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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Journal of The Korean Society of Disaster Information
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Journal DOI :
The Korean Society of Disaster Information
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Volume & Issues
Volume 7, Issue 4 - Dec 2011
Volume 7, Issue 3 - Sep 2011
Volume 7, Issue 2 - Jun 2011
Volume 7, Issue 1 - Mar 2011
Selecting the target year
Fragility Curve of Steel Box Bridge Using RFPB Bearing
Lee, Jongheon ; Seo, Sangmok ; Kim, Woonhak ;
Journal of The Korean Society of Disaster Information, volume 7, issue 3, 2011, Pages 171~180
As a great earthquake hit east Japan recently, the interests for the necessity of earthquake resistant design and earthquake resistance ability of existent structures are much increased. The damage or collapse of a bridge, as a social overhead capital structure affects socially and economically. Thus the evaluation of earthquake resistance ability of these structures is very important. The reviewing methods for earthquake resistance ability are mostly deterministic. Although the deterministic methods are fit for the evaluation of safety of each member, they are not practical for the whole structure. For the evaluation of structural safety for earthquake, the method for the evaluation of fragility or damage is needed for some stages of damage. In this paper, fragility curves of steel box bridge using RFPB bearing for PGA, PGV, SA, SV, SI are constructed, and these are compared with the cases of FPB.
A Study of Institutional Restrictions for Private Security's Activities as for Profit Businesses
Gong, Baewan ;
Journal of The Korean Society of Disaster Information, volume 7, issue 3, 2011, Pages 181~189
Private Security company concentrated on the commerciality as a for-profit businesses. Even so, his role is concerned with public welfare and public security over personal gain. Establishing a company and the business activities are free and protected by the constitutional law and the commercial law such as natural rights. However, it would be restricted in case of need for the national security affairs, public security violation and public weal problems. On the other hand, even though private security law is a for-profit businesses, the natural rights of the text of the Constitution is ignored and distinct from the different apply the rules for the establishment standard and for the business activities. Also, over a certain size of place and capital are required to establish a private security company. Therefore, this paper will study the public interests and the profits of commerciality for the private security by constitutional law and commercial law which assure and conserve the natural rights and the business activities.
A Real Vehicle Tracking Acceleration Using A Tire-Wheel-Tracking Machine
Sung, Ikhyun ; Seung, Seoungyoul ;
Journal of The Korean Society of Disaster Information, volume 7, issue 3, 2011, Pages 190~197
In this paper, an analytical and experimental study is performed in order to determine the effects of interaction between a vehicle and a structure. For this purpose, a wheel tracking machine and an adequate single span bridge are designed. Results presented in the paper show that the real vehicle tracking accelerations including the interaction between the vehicle and the structure produce additional effects on the dynamic behavior of the structure including reversal and contrary behavior. Also, the interaction between the vehicle and the bridge is reproduced by applying the identified real vehicle tracking accelerations to a general finite element analysis program.
An Application of Wheel-Tracking-Machine on Moving Mass Test of Precast Concrete Decks
Sung, Ikhyun ;
Journal of The Korean Society of Disaster Information, volume 7, issue 3, 2011, Pages 198~205
In this paper, an experimental study is performed in order to determine the effects of interaction between vehicle and structure. For this purpose a wheel tracking machine and an adequate precast concrete deck single span bridge are designed. Results presented in the paper show that interaction between vehicle and structure produce additional effects on dynamic behavior of structure including reversal and contrary behavior.
A Study on Numerical Analysis of Flexible Pavements under Moving Vehicular Loads
Park, Seoksoon ; Kim, Nakseok ;
Journal of The Korean Society of Disaster Information, volume 7, issue 3, 2011, Pages 206~219
The important elements in pavement design criteria are the stress and strain distributions. To obtain reasonable stress and strain distribution, tire contact area and tire pressures are very important. This study presents a viscoelastic characterization of flexible pavement subjected to moving loads. During the test, both longitudinal and lateral strains were measured at the bottom of asphalt layers and in-situ measurements were compared with the results of numerical analysis. A 3-dimension finite element model was used to simulate each test section and a step loading approximation has been adopted to analyze the effect of a moving vehicle on pavement behaviors. For viscoelastic analysis, relaxation moduli, E(t), of asphalt mixtures were obtained from laboratory test. Field responses reveal the strain anisotropy (i.e., discrepancy between longitudinal and lateral strains), and the amplitude of strain normally decreases as the vehicle speed increases. In most cases, lateral strain was smaller than longitudinal strain, and strain reduction was more significant in lateral direction.
A Study of the Disaster Sign Data Analysis Technologies Based on Ontology
Lee, Changyeol ; Kim, Taehwan ;
Journal of The Korean Society of Disaster Information, volume 7, issue 3, 2011, Pages 220~228
Disaster sign data is confirmed data by the experts to the collected data from web and users. In this paper, we focused to make the risk scores to the data based on ontology technology. To analyse the data, first of all, we defined the ontological structure for 4 kinds of disaster types which consists of the bridges, workplaces, buildings, and walls. Base on the ontologies, collected the accidents examples, and then extract the risk rules from the examples. The rules are adjusted with frequencies and weights, and managed to the ontology DB. The rules apply to the disaster sign data, and then calculates the risk scores. It plays role of the index to the risk rates. The disaster sign data management system was implemented and the rules were verified to the system. Because the quality of the risk scores to the disaster sign data depends on the data of the accidents examples's qualities, we assure that the system's performance will be monotonic increasing following up the data upgrades. Continuously, data management is needed. Also the quality control of the rules are needed.
A Study on Work Sectors of the Private Investigator Service
Park, Ok-Cheol ; Kim, Rag-Ki ;
Journal of The Korean Society of Disaster Information, volume 7, issue 3, 2011, Pages 229~239
The private investigator service in Korea is to protect our legal market from personal right, creation of job, legal opening via OECD and FTA as well as the prevention of negative private investigation such as service center and private investigator operated without any control. Therefore, this study compares the civil research systems of advanced countries, reviews the legal process to introduce private investigator service as well as considers the previous studies to suggest the work sectors of private investigator service appropriate to Korea. As a result, it distinguished the private investigation work into corporate, finance, insurance, medical service, Cyber, traffic accidents, intellectual property right, lost and forensic science.
A Study on Measures of Professional Ethics Education for the Department Related to Guard
Choi, Pan-Am ;
Journal of The Korean Society of Disaster Information, volume 7, issue 3, 2011, Pages 240~246
The professional ethics for the guard is defined as the professional ethics that the person working as a guard to have. The professional ethics education builds the certainty and confidence about professional ethics recognition as well as behavior for guards so that helps the successful performance of the job. Therefore, this study tried to consider previous researches, understand the current professional ethics education for the department related to the guard and the case studies of incidents due to lack of professional ethics education to suggest the measures of activating professional ethics education. First, it is to consider the specialty of the guard to build the guard-martial spirit. Second, the professional ethics education must be out of the central culture study but develop as a major subject. Third, the quality and professionalism of the responsible professor of the professional ethics subject shall be considered. Forth, the professional ethics education must be performed not only at school but also continuously through the various ethics programs of the work places as well as organizations.