• Journal of Korean Tunnelling and Underground Space Association
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• v.23 no.6
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• pp.403-421
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• 2021

Most of the urban tunnels in Korea, which are represented by the 1st to 3rd subways, use the drainage tunnel by NATM. Recently, when a construction project that actively utilizes large-scale urban space is promoted, negative effects that do not conform to the existing empirical rules of urban tunnels may occur. In particular, there is a high possibility that groundwater fluctuations and hydrodynamic behavior will occur owing to the practice of tunnel technology in Korea, which has mainly applied the drainage tunnel. In order to solve the problem of the drainage tunnel, attempts are being made to control groundwater fluctuations. For this, the establishment of tunnel groundwater management standard concept and the analysis of the tunnel hydraulic behavior were performed. To prevent the problem of groundwater fluctuations caused by the construction of large-scale tunnels in urban areas, it was suggested that the conceptual transformation of the empirical technical practice, which is applied only in the underground safety impact assessment stage, to the direction of controlling the inflow in the tunnel, is required. And the relationship between the groundwater level and the inflow of the tunnel required for setting the allowable inflow when planning the tunnel was derived. The introduction of a tunnel groundwater management concept is expected to help solve problems such as groundwater fluctuations, ground settlement, depletion of groundwater resources, and decline of maintenance performance in various urban deep tunnel construction projects to be promoted in the future.

• Korean Institute of Interior Design Journal
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• no.16
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• pp.153-160
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• 1998

The past and present time are consistent thinking process system which composed of single concept not separated concept. It's common concept for interior designer to how to realize the thinking process system in actual present day. So this paper was focused on purpose of establishing for procedural process theory by approaching typological process system in interior design process. Interior design being composed of typological thinking process system has been headed as a critical issue to how to transplant well between the design and typological objects. Also we have to be needed to know for the process of visual expression and verbal ability to be able to extract the designer's elements from it. Through the process of visual expression and verbal ability to be able to extract the designer's elements from it. Through the process of visual transformation and analysis we have to extract concepts with united design objects. From these process it should be followed adequate adjudgment on the extracted fragments' assembly and dissociation methods through physical limitation of elements functionality and feasibility's measurements. Therefore from the morphological designed results reflected to typological concepts finished material detail and texture we should be able to take the integrated thinking process system. Lastly interior designer should be able to check whether it was best choice from the consistent design feedback process to ask whether it contains the conceptual design process and new typological objects without non-conformity between past and present days in interior space. Now we should be asked for development of practical design process to be able to realize above assumptions called "Development and Suceeding of Cultural Value System'. Additionally, we have to continue to develop for our true meaning of interior design process, not repetition of past's imitation.tion.

• Journal of the Korean Regional Science Association
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• v.9 no.1
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• pp.79-99
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• 1993

This paper identifies the mechanisms governing the industrial location changes in Korea by focusing upon the emergence of the country's large conglomerate business organizations (chaebols). As the country has distinctive industrial organization, production systems, and government-business relations, this study tries to develop an ideal conceptual framework for the analysis of industrial location changes in Korea. It perceives the Korean economy as a system within which 'space-organizing', lage business organizations interact over time with government, smaller firms and multinational corporations at different geographical scales. The usefulness of the model is assessed using a case study of Korea's most representative chaebol, the Samsung Group. This study identifies chaebols as the dominant institutions in Korean society. Their growth and business strategies have been influenced by the Korean Government through its power to allocate capital resources. Regional dynamics of industry and labor, therfore, have been strongly influenced by changes in the location, industrial structure, and production system of chaebols. With econmic power concentrated within a few giant business groups and their major areas of operation restricted, unbalanced regional development has resulted. Dissatisfaction from residents in less-developed areas has pressured the Government to advise chaebols to disperse their production facilities. Most small and medium-sized firms are closely linked to large corporations through subcontracting. By forming hierarchical subcontracting. By forming hierarchical subcontracting systems, chaebols have indirectly exploited scattered, part-time, home-based, female and lower-paid laborers organized by subcontractors. Further, chaebols have expanded their business arena to encompass overseas locations in a bid to overcome the problem of a small domestic market, trade regulations and increased market, trade regulations and increased labor costs. Through their international business networks Korea's local and regional economies are integrated into the world economy. Indeed, the identification of the changing relationships of chaebols with both the Korean Government and smaller firms is the key to explaining the nations's spatial dyanmics of industry and labor.

• Journal of the Korean earth science society
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• v.30 no.7
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• pp.855-868
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• 2009

The purpose of this study was to investigate how teachers understand the principle of image formation of stars through a telescope. This study was conducted by using explanatory paper questionnaires given to 101 earth science teachers in the areas of Gyunggi province and Seoul. The questionnaires were cross-analyzed by three experts in earth science education. Result indicated that most of the participating teachers did not have systematic concepts about the process of making an image formed by a convex lens. Particulary, they did not sufficiently understand the concepts of an image and the functions of a screen. Furthermore, only 3% of the participants possessed the scientific concepts about the image formation principle of a star through the telescope. Most of the teachers seem to have non-scientific or alternative concepts about the image formation, which was only understanded with the fragmented characteristics about light and convex lens.

