In this study, an analysis is carried out on the acoustic design for an indoor gymnasium scheduled to be built at Buan County, Chonbuk Province. By way of background, the study examines the case of a large-scale indoor gymnasium that has been constructed in the local area of Hangan-myeon. There are many examples whereby this gymnasium could be used not only as a sporting facility for the residents, but also as a multipurpose space for public performances such as leisure activities, lectures, assembling activities, theatre and concerts etc. In order to maximize the functional utilization of such an indoor gymnasium, it is important to simultaneously verify the acoustic capabilities of the space in terms of Definition of both Voice and Music. However, as a large-scaled athletic facility, the building was designed with a high ceiling-height to accommodate its functional characteristics. The space forms a Sound Focus whereby the sound is concentrated at a specific part, and because the vibration of sound is too loud due to its broad volume, acoustic defects arise such as a significant number of Echoes. Using this gymnasium as a precedent, this study proposes an acoustic design based on the drawings of the indoor gymnasium that is scheduled to be built at B County, Chonbuk Province. The gymnasium is equipped with an optimized acoustic condition passing through the Acoustic Simulation Phase. From the results of an Acoustic Simulation, we can design an indoor gymnasium that is equipped with a considerably satisfying and improved acoustic performance compared with the building before it was reformed. It is also considered that the use of such materials can fundamentally reduce construction costs and can improve acoustic performance, at the planning and design stages for similar sporting facilities in the future.
Proceeding of Spring/Autumn Annual Conference of KHA
/
2011.04a
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pp.141-146
/
2011
The purpose of this study is to investigate the planning of the community spaces for sustainable apartment complex under the aging society. For this, it is needed to identify the practical meaning of community spaces for elderly residents. In many cases, existing apartments' community spaces have been designed without considering the elderly. In order to develop successful environment for aging society, it is necessary for us to precisely review how elderly residents are changing their needs. Survey and depth-interview methods were used for data collection of this study. This study was performed in the five subject apartments located in Haeundae new town, Busan. In planning of community spaces for sustainable apartment complex in the aging society, 1) The population of the elderly in apartment complex has been increased with progress of the aging society, and it has been necessary to enlarge and consider the aging-friendly community space. 2) When the community space is located in a good accessibility, visual openness, multipurpose composition and the center of complex, it was investigated that the degree of its usage was high. 3) Common apartment complex for the elderly was deficient, and the composition and the layout of community spaces were needed, which included sports facility, spaces for leisure culture and study. This study could be utilized as basic data for designing community spaces in apartments from the perspective of sustainable community.
Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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2005.05a
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pp.949-952
/
2005
According to the national space program in Korea, is satellites will be launch into space up to 2015. Especially, KARI is going to develope of its own a high resolution camera of less than 1m to be mounted on next Multipurpose Satellite. When performing testing of large spacecraft or hardware that will be launched into orbit, it is necessary to conduct a testing with space-simulated environment. To achieve this requirement, thermal vacuum chamber is generally used. KARI has been developed a very Large Thermal Vacuum Chamber(LTVC) from 2003 to accomodate future space program, such as KOMPSAT, COMS, and Launch vehicles. This new facility will be used to qualify the first self developed High Resolution Camera, which will be loaded on KOMPSAT-3. To perform an optical test for space camera, it is necessary to provide vibration free environment. Thus the vibration responses on the optical table due to external vibration should be minimized by using a special isolation system. In this paper, we propose the concept design of vibration isolation system for the development of the high resolution camera.
