id	keyword
fis-4521	load
fis-4521	gratings
fis-4521	specimen
fis-4521	concrete
fis-4521	gfrp
fis-4521	reinforcement
fis-4521	failure
fis-4521	slab
fis-4521	thickness
fis-4521	shear
fis-4521	steel
fis-4521	punching
fis-4521	doi
fis-4521	results
fis-4521	control
fis-4521	strength
fis-4521	strain