Journal of Korean Society of Industrial and Systems Engineering
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v.38
no.3
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pp.127-135
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2015
Universal design is defined as the design process of products and environments usable by all people to the greatest extent possible, without the need for adaptation or specialized design. The benefits of universal design have been promoted primarily through illustrative 'success stories' of public, residential and occupational environments and products. While case examples may be informative, they may unfortunately be limited in terms of generality to other designs or tasks. Therefore, design methods and criteria that can be applied systematically in a range of situations to encourage universal design are needed. In addition, the seven principles of universal design are intended to guide the design process. The principles provide a framework that allows a systematic evaluation of new or existing designs and assists in educating both designers and consumers about the characteristics of more usable products and environments. However, exactly how these principles are incorporated into the design process has beenleft up to the designer. Since the introduction of universal design, designers have become familiar with the principles of universal design, and they have developed many products based on universal design. However, the principles of universal design are qualitative, which means designers cannot quantitatively evaluate their designs. Some have worked to develop more systematic ways to evaluate products and environments by providing design guidelines for each of the principles. However, recommendations have not yet been made regarding how to integrate performance measures of universal design into the product design process before the product is mass produced. Furthermore, there are sets of requirements regarding each user group that has different age and ability. Consequently, there is an urgent need for design methods, based on a better understanding of age and ability related factors, which will lead to a universally designed product or environment. The authors have proposed the PSD (Preference Set-Based Design) method that can generate a ranged set of feasible solutions (i.e., robust and flexible solution set) instead of single point solution that satisfies changing sets of design targets. The objective of this paper is to develop a general method for systematically supporting the universal design process. This paper proposes the applicability of PSD method to universal design. Here, the proposed method is successfully illustrated with a universal design problem.
Journal of Dental Rehabilitation and Applied Science
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v.32
no.4
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pp.280-292
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2016
Purpose: The purpose of this study was to compare the long-term survival rate and peri-implant marginal bone loss related to multiple risk factors including the clinician's experience. Materials and Methods: Four hundred twenty implants in 146 patients, who had involved a supportive periodontal therapy program every 3 to 6 months and had follow up data for at least 5 years, were selected as the study group. Peri-implant marginal bone loss, data of demographic, implant and surgical characteristics were collected from peri-apical radiographs and chart review. Implant survival was regarded as the remaining with radiographic marginal bone level in excess of 50% of the fixture length for any reason. Results: The cumulative survival rate after 5 years of loading was 94.9%. In binary logistic regression analysis, smoking status (P = 0.033) and presence of spontaneous cover screw exposure (P < 0.001) were significantly related to 5-year survival of implants. In stepwise multiple regression analysis, smoking status (P < 0.001), type of abutment connection (P < 0.001) and implant surface (P = 0.033) were significantly related to peri-implant marginal bone level. And the year of resident was not statistically related to 5-year implant survival in simple logistic regression analysis (P = 0.171). Conclusion: Smoking status, spontaneous cover screw exposure, type of abutment connection and implant surface might influence the implant success. There was no significant correlation between the year of resident and implant failure.
Journal of the Korean Institute of Landscape Architecture International Edition
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no.1
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pp.230-236
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2001
The usual definition of and urban resort was a place vastly different from places of daily life such as a theme park or other tourist destination. At the same time, revival of the combination of usual and unusual spaces, in a way like the mixed "Hare"(Special occasion of public event) and "Ke"(Daily life) spaces of communities of old Japan, is part of the idea of urban resorts. And they are places, which start by making a comfortable urban environment for citizens, providing a daily life full of culture and promoting a city′s identity to visitors. if we think about the kinds of structural elements of urban resorts, the usual elements include community, local culture and industry, while the unusual elements include symbols, festivities and interaction. Kobe Wing Stadium is a venue for the 2002 FIFA World Cup hosted by Korea and Japan. The city will build the stadium, but after construction management will be given over to private enterprise, hoping to utilize that sector′s business know how. A competition was held to determine the private executor who would be entrusted with the planning, design, construction and management of the project, considering the conditions of the area, the stadium′s relationship to it and local revitalization. The competition was won by a private enterprise (Kobe Steel Obayashi Group). The them of "Creation of a Sports Community Park" grapples with the large issue of the facility′s relationship with the community. American geographer Yi-fu Tuan coined the word "topophilia" to indicate love of a place. No other word could better describe the desired urban resort nature of the stadium. From this historical perspective it seems that stadiums have great potential as urban resorts. The factor that will determine their success is the attitude of citizens toward them, in short whether they develop topophilia for them or not. We examined the urban resort nature of Kobe Wing Stadium. Regarding daily life, we saw the attempts to revive the local community, the possibility of deepening the local culture and the weakened state of local industry. As a place that is for more than daily life, we saw the certainty of the stadium′s symbolism, its potential as a place for festivities and the test it will face as a space for interaction. Even though several issues are left for future resolution, evaluating Kobe Wing Stadium through these elements of an urban resort, it is clearly founded in the daily life of the community while providing a venue for "Hare"occasions. Fulfilling the roles of an urban resort, it provides many opportunities for local residents to enjoy their and gives visitors a reason to come repeatedly.
