斜接竹材的工艺与力学性能

王希俊; 申士杰; 赵书平; 靳婷婷; 邱晨

doi:10.19455/j.mcgy.2015.05.003

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斜接竹材的工艺与力学性能
Bamboo Scarf-Jointing Technology and Mechanical Properties of Jointed Samples
1. 北京林业大学材料科字与技术学院
2. 木质材料科学与应用教育部重点实验室
2015年29卷第5期页码：14-16
DOI： 10.19455/j.mcgy.2015.05.003

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[1]王希俊,申士杰,赵书平,靳婷婷,邱晨.斜接竹材的工艺与力学性能[J].木材工业,2015,29(05):14-16.

WANG Xi-jun, SHEN Shi-jie, ZHAO Shu-ping, et al. Bamboo Scarf-Jointing Technology and Mechanical Properties of Jointed Samples[J]. China Wood Industry, 2015,29(5):14-16.
[1]王希俊,申士杰,赵书平,靳婷婷,邱晨.斜接竹材的工艺与力学性能[J].木材工业,2015,29(05):14-16. DOI： 10.19455/j.mcgy.2015.05.003.

WANG Xi-jun, SHEN Shi-jie, ZHAO Shu-ping, et al. Bamboo Scarf-Jointing Technology and Mechanical Properties of Jointed Samples[J]. China Wood Industry, 2015,29(5):14-16. DOI： 10.19455/j.mcgy.2015.05.003.

摘要

斜接是高效利用竹材、并可保持接长竹材强度的一种加工方式。在理论分析竹材的最佳斜接角度的基础上,探究竹材的斜接工艺,并对比分析斜接竹材与指接竹材的力学性能。结果表明:1)采用聚氨酯胶,在常温环境、1.2MPa压力下,斜接竹材可获得最大的拉伸强度;2)斜接角度为3.81°时,斜接竹材的拉伸强度与抗弯强度,明显高于5.71°斜接竹材与指接竹材。

Abstract

Based on optimal scarf joint angle,the authors conducted a series of experiments to evaluate scarf joint angle and pressure on mechanical properties of jointed bamboo.Results showed that:1)the highest tensile strength of the jointed bamboo was achieved with polyurethane adhesive under room conditions and 1.2MPa joint pressure;2)The tensile strength and bending strength of scarf jointed bamboo at an angle of 3.81°were higher than those at an angle of 5.71°and finger jointed bamboo.