• Journal of architectural history
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• v.30 no.4
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• pp.41-52
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• 2021

This study examines the Gyeongju Seokguram Grotto restoration project (1961-1962) by architect Kim Chung Up (1922-1988) and introduces the documents he wrote at the time of planning. The study highlights Kim's Plan attempt to adopt Buckminster Fuller's idea of the Geodesic Dome, while inheriting the architect Pai Ki Hyung's previous design plan which was nullified. As Seokguram Grotto's water leak and deterioration issues have been brought up, the four-times survey was carried out by experts team between 1958 and 1960, under Ministry of Education's direction. Pai designed an initial restoration plan based on the survey's result, which was a double-dome structure with a concrete film on the outer periphery as a way to protect Seokguram Grotto in January 1961. However, as drawbacks, such as the heavy load of the concrete dome, and non-installation of entrance hall, have been indicated in the review process, the Cultural Properties Committee rejected the plan. Subsequently, Kim was appointed as the supervisor of the second restoration project. Kim drew up a process management schedule to be implemented from August 1961 to December 1963 and designed the conception plans for the second restoration design. This study analyzes Kim's Plan by examining sketches, site plans, floor plans, and sections. Kim planned to maintain the idea of the double-dome structure proposed by Pai while applying Buckminster Fuller's idea of the Geodesic Dome. Kim planned to lighten the dome structure by applying a steel-frame Geodesic Dome so that the dome structure could be supported by its own. The study is expected to reclaim the omitted parts from Seokguram Grotto's historical description and Kim's careers.

• Journal of the Architectural Institute of Korea Planning & Design
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• v.36 no.1
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• pp.105-111
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• 2020

The purpose of this study was to empirically analyze the effects of physical environment change on the Crime Prevention Through Environmental Design (CPTED) project implemented in Gamcheon 2 Dong on the fear of crime, neighborhood satisfaction, and neighborhood attachment in the poor. In this study, the data collected through field surveys and questionnaires were analyzed using a structural equation model, specifically the SPSS AMOS 25 program. From the results of the analysis, it was found that the neighborhood satisfaction was enhanced by the improvement in the walking environment and the reduction in the neighborhood disorder level of the target area through the installation of major CPTED facilities. The results of the statistical analysis show that the reduction in the neighborhood disorder due to the CPTED project enhanced the neighborhood satisfaction and the level of neighborhood attachment in the local residents. In addition, the changes in the walking environment caused by the CPTED project had a positive effect on the neighborhood satisfaction, and as the degree of neighborhood disorder decreased, the neighborhood satisfaction increased and the local people's attachment level increased.

• Korean Institute of Interior Design Journal
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• v.23 no.4
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• pp.169-180
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• 2014

Since Seoul city supplied 'Sangsang Children's Park', domestic children's parks are changing from formal facilities to creative play space recently. From eco-friendly safe playground model development project, the awareness of eco-friendly playground, namely children's park is increasing and its necessity is magnified. However, we could not know how well most children's parks aimed at the eco-friendly playground reflect eco-friendly features and whether they are eco-friendly or not because there are not the specific planning guidelines and evaluation standards for making the eco-friendly playground or children's park. Therefore, in this study we established the environment-friendliness evaluation standards of children's parks and estimated the environment-friendly features of the 9 parks built on the subject of green among Sangsang Children's Parks. In the observational survey of the 9 parks, we evaluated the environment-friendliness of these parks in the 8 fields(location and placement, ecological environment, play space, play equipment and facilities, additional facilities, materials and resources, energy saving, environmental load reduction) according to the levels(suitable, partial reflection, unsuitable, non-reflection) of reflection of eco-friendly planning factors. The assessment results showed that 4 items (location and placement, additional facilities, play space, play equipment and facilities) were suitable and others (energy saving, environmental load reduction, ecological environment, materials and resources) were partial reflection or unsuitable. Therefore, on the basis of these results, this study proposed the planning indicators to be considered first and the planning factors that should be complemented and improved in the construction of eco-friendly children's park in future.

• Proceedings of the Korean Institute Of Construction Engineering and Management
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• 2007.11a
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• pp.864-867
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• 2007

Recent advancement in ICT and IT infrastructure drives the construction industry towards a IT-based industry. Accordingly, the importance of the planning phase of a project is significantly highlighted due to recent large-scale national development projects such as U-city and multifunctional administration city. various development and studies are conducted on the convergence of 3D CAD and GIS in order to support the decision making by simulation of each phase of construction prior to the actual construction of a building. However there has been limits to the implementation of the IT technology in the planning phase due to its characteristics such as high reliability on the experts knowledge and the compliance of the administration work. In this study, a trendy issue of the convergence of the GIS technology with the 3D CAD design data is suggested to improve the efficiency of a decision support in the planning phase.

