正交胶合木胶合性能研究现状及展望

编号 lyqk008620

中文标题 正交胶合木胶合性能研究现状及展望

作者 李明月  任海青 

作者单位 1. 中国林业科学研究院木材工业研究所, 北京 100091;
2. 北京林业大学材料科学与技术学院, 北京 100083

期刊名称 世界林业研究 

年份 2020 

卷号 33

期号 6

栏目编号 1

栏目名称 专题论述 

中文摘要 胶合性能是胶合木制品的重要性能之一。在正交胶合木（CLT）中木材特征、胶黏剂性能以及木材与胶黏剂之间界面性能共同决定了正交胶合木的胶合性能。木材作为一种天然各向异性材料，其纹理方向不同，造成组坯方式对于胶合性能影响巨大。在胶合性能测试中，取样尺寸、取样形状对于胶合性能的测试结果都有一定的影响。胶合界面性能表征方面的研究正逐渐兴起，但是针对CLT胶合界面性能表征的相关研究报道并不多。有关CLT胶合的研究多集中在胶黏剂和胶合工艺方面，而针对不同锯材单元的特性对胶合性能尤其是耐久性影响的研究尚少有报道。文中基于现有研究对CLT胶合界面性能影响因素进行总结，梳理对比CLT胶合性能测试方法以及胶合界面性能表征技术，并对今后研究方向提出意见和建议。

关键词 胶合界面  正交胶合木  测试方法  表征技术 

基金项目 国家自然科学基金“弯曲应力作用下正交胶合木（CLT）横向层断裂演化机制的研究”（31971596）。

英文标题 Research Status and Prospect of Gluing Performance of Cross Laminated Timber

作者英文名 Li Mingyue, Ren Haiqing

单位英文名 1. Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China;
2. College of Materials Science and Technology, Beijing Forestry University, Beijing 100083, China

英文摘要 Gluing property is one of the important properties of gluing wood products. The timber characteristic, adhesive properties and the interfacial properties between wood and adhesives determine the gluing properties of cross laminated timber (CLT). Wood is a kind of natural heterogeneous material, and its different grain directions make the way of plywood assembly have a great influence on the CLTs'gluing performance. The sample size and sample shape have a certain influence on the test results of the gluing performance testing. The research on the interfacial gluing performance characterization is on the rise, but there are few reports on the interfacial gluing performance characterization of CLT. The research on CLT gluing is mainly focused on adhesives and gluing process rather than on the influence of the characteristics of different sawnwood units on the gluing performance, especially the durability. Based on the existing research, this paper summarizes the factors affecting the interfacial gluing performance of CLT, reviews and compares the test methods of CLT gluing performance, and puts forward suggestions for the future research direction.

英文关键词 gluing interface;cross laminated timber (CLT);test method;characterization technique

起始页码 44

截止页码 49

投稿时间 2020/2/12

最后修改时间 2020/5/7

作者简介 李明月,女,满族,河北承德人,博士研究生,主要从事木材力学与木结构研究,E-mail:990372396@qq.com。

通讯作者介绍 任海青,女,汉族,上海人,研究员,博士生导师,主要从事木材力学与木结构研究,E-mail:renhq@caf.ac.cn。

E-mail 任海青,女,汉族,上海人,研究员,博士生导师,主要从事木材力学与木结构研究,E-mail:renhq@caf.ac.cn。

分类号 TS653

DOI 10.13348/j.cnki.sjlyyj.2020.0052.y

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