| 意杨单板层积材受弯构件结构性能的试验研究 |
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| 引用本文： | 董国庆,王嘉航.意杨单板层积材受弯构件结构性能的试验研究[J].淮阴工学院学报,2010,19(1):84-88. |
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| 作者姓名： | 董国庆 王嘉航 |
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| 作者单位： | 1. 东南大学,成贤学院,南京,210009
2. 苏州科技学院,土木学院,江苏,苏州,215011 |
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| 摘 要： | 简要介绍了意杨单板层积材和单板层积材受弯构件的加工工艺。对不同设计参数的单板层积材受弯构件进行结构性能试验研究,研究了单板层积材受弯构件的破坏形式、破坏机理及抗弯极限承载力等;探讨了单板厚度、受弯构件体积对单板层积材受弯构件抗弯强度的影响。试验结果表明,单板层积材受弯构件受拉区边缘木材纤维拉断,破坏构件挠度大;单板层积材单板越薄,单板层积材受弯构件性能越好;随着单板层积材构件体积增加,承载力提高,抗弯强度降低。研究表明,杨木LVL作为建筑中结构用材将有很大的发展空间。
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| 关 键 词： | 单板层积材 加工工艺 弯曲性能 试验研究 极限荷载 |
Experimental Study on the Structural Performance of Poplar Laminated Veneer Lumber Beams |
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| DONG Guo-qing,WANG Jia-hang.Experimental Study on the Structural Performance of Poplar Laminated Veneer Lumber Beams[J].Journal of Huaiyin Institute of Technology,2010,19(1):84-88. |
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| Authors: | DONG Guo-qing WANG Jia-hang |
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| Affiliation: | 1.Chengxian College/a>;Southeast University/a>;Nanjing 210009/a>;China/a>;2.School of Civil Engineering/a>;Suzhou University of Science and Technology/a>;Suzhou Jiangsu 215011/a>;China |
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| Abstract: | The processing method of laminated veneer lumber and LVL beams were explicated.The experimental study on the structural performance of the different design parameter poplar Laminated Veneer Lumber Beams were conducted,and the failure patterns,flexural strength and stiffness of the beams were studied.The paper analyzed the veneer thickness and the volume of LVL beams influencing the structural performance.The experimental results show that the failure patterns of LVL beams begin at the outmost timber fibre i... |
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| Keywords: | laminated veneer lumber（LVL） flexural behavior experimental study ultimate load |
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