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

Table 17

OPC-WPPA5 and PPC-WPPA5.

Item	Concrete				Item	Concrete
Mix code	OPC-WPPA 5				Mix code	PPC-WPPA 5
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.	2.954	320	945.28	Cement	Qnt.	2.954	260	768.04
Sand	m^3	0.524	280	146.72	Sand	m^3	0.523	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	15.6	1.00	15.6	Waste paper pulp ash	kg	15.6	1.00	15.6
Total				1434.68	Total				1257.44
Total cost reduced by 5% waste paper pulp ash replacement (%)				2.34	Total cost reduced by 5% waste paper pulp ash replacement (%)				1.95