This paper presents the experimental application of a new method for seismic vulnerability assessment of buildings recently introduced in literature, the SMAV (Seismic Model Ambient Vibration) methodology with reference to their operational limit state. The importance of this kind of evaluation arises from the civil protection necessity that some buildings, considered strategic for seismic emergency management, should retain their functionality also after a destructive earthquake. They do not suffer such damage as to compromise the operation within a framework of assessment of the overall capacity of the urban system. To this end, for the characterization of their operational vulnerability, a Structural Operational Index (IOPS) has been considered. In particular, the dynamic environmental vibrations of the two considered strategic buildings, the fire station and the town hall building of a small town in the South of Italy, have been monitored by positioning accelerometers in well-defined points. These measurements were processed through modern Operational Modal Analysis techniques (OMA) in order to identify natural frequencies and modal shapes. Once these parameters have been determined, the structural operational efficiency index of the buildings has been determined evaluating the seismic vulnerability of the strategic structures analyzed. his study aimed to develop a model to accurately predict the acceleration of structural systems during an earthquake.
For the information on micellization at each ginsenoside level aqueous solution of purified saponin of Panax ginseng root was dialyzed through dialysis tubing (MW 12,000) or eluted through Bio-Gel P-2 (MW 200-2,000) and analysed for ginsenosides by high performance liquid chromatography. Ginsenosides can be classified into three groups depending upon molecular aggregation pattern and spatial arrangement of hydrophilic parts in molecule. Group I that is large micelle former(aggregation number: above 10) and one side hydrophilic part (HP) includes $ginsenoside\;Rb_1$, $Rb_2$, Rc and Rd (diols). Group II thai is small micelle former (aggregation number:>10-1) and semi-two sales HP includes $Rg_2$, Rf (triol) and $Rg_3$ (diol). Group III that is no micelle former (aggregation number: 1) and two sides HP includes Re and $Rg_1$ (triol).
Proceedings of the Plant Resources Society of Korea Conference
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2018.10a
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pp.24-24
/
2018
Degraded plantation forests are increasing because of unfavorable forestry conditions prevailing in Japan, including falling timber prices, increasing operational costs, and aging and declining forestry workforce. To remedy this situation, appropriate management strategy is required. This study introduces the challenges of Odai Town, Mie Prefecture that employed a new management strategy by evaluating site suitability for conifer forests and that proposes a new forest management regime of planting deciduous trees in unsuitable sites. The site suitability for conifer forests was evaluated from two aspects: the natural site conditions and the relationship among site conditions, growth, and damage by Anaglyptus subfasciatus Pic. in Cryptomeria japonica D. Don and Chamaecyparis obtusa Sieb. Et Zucc. forests. By analyzing the relationship among site conditions, growth, and insect damage based on field data obtained in plantation forests, growth evaluation and insect damage evaluation maps were developed. Based on the natural forest investigation, natural site condition maps for C. japonica and C. obtusa were established. Furthermore, by integrating these evaluation maps with the forest road maps showing the accessibility to the forest, the forest management regime for the whole plantation area of Odai Town was established. The forest management regime map indicates the sites suitable for forestry: suitable for long-rotation, short-rotation, and potential sites for short-rotation. The sites unsuitable for forestry were considered to be more suitable for broadleaved forests. Clear-cutting was conducted in a small area and different seral stage saplings (approximately 20 deciduous tree species) suitable to the site conditions were planted in an area of $80-120m^2$ protected by deer-fences. This might establish a forest composed of many species with a multilayer vertical forest structure in a short period. The planted saplings were distributed neither randomly nor uniformly to reflect the natural distribution of trees in the forest. A challenge to develop new products using the deciduous trees has started, such as wood chips for preparing smoked food, essential oil, and deodorizer. As these challenges have just begun, their effects on enhancing sustainable resource management are still being monitored. Even with the challenges, this regime can be of high value as a management strategy to remedy the situation of expansion of degraded forests in Japan.
