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Time-Dependent Buckling Analysis of Concrete-Filled Steel Tubular Arch with Interval Viscoelastic Effects
| 题名： | Time-Dependent Buckling Analysis of Concrete-Filled Steel Tubular Arch with Interval Viscoelastic Effects |
| 正文语种： | 英文 |
| 作者： | Di Wu, Ph.D.; Wei Gao, Ph.D.; Sawekchai Tangaramvong, Ph.D. |
| 作者单位： | Univ, of New South Wales;Chulalongkorn Univ |
| 关键词： | Concrete-filled steel tubular (CFST); Composite structure; Uncertain viscoelastic effects; Structural stability; Uncertainty analysis; Structural safety and reliability. |
| 摘要： | In this paper, a finite-element-based computational method is proposed for time-dependent structural stability analysis of a concrete-filled steel tubular (CFST) arch with uncertain parameters. Specifically, the targeted uncertainty includes the mercurial effects of the creep and shrinkage of the concrete core, which inevitably affect the structural performance of the CFST arch. The structural stability of the composite arch is systematically investigated imder the influence of uncertain creep and shrinkage in a time-dependent fashion. The proposed computational scheme efficiently establishes the quantitative long-term stability envelope for CFST arches against uncertain viscoelastic effects .In order to demonstrate the effectiveness and efficiency of the proposed time-dep en dent structural stability analysis for CFST arches, practically motivated numerical examples are thoroughly investigated throughout this work. DOI: 10.106l/(ASCE)ST.1943-541X.0001782. © 2017 American Society of Civil Engineers. |
| 出版日期： | 2017.07 |
| 出版年： | 2017 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.143 |
| 期： | NO.07 |
| 页码： | 04017055 |
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