| 논문명 |
튜브시스템 건물의 연쇄붕괴 저항성능 평가 / Evaluation of Progressive Collapse Resisting Capacity of Tubular Structures |
| 저자명 |
김진구(Kim Jin-Koo) ; 박준희(Park Jun-Hei) |
| 발행사 |
대한건축학회 |
| 수록사항 |
대한건축학회논문집 구조계, v.23 n.11 (2007-11) |
| 페이지 |
시작페이지(11) 총페이지(8) |
| ISSN |
12269107 |
| 주제분류 |
구조 |
| 주제어 |
튜브시스템 ; 연쇄붕괴 ; 비선형 정적해석 ; 비좌굴가새//Tube System ; Progressive Collapse ; Nonlinear Static Analysis ; Buckling-Restrained Braces |
| 요약1 |
본 연구에서는 일반적인 골조형 튜브시스템과 가새로 보강된 튜브시스템의 비정상하중에 대한 연쇄붕괴 저항능력을 조사하고 연쇄붕괴에 안정적인 튜브시스템의 보강 방안을 제시하였다. |
| 요약2 |
The potential of progressive collapse in typical tubular structures composed of tubular perimeter frames and internal pin-connected gravity frames was evaluated and appropriate retrofit schemes for internal frames were proposed. Two types of tubular structures, framed and braced tube structures, were considered. To initiate progressive collapse, one or many of the first story columns were removed and nonlinear static pushdown analysis was carried out to obtain vertical load-displacement relationship. According to the analysis results the exterior frames of tubular structures, which have narrowly-spaced columns or mega-braces, are generally not vulnerable to progressive collapse. It was also shown that the use of moment-connected internal frames or outrigger truss could provide enough resistance to progressive collapse caused by loss of a first-story internal column. The retrofitted structures also showed increased lateral stiffness and ultimate strength. |
| 소장처 |
대한건축학회 |