• International conference on construction engineering and project management
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• 2015.10a
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• pp.595-596
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• 2015

Growing demand for traditional Korean housing, modernized Korean traditional housing (Hanok) was developed as a way of providing Hanok for the public. However, the standard cost data for Hanok has limitations, as it was developed based on single mock-up project actually constructed and verified by another mock-up Hanok. In order to meet these research objectives, daily report composition which is easy-to-use for on-site workers and managers and also easy-to-accumulate standard cost data was developed first. Secondly, access to the system was made easy through a web server. Finally, an automated calculation formula was inserted to allow the last inputted data to be automatically included for adjustment of standard costs. This system was designed from an industry perspective so that any unspecified and nonprofessional users can easily use. For the users, it has an advantage that on-site workers are provided with a daily report system through web server and also they are able to complete such reports through simple input and output without any additional forms.

• Journal of Digital Convergence
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• v.15 no.8
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• pp.203-212
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• 2017

The National Housing Bond Information Relay System is a representative financial information relay system in which institutions are connected with center system. A centralized structure is expensive to construct and operate center, and there is a problem that all networks are disconnected when a failure occurs in the center system. In this paper, we propose the national housing bond information relay system model based on Blockchain technology that can process information safely and efficiently. The proposed model constructs a Blockchain network so that each institution that processes the national housing bond information can transmit information safely, and each institution manages the same distributed ledge by a smart contract. The proposed model can reduce the cost because it can process complicated national housing bond transaction information without a relay center, and a network usage and disk usage decreased by 1.7% and 8.53%.

• Transactions of the Korean hydrogen and new energy society
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• v.23 no.5
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• pp.484-492
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• 2012

The TMS(Thermal Management System) heater in a fuel cell vehicle has been developed to prevent a decline of fuel cell durability and cold start durability. Main functions of the COD(Cathode Oxygen Depletion) heater are depletion of oxygen in a cathode as heat energy and consumption of electric power for rapid warming up of a fuel cell stack. This paper covers subjects including the design specification of a heater, heater controller for detection of overheat and reliability assessment including coolant pressure cycle test of a heater. To verify the design concept, burst pressure and deformation analysis of plastic housing were carried out. Also, temperature distribution analysis of heater surface and coolant inside of housing were carried out to verify the design concept. By designing the plastic housing instead of a steel housing, the 30% weight lightening and 50% cost reduction were attained. A module-based design of a TMS system including a heater or reducing the watt density of a heater is a problem to be solved in the near future work.

• Journal of the Korean Home Economics Association
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• v.49 no.1
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• pp.41-53
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• 2011

The purpose of this paper was to examine the management of Environmentally Friendly Planning Features(EFPF) in condominium with Green Building Certification(GBC). A questionnaire survey was conducted among management office staff and residents on six housing estates in Seoul. The data from 200 respondents were analysed using descriptive statistics and t-tests. The main findings were as followings : 1) Most of the staffs considered that garbage collection and recycling, and green spaces were well-managed. 2) The residents indicated that garbage collection and recycling, and green spaces were properly handled, but they failed to recognize these as EFPF. 3) Residency duration was unrelated to the residents' perceptions of the EFPF and their management. In conclusion, neither the residents nor the staff were aware of the GBC system or that their housing estates were built using EFPF. To remedy this, it can be assumed the residents' lack of appreciation of the EFPF can be resolved if they participate in the management of these features. So the residents will need education, and the management staff will require professional training.

• Korean Journal of Construction Engineering and Management
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• v.24 no.5
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• pp.35-43
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• 2023

Along with the increase in Multi-unit housing defect disputes, the importance of defect management is also increased. However, previous studies have mostly focused on the Multi-unit housing's 'common part'. In addition, there is a lack of research on the system for the 'management office', which is a part of the subject of defect management. These resulted in the lack of defect management capability of the management office and the deterioration of management quality. Therefore, this paper proposes a machine learning-based defect data management system for management offices. The goal is to solve the inconvenience of management by using Optical Character Recognition (OCR) and Natural Language Processing (NLP) modules. This system converts handwritten defect information into online text via OCR. By using the language model, the defect information is regenerated along with the form specified by the user. Eventually, the generated text is stored in a database and statistical analysis is performed. Through this chain of system, management office is expected to improve its defect management capabilities and support decision-making.

