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为改善环向折线形单层球面网壳的受力特性,在环向折线形单层球面网壳中增设了若干道环索、斜索和撑杆,形成了一种新型的弦支环向折线形单层球面网壳的加强结构体系。从满足不同建筑造型要求和合理、经济的受力体系的角度出发,给出了五种不同的布索方案,并对各方案下的结构受力性能做了对比分析。经分析可知,布索方案3~5下的弦支环向折线形单层球面网壳的性能较优。研究结果为揭示各种不同布索方式下的弦支环向折线形单层球面网壳的受力特性和内力、位移的变化规律提供依据,也可为此类网壳结构的初步设计、优化设计和多方案比较提供参考。
In order to improve the mechanical properties of the toroidal reticular single-layer reticulated dome, a number of ring cables, diagonal cables and struts were added to the toroidal reticulated single-layer spherical reticulated dome, forming a new type of chordal ring Reinforced Structural System of a Single Linear Spherical Reticulated Shell. From the point of view of meeting the requirements of different architectural shapes and reasonable and economical force system, five different Boussinesolutions are given, and the comparative analysis of the mechanical performance under different schemes is made. According to the analysis, we can see that the performance of the chordal rings of the Boussinesh scheme 3 to 5 is better than that of the monocoque. The results provide the basis for revealing the stress characteristics and the variation of internal forces and displacements of the chordal rings of the chordal rings under different kinds of cloths, and also provide the basis for the preliminary design and optimization of such reticulated shell structures Design and multi-program comparison for reference.