[1]李桥,宋焕,王志强*. 竹/木销连接组合木梁抗弯性能研究[J].西北林学院学报,2020,35(2):218-222.[doi:10.3969/j.issn.1001-7461.2020.02.33]
　LI Qiao,SONG Huan,WANG Zhi-qiang*. Bending Performance of Timber Composite Beam Fastened with Bamboo/Wood Dowels[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2020,35(2):218-222.[doi:10.3969/j.issn.1001-7461.2020.02.33]
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 竹/木销连接组合木梁抗弯性能研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第35卷
期数:
2020年第2期
页码:
218-222
栏目:
出版日期:
2020-03-31

文章信息/Info

Title:
 Bending Performance of Timber Composite Beam Fastened with Bamboo/Wood Dowels
文章编号:
1001-7461(2020)02-0218-05
作者:
 李桥; 宋焕; 王志强*
（南京林业大学 材料科学与工程学院，江苏 南京 210037）
Author(s):
 LI Qiao; SONG Huan; WANG Zhi-qiang*
 (College of Materials Science and Engineering,Nanjing Forestry University,Nanjing 210037,Jiangsu,China)
关键词:
 ; 竹/木销; 销连接; 组合木梁; 抗弯性能
Keywords:
 ; bamboo/wood dowel;  dowel connection;  timber composite beam;  bending performance
分类号:
TS652
DOI:
10.3969/j.issn.1001-7461.2020.02.33
文献标志码:
A
摘要:
 试验对竹/木销连接的双层规格材组合木梁进行四点弯曲加载试验。试验参数包括销的种类（竹销和木销），钉入角度（45°、60°、90°）和竹销直径（8、10、12 mm）。结果表明，90°和60°角连接时，竹销连接组合木梁刚度比木销连接分别提升11%和18%；组合木梁随销钉入角度的增加，刚度逐渐增加，90°角连接比60°和45°角连接刚度分别提升7%和29%；增加竹销直径可以有效提升组合木梁刚度。
Abstract:
 Four-point bending tests were carried out on double-layer timber composite beams fastened with bamboo and wood dowels.The connection parameters included the types of dowels (bamboo dowels and wood dowels),the connection angles (45,60,and 90°) and the diameter of the dowels (8,10,and 12 mm).The results showed that the stiffness of the composite beams using bamboo dowels increased by 11% and 18% compared with wood dowel connection when connected at 90° and 60°,respectively; the stiffness of composite beams increased gradually with the increase of dowel connection angle,and the stiffness of 90° connection increased by 7% and 29% compared with 60° and 45° connection,respectively; the increase of bamboo dowel diameter could also effectively improve the stiffness of composite beams.

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备注/Memo

备注/Memo:
 收稿日期：2019-05-04修回日期：2019-05-27
基金项目：国家自然科学基金项目（31570559）。
作者简介：李桥，男，硕士，研究方向：木结构建筑。E-mail:18362985071@163.com
*通信作者：王志强，男，教授，研究方向：新型工程木产品和木结构建筑。E-mail:wangzhiqiang@njfu.edu.cn
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