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

Table 18

OPC-WPPA 10 and PPC-WPPA 10.

Item	Concrete				Item	Concrete
Mix code	OPC-WPPA 10				Mix code	PPC-WPPA 10
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.	2.799	320	895.68	Cement	Qnt.	2.799	260	727.74
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	31.1	1.00	31.1	Waste paper pulp ash	kg	31.1	1.00	31.1
Total				1400.58	Total				1232.64
Total cost reduced by 10% waste paper pulp ash replacement (%)				4.66	Total cost reduced by 10% waste paper pulp ash replacement (%)				3.88