id	keyword
fis-3249	aging
fis-3249	process
fis-3249	concrete
fis-3249	specimens
fis-3249	velocity
fis-3249	wave
fis-3249	doi
fis-3249	fig
fis-3249	load
fis-3249	measurements
fis-3249	damage
fis-3249	cycles