• Journal of the Korea institute for structural maintenance and inspection
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• v.20 no.2
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• pp.18-25
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• 2016

Bascule bridge, with its use to help vessels ply, has a several examples overseas of being serviced for more than decades years by careful maintenance, admitted its significance as landmarks for its rareness. Yeongdo Bridge, the sole bascule bridge in Korea was reconstructed in 2013 after being demolished because of its corrosion and aging, and now operates once in a day. Recently, safety inspections are executed thanks to demands getting higher for maintenance and safety of bridges, but measurement and analysis about bascule bridges are scarce. This study includes the analysis of the bascule bridge's behavior such as stress, vibration and reaction in normal condition and while it lifts up, based on measurement. We expect that this study will be used as an initial data to compare and confirm bridge's changes as service year and the number of operation increase.

• The Journal of Sustainable Design and Educational Environment Research
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• v.19 no.3
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• pp.1-10
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• 2020

The results of a survey on 113 elementary schools in Jeju-do in December 2018 are as follows: First, the most newly established schools in the last 30 years were long-term decline Type 3 (56 schools), followed by Type 9 (W-type, 24 schools), which was more than 30 years old. Second, one of the main achievements of this study is the discovery of four types (type 1, type 2, type 8 and new-type) that are well characterized by Jeju province. Third, the most smaller school has 50 schools (44.3%) and small schools (less than 300 students) are 77 schools, accounting for 68.1% of the total ; 6 the most largest elementary schools (5.3%), 13 large schools (11.5%), 17 optimal sized schools (15.0%), 27 small schools (23.9%). In particular, it is not an exaggeration to say that almost all schools are small schools except for a few schools in Jejudo Ub-Myun areas. This means that it may cause serious problems if it is adopted as a standard of abolition of small schools in the same standard of management rather than reflecting regional characteristics of Jejudo province.

• Journal of vocational education research
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• v.37 no.4
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• pp.1-22
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• 2018

The study tried to investigate the school curriculum organization and teacher's perceptions about test subjects in vocational education division of the college scholastic ability test based in the 2015 revised national curriculum. This study asked vocational teachers to fill in basic questionnaire that consists of 9 relevant and subjective items for the school curriculum organization and test subjects in vocational education division of the college scholastic ability test based in the 2015 revised national curriculum. For this, the survey was conducted 58 schools of 92 schools in technical specialized high schools, meister high schools and vocational high schools about test subjects of 2015 revised national curriculum. As a result, the 'Successful career life' subject was 53.5%, the most organized in the first grade. 'test course 1' was 55.2% and 'test course 2' was 72.4% the most organized in the first grade. The Opinions on the test courses were the highest in the two subjects in the same series as the present. The teacher's perceptions showed that the current test subjects in vocational education division of the college scholastic ability test are valid. The most important factor affecting difficulty was 'The Ministry Education's policy' in vocational education division of the college scholastic ability test.

• Proceeding of KASS Symposium
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• 2008.05a
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• pp.203-211
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• 2008

Bridges have various functions. There are not only a connection between 2 zones, but also a objee as a landmark. But movable bridges used in canal in order to pass ships. We can classify according to type of driving system, for example, swing, bascule, lift, arching, rotation, etc. I will suggest classification of various driving mechanism in the world.

• The Journal of Sustainable Design and Educational Environment Research
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• v.20 no.1
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• pp.43-54
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• 2021

The results of the research and analysis are as follows: First, from the existing 57 types, 51 types were additionally discovered through the Gyeonggi-do research and analysis, and a total of 108 types could be subdivided. Second, as a result of the survey and analysis of Gyeonggi-do, 17 new unique types and the causes were found Third, out of 7 less than 10 years old schools, the Ns1 and Ns2 types were accounting for almost all of them. Of the 19 mid-term new schools, the Nm7 type accounted for 32.3%, and of the 41 long-term new schools, the most occupied type was Nl13 (33.5%). Among the 20 long-term rising types of 20 to 30 years old schools, the Ai19 type accounted for 22.6%, and the Ai8 type accounted for 19.4%. Among the 21 long-term decline types in existing schools, 17.0% was for the Ad5 type, 16.1% for the Ad15 type, 15.2% for the Ad10 type, 10.0% for the Ad7 type, and 8.1% for the Ad8 type.

• The Journal of Sustainable Design and Educational Environment Research
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• v.17 no.1
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• pp.23-32
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• 2018

The results of the survey on the number of students enrolled in 1,337 elementary schools in the 29 provinces nationwide are as follows. First, in the first Newtowns, the number of enrolled students is 601~750. In particular, 4 small schools (4.2%) showed 300 small sized schools. Second, the number of schools in the metropolitan area is 451~750, and the number of schools under 300 students is 16, accounting for 5.6% of the total. Third, the Chungcheong Province is the largest in the 751~900 people, but relatively fewer than 150 students account for more than 13% of the total. Fourth, Yeongnam region has the largest number of enrolled students in the 301 ~ 450 classrooms, and the number of schools with 150 under 50 schools is 300 and the number of under schools is 118 with 24.3%. Fifth, Honam area is the most in 601 ~ 750 people, but the number of schools under 150 students is 27 and the number of under 300 schools is 23.5%. In particular, small schools in Yeongnam region and Honam area are more than twice as high as other areas. Additional follow-up studies are needed for other cities.

