This study evaluated the effect of eccentricity ratio according to plan types on the seismic performance of school buildings based on design drawings from the 1980s. The analytical models reflected school buildings constructed based on the standard design drawings of the 1980s, and the main variables were set as ┣┫, ━, ┏━, and ┏┛ plan types. Seismic performance was analyzed based on performance points, plastic hinge distribution, axial load sharing ratio, and inter-story drift ratio. The results showed that the ┣┫ and ━ type structures with low eccentricity ratios secured stable behavior and member performance at the IO level, whereas the ┏━ type structure with a high eccentricity ratio showed a tendency for seismic performance deterioration with collapse-level members concentrated on the first floor. In addition, the ┏┛ type structure exhibited collapse-level members despite a relatively low eccentricity ratio, and performance points were not formed in some directions, indicating insufficient seismic performance. Therefore, the eccentricity ratio according to plan type needs to be considered as a key factor in evaluating the stable seismic performance of school buildings.

Abstract
1. 서론
2. 해석 모델 상세
    2.1 1980년대 설계도 분석
    2.2 주요 변수
    2.3 재료 특성 및 하중조건
    2.4 조적벽체의 등가 스트럿 모델링
    2.5 해석절차
    2.6 기둥의 비선형 모델링
    2.7 내진성능평가 요소
3. 해석 결과 및 분석
    3.1 고유치 해석
    3.2 편심률
    3.3 우발편심 및 비틀림 증폭계수의 영향
    3.4 성능점
    3.5 소성힌지 분포
    3.6 기둥의 전단성능
    3.7 축력분담률
    3.8 층간변위비
4. 결론
감사의 글
References

• 박소정(경기대학교 건축공학전공, 학사과정) | Park So-Jung (Dept. of Architectural Engineering, Kyonggi University)
• 이소영(경기대학교 건축공학전공, 학사과정) | Lee So-Yeong (Dept. of Architectural Engineering, Kyonggi University)
• 문주현(경기대학교 스마트시티공학부 건축공학전공 부교수, 공학박사) | Mun Ju-Hyun (Dept. of Architectural Engineering, Kyonggi University)
• 정연백(청운대학교 건축공학과 조교수, 공학 박사) | Jung Yeon-Back (Dept. of Architectural Engineering, ChungWoon University) Corresponding author