RESEARCH ON SAFETY ASSESSMENT METHOD FOR BOX GIRDER OF BRIDGE AND GANTRY CRANE

XIONG Gang; WU Xiao; LUO Tao; LUO YouHong

doi:10.16579/j.issn.1001.9669.2016.06.021

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RESEARCH ON SAFETY ASSESSMENT METHOD FOR BOX GIRDER OF BRIDGE AND GANTRY CRANE

更新时间：2022-09-22

- RESEARCH ON SAFETY ASSESSMENT METHOD FOR BOX GIRDER OF BRIDGE AND GANTRY CRANE
- Journal of Mechanical Strength Vol. 38, Issue 6, Pages: 1253-1257(2016)
- 作者机构：
  
  1. 西南交通大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2016.06.021
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XIONG Gang, WU Xiao, LUO Tao, et al. RESEARCH ON SAFETY ASSESSMENT METHOD FOR BOX GIRDER OF BRIDGE AND GANTRY CRANE. [J]. 38(6):1253-1257(2016)
DOI：

XIONG Gang, WU Xiao, LUO Tao, et al. RESEARCH ON SAFETY ASSESSMENT METHOD FOR BOX GIRDER OF BRIDGE AND GANTRY CRANE. [J]. 38(6):1253-1257(2016) DOI： 10.16579/j.issn.1001.9669.2016.06.021.

摘要

以36 t集装箱门式起重机箱形梁结构为研究对象,并结合起重机结构的有限元分析结果,采用2级常规断裂评定方法,对起重机箱形梁结构上的裂纹缺陷进行了安全评定研究。评定结果表明,六处裂纹缺陷均在安全范围内。通过建立裂纹模型,确定评定参数,进行评定计算,绘制失效评定(FAD)图,探索出一套适用于起重机金属结构安全评定的流程和方法,对指导起重机结构安全评定并最终形成统一标准具有现实工作意义。

Abstract

Taking box girder structure of 36 t container gantry crane as research object,and combining with the finite element analysis results of crane structure,it carried out a safety assessment for the cracks on box girder structure using level 2fracture assessment method. Evaluation results showed that the six surface cracks were all in the safe range. It established the model of crack,determined evaluation parameters,made evaluation calculation,and drew FAD figure,which explored a set of safety assessment processes and methods suitable for the steel structure of crane. It has realistic meaning to guide crane structure safety assessment and eventually to form a unified standard.

关键词

起重机箱形梁疲劳破坏安全评定FAD图评定方法

Keywords

CraneBox girderFatigue damageSafety assessmentFAD figureAssessment method

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