• The korean journal of orthodontics
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• v.26 no.5 s.58
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• pp.557-568
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• 1996

The purpose of this study was to analyze the growth changes of ODI and APDI with age on the three facial growth patterns. The biennial serial cephalometric radiographs of 19 male and 14 famale samples with normal occlusion during 10 years were used in this study. The samples were divided into three groups - drop type, neutral type, forward type - by the total change of the Y-axis during the periods of the study. The findings in this investigation indicated the following: 1. The mean values and standard deviations of each age group in each facial type of male and famale were obtained. 2. The difference of ODI and APDI among the 3 facial types was not significant through all observed ages(P)0.05). The size of ODI appeared large consistently in order of the drop, neutral, and forward type in both male and female through all observed ages. 3. The ODI and APDI were maintained without any charges with age during the periods of the study(p>0.05). 4. In correlation analysis between the total change of the Y-axis and 6 measurements, the AB plane angle and facial angle showed correlation in both male and female(p<0.05), the APDl in only female(p<0.001), but the ODI not appeared correlation in either male or female(p>0.05).

• The Journal of Korean Society for School & Community Health Education
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• v.9 no.2
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• pp.105-118
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• 2008

Objectives: This study was performed in order to figure out oral health knowledge level of home room teachers of elementary schools in Daegu area. This study was conducted from March through May 2008. Methodology: A total of three hundred and ten (43 male teachers and 267 female teachers) home room teachers of elementary schools were surveyed. The collected data were analyzed by X2 test and one way ANOVA test by using SPSS 11.0 program. Results: Most oral health knowledge was obtained from dental clinics (45.8%) and mass media and books (40.0%). Many respondents reported that the main purpose of oral hygiene was prevention of periodontal diseases. The highest number of respondents reported that fluoridated tooth paste was the best for fluoride effects on teeth. 56.7% of the respondents said that they visited periodically dental clinics for dental caries prevention. The respondents did not have much knowledge about the importance of fluoride in dental caries. Many respondents did not know that the plaque is the main cause of periodontal diseases. Conclusion: Effective oral health education program should be prepared for the elementary school teachers because their knowledge levels of oral health is not sufficient for students.

• Korean Journal of Community Nutrition
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• v.26 no.3
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• pp.188-199
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• 2021

Objectives: The purpose was to identify the ingredients that are usually surveyed for assessing real prices and to present the demand for such surveys by nutrition teachers and dietitians for ingredients used by school foodservice. Methods: A survey was conducted online from December 2019 to January 2020. The survey questionnaire was distributed to 1,158 nutrition teachers and dietitians from elementary, middle, and high schools nationwide, and 439 (37.9% return rate) of the 1,158 were collected and used for data analysis. Results: The ingredients which were investigated for price realities directly by schools were industrial products in 228 schools (51.8%), fruits in 169 schools (38.4%), and specialty crops in 166 schools (37.7%). Moreover, nutrition teachers and dietitians in elementary, middle, and high schools searched in different ways for the real prices of ingredients. In elementary schools, there was a high demand for price information about grains, vegetables or root and tuber crops, special crops, fruits, eggs, fishes, and organic and locally grown ingredients by the School Foodservice Support Centers. Real price information about meats, industrial products, and pickled processed products were sought from the external specialized institutions. In addition, nutrition teachers and dietitians in middle and high schools wanted to obtain prices of all of the ingredients from the Offices of Education or the District Office of Education. Conclusions: Schools want to efficiently use the time or money spent on research for the real prices of ingredients through reputable organizations or to co-work with other nutrition teachers and dietitians. The results of this study will be useful in understanding the current status of the surveys carried out to determine the real price information for ingredients used by the school foodservice.

• Journal of The Korean Association of Information Education
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• v.13 no.4
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• pp.433-441
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• 2009

In this research, we are looking for new ways to parents' participation in the school education through the educational information. The qualitative research about this research is not at all state. We use the method of study based on the grounded theory. The case analysis object is a outstanding school of the educational information in 2007, ten excellent schools of the cyber home service, two research schools 2 and two schools of research for NEIS. The parents make the learning check on situation of the students and communicate with school through the cyber home learning service and NIES. Also, It is bringing parents around the school closer through the SMS service and is communication path out of time and space. We make the things that make communications work through it. We know it is building trust with the parent and school.