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성덕룡(Deok-Yong Sung),박성현(Sung-Hyun Park),이기승(Ki-Seung Lee),최용석(Yong-Seok Choi),이선우(Seon-Woo Lee) 한국철도학회 2014 한국철도학회 학술발표대회논문집 Vol.2014 No.10
레일연마의 효과는 국내외 연구 및 적용사례를 통해 입증된 바 있으며, 국내에서는 고속철도 및 도시철도를 중심으로 레일연마가 시행되고 있다. 국내 일반철도의 경우 신설구간에 대해서 초기연마를 적용하고 있으며, 일부 구간에서 보수연마가 시행되고 있는 실정이다. 본 연구에서는 국내 일반철도를 대상으로 레일연마 운영방안에 대한 분석을 수행하였으며, 중앙선 청량리-경주(L=760km)구간을 대상으로 레일연마 시행방안을 총 8가지로 구분하여 경제성 분석을 수행하였다. 분석결과, 국내 일반철도 유지보수비용 절감을 위해 기존 보수연마 체계를 예방연마 체계로 전환하고, 연마주기는 통과톤수 8천만톤당 1회를 적용하는 것이 적절한 것으로 분석되었다. The effectiveness of rail grinding has been demonstrated through a number of studies, it is being performed in mainly domestic high speed railway and urban railway. In the case of domestic conventional railway, the new railway line has been operated the initial rail grinding, other part of the defect elimination grinding. In this study, to establish the execution plan of rail grinding for domestic conventional railway, the economic analysis for the conditions of rail grinding classified into eight types for the section from Cheongnyangni to Gyeongju of Chung-ang Line was carried out. Therefore, It was analyzed that it is appropriate to change from the corrective grinding to the preventive-cyclic grinding in order to reduce the maintenance costs of domestic conventional railway, apply the grinding every 80MGT per.
원주지방을 중심으로한 강원도 지역 Microsporum canis 감염증의 임상적 연구
이광훈(Kwang Hoon Lee),박성현(Sung Hyun Park),윤문수(Moon Soo Yoon),심우철(Woo Chul Shim) 대한피부과학회 1988 大韓皮膚科學會誌 Vol.26 No.1
During the past 2 years : June, 1985 to May, 1987, 564 cases with dermatophytosis who visited the Dermatology Clinic of Wonju Christian Hospital were studied for Microeporam(M,) canis infection by mycologieal examination. The incidence of M.canis infection found to be 16.3%. The monthly distribotion was the highest in January and lowest in August. The ratio of male to female patient was 1: 1. Most of the cases (80.0%) were found in children under the age of 10. Tinea capitis was the most common clinical type of dermatophytosis caused by M. canis. Patients who had a history of contact with domestic cats (27.5%) or doge (6.3%) were observed in 27 cases and family infections were observed in 22 cases. The incidence of patients with the noninflammatory and inflammatory lesions in tinea cspitis was similar. Most of patients with tinea corporis exhibited multiple, smaller than 2 cm in diameter, annular patches having pustules or papules.