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Constructing Database and Social Experiment of Scenic Byway Using the Multi-Transportation of Korea and Japan (복합교통수단을 이용한 한·일 Scenic Byway의 DB구축 및 실현에 대한 과제)

  • Hwang, In-Sik;Baek, Tae-Kyung
    • Journal of the Korean Association of Geographic Information Studies
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    • v.14 no.3
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    • pp.11-21
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    • 2011
  • This study intends to construct scenic byway database and to examine and suggest social experiment of scenic byway. As basis work for the experiment of the scenic byway, we build database by using ITS standard node link management system. The DB includes scenic byway routes of Korea and Japan. The analyses show that the scenic byway in both nations consists of roads, reservation, road sign, vehicle number plate, and it was found that infrastructure and system are inadequate for scenic byway. These experiment can be effectively used for scenic byway in Korea and Japan as the basis data. The results of this experiment will be useful for plan and develop a scenic byway.

Pullout Test Results of Geosynthetics using Granite Soil and Standard sand (화강토와 표준사를 이용한 토목섬유의 인발시험결과 비교)

  • Ju, Jae-Woo;Park, Jong-Beom;Kim, Jang-Heung;Song, Chun Seok;Baek, Kyung-Jong
    • Journal of the Korean Geosynthetics Society
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    • v.4 no.2
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    • pp.39-45
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    • 2005
  • New concept called the pullout resistance angle has been used to express the friction, cohesion and passive resistance by pullout test at geosynthetics reinforced soil. And also in order to calculate the pullout area, the distribution area method has been used, which is a method of using the curve of tensile force exerted in geogrid. The distribution area ratio showed nearly the same result in the two kind of soils, the granite soil and the standard soil. The pullout resistance angle showed the greater value than friction angle of soil in case of low confining stress of $0.2kg/cm^2$, while it showed the smaller angle than friction of soil in case of high confining stress of $0.8kg/cm^2$.

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A Study on the Problems of the Occupants on the Purchasing Housing (住宅 取得시 發生하는 消費者 問題와 對應行動에 관한 硏究)

  • Cho, Hyeon-Kyeong;Kang, Soon-Joo
    • Journal of Families and Better Life
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    • v.10 no.1 s.19
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    • pp.139-156
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    • 1992
  • The purpose of this study is to provide basic data for the solution of occupant problems related to the house purchasing. For the purpose, the content of problems and actual conditions of house purchasing are examined. Also the structural analysis of occupant's evaluation of housing purchasing is executed. For these purposes, a survey was conducted using questionnaires. Data analysis was conducted from 263 house owners in Seoul. Major findings of this study can be summarized as follows ; 1) The frequency and the contend of occupation's problems with house purchasing are studied. The rate of housing problem occurrence is 71.2%, so the majority of respondents experience problems. The most common problems are the difference from supplier's description(53.2%). The rate of housing problems occurrence is qenerally high with the houses of mult-housedhold houses and mult-family houses type. 2) There is a significant difference in housing satisfaction extend according to the existence of an housing problem experience. Therefore, it can be inferred that experience of housing problem has an important effects upon the housing satasfaction extent. 3) Occupants' countermoves to the housing problems are examined. Occupants make active regotiation with house suppliers only on the direct damages such as an economical loss or a living difficulty. However, they usually make no countermove at all on the other indirect troubles. House suppliers make correction only when occupants' countermove actively, but refuse to do when occupant's reactions are not active. 4) As a means of countermove, most occupants depend on direct personal regotiation with house suppliers. The rate of using a specialist or public and private consultant is extremely low. 5) Problems with house purchasing and the countermove process of both occupant and house supplier are displayed in the figure(Fig. 4-4).

