the rebuilding the balconies of apartment houses to minimize a loss of national economy.