Evaluation of Shear Strength of Concrete Flat Plates Reinforced with GFRP Plates

Table 2

Specimen details.

Specimen	⁢Slab characteristics						⁢Shear reinforcement					⁢Calculated ⁢values
	(MPa)	Slab size (mm)	Column size (mm)	(mm)	(mm)	(%)	or (MPa)	or (mm^2)		Amount of reinforcement; or; (kN)	Reinforcement type	(kN)	(kN)
Control	21			180	138	2.2	—	—	—	—	—	1251	327
SB-480							400	1200	0.5	480	Stirrup	1251	489
SB-680								1700	0.5	680		1251	572
GA-480							480	1000	0.5	480	GFRP	1251	507
GA-184								384	0.3	184		1251	435
GB-184								384	0.5	184		1251	392
GC-184								384	0.75	184		1251	384
GD-184								384	1	184		1251	397

Specimen notation: example GA-480.
G: type of shear reinforcement (S: steel stirrup, G: GFRP plate).
A: center-to-center spacing of shear reinforcement in mm (A: 40; B: 69; C: 104; D: 138).
480: amount of shear reinforcement in kN (184, 480, and 680).