[1]奚茜,杨洋,张仲凤*.不同结点形式下黄荆木重组材T型构件的抗拔力与有限元分析[J].林业工程学报,2020,5(01):182-187.[doi:10.13360/j.issn.2096-1359.201804018]
 XI Xi,YANG Yang,ZHANG Zhongfeng*.Pull-out force and finite element analysis of T-type components of Vitex negundo L. scrimber with different node forms[J].Journal of Forestry Engineering,2020,5(01):182-187.[doi:10.13360/j.issn.2096-1359.201804018]
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不同结点形式下黄荆木重组材T型构件的抗拔力与有限元分析()
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《林业工程学报》[ISSN:1001-8081/CN:32-1160/S]

卷:
5
期数:
2020年01期
页码:
182-187
栏目:
家具制造工程
出版日期:
2020-01-07

文章信息/Info

Title:
Pull-out force and finite element analysis of T-type components of Vitex negundo L. scrimber with different node forms
文章编号:
2096-1359(2020)01-0182-06
作者:
奚茜杨洋张仲凤*
中南林业科技大学,湖南省绿色家居工程技术研究中心,长沙 410004
Author(s):
XI Xi YANG Yang ZHANG Zhongfeng*
Central South University of Forestry and Technology, Green Home Engineering Technology Research Center in Hunan, Changsha 410004, China
关键词:
T型构件 抗拔力 黄荆 重组材 家具结点 有限元分析
Keywords:
T-type component pull-out force Vitex negundo L. scrimber furniture joint finite element analysis
分类号:
S781.2; TS63
DOI:
10.13360/j.issn.2096-1359.201804018
文献标志码:
A
摘要:
黄荆(Vitex negundo L.)分布广泛,再生能力强,来源丰富,材质致密,性能优良,将其开发利用对生物质资源的充分利用具有重要意义。以黄荆为原料制备黄荆木重组材,测试黄荆木重组材家具结点强度并与有限元分析结果进行对比,为今后黄荆木重组材家具设计提供理论基础和数据参考。试验测定3种典型家具结点形式(双圆榫接合、三合一连接件接合、自攻螺钉接合)的T型构件抗拔力,并运用ABAQUS有限元软件对黄荆木重组材T型构件拉力进行分析。结果表明,不同T型构件的抗拔力排序为自攻螺钉接合>双圆榫接合>三合一连接件接合; ABAQUS有限元分析得出了类似的拉力大小排序。此外,将黄荆木重组材T型构件试验与有限元分析结果进行线性回归分析发现,线性回归方程为y=0.854 8x+131.2,R2=0.848 7。运用有限元分析代替试验,避免了传统试验中大量试验材料的浪费,同时,有限元法可以为家具设计提供理论基础和数据参考。
Abstract:
As a deciduous fast-growing and widely distributed shrub, Vitex negundo L. has high density and excellent mechanical performance. At the same time, it has strong germination ability, and can be used as an excellent tree species for ecological forests, and as an important tree species for firewood forests and fertilizer forests. However, for a long time, people have not paid attention to the development and utilization of V. negundo L., which has led to serious waste of V. negundo L. resources. Its development and utilization are of great significance for the full utilization of biomass resources. This study used V. negundo L. as a raw material to prepare V. negundo L. scrimber, and compared the strength of the joints of the V. negundo L. scrimber furniture from the experimental results and the calculated results obtained from the finite element software analysis. In the furniture component joint test of the V. negundo L. scrimber, three types of joints were selected, i.e., double dowel joint, three-in-one connector joint, and self tapping screw joint. The V. negundo L. scrimber was used to determine the pull-out force of T-type components in the form of three typical furniture joints and to analyze the pull-out force of T-type components using the ABAQUS finite element software. The comparison results showed that there was a significant correlation between the experimental results of T-type components and the ABAQUS finite element analysis results. Among the three types of T-type components, self tapping screw joint pull-out force>double dowel joint pull-out force> three-in-one connector joint pull-out force. In addition, the linear regression analysis of T-type components test and finite element analysis results of the V. negundo L. scrimber revealed that the linear regression equation was y=0.854 8x+131.2, and R2=0.848 7, which was relatively high correlation. Linear regression analysis found that the pull-out force of T-component test of V. negundo L. scrimber was related to the tensile force in finite element analysis of ABAQUS, which means they had the same trend. Through the pull-out strength test and finite element software analysis of T-type components of V. negundo L. scrimber, the finite element software can be used in the test of the hinged furniture of V. negundo L. scrimber. At the same time, it avoided the waste of a large amount of test materials in the traditional experiments, and the finite element method can provide theoretical basis and reference for future furniture design.

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备注/Memo

备注/Memo:
收稿日期:2018-04-12 修回日期:2018-09-25
基金项目:国家自然科学基金(31872697); 中央财政支持地方科技发展专项(2019CT5008); 湖南省林业科技创新计划项目(XLK201946)。
作者简介:奚茜,女,研究方向为家具工程。通信作者:张仲凤,女,教授。E-mail:csfuzzf@163.com
更新日期/Last Update: 2019-12-10