• Smart Structures and Systems
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• v.21 no.1
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• pp.15-25
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• 2018

This work presents the buckling investigation of embedded orthotropic nanoplates such as graphene by employing a new refined plate theory and nonlocal small-scale effects. The elastic foundation is modeled as two-parameter Pasternak foundation. The proposed two-variable refined plate theory takes account of transverse shear influences and parabolic variation of the transverse shear strains within the thickness of the plate by introducing undetermined integral terms, hence it is unnecessary to use shear correction factors. Nonlocal governing equations for the single layered graphene sheet are obtained from the principle of virtual displacements. The proposed theory is compared with other plate theories. Analytical solutions for buckling loads are obtained for single-layered graphene sheets with isotropic and orthotropic properties. The results presented in this study may provide useful guidance for design of orthotropic graphene based nanodevices that make use of the buckling properties of orthotropic nanoplates.

• Earthquakes and Structures
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• v.15 no.3
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• pp.253-261
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• 2018

This article details a bridge-specific fragility method developed to enhance the seismic design and resilience of bridges. Current seismic design processes provide guidance for the design of a bridge that will not collapse during a design hazard event. However, they do not provide performance information of the bridge at different hazard levels or due to design changes. Therefore, there is a need for a supplement to this design process that will provide statistical information on the performance of a bridge, beyond traditional emphases on collapse prevention. This article proposes a bridge-specific parameterized fragility method to enable efficient estimation of various levels of damage probability for alternative bridge design parameters. A multi-parameter demand model is developed to incorporate bridge design details directly in the fragility estimation. Monte Carlo simulation and Logistic regression are used to determine the fragility of the bridge or bridge component. The resulting parameterized fragility model offers a basis for a bridge-specific design tool to explore the influence of design parameter variation on the expected performance of a bridge. When used as part of the design process, these tools can help to transform a prescriptive approach into a more performance-based approach, efficiently providing probabilistic performance information about a new bridge design. An example of the method and resulting fragility estimation is presented.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2018.05a
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• pp.200-202
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• 2018

Emergency care provides primary care and stability for the patient in the early stages. It saves a patient's life and minimizes the risk until that treated in a hospital. In the recent years, An attempts have been made to convergence medical technology and IT technology to overcome the limitations of temporal, spatial, and medical technology applications. In this study, we established an environment for emergency information services. The developed smart application for emergency rescue activities support can easily identify emergency situation and First Aid. Then, it can be transmitted to a remote medical guidance doctor so that emergency treatment and hospital response can be performed quickly.

• Child Health Nursing Research
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• v.12 no.1
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• pp.5-14
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• 2006

Purpose: The purpose of study was to describe and evaluate the educational status regarding clinical practicum for child health nursing to facilitate student's clinical compliance for the bachelor's degree in Korea. Methods: The study was a descriptive study and included data from 40 institutions among the 53 university nursing programs in Korea(75.5% response rate). Data were collected using mailed semi structured questionnaires and content analysis was done. Results: Findings show that most institutions have common learning objectives for the clinical practicum; neonatal care, high risk infant care, hospitalized child care, and advanced nursing practice. The mode for theoretical credits in child health nursing was 5 to 6 and 3 to 4 credits for clinical practice. The practice settings were prepared to provide diverse experiences, including childcare centers, and community centers with various learning activities. Evaluation for learning outcomes included faculty and instructors. It was pointed out that updating evaluation based on student and faculty feedback is important for a comprehensive practicum evaluation. Conclusions: Findings suggest that there is a -need for a generalized curriculum for clinical practicum and for the expanding role of advanced nursing practice-, a need for diverse clinical settings for practice, and effective guidance and learning activities. It is significantly noted that the attitude and teaching methodologies of clinical instructor's are highly important to effective clinical learning outcomes.

