[1]汪佑宏,卞正明,刘杏娥,等.坡向对毛竹主要物理力学性质的影响[J].西北林学院学报,2008,23(03):179-181.
　WAN G Youhong,BI AN Z hengmi ng,LI U Xi nge,et al.I mpact of Di ffere nt Sl o pe s o n Mai n Physi c al and Me c hani c al Pro perti e s of Ba mb o o[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2008,23(03):179-181.
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坡向对毛竹主要物理力学性质的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第23卷
期数:
2008年03期
页码:
179-181
栏目:
木材科学与家具
出版日期:
2008-05-30

文章信息/Info

Title:
I mpact of Di ffere nt Sl o pe s o n Mai n Physi c al and Me c hani c al Pro perti e s of Ba mb o o
文章编号:
1001—7461（2008）03—0179—03
作者:
汪佑宏1;  卞正明1;  刘杏娥2;  王传贵1;  柯曙华1;  徐 斌1
1．安徽农业大学林学与园林学院，安徽合肥230036；2．国际竹藤网络中心，北京100102
Author(s):
WAN G You—hong1; BI AN Z heng—mi ng1; LI U Xi ng—e 2; WAN G Chuan—gui 1; KE Shu—hua1; XU Bi n1
1．School of Forestry ＆Landscape Architecture ，Anhui Agricultural University，Hefei ，Anhui 230036，China；2．International Centre for Bamboo and Rattan，Beijing100102，China
关键词:
毛竹; 物理性质; 力学强度; 坡向
Keywords:
ba mboo ; physi cal properti es ; mechani cal properti es ; slope
分类号:
S781.9
文献标志码:
A
摘要:
研究不同坡向毛竹主要物理力学性质的变化，为竹材资源合理开发、加工和利用提供理论依据。按照GB／T 15780—1995对毛竹材的气干密度、基本密度、抗弯弹性模量、顺纹抗压强度、抗弯强度进行了测定，结果表明：气干密度、基本密度随毛竹轴向高度增加呈增加趋势，其中，东北、西南坡向的基本密度分别为0．699g·c m－3和0．720g·c m－3，气干密度分别为0．798g·c m－3和0．835g·c m－3，西南坡向毛竹的基本密度、气干密度分别增加了2．973％和4．618％，在0．05水平上经T—检验差异显著。东北坡向与西南坡向毛竹的抗弯弹性模量、顺纹抗压强度、抗弯强度分别为12368．28、11244．71MPa ，55．858、56．206MPa 和183．203、179．918MPa ，其中，东北坡毛竹的平均弹性模量较西南坡高9．08％。
Abstract:
Accordi ng to t he Chi na nati onal strandard GB／T 15780－1995，t he ai r—dry density ，basi c density ，MOE ，co mpressi ve strengt h parallel to grai n and MO R of ba mboo were meas ured ．The res ults s ho wed t hat bot h t he ai r—dry density and basi c density i ncreased along wit h t he i ncrease of axi al hei ght ．The basi c
density and ai r—dry density of ba mboo on nort heast—faci ng and s out h west—faci ng slopes were 0．699g·c m－3and 0．798g·c m－3，0．720g·c m－3and 0．835g·c m－3res pecti vely ．The basi c density and ai r—dry density of s out h west—faci ng slope i ncreased by 2．973％and 4．618％co mpared to t he values on nort heast—faci ng slope res pecti vely ．They were si gnifi cantly different at 0．05level i n T—test ．The MOE ，t he co mpressi ve strengt h parallel to grai n and t he MO R of ba mboo on nort heast—faci ng and s out h west—faci ng slope were 12368．28MPa ＆11244．71MPa ，55．858MPa ＆56．206MPa and 183．203MPa ＆179．918MPa res pecti vely ．Among t he m，t he MOE on nort heast—faci ng slope ba mboo i ncrease by 9．084％，and t he differences of MOE bet ween nort heast—faci ng and s out h west—faci ng slopes were re markable at 0．05level i n T—test ．

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备注/Memo

备注/Memo:
收稿日期：2007—03—15 修回日期：2007—05—15 基金项目：安徽省高校“十五”优秀人才计划资助科研项目 作者简介：汪佑宏（1970—），男，安徽芜湖人，博士，副教授，主要从事生物质材料的基础理论、干燥及改性方向的教学及科研工作。
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