The Experimetal Research on Structural Behavior of Long-span Steel multi-arches

Release time:2024-08-09  Hits:

• Affiliation of Author(s):土木工程学院
• Journal:proceeding of Shanghai Internationnal Conference on Technology of Architecture and Structure(ICTAS 2009)（Ⅰ)
• Key Words:中文关键字：钢拱；大跨度结构；现场试验；几何非线性分析；初始缺陷，英文关键字：steel arch; long-span structure; field test; geome
• Abstract:This paper mainly describers the stability and the defect effect of long-span steel multi-arches. The field in-situ test of long-span steel with multi-arches is conducted and the whole element model of long-span steel multi-arches is established by the ANSYS software. Then eigenvalue buckling analysis and geometrical nonlinear analysis are carried out, the buckling mode of the structure is identified and the effect of initial geometric imperfection is analyzed .Mechanism of the structure, destruction of shape and weak position are put out. Comparing with the test data and theoretical analysis, its calculated results accords well with those from the test data. The results of calculation show the stability of long-span steel multi-arches plays a control role in structural ultimate bearing capacity，and the structure is sensitive to the initial geometric defect. It is of important reference for the kind of design in security and reasonable.
• Note:熊仲明
• Co-author:徐元刚,韦俊,曹欣
• First Author:xiongzhongming
• Indexed by:Journal paper
• Volume:卷：
• Issue:期：
• Page Number:页：198-210
• Translation or Not:no
• Date of Publication:2009-10-01