Microstructure Characteristics of GFRP Reinforcing Bars in Harsh Environment

Table 6

Summary of reduction factors for GFRP reinforcing bars.

Reference	Country	Year	Reduction factor
			Environmental	Creep/sustained load	Combined
ACI 440.1R [2]	USA	2015	0.7–0.8	0.2	0.14–0.16
FIB [4]	UK	1999	0.72	0.3	0.216
Ali, et al. [23]	Canada	2018	0.75–1.00	—	—
JSCE [57]	Japan	1997	0.77	—	—
CSA S6 [58]	Canada	2006	0.55	0.25	0.1375
NS 3473 [59]	Norway	1998	0.5	0.80–1.00	0.40–0.50
CSA S806 [60]	Canada	2012	0.75	0.3	0.225
Huang and Aboutaha [61]	USA	2010	0.31–1.00	—	—