Table 10.

Experimental research program.

Research Type	Samples Number
Investigation of the microstructure of a cement stone modified with micro silica	Cement beam without additives, size 40 × 40 × 160 mm–3 pcs.
	Cement beam with MS-85 additive in the amount of 6%, size 40 × 40 × 160 mm–3 pcs.
	Cement beam with MS-85 additive in 10% and addition of MELFLUX 5581 superplasticizer, size 40 × 40 × 160 mm–3 pcs.
Investigation of the properties (density and strength) of lightweight concrete with MS-85 additives	A total of 6 series of samples were made: heavy concrete; lightweight fiber-reinforced concrete without adding MS-85; lightweight fiber-reinforced concrete with MS-85 additive in the amount of 6%; lightweight fiber-reinforced concrete with MS-85 additive in the amount of 8%; lightweight fiber-reinforced concrete with MS-85 additive in the amount of 10%; lightweight fiber-reinforced concrete with MS-85 additive in the amount of 12%. Each series of samples contains: cubes 100 × 100 × 100–3 pcs; prisms with dimensions 100 × 100 × 400 mm–9 pcs.