Effect of Mortar Constraint Conditions on Pullout Behavior of GFRP Soil Nails

Table 3

Strain transfer depth under different constraint conditions.

Constraint condition	Load (kN)	Strain transfer depth (m)	Remarks
Unconstraint	40	0.5
	114	0.6	Effective anchorage depth
Strong constraint	50	0.5
	110	0.8
	170	0.9
	202	1.0	Effective anchorage depth