瓦楞纸板方管约束柱力学性能研究

齐宏伟; 杨颖; 秦杰; 庄宝潼

doi:10.19554/j.cnki.1001-3563.2025.19.008

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包装工程（技术栏目） ›› 2025, Vol. 46 ›› Issue (19) : 65-74. DOI: 10.19554/j.cnki.1001-3563.2025.19.008

冲击防护超材料与超结构

瓦楞纸板方管约束柱力学性能研究

齐宏伟^1,2, 杨颖^1,2, 秦杰^1,2, 庄宝潼^1,2

作者信息 +

Mechanical Properties of Corrugated Paperboard Square Tube-constrained Columns

QI Hongwei^1,2, YANG Ying^1,2, QIN Jie^1,2, ZHUANG Baotong^1,2

Author information +

文章历史 +

摘要

目的研究瓦楞纸板方管约束柱在准静态轴向荷载作用下的破坏模式和变形特征,得出不同阶段受压承载力简化计算公式。方法设计制作双层外横内竖瓦楞纸板方管柱和单层方管柱对比试件,开展准静态压缩试验,获得构件破坏全过程F-S曲线和关键力学参数;结合试验数据和简化力学模型推导双层方管柱受压承载力计算公式。结果双层外横内竖瓦楞纸板方管柱在轴向荷载作用下的受压全过程分为线弹性阶段、平台阶段、压溃阶段、强化阶段4个阶段;竖向内管两端形成瓦楞纸板叠层压缩式压密区、中部形成薄壁管凹凸大变形折叠区;构件高度的增加对承载力影响较小,稳定变形区域延长,总吸能能力增大。双层方管柱平台阶段和压溃阶段受压承载力简化为外横管和内竖管承载力的叠加,计算公式主要参数为瓦楞纸板标准试件竖向横向平均压应力,单层竖管横管平台力的平均值和最小值,以及瓦楞纸管柱的受压截面面积。结论双层外横内竖瓦楞纸板方管柱形成约束结构,在横向外管约束作用和稳定压缩变形引导下轴向压溃过程稳定,具有优越的塑性变形特征和较高吸能能力。

Abstract

The work aims to study the failure characteristics and deformation modes of corrugated paperboard square tube-constrained columns under quasi-static axial loads and obtain the simplified calculation formula of compressive bearing capacity at different stages. By designing and fabricating comparative samples of double-layer outer transverse and inner vertical corrugated paperboard square column and single-layer columns, and carrying out quasi-static compression tests, the F-S curves and key mechanical parameters of the entire process of component failure were obtained. By analyzing the test data and simplified mechanical models, the calculation formulas for the compressive bearing capacity of double-layer square columns were derived. The entire compression process under axial loads of double-layer outer transverse and inner vertical corrugated paperboard square column was divided into the linear elastic stage, the platform stage, the crushing stage and the strengthening stage. At both ends of the vertical inner tube, a corrugated paperboard laminated compression compaction area was formed, and in the middle, a large concave and convex deformation folding area of the thin-walled tube was formed. The increase of height had a slight effect on the bearing capacity, the stable deformation area was extended, and the total energy absorption capacity increased. The bearing capacity in the platform stage and the crushing stage was simplified to the superposition of the bearing capacity of the outer transverse tube and the inner vertical tube. The main parameters of the calculation formula included the average vertical and transverse compressive stresses of the standard specimens of corrugated paperboard, the average and minimum values of the platform forces of single-layer vertical and horizontal columns and the compression cross-sectional area of the corrugated paperboard column. The double-layer outer transverse and inner vertical corrugated paperboard square column forms a constrained structure. Under the constrained effect of the outer tube in the transverse direction and the guidance of stable compression deformation, the axial crushing process is stable, and it has superior plastic deformation characteristics and high energy absorption capacity.

导出引用

齐宏伟, 杨颖, 秦杰, 庄宝潼. 瓦楞纸板方管约束柱力学性能研究[J]. 包装工程（技术栏目）. 2025, 46(19): 65-74 https://doi.org/10.19554/j.cnki.1001-3563.2025.19.008

QI Hongwei, YANG Ying, QIN Jie, ZHUANG Baotong. Mechanical Properties of Corrugated Paperboard Square Tube-constrained Columns[J]. Packaging Engineering. 2025, 46(19): 65-74 https://doi.org/10.19554/j.cnki.1001-3563.2025.19.008

中图分类号： TB484.1 TU317

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