id	keyword
fis-2782	concrete
fis-2782	strength
fis-2782	bond
fis-2782	bond strength
fis-2782	rubber
fis-2782	specimens
fis-2782	steel
fis-2782	doi
fis-2782	temperature
fis-2782	cfst
fis-2782	circular
fis-2782	square
fis-2782	tube
fis-2782	slippage
fis-2782	content