单板层积材顺纹抗拉与抗压强度的尺寸效应分析

赵荣军; 王丽; 张俊珍; 钟永; 林利民; 任海青

doi:10.19455/j.mcgy.2016.03.011

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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
Dimension Effect on Tension and Compression Strength of Laminated Veneer Lumber
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
2016年30卷第3期页码：38-40
DOI： 10.19455/j.mcgy.2016.03.011

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[1]赵荣军,王丽,张俊珍,钟永,林利民,任海青.单板层积材顺纹抗拉与抗压强度的尺寸效应分析[J].木材工业,2016,30(03):38-40+48.

ZHAO Rong-jun, WANG Li, ZHANG Jun-zhen, et al. Dimension Effect on Tension and Compression Strength of Laminated Veneer Lumber[J]. China Wood Industry, 2016,30(3):38-40.
[1]赵荣军,王丽,张俊珍,钟永,林利民,任海青.单板层积材顺纹抗拉与抗压强度的尺寸效应分析[J].木材工业,2016,30(03):38-40+48. DOI： 10.19455/j.mcgy.2016.03.011.

ZHAO Rong-jun, WANG Li, ZHANG Jun-zhen, et al. Dimension Effect on Tension and Compression Strength of Laminated Veneer Lumber[J]. China Wood Industry, 2016,30(3):38-40. DOI： 10.19455/j.mcgy.2016.03.011.

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。

Abstract

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.

关键词

单板层积材尺寸效应抗拉强度抗压强度

Keywords

LVLdimension effecttension strengthcompression strength

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