1. Synthesis and investigation of properties of nanoscale foam stabilizer for foam concretes with synthesized foamers Moscow State University of Civil Engineering Scientific and Educational Center “Nanotechnology” Spokesperson: Anna Grishina

2. Model of the “iron III hydroxide sol and sodium hydrosilicates” system

3. Average size of the particles in “iron III hydroxide sol and sodium hydrosilicates” system Reference system:  =0  =0.5 =1=1  =1.5

4.  = 0  = 0.5  = 1  = 1.5  - С = 0.17%; □ - С = 0.33%;  - С = 0.50% Viscosity of the “iron III hydroxide sol and sodium hydrosilicates” system

5. Viscosity of system formed by iron hydroxide sol (0.66%), sodium hydrosilicates and “PB Lux” foamer ♦ –  = 1.2; ◊ –  = 1.4; ■ –  = 1.5; ▲ –  = 1.7%; ○ –  = 1.8; ∆ –  = 1.9; □ –  = 2.0

6. Parameters of foams produced with «PB Lux» foamer  Parameter Parameters of foams Foaming power, % Foam stability, % Reference43577.0 1.243587.9 1.343598.9 1.443598.7 1.543592.3 1.643578.5 1.743578.9 1.843578.7 1.943578.9 2.043577.0 рН value of the nanoscale admixture α ParameterрН 01.40 1.11.14.84 1.21.26.81 1.31.38.07 1.48.83 1.59.18 1.69.55 1.79.74 1.89.83 1.910.02 2.010.09 Note: рН of solutions are specified for 28 о С

7. Compressive strength of the nanoscale-modified foam concretes Strength of the developed nanoscale-modified foam concrete as a dependence from foamer content and  parameter Relative strength of the developed nanoscale- modified foam concrete as a dependence from foamer content and  parameter

8. Practical application of the “iron hydroxide sol and sodium hydrosilicates” system

9. Thank you for your attention!