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以某大跨度网壳结构为研究对象,对建筑结构进行了风洞试验.将风洞试验体型系数结果引入大跨度网壳结构并优化设计.应用复形法建立了网壳结构目标函数,初步拟定网壳结构的网格尺寸、网壳厚度、网壳矢高,以杆件的截面面积为设计变量,杆件的强度和最小截面尺寸为约束条件,并编制了相应的程序,对三圆弧网壳结构外形尺寸进行多种方案的优化设计,比较试验与规范风载体型系数优化结果,为类似网壳结构设计提供参考.
Taking a large-span reticulated shell structure as the research object, the wind tunnel test was carried out on the building structure, the results of the wind tunnel test body shape coefficient were introduced into the long-span reticulated shell structure and the design was optimized.Application of the complex method to establish the target function of the reticulated shell structure, The grid size, the thickness of reticulated shell and the reticulated shell of the reticulated shell are formulated, and the cross-sectional area of the rod is used as the design variable. The strength and the minimum cross-sectional size of the rod are used as constraints. Reticulated shell structure dimensions of a variety of programs to optimize the design, comparison test and standard wind load factor optimization results for the similar reticulated shell structure design provides a reference.