The stiffness matrix about the three-dimension space connectingbar is derived.
并从理论上推导出了空间杆单元的刚度矩阵。
2
The above connectingbar springs rubber balls are all placed in metal tube casing pipes are fixed to supporting frame's two sides.
以上连杆、弹簧、皮球均放置在金属管内，套管固定在大梁两侧。
3
It introduces application of resin anchor fixation in construction of frame structure wall connectingbar from aspects of constructive technology features?