空间桁架，即球节架，属于轻便刚性结构构造组成一个几何样式。球节架通常运用一个多向间距，是由张力杆和压力杆组成的结构，结构处在三度空间的受力状态下，无论哪一类桁架，能承受来自各个方向的载荷，对抗震大垮距的建筑物更能发挥功用。
Based on the space truss displacement method, the modified full stress method, the subspace iteration method and the mode- superposition response spectrum method, an analysis program of space trusses was compiled with Fortran 90 computer language.
利用空间桁架位移法、修改的满应力法、子空间迭代法、振型迭加反应谱法编制了三层网架的静动力分析程序。
参考来源 - 三层网架的静动力分析According to the configuration study and kinematic analysis,the conclusion was drawn that the jewel-like single-layer folded-plane lattice shell was a statically determinate spatial truss which satisfies the invariant configuration condition.
通过构形研究和机动分析,论证了宝石群单层折面网壳是一种满足几何不变性基本要求的静定空间桁架结构。
参考来源 - 宝石群单层折面网壳构形研究和简化杆系计算模型·2,447,543篇论文数据，部分数据来源于NoteExpress
文中介绍了空间桁架支座及跨中节点设计；
最后还提出了梁筋直锚型节点受力的空间桁架模型。
Finally, a novel spatial truss mechanism model for the beam-wider-than-wall joint is put forward.
研究发现厚承台的传力机理符合空间桁架模型理论。
The study indicates that the transfer mechanism conforms to the space truss model.
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