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A Comparative Study for Estimation Methodologies of Soil Organic Carbon Stocks for Environmental Assessment on Development Projects (개발사업 환경성평가에서의 토양 탄소저장량 산정방법 비교 연구)

  • Hwang, Sang Il;Park, Sun Hwan;Jeon, Young Bong;Hwang, Joung Bae;Kang, Seon Hong;Kim, Jin Hong
    • Journal of Environmental Impact Assessment
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    • v.23 no.6
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    • pp.445-452
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    • 2014
  • The objective of this study was to propose the best methodology for estimating soil organic carbon stocks during environmental assessment for development projects. We compared three methodologies which were developed by Korea Environment Corporation(2010), Korea Forest Research Institute (2006), and Jin-Hyun Jung (1998). We found that the methodology developed by Jin-Hyun Jung (1998) shows the worst performance and the methodology of Korea Forest Research Institute (2006) does not reflect a variety of soil types and land use characteristics shown in development project plans. Therefore, we propose that the methodology developed by Korea Environment Corporation (2010) is the most reasonable one because it is internationally accepted and used for local governments to make the inventory of greenhouse gases as well as to set up its reduction strategy.

A model study for the rational classification of mixed soil layer (혼합된 토층의 합리적 분류를 위한 모델 연구)

  • Kim, Byongkuk;Jang, Seungjin;Son, Inhwan;Kim, Joonseok
    • Journal of the Society of Disaster Information
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    • v.14 no.2
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    • pp.194-202
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    • 2018
  • Purpose: It is necessary to set up a standardized method for classifying mixed soil layer that contains sand, gravel and boulder for engineering purposes. Method: Different size of soils was classified mixed soil layer by suggests unified soil classification method. Results: This paper suggests unified soil classification model for different size of soils where many authorities have their own system. Conclusion: Soil stratum classification method using appearing frequencies of gravels and weight ratio of boulders could be used to judgement in many cases.

Improvement of Domestic Design Criteria of Tunnel Maintenance Monitoring and Latest Technology Trend (터널 유지관리 계측의 국내설계기준 개선 및 최신 기술동향)

  • Baek, Kyung Jong;Kwon, Young Eok
    • Journal of Korean Society of Disaster and Security
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    • v.7 no.2
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    • pp.9-16
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    • 2014
  • Though the maintenance monitoring of structurally weak parts of the tunnel structure in public service must be judged in connection with the monitoring during the construction period for analysis of the behavior of the ground and surrounding structures following the tunnel excavation for the effective management, the monitoring during the construction period and the maintenance monitoring are implemented separately on the basis of the periods of construction and maintenance, so the connectivity and systematic management of the related data are mostly inadequate. The improvement direction is suggested in this thesis, by analyzing the problems of tunnel monitoring in the domestic design criteria. And, it is anticipated that from now on the use of hi-tech sensors and wireless communications technology will proceed vigorously in the maintenance, so considering these situations, the development and application of the maintenance monitoring system and the revision of the domestic design criteria and specification are needed in the future.

Effect of Stress History on CPT-DMT Correlations in Granular Soil (응력이력이 사질토의 CPT-DMT 상관관계에 미치는 영향)

  • Lee, Moon-Joo;Choi, Sung-Kun;Kim, Min-Tae;Lee, Ju-Hyeong;Lee, Woo-Jin
    • Proceedings of the Korean Geotechical Society Conference
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    • 2010.03a
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    • pp.730-739
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    • 2010
  • Stress history increases in penetration resistance due to the increase in residual horizontal stress of granular soil. This study analyzes the effect of stress history on the results of CPT and DMT from calibration chamber specimen in OC as well as NC state. Test results show that the normalized cone resistance by mean effective stress correlates well with the relative density and the state parameter, whereas the normalized cone resistance with regard to vertical effective stress is a little affected by stress history. The horizontal stress index($K_D$) in DMT more reflects the influence of stress history on granular soil than the dilatometer modulus($E_D$) and cone resistance($q_c$). The $K_D/K_0$, in which the effect of stress history on $K_D$ is compensated by the at-rest coefficient of earth pressure, $K_0$, is related to relative density, state parameter and the normalized cone resistance by mean effective stress. It is also observed that the normalized dilatometer modulus by mean effective stress($E_D/{\sigma_m}'$) is unique correlated with the state parameter, regardless of stress history.

