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Experimental and theoretical Study on Bonding Properties between Steel Bar and Bamboo Scrimber

Journal of Renewable Materials 2020年第7期8卷 773-787页

作者： Xiangya Luo Haiqing Ren Yong Zhong Research Institute of Wood Industry Chinese Academy of ForestryBeijing100714China

To further verify the feasibility of newly designed reinforced bamboo scrimber composite(RBSC)beams used in building construction,the bonding properties between steel bar and bamboo scrimber were investigated by anti-pulling *** indicated that the anti-pulling mechanical properties were significantly correlated to the diameter,thread form and buried depth of steel bar,forming density of bamboo scrimber as well as the heat treatment of bamboo *** were two failure modes for anti-pulling tests:the tensile fracture and pulling out of steel *** the ultimate load and average shear strength of anti-pulling specimen could be increased greatly with the ribbed bar,high forming density of bamboo scrimber and un-heated bamboo ***,a theoretical calculation model of the bonding interface between steel bar and bamboo scrimber was *** on the theoretical calculation model,the change laws of normal stress of bamboo scrimber,and shear stress of glue layer along the buried depth of steel bar were *** study is beneficial for the safety application of RBSC beams in building construction.

关键词： Reinforced bamboo scrimber composite(RBSC) bonding properties anti-pulling tests theoretical calculation model

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