原文传递
Sidewall Buckling of Equal-Width RHS Truss X-Joints
| 题名： | Sidewall Buckling of Equal-Width RHS Truss X-Joints |
| 正文语种： | 英文 |
| 作者： | J urgen Becque;Shan shan Cheng |
| 作者单位： | Univ, of Sheffield |
| 关键词： | Hollow sections; Connections; Joints; Side wall buckling; Rectangular hollow section (RHS); Square hollow section (SHS); Design; Metal and composite structures. |
| 摘要： | This paper presents a new design methodology for equal-width rectangular hollow section (RHS) X-joints failing by sidewall buckling. In the new approach, a slenderness parameter is defined based on the elastic local buckling stress of the sidewall, idealized as an infinitely long plate under patch loading. A Rayleigh-Ritz approximation is thereby used to obtain a closed-form solution. The proposed design equation is verified against experimental results over a wide range of wall slenderness values obtained from the literature and complemented by a brief experimental program carried out by the authors. It is demonstrated that the new design equation yields excellent results against the experimental data. Finally, a reliability analysis is performed within the framework of both the Eurocode and the AISI standards to ensure that the proposed design equation possesses the required level of safety. The newly proposed equation strongly outperforms the current Comite International pour le Developpement et l'Etude de la Construction Tubulaire (CIDECT) design rule for sidewall buckling and also further extends the range of applicability to a wall slenderness ratio of up to 50.DOI: 10.1061/(ASCE)ST ・!943-541X.0001677. © 2016 American Society of Civil Engineers. |
| 出版日期： | 2017.02 |
| 出版年： | 2017 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.143 |
| 期： | NO.02 |
| 页码： | 04016179 |
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