Mechanical and Electroconductivity Properties of Graphite Tailings Concrete

Table 1

Mechanical properties of Portland cement (MPa).

Flexural strength (MPa)		Compressive strength (MPa)		Fineness	Setting time (h : m)
3 days	28 days	3 days	28 days	1.2	Initial setting	Final setting
3.3	6.9	19.2	38.5		3 : 30	4 : 19