摘要
介绍单板层积材几种力学性能的检测方法及其试验结果的对比,发现在不同跨距和加荷数量情况下,两种检测方法测得的静曲强度和弹性模量结果差异不显著。对比水平剪切强度、拉伸剪切强度和压缩剪切强度显示三者之间相关性不好,压缩剪切强度值标准差(1.92)远大于水平剪切(0.51)和拉伸剪切(0.90),压缩剪切值具有较大的试验误差,但是统计发现三种剪切强度试验结果均服从正态分布。
Some mechanical properties of LVL were tested with different test methods. The data gained were compared and showed the following results: On the condition of different loading spans and loading points, both the MOR and MOE values had unremarkable variance. Between the strength values of level shear test, tension shear test andc ompressions hear test, therew asn og reatr elativity. Standardv ariance of compressions hearv aluesw as greater (1.92) thant hato fl evels hearv alues (0.51) andt hat oft ensions hearv alues( 0.90).B ys tatistics,r esultso f allt hree types o f s hear testsf ollowedn ormald istribution,r espectively.
出处
《人造板通讯》
2005年第6期9-12,共4页
Wood-Based Panels
基金
科技基础性工作专项资金项目"人造板及制品品质和加工质量标准制定与升级"
