The main conclusion we can get as follows:1) Under the joint load, it is evident for filling concrete to improve the carrying capacity of the structure. The stress concentrating phenomenon of joints on the hollow tube is evident.
部分填充混凝土的理念是根据实际桥梁受力状态提出的,为了分析部分填充混凝土矩形钢管桁架在具有弯矩荷载作用下的受力特性,分别分析了结构在节点荷载和节点荷载与端弯矩共同作用下结构的整体工作性能,跟踪分析结构的加载全过程、塑性发展和结构破坏模式。
参考来源 - 受压弦杆填充混凝土的矩形钢管（钢箱）桁架静力性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
还给出了常见非节点荷载的等效荷载公式。
Furthermore, the formulas of calculating the equivalent nodal loads of common non-nodal loads were also given.
本文还探讨了波浪荷载转化为节点荷载以及土壤地基的模型化问题。
The wave loading and the modeling of the soil base are also discussed.
将温度场以节点荷载的形式施加到网壳结构上，进行有限元数值分析。
The temperature load was then applied as node load to the lattice shell, which is the roof structure of the warehouse, and FEM analysis was performed.
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