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복합하중을 받는 RC 필로티 건축물 기둥의 비틀림성능 평가를 위한 실험적 연구
권유진,백종하,백은림,이상호 한국콘크리트학회 2024 콘크리트학회논문집 Vol.36 No.2
필로티 건축물은 수직비정형을 띈 구조로 필로티층(최하부층)은 상부층과 비교하여 강도와 강성이 부족하여 지진시 필로티층에 손상이 집중된다. 더구나 필로티층 코어의 편심 배치로 질량중심과 강성중심이 일치하지 않으면 지진시 약측 기둥에 응력 집중 및 비틀림 응력으로 인한 심각한 구조 손상이 발생할 수 있다. 필로티층의 기둥은 축력, 전단력, 휨 모멘트 및 비틀림 모멘트의 복합하중에 저항하여야 하며, 각 하중에 대한 하중-변위 관계 등을 구조성능을 파악하는 것이 중요하다. 본 연구에서는 수직 및 수평비정형을 가지는 필로티 건축물의 기둥을 참고하여 설계한 RC 기둥에 축력, 전단력, 휨 모멘트 및 비틀림 모멘트를 동시 가력하고, 각 하중에 대한 구조 성능을 파악하기 위한 실험적 연구를 수행하였다. 실험 결과에 따르면 0 mm와 150 mm의 편심거리를 가지는 실험체의 최대 강도(내력)수준은 유사했지만, 편심거리가 증가할수록 연성은 감소하였다. 편심거리 300 mm 실험체는 편심이 없는 실험체와 비교하여 최대 강도 수준이 50 %로 나타났다. 축력비가 0.24인 실험체는 0.12인 실험체와 비교하여 최대 강도가 약 10 % 증가했지만, 최대 강도에 도달한 이후 하중이 급격히 감소하여 취성적인 파괴를 나타내었으며, 콘크리트 탈락 및 박리가 심각하였다. The piloti building is a vertically irregular structure and is vulnerable to earthquake loads because the piloti story (weak story) lacks strength and stiffness compared to the upper floors. Moreover, if the centers of mass and stiffness are inconsistent due to the eccentric arrangement of cores in the piloti story, severe structural damage occurs due to stress concentration and torsional stress when an earthquake occurs. In particular, column of piloti story is subjected to experience axial force, shear force, bending moment, and torsional moment, and it is essential to understand the relationships between these loads, including the load-displacement behavior for each force. In this study, axial force, shear force, bending moment, and torsional moment were applied to the RC column of the piloti building with vertical and horizontal irregularities, and an experimental study was conducted to understand the structural performance. The experimental results showed that the maximum strength levels of the specimens with eccentricity distances of 0 mm and 150 mm were similar, but their ductilities were reduced. Furthermore, the specimen with a 300 mm eccentricity distance exhibited the maximum strength level at 50 % compared to the specimen without eccentricity. The specimen with axial load ratio of 0.24 showed about 10 % increase in maximum strength compared to the one with ratio of 0.12; however, after reaching the maximum strength, the load rapidly decreased, showing a brittle failure mode.
McCune-Albright 증후군의 임상적 및 내분비학적 특징
권유진,김유미,김자혜,최진호,유한욱,Kwun, Yoojin,Kim, Yoo-Mi,Kim, Ja-Hye,Choi, Jin-Ho,Yoo, Han-Wook 대한유전성대사질환학회 2013 대한유전성대사질환학회지 Vol.13 No.2
Purpose: McCune-Albright syndrome (MAS) is caused by activating mutations in the GNAS gene, resulting in peripheral precocious puberty, caf$\acute{e}$-au-lait spots, and polyostotic fibrous dysplasia (POFD). The aim of the present study was to describe the diverse clinical and endocrine characteristics of patients with MAS. Methods: Seven patients with MAS were included in this study and medical charts were reviewed retrospectively for following parameters: patient's sex and age at diagnosis, POFD, ovarian cysts, and precocious puberty. Results: The mean age at diagnosis was $5.8{\pm}4.2$ years. One patient was male (14%) and the other six patients were female (86%). Peripheral precocious puberty was associated with 6 patients (86%). Five patients manifested premature menarche as early as 2 to 5 years of age. Letrozole was administered to 4 patients, tamoxifen to one patient and GnRH agonist to one patient. Five females developed ovarian cysts. Thyroid function tests were performed in all patients and one patient showed hyperthyroidism (14%) and has been treated with methimazole. One patient presented with pseudohypoparathyroisdism, phosphaturia, calciuria suggesting hypophosphatemic rickets. Six patients (86%) revealed POFD. One patient had symptoms of optic nerve compression and secondary esotropia and 2 patients had bone pain. Conclusion: This study described clinical characteristics and endocrine complications of patients with MAS. Careful physical examinations with history taking and serial endocrine function tests should be needed to detect complications such as endocrinologic hyperfunction and POFD.
영화 제목으로 본 영한 번역기법 연구: 영화 산업 정책과 언어 정책의 변화를 중심으로
권유진 한국번역학회 2020 번역학연구 Vol.21 No.2
This study aims to investigate to what extent translation methods are influenced by national film policies and language policies with particular influence on American film titles during the specific period from 1962 until 2019. To do this, the author divides the period into three phases based on when specific policies are enforced or enacted according to the Korean government’s new policy trends. The dataset is collected from each of the phases. The theoretical framework for the analysis of the data includes four translation methods, which are transliteration, literal translation, free translation, and mixed translation. The findings showed that the national film policies and language policies significantly influence how American film titles are translated into Korean. This study may provide insights that can extend the scope of translation study of film titles from just text analysis to the relationship between translation and society.