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Home > Wen Yuan (Primary School Edition) > 2020 No.02 > 大直径筒仓锥顶施工方法分析

  • 大直径筒仓锥顶施工方法分析

    Author(s)：

    潘小军　曹军　范得亮

    Publication Title：

    Wen Yuan (Primary School Edition) 2020 No.02

    Affiliations：

    江苏沪武建设集团有限公司

    Abstract：

    某直径25m筒仓仓顶为锥壳式结构,采用悬吊钢管桁架作为仓顶施工的支撑体系。为明确此支撑体系在荷载作用下的内力及挠度变化规律,提高其设计承载能力,基于ANSYS有限元分析软件,依次对桁架杆件尺寸不同的支撑体系和钢绞线悬吊位置不同的支撑体系进行优化分析。结果表明:桁架杆件压应力对支撑体系承载力起控制作用;桁架杆件尺寸对钢绞线和桁架杆件拉应力影响显著并呈正相关,对体系承载力影响不大;当桁架杆件尺寸为1.0m×1.0m,在距桁架中心5,8,12m下弦节点处依次均匀拉第1圈,第2圈和第3圈钢绞线时,支撑体系承载力最大。

    Keywords：

    筒仓仓顶;支撑体系优化;有限元分析;承载力

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    [1] 潘小军,曹军,范得亮.大直径筒仓锥顶施工方法分析[J].Wen Yuan (Primary School Edition),2020(02),.

文渊(小学版)
Wen Yuan (Primary School Edition)

Language: 中文

CN：11-9274/G

ISSN：2096-6261

Publication Frequency: 月刊

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