During the 1990's, five new towns were constructed around Seoul such as Bun-Dang and Il-San. These new towns are very popular since they were created based on systemic urban planning and they provide various residential amenities. Many people consider them livable cities. Taking such advantages, other small-scale new public and private developments continued around those new towns and consequently created 'agglomerated region with new development'. The most representative area is Bun-Dang and north-western Yong-In area which are formed along the Seoul-Busan expressway. This area is a mega-community having more than one million residents in 2005.Judging from recent development trends in the Seoul metropolitan area, it is expected that the formation of other 'agglomerated region with new development' would be continued for the time being. This study is aimed to analyze the residential environment of Bun-Dang and north-western Yong-In and find implications to the management of 'agglomerated region with new development'. The relevant existing studies have their limits, only focusing on analyzing current conditions and pointing out current problems. This study could be differentiated from the existing analyses in that it conducted comprehensive analyses on various factors that constitute urban residential environment. The conclusion of this study was derived from diverse analyses of current development condition, residential sites, regional transportation, awareness of residents, and oversee cases.
According to Formalist theory, form is not separate from content. Form does not merely convey or express content but can itself produce meaning. The close correlation of the narrative structure, more specifically the time structure of the narrative, and the narrative style of Kim Seung-Ok′s short story′"Travel in Mujin" provides a good example of this argument. The story opens with the first-person narrator, currently living in the bustling city of Seoul, back in his small provincial home town Mujin, where he brings up memories that had been hitherto suppressed. The revived memories are ordered into the narrator′s present thought structure, in effect bridging the vast psychological rift between the lost past and the present. The narrator′s travel in Mujin thus becomes a psychological journey, and Mujin becomes a psychological space where the narrator can experience the continuity of his own being. The "narrating I" excludes the principles of reality from his narrative, concentrating on the inner thoughts, recollections, psychological experience, and the level of consciousness of the "narrated I." This narrative attitude or style expresses the narrator-protagonist′s acceptance and affirmation of the thoughts and actions occur in Mujin (which he had till now been resistant to). It is also an affirmation of the narrative act itself. Before the travel back to Mujin, the narrator-protagonist′s thoughts about his home town was ambivalent-an attitude originating from nostalgia, together with the narrator-protagonist′s ambivalent attitude toward his youthful past. It is a reflection of the narrator-protagonist′s desire for purity intermingled with a disdain for his enervated existence in Seoul. This ambivalence is resolved by the "I" of the narrative present, and Mujin enables him to come to a renewed affirmation of his life.
Journal of the Korean Institute of Rural Architecture
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v.23
no.2
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pp.1-8
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2021
The aim of this study is to find what architectural restoration and street-scaping conservation of early settlement in Virginia, which have processed on the style of 18th centuries. One of the settlements in Virginia was Williamsburg that located in the high land between Jamestown and Yorktown. In 1698, the capital of Virginia was moved from Jamestown for the safer environment. At that time they constructed the town like a small urban that had a straight-lined Duke Glocester Street, Georgian style buildings, and landscapes of 18th centuries. Before 1928 the village was flown into ruins, but Rector of the church, Dr. W.A.R. Goodwin, understood the value of reservation to restore the village as colonial architectural style that has an original figure. John Rockefeller Jr. has taken part in his restoration of colonial style of architecture and culture. This paper surveyed nine cases of buildings and srtreet-scape on Duke Glocester Street. Most of the buildings on the street have a proposition, balance, and equipment of Georgian architectural facade in 18th centuries. The conclusion has three points. First, the Williamsburg has been reserved as an early colonial settlement through the restoration of architecture and street-scape design. Second, main architectural style is a Georgian form that has a balance, proportion, and simplicity of facade. Also new buildings and additions of architecture have to keep 'Design Review Guideline of Colonial Williamsburg' in order to contribute the existing colonial buildings. Third, the main street-scape, Duke Glocester Street shows Georgian architecture and cultural life pattern with tradition.
