133


in the displacement ductility factor was observed for the specimens reinforced with the


CFRP grid.


 12
 Pu
 92----------------- ----
 S9 0.8Pu
 0 75P
 6

 3

 S11.2 11.65
 0
 0 3 6 9 12 15 18
 Displacement (in)


Figure 6-46. Calculation of displacement ductility factors for specimen SCC3


0.002


0.0025


0 0.0005 0.001 0.0015
 Curvature (rads/in)


Figure 6-47. Calculation of curvature ductility factors for specimen SCC3


Table 6-5. Experimental displacement ductility factors
Specimen Pi Pu 6c, 6u A
 (kips) (kips) (in.) (in.)
 SCC1 9.3 9.3 11.5 11.9 1.03
 SCC2 12.4 12.4 11.4 12.4 1.09
 SCC3 10.2 10.4 11.2 11.6 1.04
 SCG1 12.1 13.2 12.7 15.0 1.18
 SCG3 11.0 12.1 9.9 11.5 1.16


Mu

M' 0.8Mu

0.75Mh 12T
 I I I
 ^<?~---------------------




 t 0.000683 0.00778