• Water Engineering Research
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• v.6 no.4
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• pp.179-187
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• 2005

This paper introduces the Cheonggye-cheon restoration project. The restoration project aims to revive the 600-year-old city of Seoul by recovering the historical heritage, guaranteeing safety from the deteriorated covering structures, creating the environment-friendly space, and revitalizing the neglected city centers. In order to understand the current hydrological cycle of the Chenggye-cheon watershed, the annual water balance of the region was calculated using the observed data including precipitation, runoff, water supply and sewage, and the changes in the groundwater level. The $2001{\sim}2002$ data were used to calibrate the WEP, and the $2003{\sim}2004$ data were used to verify the WEP. The calibration and validation results for the flood hydrograph how a reasonable value (at Majanggyo station, the R2 for the calibration period was 0.9, and that for the validation period was 0.7). According to the annual water balance of the Cheonggye-cheon watershed for 2004, the amount of surface runoff, infiltration, and evapotranspiration was 1,097mm, 216mm and 382mm, respectively, for an annual precipitation of 1,499mm. The application results from WEP, a distributed hydrological model, provide more detailed information of the watershed, and the model will be useful for improving the hydrological cycle in urban watershed.

• Proceedings of the Korean Institute Of Construction Engineering and Management
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• autumn
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• pp.419-422
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• 2002

The features of modem construction industry can be summarized as specialization, complexity, and large-scale. Therefore, increasing uncertainty of construction project can not be effectively dealt with traditional method used for construction cost management. Cost overrun affects on successful execution of managing construction project in a negative way. Therefore, accurate estimation is a priori for effective cost management. First, this work analyzes the previous cost estimation model for the effective cost management. Then, a standard structure required for developing the cost estimation model for site development was presented. In addition, the cost estimation model which can be used in planning and design phases was introduced by analyzing real site development projects.

• Proceedings of the Korean Institute Of Construction Engineering and Management
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• autumn
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• pp.278-281
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• 2003

The purpose of this study is to analyze CM effects between traditional and owner CM types according to project delivery methods in private projects. The research method of this study includes case studies and survey from construction management experts. The results of this study are as follows: 1)The owner CM type is proved to be much more effective than traditional method in various management function areas. 2)Planning, design, and quality management areas are proved to be very strong in the case of owner CM type.

• Journal of the Architectural Institute of Korea Planning & Design
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• v.35 no.8
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• pp.47-56
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• 2019

The purpose of this study is to explore the possibility of using crowdsourcing as a means to expand the participation of citizens in the process of smart urban regeneration New Deal policy. Using mobile devices, they built a crowdsourcing prototype system that enables residents to provide location-based ideas and opinions about the urban regeneration New Deal policy and share and manage the collected data. The system was applied to the actual urban regeneration New Deal project site to draw implications. The main research results are as follows. First, crowdsourcing is a means of strengthening expertise by utilizing collective intelligence dispersed among local residents. Through the online platform developed in this study, various ideas and opinions of the community can be collected. Second, the procedural legitimacy and transparency of the rehabilitation project can be secured by expanding the participation opportunities of the residents. Third, the efficiency of project promotion can be improved through participation of residents using online platform.

• International conference on construction engineering and project management
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• 2015.10a
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• pp.65-69
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• 2015

The aim of this paper is to identify and rank the main causes of fall accidents from scaffolding according to their relative importance as perceived by project managers and site engineers in construction projects in the Gaza Strip. A total of 50 questionnaires were distributed to project managers and site engineers, 35 questionnaires were received yielding 70% response rate. A total of 33 factors that cause fall accidents in scaffolding were identified through a literature review and consolidated by a pilot study. These factors were categorized into six groups: factors related to erection, factors related to the staff (Scaffolders), factors related to loads, factors related to the personal safety, factors related to the workers behavior, factors related to the personal competencies. The results indicated that factors related to the workers behavior are the major factors that caused fall accidents from scaffolds. The results revealed that the top ranked factors which caused falls accidents from scaffolding were: absence of personal protective equipment (PPE), missing ladders, wind loads, disguised the design code, lack of proper assembly or inspection, overhead tools and materials, climbing and neglect using ladders, lack of guardrails, missing bracing and working during fatigue. These findings would help contractors to understand the top factors that caused fall accidents so that they can take them into consideration in safety planning in order to minimize the possibility of their occurrences.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.11 no.12
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• pp.5134-5142
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• 2010

The purpose of this study is to explore the possibility of the planning method of traditional market as the urban public open space and to attempt to create the essential reformation of traditional market place. The design concepts of the Moran traditional market project are establishing module system based on function of traditional market to accomplish the practical needs of vendor and consumer and expressing the liquid and autonomic characteristics of Moran traditional market to find the new and substantial schemes of public open space. The functional design module of the market place is based on 2.1m $\times$ 2.1m grid system which is minium market unit, and it is extended to 8.4m $\times$ 8.4m basic structural module and to 50.4m $\times$ 50.4m plaza unit.