两侧有覆面板的木结构剪力墙侧向变形计算  

Estimating Deflections of Wood Shear Walls Sheathed on Both Sides

作　　者：张盛东[1] Chun Ni Erol Karacabeyli 

机构地区：[1]同济大学建筑工程系,上海200092 [2]加拿大国家林产工业技术研究院木结构工程部

出　　处：《结构工程师》2007年第5期25-29,40,共6页Structural Engineers

摘　　要：木材是与环境最和谐的一种建筑材料。木结构剪力墙是轻型木结构的主要竖向抗侧力构件,为了消防的需要,木结构剪力墙内侧常覆有防火石膏板,现在某些国家的木结构规范中已考虑石膏板对剪力墙承载力的有利影响。尽管有些国家的建筑规范中已给出了估算单侧木基结构面板覆面木结构剪力墙侧向变形的方法,但并不适合于两侧有覆面板的木结构剪力墙。研究将美国《统一建筑规范》中的4项变形公式进行扩展来预测一侧为木基结构面板覆面、另一侧为石膏板覆面木结构剪力墙的变形,所得公式预测值与试验结果对比较好。Wood is the most environmentally friendly building material. Shear walls play an important role in the wind and seismic resistance of low-rise wood-frame buildings. Fire-rated gypsum wallboard panels are normally sheathed on the framings of walls for fire-proofing. Although some building codes （e. g. Uniform Building Code） have provided methods for estimating elastic deflection of shear wall sheathed with single side wood structural panels, but no method is provided for shear walls sheathed on both sides. In this paper the 4-term deflection formula for single side wood structural panels shear walls was extended to shear walls sheathed on both sides only by changing the total load vs into the part load vp the virtual single-sided wood structural panel sheathed wall supported. It is shown that this method can give reasonable predictions compared with test results.

关 键 词：变形 两侧覆面木结构剪力墙 木基面板 石膏板 钉节点 

分 类 号：TU366.2[建筑科学—结构工程]