▎ 摘　　要

NOVELTY - A foamed concrete comprises 60-90 parts mass water, 120-150 parts mass cement, 200-250 parts mass sand, 250-300 parts mass stone, 6-10 parts mass blast furnace slag, 6-10 parts mass volcanic ash, 5-8 parts mass diatomaceous earth powder, 10-20 parts mass reinforcing fiber, 20-30 parts mass air-entraining agent, 15-20 parts mass water reducing agent and 0.05-0.1 part mass graphene. USE - Foamed concrete (claimed). ADVANTAGE - The lightweight foamed concrete has low viscosity and internal resistance, and excellent electroconductivity, thermal-insulating property, sound insulation property, shock resistance, strength and crack resistance.