Earticle

초록

영어

The evaluation of the joint rigidity is very important to design the space frames with ball joints. The structural characteristic of the joint is one of the critical factors to evaluate the structural behavior and strength. Therefore, the purpose of this paper is to propose the reasonable evaluation method of the joint rigidity based on the proceeding studies. This method is the approximate evaluation method of rotational rigidity of joint, and it's case studies of the initial rotational rigidity are exercised. Also, the moments of inertia of the joints for the sectional shapes are evaluated and compared by the experimental results theoretical ones. The results of this paper are summerized as follows; The theoretical approach is needed to analyze the experimental results, the moments of inertia evaluated by introducing the simple assumption show a good agreement with ones obtained from the numerical method. It is regarded that the assumption used in theoretical approach is reasonable. The moments of inertia evaluated geometrically from the cross sections show the values which are higher than about 1.8 times that obtained by the experimental results. The plastic moments calculated by the theoretical approaches are 1.3 times that of yielding moment of experimental results. Eventually, these results should be a useful data to identify the structural behavior of the space frame and evaluate the buckling strength of the members and the systems.

목차

Abstract
 1. 서 론
  1.1 연구배경 및 목적
  1.2 연구 동향
  1.3 연구 방법
 2. 접합부 강성평가
  2.1 절점회전강성의 근사평가에 대한 가정
  2.2 접합부의 단면 2차모멘트
  2.3 소성모멘트
 3. 평가결과 및 분석
  3.1 실험결과에 의한 절점의 회전강성평가
  3.2 평가방법에 따른 단면 2차모멘트
  3.3 고찰
 4. 결 론
 참고문헌

저자

• 강종 [ Kang, Jong | 동명대학교 건축공학과 조교수 ]
• 김성은 [ Kim, Seong Eun | 계명대학교 건축공학과 교수, 공학박사 ]
• 최현식 [ Choi, Hyun Sik | 계명대학교 건축공학과 교수, 공학박사 ] 교신저자

참고문헌