• Tunnel and Underground Space
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• v.10 no.4
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• pp.553-558
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• 2000

Since 1977, KAERI has conducted the fundamental R&D on the permanent disposal of potential HLW repository in Korea. The first ten year project is divided into three short-term phase studies. The first phase study which shall be finished in March of 2000, has the prime target to develop the disposal concept of HLW. Throughout this study the preliminary and generic disposal repository system has been introduced. The potential repository is proposed to be emplaced into crystalline rocks which is the most common rock types in Korea. The proposed depth of the repository is between 300 to 700 meter. The numerical code, MASCOT-K was developed to asserts the long term safety of the proposed repository concept. Based on this conceptual design preliminary safely assessment was performed. Results show that for the given disposal system the potential radioactive release it well below the regulatory limit.

• Journal of the Korean Society for Precision Engineering
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• v.33 no.4
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• pp.271-277
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• 2016

For a stable electric power supply in the space, nuclear batteries have been used as the main power source in a spacecraft owing to their long lifetime and high reliability. In accordance with the plan for lunar mission in Korea, nuclear batteries will supply electricity to the rover that needs to be developed. According to the information about the estimated payload, Korea Atomic Energy Research Institute started with the conceptual design based on the previous studies in USA and Russia. Because a nuclear battery converts the decay heat of the radioisotope into electricity, thermal design, radiation shield, and shock protection need to be considered. In this study, two types of nuclear batteries, radial type and axial type, were designed according to the alignment of the thermoelectric module. Heat transfer analyses were performed to compare their thermoelectric efficiency, and test mockups were fabricated to evaluate their performances.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.19 no.3
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• pp.46-51
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• 2018

This study is one of a series of studies exploring the locality of Jeju architecture, in which we focused on the works of domestic architects, rather than those of famous foreign architects, as well as on the locality of the phenomenological aspect rather than the conceptual one, so as to reveal the locality in the present situation. It was revealed that the architects had the following viewpoints with regard to the local characteristics of Jeju: first, the hermeneutic aspect of the locality is the architectural application of the traditional Jeju architecture; second, the phenomenal aspect of the locality involves respect for the landscape and natural scenery of Jeju. There are two main ways in which architects can realize the locality that they envisage. The hermeneutic representation of Jeju would be as a locality consisting of traditional houses. The architects mainly wanted to implement the elements of the private houses through the space layout. The phenomenal representation of the locality would require them to respect the landscape and scenery of Jeju and to implement them in its architecture. This was the case if the landscape or landscape elements were directly borrowed from the buildings, or if the buildings respect the scenery or landscape of Jeju.

• Tunnel and Underground Space
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• v.28 no.5
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• pp.493-511
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• 2018

This paper deals with visual confirmation device for tensile force verification in order to cope with tensile force loss of ground anchor. Ground anchors are constructed to ensure the stability of social infrastructure facilities, but continuous loss of tensile force is seriously concerned about safety of the facilities. This requires the maintenance of the anchors, but the current measuring of residual tensile force is done by sampling, taking into account economic aspects, which limits precision. In this paper, conducted a conceptual design, tensile experiment, and field test for the purpose of developing an anchor tensile force visual device to check the tensile force of the anchors.

• Korean Institute of Interior Design Journal
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• v.24 no.4
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• pp.3-13
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• 2015

For last decades, the interests and efforts to enhance healthcare facility users' experience is focused on improving facility environments for healing (Delvin, 2003) and servicescapes in order to meet the users' needs (Becker, 2008; Seunghee, 2011). In the emerging experience economy, customer want experiences and they're willing to pay for the experiences and memories not goods. (Pine, J. & Gillmore, J., 1999). It is important to identify what supports customer experiences and how they perceive the experiences in healthcare environments and it will provide important information for healthcare planners, managers, architects, and interior designers. This study examines the service user experience design elements from a User Experiences design perspective. It focuses on healthcare facilities as user experience elements and build up a conceptual framework that outlines service user experience design elements in healthcare facilities. Literature review and case studies were conducted to build the service user experience design elements according to affordance theory. Findings from this study shows that service user experience design elements were introduced and newly developed which can be categorized into three factors; 1) Functional experiences in the physical environments (safety, accessibility, self-directiveness), 2) emotional expression and cognitive experiences (identifiability/clarity, natural features/pleasant environment, aesthetic elements/playful space, media richness), 3) social relational experiences(closeness, privacy, communication with staff, integrated system). These service user experience design elements will help healthcare facility designers to understand what customer experiences, how they increase the satisfaction, and how they improve facilities for modeling the industry's best practices.

• Korean Institute of Interior Design Journal
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• v.26 no.4
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• pp.84-92
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• 2017

Just as the front gate is located at the meeting point between the house and the street, the Subject and the Other face each other the same way. This study examines the relationship between House(subject) and Stree (other) at the boundary of the Front Gate-Face. Pursuing the aspects of the changing Front Gate-Face accordingly to the attitude of the Subject facing the Other, this study tries to analyze the possibilities and significance of the hospitality Front Gate-Face with the ethical point of view of Levinas. As architectural instance, results of examining the Front Gate-Face of traditional houses in Korea, China and Japan are as follows. Front Gate-Face of China is characterized by self-centered introversion to interact with the external world (the other). Front Gate-Face of Japan is characterized by a humble submission to the group. Front Gate-Face of Korea shows however more flexible relationship orientations in terms of hospitality, compared to Japan or China. When looking through hospitality factors, accordingly to the above mentioned Korean hospitality characteristics, the possibilities seem not be exclusively bordered inside the conceptual category perimeter suggested by Levinas' concept of hospitality. It is almost impossible for the nowadays ever-strong privacy culture to not allow room for the architectural structure of an absolute hospitality toward others. However, this impossibility not being absolute, still yields a space for a significant possibility to explore.