Based on paper [2]-[4], the computational model of the cable-prestressed three-dimensional steel trusses with arbitrary elastic constraints that is modeled with a set of springs is further established.

• 本文在文献[2]-[4]的基础上,进一步建立了具有任意弹性约束的拉索式空间预应力钢桁架计算模型,其中所有弹性约束均由一组弹簧模拟。