Strain Rate Effect on the Progressive Collapse Analysis of RC Frame Structure under Earthquake

Table 6

Response summary of the structure subjected to three-component directional excitation.

Earthquake wave	Rate-dependent model			Rate-independent model
	Location of the failure element	Time of the failure	Corresponding acceleration	Location of the failure element	Time of the failure	Corresponding acceleration
El Centro (1940)	A column at the first story	8.78 s	5.0 m/s^2	A column at the second story	6.55 s	4.5 m/s^2
Taft (1952)	A column at the second story	12.37 s	4.5 m/s^2	A column at the second story	9.28 s	4.0 m/s^2
Tianjin (1976)	A column at the second story	13.10 s	3.0 m/s^2	A column at the second story	13.28 s	2.5 m/s^2