Study on the Bond Strength of Steel-Concrete Composite Rectangular Fluted Sections

Table 2

Mix proportion details.

Grade of concrete	W/c	Portland cement (kg/m^3)	M-sand (kg/m^3)	Aggregate (kg/m^3)		Average cube compressive strength, fck (N/mm^2)
				12 mm	10 mm	7 days	28 days
M30	0.50	390	672	585	585	28.9	39.69