Experimental Seismic Structural Performance Evaluations of RC Columns Strengthened by Stiff-Type Polyurea

International Journal of Concrete Structures and Materials

Table 14 Maximum and minimum reinforcement strain results of shaking table test.

Specimen	Reinforcement strain (× 10^–6)	Range of strain (× 10^–6)	Ratio
C-RC	2420	3650	1.00
C-RC	− 1230	3650	1.00
C-PU	1630	2170	0.59
C-PU	− 540	2170	0.59
C-GFPU	620	960	0.26
C-GFPU	− 340	960	0.26
R-RC	1200	1690	1.00
R-RC	− 490	1690	1.00
R-PU	330	580	0.34
R-PU	− 250	580	0.34
R-GFPU	300	510	0.30
R-GFPU	− 210	510	0.30