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

Table 3

Dynamic responses of bridges with different PTMDs.

Span (m)	H1 (m)	Displacement (m)	Displacement of uncontrolled bridges (mm)	Vibration reduction rate
80	2	78	93	16.1
	2.5	80	93	14.0
	3.5	83	93	10.8
120 (midspan)	2	110	202	45.6
	2.5	112	202	44.6
	3.5	120	202	40.6
120 (side span)	2	112	151	25.8
	2.5	112	151	25.8
	3.5	116	151	23.2