Evaluation of an Epoxy-Based Nanosilicacomposite Lining in H₂SO₄ Solution for Anticorrosion of Sewerage Concrete Structures

Table 2

Concrete mix design and properties.

W/C^a	Constituents^c (kg.m^-3)							Compressive strength, (MPa)
	Cement^b	Aggregates					Superplasticizer
		Crushed aggregate (max. 10 mm)	Crushed manufactured sand	Natural river sand	Natural fine sand	Total
0.42	415	748	372	478	287	1885	4.2	62

^aWater/cement mass ratio. ^bConstituents are given as mass ratio needed to form 1 m³ of concrete. ^cVietnamese standard Portland cement (PCB40).