山西建筑
山西建築
산서건축
SHANXI ARCHITECTURE
2011年
23期
61-63
,共3页
钢拱桁架%稳定性%非线性屈曲
鋼拱桁架%穩定性%非線性屈麯
강공항가%은정성%비선성굴곡
steel arch truss%stability%nonlinear buckling
选择90 m跨钢拱桁架为研究对象,采用SAP2000对其平面内稳定性进行研究,研究中考虑了初始几何缺陷,不同荷载分布情况对结构屈曲承载力和变形能力的影响,研究结果表明,初始几何缺陷对拱桁架稳定影响较为明显。
選擇90 m跨鋼拱桁架為研究對象,採用SAP2000對其平麵內穩定性進行研究,研究中攷慮瞭初始幾何缺陷,不同荷載分佈情況對結構屈麯承載力和變形能力的影響,研究結果錶明,初始幾何缺陷對拱桁架穩定影響較為明顯。
선택90 m과강공항가위연구대상,채용SAP2000대기평면내은정성진행연구,연구중고필료초시궤하결함,불동하재분포정황대결구굴곡승재력화변형능력적영향,연구결과표명,초시궤하결함대공항가은정영향교위명현。
Choosing 90 m span steel arch truss as the study object,using SAP2000 researched its plane within stability,in research considering the influence of initial geometric imperfection and different load distribution situation to structure buckling bearing capacity and the deformation ability,research results showed that,the influence of initial geometric imperfection to arch truss stability was very obvious.