• Journal of Families and Better Life
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• v.16 no.2
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• pp.71-82
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• 1998

This study aimed to aimed to obtain some basis data for the housing consultation and information about housing through survey of needs for the housing consultation. Respondents were housewives from 395 households living in Seoul area. Questionnaire was used for survey and the collected data were classified by two items such as types of residence and age of housewives. The survey was performed during two weeks in September 1997 and analyzed by frequency mean and percentage using SAS program The finding are as follows; (1) According to the actual conditions of housing consultation the main source of information related to housing was a newspaper Those who had experience detached house had much more opportunities than those of multi-family house. The most frequent agency for housing consultation was a realty dealer showing 65.8%. However the percentage of visiting permanent housing exhibition centers was high among the people aged 20 to 30, noted 20.4%. (2) Level of understanding housing consultation showed 3.45 points among 5. This result indicated that the service system of housing consultation were required. Architects and interior designers were most preferred as specialists whom the respondents wanted to consult with . As to the contents of consultation the most required item was changing of interior space(22.6%). In case the housing information leaflet is sold the respondents were willing to pay 523 won for each of it. (3) Among leaflets related to various information leaflets about housing purchase were most preferred(21.0%) According to the result of the survey the need for the information about housing purchase indicated higher preference than about housing management. The fact could be thought that consumers' consciousness of housing should be changed. Therefore it is desirable to lead consumers to lengthen the expected life span of their house and value happiness of the house by providing them with consulting systems about housing management throug housing consultation materials and development of its programs.

• Korean Journal of Construction Engineering and Management
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• v.2 no.1 s.5
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• pp.57-67
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• 2001

In 1999, a residence stock amounts to 11 million units and apartment housing holds 57.6 percent of the residence stock. Without proper remodeling for apartment housing, a significant portion of them would be expected to be demolished shorter than their life-time due to socioeconomic reasons. Apartment housing is maintained depending on government regulations such as 'Housing Construction Promotion Code' and 'Apartment Housing Maintenance Ordinance'. However, there are many problems with implementation of them. In order to solve the problems, we focus on the remodeling system that includes Maintenance of Apartment Housing, Finance and Taxation, Special Repair Appropriation Budget, Resource Quality and Standard Plan, and Remodeling associated with the code. And this study, which being compared with the foreign remodeling system, presents the improvement scheme of system for apartment housing remodeling. This study aims to promote remodeling apartment housing and provide the suitable scheme for remodeling activities.

• KIEAE Journal
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• v.8 no.2
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• pp.79-86
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• 2008

A housing project is very sensitive the changing environment. Therefor, a housing project is the high risk. Therefor in order to be succeed the project it becomes necessary to effectively manage the risk involved in the process of the housing project. This study analysed the risk factors that involved in the process of the housing project as compared with the precede research. The results of this research are as follows : First, complete feasibility study and verification with conviction in market and environment are required. And, securing organization and specificity for simulation and variation of environment are required in the process by step. And then, complaint and flaw are required in the final stage. The results of this study can be used as the guideline to make the risk management system for the housing project.

• Proceeding of Spring/Autumn Annual Conference of KHA
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• 2005.11a
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• pp.337-340
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• 2005

The aim of this study is to provide primary data to propel business intended for the entire nation through the analytic assessment of the propulsion process of the newly attempted 'Dagagu' Housing Purchase and Public Rental Program (DPPRP) for the cities low income bracket. The study method was to conduct analysis of data, interview survey, onsite tenant interviews and examination of the locale in order to analyze the execution of the program and experiences of the administrator in charge of executing the model program. In the case of the enforcement of the 'Dagagu' Housing Purchase and Public Rental Program(DPPRP), combined teams of the specialty fields of purchase, rental, and management are needed; operation propulsion system of the purchase process of the housing, rental process for selecting the tenant, and the entire process of management afterwards needs to be maintained; and a collaboration system with related organizations need to be constructed.

• Korean Journal of Construction Engineering and Management
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• v.14 no.5
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• pp.3-11
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• 2013

The government has made a lot of efforts to realize 'low-carbon green growth', one of the national policy agendas, throughout the whole industries. The construction sector is not an exception, and technological developments are active to reduce energy consumption and greenhouse gas emission. In particular, buildings occupy more than 20% of the total national energy consumptions. Thus, it can be said that increasing energy efficiency of the residential buildings and reducing CO2 emission are the urgent national agenda. Moreover, as ordinary people find it more and more difficult to get a lease on housing, which has become an important social issue recently, a housing production system that can actively respond to market demands is in urgent need. To build an eco-friendly system that can maximize efficiency in construction, this study attempts to examine and analyze the modular housing production system in the county and to find its problems. By suggesting the ways to improve the system, it aims to prepare for the base to revitalize the unit modular housing production system.