Sawdust Ash as Powder Material for Self-Compacting Concrete Containing Naphthalene Sulfonate

Table 5

Powder content results.

SP type	Mix number	Powder content—SDA (%)	Test		Water-cement ratio
			Mortar spread (𝑑); (cm)	V-Funnel; 𝑡 (sec)
NS	PC-01N	0	26.0	4.5	0.42
	PC-02N	5	24.8	6.5
	PC-03N	10	24.1	8.0
	PC-04N	15	22.5	11.5
	PC-05N	20	20.2	18.0