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对泉州郑成功雕塑进行结构选型研究,选定板片空间结构组合体系作为雕塑的主体结构方案。通过结构整体稳定分析,揭示了影响结构稳定承载的薄弱环节。根据分析结果可知,郑成功雕塑结构延性较好,虽然存在局部失稳现象,但不会发生整体极值点失稳。利用反应谱分析法和时程分析法进行结构抗震分析,并将结果进行比较。对马腿及马腿基底进行精细分析,可知相比空钢筒马腿,带约束锚栓的异形钢管混凝土马腿承载力更高;马腿基底变形不可忽略。
Quanzhou Zheng Chenggong sculpture structure selection research, the selected combination of space structure plate system as the main structure of the sculpture program. Through the overall stability analysis of the structure, the weak links affecting the stable bearing of the structure are revealed. According to the analysis results, we can see that the plasticity structure of Zheng Chenggong is ductile. Although there is some local instability, the instability of the whole extreme point will not occur. Seismic analysis of structures was carried out by response spectrum analysis and time history analysis, and the results were compared. A detailed analysis of the horse’s leg and the horse’s leg base shows that the bearing capacity of the special-shaped steel-pipe concrete with restraining anchor is higher than that of the empty steel horse’s leg, and the deformation of the horse’s leg base can not be neglected.