Journal of Elementary Mathematics Education in Korea
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v.23
no.1
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pp.59-74
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2019
According to previous studies, it shows that the metacognitive ability that makes the positive element of the problem solver positively affects the problem-solving process of mathematics. In order to accurately grasp causality, this study investigates the specific characteristics of the meta-affect factor in the process of problem-solving. To do this, we analyzed the types and frequency of data collected from collaborative problem-solving situations composed of 4th~6th grade mathematically gifted children in small group of two. As a result, it can be seen that the type of meta-affect in the problem-solving process of mathematically gifted children is related to the correctness rate of the problem. First, regardless of the success or failure of the problem-solving, the meta-affect appeared relatively frequently in the meta-affect types in which the cognitive factors related to the context of problem-solving appeared first, and acted as the meta-functional type of the evaluation and attitude. Especially, in the case of successful problem-solving of mathematically gifted children, meta-affect showed a very active function as meta-functional type of evaluation.
Hallyu in Malaysia is considered to be in the growth stage as in countries such as Philippine, Myanmar, Hungary, and Uzbekistan. In the growth stage, Hallyu becomes increasingly popular and familiar to the general public and the sales of Hallyu-related products starts to increase. The purpose of this research is to compare how Hallyu is perceived among Malaysian youths and adults. Analysis is carried out using FGD. The two groups are asked about what they think of Korea and the success of Hallyu, how much interest they have in foreign cultures in general, and how they come into contact with them. Based on these results, problems currently facing Hallyu and possible solutions are examined. The analysis shows that the interest in Hallyu among Malaysians varies according to age and gender. Both male and female participants in their 20's have shown a much greater interest in Hallyu than the participants over 30's. But Malaysians are known to be relatively open-minded about accepting foreign cultures, and this is reflected in the current study. They view the popularity of Korean drama, movies, and music as a trend, rather than being intolerant of them. There is no concern for negativity toward Hallyu in Malaysia, but it is likely that Hallyu may be replaced by another foreign culture unless its influence is constantly maintained in the area. Therefore, it is essential to develop measures and models to not only retain, but strengthen Hallyu's influence.
Journal of the Korea Academia-Industrial cooperation Society
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v.18
no.2
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pp.405-414
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2017
In this study, a survey for a satisfaction evaluation of the Test Report Information Service (TRIS) was conducted. A survey questionnaire on modified Information System Success Model(ISSM) of Delone and Mclean was carried out by 183 users in three groups, such as munition quality assurance agency, munition corporation, and test institute. As a survey result, training on the TRIS was in strong demand in all three groups. An understanding and proficiency of the overall system were different from the work process of each user group. In addition, the munition quality assurance agency needs to enhance the system function with its characteristics. Test institute has necessity of the linkage method with the TRIS depending on the authentication system. User groups are different in the operational method of TRIS between the contractor and cooperation. Accordingly, cooperation needs to be educated continually. This study can help in the construction of a Military Quality Integration Information System to secure the reliability of munitions.
Some Volunteer Fire-Fighting Teams (VFFTs) play an important role in Civilian Volunteer Disaster Prevention by being managed effectively, but the others do not. There can be many cause-analyses about this difference. VFFTs aren't a profit-making organization and are a group which has no compulsion. So it is important that who the leader is, and what type of leadership he has. Furthermore VFFTs have hierarchy like fire-fighting teams and so the leader's command and judgement bring about the actual distinction in the organizational operation. Under this background, the survey has been carried out on the trust of leader and leadership type which may maximize the organization commitment. Consequently, to make efficiency of District Disaster & Volunteer Aid Network increase by augmenting organization commitment. The leader of VFFTs should get the transformational leadership rather than transactional leadership and have paternal or democratic leadership in the decision-making process. Especially we have to create a traditional and unique korean Volunteer fire-fighting organization culture through paternal leadership. Additionally, the trust on leaders should be recognized as a fundamental factor to obtain more performances beyond expectation by increasing the success and output of the team, mutual understanding and cooperation.
