南京林业大学学报(自然科学版) ›› 2011, Vol. 35 ›› Issue (06): 111-115.doi: 10.3969/j.jssn.1000-2006.2011.06.023

• 研究论文 • 上一篇    下一篇

不同竹龄慈竹重组材强度和天然耐久性比较

魏万姝1,2,覃道春1*   

  1. 1.国际竹藤网络中心,北京100102;2.北新建材集团有限公司,北京100048
  • 出版日期:2011-11-28 发布日期:2011-11-28
  • 基金资助:
    收稿日期:2011-02-13修回日期:2011-07-29基金项目:国家林业局林业公益性行业科研专项项目(201004005);国家林业局“948”项目(2008-4-73);国际竹藤网络中心基本科研业务费专项项目〖ZK)〗作者简介:魏万姝(1986—),硕士。*覃道春(通信作者),研究员。Email:qindc@icbr.ac.cn。

Physical mechanical properties and nature durability of Bambusa emeiensis  bamboo scrimber of different ages

WEI Wanshu1,2, QIN Daochun1*   

  1. 1.International Research Center for Bamboo and Rattan, Beijing 100102, China;  2.Beijing New Building Material Trading Co.,Ltd., Beijing 100048, China
  • Online:2011-11-28 Published:2011-11-28

摘要: 以1~6年生慈竹为原料,酚醛树脂(PF)为胶黏剂制备重组材,探讨了竹龄对重组材各项物理力学性能、天然耐腐及抗霉性能的影响。结果表明:慈竹的基本密度随竹龄的增加呈上升趋势;1~6年生慈竹重组材力学强度随竹龄的增加有上升趋势,但增幅不大;慈竹重组材的天然耐腐性可达到强耐腐等级,竹龄对其影响不显著;1~6年生慈竹重组材素板的天然防霉性能极差,需对其产品进行防霉处理来提高它的使用价值和经济效益,竹龄的变化对其防霉性能的影响规律不显著。根据物理力学性能与天然耐久性的比较结果,在慈竹竹材作为结构用材时,建议采伐竹龄为3~4 a。

Abstract: Bambusa emeiensis of 1 to 6yearold was as the raw material and phenol formaldehyde resin(PF) was as the adhesive to prepare bamboo scrimber. The influences of bamboos age on physical mechanical, natural decay resistance and mould inhibitor properties of bamboo scrimber were investigated. The results showed that the basic density increased with the increment age; mechanical properties strengthened with the increasing age, but it didnt change much; natural decay resistance of Bambusa emeiensis bamboo scrimber reached to the high antidecay level, while bamboo age had not significant influences on the natural decay resistance; all the 1 to 6yearsold bamboo scrimber test materials entire surface were inspected for mold growth after 4 weeks. This phenomenon showed that untreated bamboo scrimber was more prone to mildew and bamboo age had not significant influences on the natural moldresistant performance of bamboo scrimber. Based on comprehensive consideration of the physica mechanical and nature durability properties, in bamboo forest cultivation, Bambusa emeiensis as a kind of structural material appropriate cutting age should be 3 to 4yearold. 

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