This study suggests the basic data required in setting up the standard for the architectural planning of Korean senior center by analyzing the standard and current situation of a senior center in Japan that has the welfare facility system similar to that of Korea and understanding its architectural characteristics. 1) Basic spaces that constitute the senior center in Japan are meeting room, lecture room, library, multipurpose meeting room, conference room, game-recreation room, kitchen, lounge, locker room and office. ADL, kitchen, relaxing room, private bathroom, and special bathroom are needed for adult day care as establishments as an annex and work room is also required for Job training. 2) The area of a senior center is calculated in consideration of its space organization that are required as basic. For the type "A", minimum area of 1,256.42 $m^2$2 and maximum area of 2,050.56$m^2$ and for the type "B", minimum area of 812000$m^2$ and maximum area of 1,604.14$m^2$ are suggested as optimum areas. 3) The circulation planning is presented by the connected between the space organization as well as the circulation system in day care center.
Journal of the Korean Institute of Rural Architecture
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v.7
no.3
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pp.46-56
/
2005
Social welfare center is a representation agency in the local welfare system to provide the local residents with necessary services directly. The purpose of this study is to give the fundamental materials for space program in terms of planning a social welfare center by means of analyzing spatial arrangement of each section in senior welfare activity. The structure of the social welfare center should be adopted to the reality and the center of local should pay attention to enhance the quality of life in elderly. As the aspects of the programs, distinctive program should be designed. To do so, social welfare center should be adjusted to the local situation and get flexibility on operating in the local level. Each program in senior welfare activity should be connected in the spatial organization and various space should be provided in desire of elderly. So the section of dining room and medical rehabilitation is a places mostly for the elderly. Multipurpose space for the interest and leisure and the space of the senior education facility are provided in social welfare center.
Ji, Un;Jang, Eun-kyung;Bae, Inhyeok;Ahn, Myeonghui;Bae, Jun
Ecology and Resilient Infrastructure
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v.9
no.3
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pp.131-140
/
2022
The magnitude and frequency of extreme floods are increasing owing to the effects of climate change. Therefore, multipurpose flood management techniques incorporating nature-based solutions have been introduced to mitigate the limitations of flood management and river design methods relying on existing observation data. Nature-based solutions to prepare for such extreme flooding events include ways to retreat the embankment, expand the floodplain, and reduce flood damage. To apply these technologies, adopting appropriate location selection methods based on various evaluation factors, such as flood damage reduction effects, sustainable ecological environments, river connectivity, and physical channel structure enhancements, should be prioritized. Therefore, in this study, the optimal location for implementing the multipurpose floodplain construction project was determined by selecting the location of the floodplain expansion with objectivity in the river waterfront area upstream of Daecheong Dam to downstream of Yongdam Dam. Through the final location determination, the Dongdaeje and Jeogokje sections were included in the optimal location considering both flood damage reduction and water environment improvement.
Journal of the Korean Institute of Traditional Landscape Architecture
/
v.32
no.1
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pp.83-92
/
2014
This study has researched the uses and plant materials of bamboo screen from the gardening books in Ming Dynasty: Yuanye (園冶), Zhang wu ji (長物志) and Xian Qing Ou Ji (閑情偶寄). The results were as follows; first, though these books nearly were written nearly at the same period, the bamboo screen was seen in a negative viewpoint or positively endorsed by authors. These show the extinctive process which had used bamboo screen creating for urban seclusion in early Ming Dynasty and that the meaning was changed by the social economic changes in Late Ming Dynasty. Second, the bamboo screen was devised as a support which was trained the branches of the creepers. This was an equipment to maximize ornamental effectiveness with some rose families which produced nearly all year round, and it was involved cultural enjoyment of Chinese indigenous custom. Finally, the bamboo screen was used rose families for the beautiful flowers. And this was constructed as a multipurpose facility which was used as the flower screen in blossoming season as well as the role as wall.
