文章摘要
刘强,钱静,范慧丽.截面结构对纸箱抗压强度的影响及定量表征[J].包装工程,2018,39(5):33-37.
LIU Qiang,QIAN Jing,FAN Hui-li.Influence of Section Structure on the Compressive Strength of the Box and Quantitative Characterization[J].Packaging Engineering,2018,39(5):33-37.
截面结构对纸箱抗压强度的影响及定量表征
Influence of Section Structure on the Compressive Strength of the Box and Quantitative Characterization
投稿时间:2017-10-01  修订日期:2018-03-10
DOI:10.19554/j.cnki.1001-3563.2018.05.007
中文关键词: 多边形  瓦楞纸箱  截面结构  抗压强度
英文关键词: polygonal  corrugated box  section structure  compressive strength
基金项目:
作者单位
刘强 1.江南大学无锡 2141222.江苏省先进食品装备制造技术重点实验室无锡 214122 
钱静 1.江南大学无锡 2141222.江苏省先进食品装备制造技术重点实验室无锡 214122 
范慧丽 江南大学无锡 214122 
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中文摘要:
      目的 研究截面结构的改变对多边形瓦楞纸箱抗压强度的影响规律。方法 改变垂直侧板数量、边长、相邻侧板围成角度进行抗压试验,分析多边形纸箱变形失效过程及抗压强度的变化规律,建立以独立的垂直侧板边长代替周长的计算模型。结果 当其他影响纸箱抗压强度的条件一定时,侧板数量的增多会使抗压强度值增大。八边形瓦楞纸箱的侧板边长越接近正多边形、围成角度越接近135°时,抗压强度越大。结论 瓦楞纸箱变形失效本质是由侧板结构受压后整体失稳造成的,所提出的计算模型能较真实地反映纸箱受压的力学特性,且能有效表征多边形瓦楞纸箱抗压强度。
英文摘要:
      The work aims to study the influence rule of the changed section structure on the compressive strength of polygonal corrugated box. The compression test was done by changing the number of vertical side plates, side length, and enclosed angle of adjacent side plates. The deformation failure process and the change law of compressive strength of the polygonal box were analyzed. The calculation model with its side length of independent vertical side plate replacing the perimeter was established. When other conditions that affected the compressive strength of the box remained constant, the compressive strength was increased with the increase of the number of side plates. When the number of side plates was equal to that of the corrugated box, the side length of side plate was closer to the regular polygon, the enclosed angle was closer to 135°, and the compressive strength was greater. The deformation failure of the corrugated box is essentially caused by the overall unstability of the side plate structure under stress. The proposed calculation model can more accurately reflect the mechanical property of the box under stress and effectively characterize the compressive strength of the polygonal corrugated box.
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