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六杆四面体单元组成的球面网壳是一种适应建筑工业化需求的新型空间结构体系.基于一个10m跨度的大型实物模型,对这种新型网壳结构进行了装配化施工的实践研究.模型的六杆四面体单元全部预先加工完成,再按照拟定的施工方案,以其为基本单位进行安装,并对安装过程中出现的问题进行了总结和分析.模型安装完成后,利用全站仪测得所有节点坐标,并利用测得坐标重建有限元模型,通过与设计模型的静力计算结果进行比较,从理论角度分析了安装误差对结构静力特性的影响.本文工作能为这种新型球面网壳的工程实践提供一定的指导.
The hexagonal tetrahedron spherical reticular shell is a new type of space structure system that can adapt to the industrialization of construction.A practical research on the construction of this new reticulated shell structure is carried out based on a large physical model of 10m span.The model Six rod tetrahedron unit all pre-processing completed, and then follow the proposed construction program, with its basic unit for installation, and the installation process of the problems were summarized and analyzed.After the model is installed, the use of total station measured All the coordinates of the nodes and reconstruct the finite element model by using the measured coordinates and compare the static calculation results with the design model to analyze the influence of the installation error on the static characteristics of the structure from the theoretical point of view.The work in this paper can provide a theoretical basis for the new spherical net Shell engineering practice to provide some guidance.