The purpose of this study is to investigate the relationship between the number of first aid training and safety performance. The researcher's questionnaire consisted of three variables: necessity of first aid education, application to security practice, and improvement of job satisfaction. In this study, Chronbach's Alpha coefficients were calculated to measure the internal validity for the reliability of the questionnaire. In order to verify the validity of the measured variables, exploratory factor analysis was carried out using the Berimax rotation method. The mean variance extracted AVE and the conceptual reliability CR value of the measurement result variables were both above the allowable reference value of 0.5 and it was judged to be a good test in terms of intensive validity. As a result of the hypothesis test, the standardization coefficient was 1.106 for 'necessity of first aid education ⇒ applied to security practice work', and 'applied to security work practice ⇒ improvement of job satisfaction' was 1.063 and the relationship of hypothesis 1 hypothesis 2 was significant (+), Respectively. Therefore, in order to increase the job satisfaction of security related workers, it is necessary to support first aid education and to receive first aid education.
Journal of the Korean Association of Geographic Information Studies
/
v.10
no.4
/
pp.46-59
/
2007
Urban infrastructure is a core of urban growth management which concerns with location, time and costs of development. Despite an inevitable link between development density and infrastructure capacity in urban areas, little study have been performed. For this reason, development activities are undergone without any clear evidence or analysis. The main purposes of this paper are to build subject maps of urban infrastructure capacity which illustrate the level of education service and road capacity, and to give reference standard for development decision at given location. For these purposes, the case study of the high-rise multi-purpose buildings in Daegu metropolitan city is performed. The main findings are follows. First, road ratio is high in the CBD and its surrounding areas as well as rural area, and low in areas of manufacturing, parks and military use. Second, educational facility, represented by the number of student per classroom of elementary school, is fairly abundant across the city, especially in the CBD and rural areas. Third, the high-rise multi-purpose buildings have been built in population-losing infrastructure-abundant areas, in general. Based on these results, this study concludes that the high-rise multi-purpose buildings may induce population-inflow and have low possibility to bring about overly dense developments.
Heungdeokjeon was the first pavilion built on the site of Sueocheong during the expansion of Gyeongungung. In this study, we tried to clarify the specific construction process of Heungdeokjeon, which was used for various purposes such as the copy location for Portraits of ancestors, temporary enshrinement site, and the funeral building for the rest of the body, which is Binjeon. In addition, we tried to confirm the historical value based on the characteristics derived by the history of the building and the rituals performed. Heungdeokjeon began to be built in the second half of 1899, and is estimated to have been completed between mid-February and mid-March 1900. It was a ritual facility equipped with waiting rooms for the emperor and royal ladies as an annex. The relocation work was planned in April 1901 and began in earnest after June, and it was closely linked to the construction of attached buildings of Seonwonjeon. In addition, comparing the records on the construction and relocation cost of Heungdeokjeon with those related to the reconstruction of Seonwonjeon, it was confirmed that annex buildings of Heungdeokjeon were relocated and used as annex buildings of Seonwonjeon. The characteristics identified in the process of Heungdeokjeon used as a place to copy portraits are as follows. First, it was used as a place to copy portraits twice in a short period of time. Second, it was the place where the first unprecedented works were carried out in relation to the copying of portraits. Third, the pavilion, which was specially built for imperial rituals, was used as a place to copy portraits. Since then, it has been used as a funeral building for the rest of the body, and features different from those of the previous period are identified. It was the building dedicated to rituals for use as Binjeon, and was also a multipurpose building for copying portraits. In other words, Heungdeokjeon, along with Gyeongbokgung Taewonjeon, is the building that shows the changes in the operation of Binjeon in the late Joseon Dynasty. Characteristics are also confirmed in portrait-related rituals performed at Heungdeokjeon. The first is that Jakheonlye was practiced frequently in a short period of time. The second is that the ancestral rites of Sokjeolje and Bunhyang in Sakmangil, which are mainly held in the provincial Jinjeon, were identified. This is a very rare case in Jinjeon of the palace. The last is that Jeonbae, jeonal, and Bongsim were implemented mutiple times. In conclusion, Heungdeokjeon can be said to be a very symbolic building that shows the intention of Gojong, who valued imperial rituals, and the characteristics of the reconstruction process of Gyeongungung.
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