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劲性支撑穹顶结构是一种新型的预应力空间结构.其上部为空间索网体系,下部为刚性杆支撑体系.本文分析了劲性支撑穹顶结构在满跨和半跨均布活荷载作用下结构的静力性能,探讨了初始预应力、矢高、跨度和环向等分数等参数对劲性支撑穹顶结构的结构杆件内力和节点位移的影响规律.通过算例分析,得出了劲性支撑穹顶结构具有良好的静力性能.参数分析中得出了许多有意义的结论,并给出了结构参数取值的建议,为劲性支撑穹顶结构的设计和工程应用提供有意义的参考.
The strong supporting dome structure is a new type of prestressed space structure, the upper part of which is a space cable network system and the lower part is a rigid rod supporting system.This paper analyzes the dynamic supporting dome structure under full span and half-span uniform live load The influence of parameters such as initial prestressing force, sagittal height, span and circumferential direction on the internal forces and joint displacements of the structural members of the dome-supported dome structure are discussed. By the example analysis, The dome structure has good static performance, and many meaningful conclusions are drawn from the parametric analysis. The suggestion of the value of structural parameters is given, which will provide a meaningful reference for the design and engineering application of the dome structure with strong support.