Kim, Ki-Dong;Lee, Tae-Jung;Jung, Won-Seok;Kim, Dong-Sool
Journal of Korean Society for Atmospheric Environment
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v.28
no.3
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pp.233-248
/
2012
The national emission from energy sector accounted for 84.7% of all domestic emissions in 2007. Of the energy-use emissions, the emission from mobile source as one of key categories accounted for 19.4% and further the road transport emission occupied the most dominant portion in the category. The road transport emissions can be estimated on the basis of either the fuel consumed (Tier 1) or the distance travelled by the vehicle types and road types (higher Tiers). The latter approach must be suitable for simultaneously estimating $CO_2$, $CH_4$, and $N_2O$ emissions in local administrative districts. The objective of this study was to estimate 31 municipal GHG emissions from road transportation in Gyeonggi Province, Korea. In 2008, the municipalities were consisted of 2,014 towns expressed as Dong and Ri, the smallest administrative district unit. Since mobile sources are moving across other city and province borders, the emission estimated by fuel sold is in fact impossible to ensure consistency between neighbouring cities and provinces. On the other hand, the emission estimated by distance travelled is also impossible to acquire key activity data such as traffic volume, vehicle type and model, and road type in small towns. To solve the problem, we applied a hierarchical cluster analysis to separate town-by-town road patterns (clusters) based on a priori activity information including traffic volume, population, area, and branch road length obtained from small 151 towns. After identifying 10 road patterns, a rule building expert system was developed by visual basic application (VBA) to assort various unknown road patterns into one of 10 known patterns. The expert system was self-verified with original reference information and then objects in each homogeneous pattern were used to regress traffic volume based on the variables of population, area, and branch road length. The program was then applied to assign all the unknown towns into a known pattern and to automatically estimate traffic volumes by regression equations for each town. Further VKT (vehicle kilometer travelled) for each vehicle type in each town was calculated to be mapped by GIS (geological information system) and road transport emission on the corresponding road section was estimated by multiplying emission factors for each vehicle type. Finally all emissions from local branch roads in Gyeonggi Province could be estimated by summing up emissions from 1,902 towns where road information was registered. As a result of the study, the GHG average emission rate by the branch road transport was 6,101 kilotons of $CO_2$ equivalent per year (kt-$CO_2$ Eq/yr) and the total emissions from both main and branch roads was 24,152 kt-$CO_2$ Eq/yr in Gyeonggi Province. The ratio of branch roads emission to the total was 0.28 in 2008.
In recent years, the relationship of language maintenance to culture and identity has received increased attention in the language acquisition and education fields. Korean immigrants in the U.S. form one of the biggest Asian groups and their language and cultural maintenance has been a major issue for both parents and ESL teachers. The present research is designed to investigate the cultural and social identities as well as the psychological investment factors that contribute to heritage language maintenance. Three Korean immigrant families in a small Midwest university town in the U.S. were surveyed and later interviewed. Issues and strategies concerning their children's Korean education in the U.S., coupled with the competing goal for the children to learn English were documented through parent interviews and interviews with school-aged focal children. Strategies and stances that facilitate or hinder both heritage and target language maintenance goals are presented along with participants' major reasons for heritage language maintenance in their homes and via Saturday schools. This work will assist ESL teachers and sociolinguists in situating both Korean student and parent goals in the context of shifting cultural and linguistic identities in countries where they have immigrated.
The Journal of Sustainable Design and Educational Environment Research
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v.11
no.1
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pp.11-22
/
2012
This study aims to investigate and analyze the actual conditions of the ecological ponds built in the campus sites of the elementary, middle and high schools which currently manage ecological ponds in order to find problems and directions for improvement concerning the management of the ponds as a way to build nature-friendly ecological ponds which can be used as an ecological work-study site on school campus: this study also intends to provide systematic and technological directions for the management and operation of the ecological pond. This study has selected 10 schools in North Chungcheong Province, where ponds are constructed, and investigated actual conditions of the ponds based on the survey, analysis, and evaluation standards compatible with the school environments, and finally judged the general relevancy of the ponds. The results of this study make us conclude that the most important issue to be considered in the processes of selection and investigation for school ecological pond is the location of the pond.
This paper has attempted to analyze the site planning theories of Raymond Unwin (1863-1940), who is called the father of British town planning. A prominent contribution of his was to establish both the site planning of garden suburb and urban housing style in British type. Here it attempts to analyze how he greatly and firmly established the concept of Housing Group, and how he got this the concept from the life and spatial composition of villages. It could be pointed out that the main factors of the Unwin theory are social mixture, creation of community consciousness and informal landscape design, and that the small enclosed space with plenty of amenity is his main theme. It is pointed out that the Unwin theory is composed of recognizing urban life as totality, and group planning theory, and that he definitely originated a new technique: Housing Group. It is analyzed that the syntactic relations between the group planning theory and housing designs in the English garden suburbs are epitomized in Hampstead Garden Suburb, Middlesex.
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