Use of Rice Husk-Bark Ash in Producing Self-Compacting Concrete

Table 3

Self-compacting concrete mixture proportions.

Mix	*W/B or *W/C	Mix proportions (kg/m^3)					SP	Flow (mm)
		Cement	GRHBA	Fine aggregate	Coarse aggregate	Water
CT	0.46	650	0	780	975	299	3	720
20 GRHBA	0.46	520	130	780	975	299	5	740
30 GRHBA	0.46	455	195	780	975	299	6	750
40 GRHBA	0.46	390	260	780	975	299	7	745

Note. *W/B: water cement to binder ratio (B: cementitious materials), C, CT: cement, and SP: Superplasticizer (Viscocrete by SIKA).