Reduction of Vibrations in Long-Span Continuous Girder Bridges with Pounding Tuned Mass Dampers

Table 2

Parameters of PTMD.

Span (m)	The mass ratio (%)	Quality (t)	H1 (m)	L (m)	R1 (cm)	R2 (cm)	R3 (cm)	R4 (cm)
120	2	121.2	2.5	5	33	53	73	25
80	2	67.8	2.5	5	33	53	73	25