Influencing Factors on the Interface Microhardness of Lightweight Aggregate Concrete Consisting of Glazed Hollow Bead

Table 2

The chemical composition of cement.

Test item	Fineness/%	Specific surface area/(m^2/kg)	Setting time/h		Compressive strength/MPa
			Initial set	Final set	3 d	28 d
Technical indicator	1.65	320	3	4.5	26.4	51.0