刨磨质量和工艺对竹条制轴压构件力学性能影响  

Effects of Grinding Quality and Process on Mechanical Properties of Box-Shaped Member Made by Bamboo Bars under Axial Compression

作　　者：李化子 王永宝 聂云靖[1] 亢森林 朱昭旭 LI Hua-zi;WANG Yong-bao;NIE Yun-jing;KANG Sen-lin;ZHU Zhao-xu(College of Civil Engineering,Taiyuan University of Technology,Taiyuan 030024,Shanxi,China)

机构地区：[1]太原理工大学土木工程学院,山西太原030024

出　　处：《竹子学报》2024年第3期33-39,共7页Journal of Bamboo Research

基　　金：山西省教学改革创新项目(J2020057,J2021192,J20240337);太原理工大学校基金(2022QN050)。

摘　　要：【目的】研究刨磨质量和手工工艺对1 mm×6 mm竹条制作的轴心受压短杆和长杆基本力学性能的影响。【方法】采用不同初始质量的竹条,通过刨磨掉不同质量制作了112个截面尺寸为6 mm×6 mm的箱型空心受压杆件;测试了空心杆件的质量和极限承载力,并计算了荷质比;最后,探讨了3种不同刨磨工艺对杆件受力性能的影响。【结果】打磨后竹条制的空心短杆质量降低到原来的1/2,但承载力可达350~550 N,荷质比在560 N·g^(-1)以上。【结论】模型制作中竹材选材时,对长杆选择初始质量小的竹条刨磨,对短杆选择初始质量大的竹条刨磨;研究成果可为全国大学生结构设计竞赛杆件选材与制作提供参考。【Objective】To study the effects of grinding quality and manual technology on the basic mechanical properties of short and long axial compression rods made of 1 mm×6 mm bamboo strips.【Method】112 hollow box compression rods with section size of 6 mm×6 mm were fabricated by planing and grinding bamboo rods with different initial masses.The masses and ultimate bearing capacity of the hollow bar were tested,and the loadmass ratio was calculated.Finally,the influence of three different grinding processes on the mechanical properties of the bar was discussed.【Result】After grinding,the mass of the hollow short rod was reduced to 1/2 of the original,but the bearing capacity could reach 350-550 N,and the chargemass ratio was above 560 N·g^(-1).【Conclusion】When selecting bamboo material in model making,the bamboo strip with small initial mass is selected for long rod and the bamboo strip with large initial mass is selected for short rod.The research results can provide reference for the selection and manufacture of rods in the national college students′competition of structural design.

关 键 词：结构设计 竹条杆件 荷质比 刨重 试验 

分 类 号：TS652[轻工技术与工程]