- 摘 要
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(中南林業(yè)科技大學家具與藝術(shù)設(shè)計學院， 長沙 410004)
［摘要］國產(chǎn)人工林木材生長快、砍伐期短、力學強度低，難以達到木質(zhì)橋梁工程材的要求。因此，以玻璃纖維布、鋁箔為增強材料，對木材進行多材料之間的復合增強，并采用非線性有限元方法分析復合增強的行為特征。分析結(jié)果表明：在平面受壓時，玻璃纖維布、鋁箔具有明顯增強效果，但在斷面受壓時無明顯增強效果；組坯方式不同，玻璃纖維布、鋁箔的增強效果也不同；試件跨度、厚度和長度對極限承載力的影響具有交互作用。
［關(guān)鍵詞］國產(chǎn)人工林; 膠合木; 復合增強; 有限元分析
中圖分類號：TU366.2 文獻標識碼：A 文章編號：1002-848X(2014)09-0083-06
Nonlinear finite element analysis on reinforced effect of domestic laminated timber
Zhang Zhongfeng, Zhou Xianyan
(Furniture and Art College, Central South University of Forestry and Technology, Changsha 410004, China)
Abstract: Domestic plantation wood, which has fast growth, short cutting period and low mechanical strength, is difficult to achieve the requirements of wooden bridge engineering material. Therefore, the glass fiber cloth and aluminum foil acted as reinforcing material, and the reinforced behavior of multifunctional composite reinforced material was analyzed by the nonlinear finite element. The results show that glass fiber cloth and aluminum foil have obvious reinforced effect under flat pressure, but have no obvious reinforced effect under side pressure，and glass fiber cloth and aluminum foil have the different reinforced effect resulting from the different assembly methods. Furthermore, the interaction effects of span, thickness and length are exerted on the ultimate bearing capacity of laminated timber.
Keywords: domestic plantation; laminated timber; composite reinforcement; finite element analysis
*國家引進國際先進林業(yè)科學技術(shù)項目(2012-4-27)，湖南省教育廳高等學校科學研究優(yōu)秀青年項目（12B134）。
作者簡介：張仲鳳，博士，副教授，Email：csfuzzf@163.com。
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