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首页> 外文期刊>Thin-Walled Structures >Static stability behavior of aluminum alloy single-layer spherical latticed shell structure with Temcor joints
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Static stability behavior of aluminum alloy single-layer spherical latticed shell structure with Temcor joints

机译：带Temcor接头的铝合金单层球面网壳结构的静态稳定性能

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摘要

In recent years, aluminum alloy single-layer latticed shell has been extensively used in civil and industrial infrastructure. The elasticity modulus of aluminum alloy is low, the rigidity of aluminum joints are weak and the roof load transmission path is different. Therefore, the stability performance of this dome is unique. To clarify the stability performance of aluminum alloy single-layer latticed shell, over 500 aluminum alloy single-layer spherical latticed shells were analyzed with nonlinear finite method. The suggested values of rise/span ratio and initial imperfection were presented. The influencing coefficients of initial imperfection, material nonlinearity and stressed skin effect on stability bearing capacity were obtained. And the structural stability safety coefficient and the approximate calculation formula for stability bearing capacity of aluminum alloy single-layer spherical latticed shell were derived. The influences of joint semi-rigidity were investigated. All the aforementioned results provide a scientific basis for future stability design of aluminum alloy single-layer spherical latticed shell structure.
机译：近年来，铝合金单层网格壳已广泛用于民用和工业基础设施。铝合金的弹性模量低，铝制接头的刚性较弱，屋顶荷载传递路径不同。因此，该圆顶的稳定性能是独一无二的。为了阐明铝合金单层网格壳的稳定性能，采用非线性有限元法分析了500多个铝合金单层网格壳。提出了上升/跨度比和初始缺陷的建议值。获得了初始缺陷，材料非线性和应力趋肤效应对稳定承载力的影响系数。推导了铝合金单层球形网格壳的结构稳定性安全系数和近似承载力计算公式。研究了联合半刚性的影响。所有上述结果为铝合金单层球形网格壳结构的未来稳定性设计提供了科学依据。

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  • 来源
    《Thin-Walled Structures》 |2017年第11期|355-365|共11页
  • 作者

    Liu Hongbo; Ding Yizhe; Chen Zhihua;

  • 作者单位

    Tianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China|Tianjin Univ, Minist Educ, Key Lab Coast Civil Struct Safety, Tianjin 300072, Peoples R China|Tianjin Univ, Sch Civil Engn, Tianjin 300072, Peoples R China;

    Tianjin Univ, Sch Civil Engn, Tianjin 300072, Peoples R China;

    Tianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China|Tianjin Univ, Minist Educ, Key Lab Coast Civil Struct Safety, Tianjin 300072, Peoples R China|Tianjin Univ, Sch Civil Engn, Tianjin 300072, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Aluminum latticed shell; Stability behavior; Stressed skin effect; Joint semi-rigidity; Stability ultimate capacity calculation formula;

    机译：铝网壳;稳定性能;应力趋肤效应;联合半刚性;稳定性极限承载力计算公式;

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