ECONOMICAL DATA

The costs of materials and energy per cu. m of HEM Concrete (cement-sand ratio 0.5)

Materials	Unit	Unit price	Quantity per Cu. M	Cost
Portland cement	Kg	$ 0.151	648	$ 98
Sand	Cu M	$ 23.33	0.85	$ 19.83
Superplasticizer	Kg	$ 5.75	6.48	$ 37.26
Total (materials)				$ 155.09
Energy for mixing	Kwt-h	$ 0.142	36.8	$ 5.22
Total				$ 160.31

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