Objective : The purpose of this study was to establish a school-based mental health intervention. The success of which was indexed by its effects on the social anxiety symptoms of the enrolled adolescents. Methods : This program for promoting mental health among adolescents in the community was adopted by three middle schools that volunteered to participate in the project. The program included screening for emotional problems related to social anxiety, depression, suicide, and post-traumatic stress disorder. Case management was provided for groups considered high-risk for depression, suicide, or post-traumatic stress disorder; cognitive-behavior therapy was provided for those at high-risk of developing social anxiety. Additionally, educational programs for the prevention of suicide, a "loving life" module, and mental health promotional campaigns were also included. In total, 1,100 middle school students completed self-report questionnaires. Twenty-five students in the high-risk group for social anxiety participated in a cognitive-behavior therapy program, comprising eight sessions, and conducted by two clinical psychologists. Results : Following the suicide prevention education program, suicide awareness among students increased and coping strategies were improved. In addition, the loving life program was associated with positive self-perceptions by many students. Furthermore, social anxiety symptoms showed a statistically significant difference after the cognitive-behavior therapy program. After the therapy, not only did social anxiety symptoms improve, depressive symptoms and suicidal ideation decreased significantly, while self-esteem and psychological resilience significantly increased. Conclusion : A school-based mental health intervention was successfully implemented in three middle schools and improved the mental health of the participating students. Therefore, this intervention could be widely implemented to promote positive mental health among middle school students.
Journal of Korean Tunnelling and Underground Space Association
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v.24
no.6
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pp.637-658
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2022
TBM tunnel is simple with the iterative process of excavating the ground, building a segment ring-build, and backfilling. Drill & Blast, a conventional tunnel construction method, is more complicated than the TBM tunnel and has some restrictions because it repeats the inspection, drilling, charging, blasting, ventilation, muck treatment, and installation of support materials. However, the preparation work for excavation requires time and cost based on a very detailed plan compared to Drill & Blasting, which reinforces the ground and forms a tunnel after the formation of tunnel portal. This is because the TBM equipment for excavating the target ground determines the success or failure of the construction. If the TBM, an expensive order-made equipment, is incorrectly configured at the assembly stage, it becomes difficult to excavate from the initial stage as well as the main excavation stage. When the assembled shield TBM equipment is dismantled again, and a situation of re-assembly occurs, it is difficult throughout the construction period due to economic loss as well as time. Therefore, in this study, the layout and plan of the site and the assembly process for each major part of the TBM equipment were reviewed for the assembly of slurry shield TBM to construct the largest diameter road tunnel in domestic passing through the Han River and minimized interference with other processes and the efficiency of cutter head assembly and transport were analyzed and improved to suit the site conditions.
This study was conducted from 2017 to 2018 to determine habitat aspects of Acheilognathus signifier, an endangered species reintroduced (2010~2012) to Heukcheon Stream, a tributary of the Hangang River, Korea. A total of 329 individuals were collected in 2017 (two surveys) and 723 individuals were collected in 2018 (four surveys) at about 5 km habitat area, including the discharge station. A. signifier's habitat was about 0.4 to 1.2 meters deep in slow water flow upstream of the discharge area. It was a place with many boulders and cobbles. The spawning period was estimated from April to June in terms of spawning behavior and collected juvenile size. Sex ratio of females (438) and males (412) was 1 : 0.94. Estimated age of A. signifier based on their total length distribution during the spawning period (April) indicated that 1-, 2-, 3-year old groups and more than 4-year-old group were 32~43 mm, 50~61 mm, 62~75 mm, and 76~89 mm, respectively. Age-specific composition costs differed depending on the timing of the collection. They were relatively high in the order of first-year (juvenile)>third-year> and fourth-year or higher, showing a stable age structure. Thus, A. signifier reintroduced to Heukcheon Stream has successfully settled down and formed a stable population, showing a tendency to proliferate.
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