大跨度异形钢木组合屋架结构选型及试验研究

发布时间：2018-04-28 17:12

本文选题：异形钢木组合屋架 + 暗齿板组合节点　；参考：《建筑结构学报》2014年09期

【摘要】：中国美术学院象山校区专家接待楼采用交叉编织异形钢木组合屋架,屋盖造型新颖,空间支撑系统简洁有序,但其力学特性十分复杂。通过对代表榀屋架进行机构分析,结合有限元分析,获得优化后的无明确下弦杆的异形钢木组合屋架结构体系。随后展开钢木组合构件的节点受力试验研究,3种节点方案的承载力对比试验结果表明,采用高强螺栓辅以暗齿板销轴连接组合杆件可以解决钢木组合杆与木杆混搭时的连接问题。采用适当的力学假设建立相应的整体计算模型并通过足尺试验考察结构的受力性能,试验结果和理论分析结果吻合较好,表明计算模型能够较好反映结构受力特性。文中所提出的结构体系既可实现建筑构想又满足结构安全和使用要求。本文研究工作可为钢木组合结构的工程应用提供参考。
[Abstract]:The expert reception building of Xiangshan Campus of China Academy of Fine Arts adopts cross-woven special-shaped steel-wood composite roof truss. The roof is novel in shape and the space support system is simple and orderly, but its mechanical properties are very complex. Through the mechanism analysis of the representative roof truss and the finite element analysis, the optimized structure system of special-shaped steel-wood composite roof truss without clear lower chord is obtained. Then the experimental research on the joint bearing capacity of steel-wood composite members is carried out. The results show that the bearing capacity of the three joint schemes is compared. The connection problem of steel and wood composite rod can be solved by using high strength bolt and dark tooth plate pin shaft connecting member. A proper mechanical hypothesis is used to establish the corresponding integral calculation model and the mechanical properties of the structure are investigated through full-scale tests. The experimental results are in good agreement with the theoretical analysis results, which indicates that the calculation model can better reflect the mechanical characteristics of the structure. The structure system proposed in this paper can not only realize the architectural conception, but also meet the requirements of structural safety and operation. The research work in this paper can provide a reference for the engineering application of steel-wood composite structure.
【作者单位】：中国美术学院风景建筑设计研究院;浙江大学建筑工程学院;
【分类号】：TU398.6

【相似文献】