• International Journal of Quality Innovation
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• v.6 no.3
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• pp.132-152
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• 2005

Today's society requires companies to act more and more effectively for the general good, by respecting human rights and the environment. Innovative and enlightened companies try to meet this need through the adoption of several initiatives. Accordingly, the International Standard Organisation is now working on attempts to unify these initiatives and to formulate an internationally recognised standard, providing guidance to companies on social responsibility. Currently the SA8000 international standard is the most often used tool-based on Corporate Social Responsibility (CSR) philosophy - which guarantees the respect of fundamental workers' rights. Since 2003, Italy holds the world record for its number of SA8000 certified companies. This paper discusses the findings of a two-stage survey of the Italian SA8000 certified companies carried out over the last two years. The focus of the survey is on both reasons and effects of the implementation of SA8000 standard. In the first stage the rate of response was very high while in the second stage it was satisfactory. The results provide a clear picture of the companies and their degree of achievement and awareness of the fundamental principles of human resource management. A section of the survey deals with some issues related to the Public Sector.

• Journal of the Society of Naval Architects of Korea
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• v.57 no.2
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• pp.70-79
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• 2020

The offshore installation units may be subjected to various accidental loads such as collision from supply vessels, impact from dropped objects, blast load from gas explosion and thermal load from fire. This paper deals with the design and strength evaluation method of the stiffened plate structures in response to a blast load caused by a gas explosion accident. It is a comprehensive review of various items used in actual project such as the size and type of the explosive loads, general design procedure/concept and analysis method. The structural analyses using simple analysis methods based on SDOF model and nonlinear finite element analysis are applied to the particular FPSO project. Also validation studies on the design guidance given by simple analysis method based on SDOF model have also considered several items such as backpressure effects, material behavior and duration time of the overpressure. A good correlation between the prediction made by simple analysis method based on SDOF model and nonlinear finite element analysis can be generally obtained up to the elastic limit.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2017.05a
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• pp.238-240
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• 2017

In the recent years, An attempts have been made to convergence medical technology and IT technology to overcome the limitations of temporal, spatial, and medical technology applications. In this study, we developed an application s/w to support emergency services for emergency medical services. The developed smart application for emergency rescue activities support can easily identify emergency situation and emergency diary. Then, it can be transmitted to a remote medical guidance doctor so that emergency treatment and hospital response can be performed quickly.

• Journal of the Korean Society for Library and Information Science
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• v.40 no.4
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• pp.367-383
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• 2006

The purpose of this study is to develop a practical model for enhancing cooperative virtual reference services of public libraries in the nation. The research methods include an examination of model cases from Europe and the V.S. and also an electronic questionnaire survey of 375 public librarians (73% response rate). The study results suggest the need for 'a collaborative virtual reference room' which consists of the collaborative reference database, virtual reference desk, guidance and instruction designed by age groups and/or subjects.

• Journal of the Society of Disaster Information
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• v.12 no.3
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• pp.235-241
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• 2016

Recently our country was entering a high-tech society with social and economic development. However, the individual's ability to respond to disasters is lowered by the increase in complexity society. Accurate situation assessment and disaster response by a margin of personal information that can identify when a disaster has been difficult. Until now, by leveraging Standard speaker was the emergency alert broadcast. However, it was difficult to have regular speakers reverberation, a distinct attenuation of sound by listening to the sound, etc. due to the reflection of sound. By using a directional speaker that is characteristic of the sound attenuation of sound is straight to solve this problem and obtain feedback on measures that can effectively provide the oocytes to a valid information on a disaster situation and the evacuation.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2017.10a
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• pp.279-281
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• 2017

In the recent years, An attempts have been made to convergence medical technology and IT technology to overcome the limitations of temporal, spatial, and medical technology applications. In this study, we established an environment for emergency information services. The developed smart application for emergency rescue activities support can easily identify emergency situation and First Aid. Then, it can be transmitted to a remote medical guidance doctor so that emergency treatment and hospital response can be performed quickly.