Enhancing the Seismic Performance of Precast RC Frames with Cladding Panels through Setting U-Shaped Dampers and Rocking Walls

Table 1

Periods of all models (the values in brackets are the modal mass participating ratios).

Models	Reference [31]	Benchmark model	PRCFCP	PRCFCP -USD	PRCFCP -USD-RW
T1 (s)	1.169	1.118 (0.825)	1.051 (0.840)	0.915 (0.861)	0.910 (0.951)