Partial Replacement of Cement by Waste Paper Pulp Ash and Its Effect on Concrete Properties

Table 19

OPC-WPPA 15 and PPC-WPPA15.

Item	Concrete				Item	Concrete
Mix code	OPC-WPPA 15				Mix code	PPC-WPPA 15
Total quantity of item	1 m^3				Total quantity of item	1 m^3
Type of material	Unit	Qty	Rate (birr)	Cost per unit (birr)	Type of material	Unit	Qty	Rate (birr)	Cost per unit (birr)
Cement	Qnt.	2.643	320	845.76	Cement	Qnt.	2.643	260	687.18
Sand	m^3	0.524	280	146.72	Sand	m^3	0.524	280	146.72
C. aggregate	m^3	0.629	520	327.08	C. aggregate	m^3	0.629	520	327.08
Water	m^3	0.188	—	—	Water	m^3	0.188	—	—
Waste paper pulp ash	kg	46.7	1.00	46.7	Waste paper pulp ash	kg	46.7	1.00	46.7
Total				1366.26	Total				1207.68
Total cost reduced by 15% waste paper pulp ash replacement (%)				6.99	Total cost reduced by 15% waste paper pulp ash replacement (%)				5.83