Design and Test of Quad-Bundle Spacer Damper Based on a New Rubber Structure

Table 1

Statistical data of the damage of spacer damper.

Fault type	Number	Percentage
Missing bolt or missing cotter pin	340	57.14
Fracture and breakage	145	24.3
Loose rubber pads	46	7.7
Dislodged clamps	28	4.7
Displacement	25	4.2
Others	11	2.2