Table 4: Flexural strength and density of standard and lightweight cube concrete with different ratio of WLA to cement (wt/wt).

Types of compositeComposite percentages (wt/wt)SamplesLoad (N)Flexural strength (MPa)Deflection (mm)

LightweightWLA55%A33301.4991.16
60%B30601.3771.48
65%C26901.2110.98
70%D4900.2210.08

Standard compositionCommercial [8]35001.4500.02