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单板层积材顺纹抗拉与抗压强度的尺寸效应分析     被引量:2

Dimension Effect on Tension and Compression Strength of Laminated Veneer Lumber

文献类型:期刊文献

中文题名:单板层积材顺纹抗拉与抗压强度的尺寸效应分析

英文题名:Dimension Effect on Tension and Compression Strength of Laminated Veneer Lumber

作者:赵荣军[1,2] 王丽[1,2] 张俊珍[1,2] 钟永[1,2] 林利民[3] 任海青[1,2]

第一作者:赵荣军

机构:[1]中国林科院木材工业研究所;[2]中国林科院林业新技术研究所;[3]黑龙江省木材科学研究所

年份:2016

卷号:30

期号:3

起止页码:38-40

中文期刊名:木材工业

外文期刊名:China Wood Industry

收录:CSTPCD;;北大核心:【北大核心2014】;

基金:"十二五"国家支撑计划课题"结构用木质复合材料构件制造技术研究"(2015BAD14B0502);国家林业局林业科技成果推广项目"新型国产材木结构墙体与桁架连接技术应用与示范"(201409)

语种:中文

中文关键词:单板层积材;尺寸效应;抗拉强度;抗压强度

外文关键词:LVL: dimension effect: tension strength; compression strength

分类号:S781.2;TS67

摘要:为探究足尺单板层积材(LVL)在木结构建筑中的强度,测试3种尺寸试样的抗压强度和2种尺寸试样的抗拉强度。结果表明:试件长度对其顺纹抗拉强度有显著尺寸效应,随着试样长度的增加,LVL的抗拉强度减小;试样长度和截面尺寸对其顺纹抗压强度亦有显著尺寸效应,随着长度及截面尺寸增加,抗压强度减小。
In order to analyze the mechanical properties of laminated veneer lumber (LVL) used in wood construction, the authors selected LVL specimens with different dimensions to test tension strength and compression strength parallel to grain. The results showed that the tension strength of the samples was influenced by the length, and the tension strength decreased as length increased. Moreover, the compression strength of the samples was also significantly affected by the length and the transverse dimensions, which decreased as the length and the transverse dimensions increased

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