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A Study on the Development Strategy of Continuing Education Package for the Community Health Practitioners (보건진료원을 위한 보수교육자료의 개발방향)

  • Kang Young-Sil
    • Journal of Korean Public Health Nursing
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    • v.6 no.1
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    • pp.5-14
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    • 1992
  • The role of Community Health Practitioner(CHP) should be continuously adapted to the social changes and the needs for health care services. That is the reason CHP needs to be retrained through the continuing education program. This paper showed CHP's roles to be reinforced by analyzing his present . task performance and ability in seven task areas as well as the changes of the social environment. In addition, this paper presented retraining areas needed for the reinforcement of the CHP's role in the future, and the development strategy of related continuing education package. The major results are as follows: 1. CHP's main practice area is health care services and management & guidance, whereas the development of health information system is neglected. 2. As a result, CHP plays a role mainly as a health care supplier, a consultant and a health instructor. Therefore CHP's roles to be reinforced are management of the community health system, act as a spokesman and a team member, promotion, assessment, collection & maintenance of information, coordination and research. 3. The areas to be reinforced in CHP's continuing education are (]) aged people's health, (2)?drinking & smoking, (3)?young people's health(including drug and sexualissues), (4) rehabilitation, (5)?administration and management for community health, (6)?partnership & membership, (7) local residents' participation and community development, (8) collection & treatment of health information and (9) environmental issues for community health. 4. The priority in developing continuing education package should be given to the area, which is encountered often in rural area but important, and has a good opportunity to be resolved. The health management of aged people was selected as a top priority by members of the Community Nursing Academic Society. 5. It is recommended that the instruction materials be accommodated to the small scale workshop or seminar in order that CHPs can participate actively in the continuing education program.

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A Business Model Development System of National Research and Development Environment: The Case of Korean Land Spatialization Group (국가연구개발 환경에서의 비즈니스 모델 개발 체계: 지능형국토정보기술혁신사업을 중심으로)

  • Park, Seung-Wook;Hong, Jin-Won;Bae, Sang-Keun;Kim, Young-Soo
    • 한국벤처창업학회:학술대회논문집
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    • 2009.10a
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    • pp.51-78
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    • 2009
  • Nowaday, management of research and development(R&D) projects is focused on promotion of performance-centric R&D by market and customer-oriented R&D and commercialization, and this tendency is also appeared in national R&D projects. For the commercialization of R&D outcomes, market demand-centric R&D, establishment of commercialization plan in R&D planning and carrying out phase, and communication with external stakeholders are needed, and these activities can be performed more effectively by developing business model. However, systematical procedure for developing business model in national R&D environment haven't suggested by prior researches. Therefore, we propose a business model development system that is reflect characteristics of national R&D environment and perspectives of technology researchers and commercialization experts. Research result is expected to be usefully applied as a guideline for developing business model in national R&D projects.

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Socioeconomic Impacts of Gluten-Free Diet among Saudi Children with Celiac Disease

  • Sarkhy, Ahmed;El Mouzan, Mohammad I.;Saeed, Elshazaly;Alanazi, Aziz;Alghamdi, Sharifa;Anil, Shirin;Assiri, Asaad
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • v.19 no.3
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    • pp.162-167
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    • 2016
  • Purpose: To determine the socio-economic impact of gluten free diet (GFD) on Saudi children and their families Methods: A cross-sectional study was conducted in which an online questionnaire was sent to all families registered in the Saudi celiac patients support group. We included only children (age 18 years of age and younger) with biopsy-confirmed celiac disease (CD). Results: A total of 113 children were included in the final analysis, the median age was 9.9 years; 62.8% were females. One hundred (88.5%) of the participating families reported that GFD food was not easily available in their areas, 17% of them reported that it was not available at all in their area. One hundred and six (93.8%) reported that the price of GFD food was very expensive and 70 (61.9%) families that the diet was heavily affecting their family budget. Significant social difficulties were reported among the participating families and their children including interference with the child's interaction with other children (49.6%), the families' ability to attend social gatherings (60.2%), the families' ability to eat in restaurants (73.5%), and the families' ability to travel (58.4%). Conclusion: There is significant negative socio-economic impact of GFD on children with CD & their families. Health care providers should be aware of these psycho-social difficulties and be well trained to provide a proper education and psychological support for these patients and their families.