A kind of conductive wave-absorbing functional aerated concrete and preparation method thereof
A kind of air-entrained concrete, functional technology, applied in the field of building materials, can solve the problem of low utilization rate of sulfur-fixed fly ash, achieve the effect of improving hydration characteristics, enhancing electrical conductivity and wave-absorbing performance, and promoting hydration
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Embodiment 1
[0035] A conductive wave-absorbing functional aerated concrete, comprising the following components by mass percentage: 0.08% graphene oxide, 0.3% carbon fiber, 8% cement, 66% sulfur-fixing fly ash, 23% recycled stone powder, 0.3% Aluminum powder, 0.3% water reducer, 0.02% foam stabilizer, 2% chelating agent.
[0036] The method for preparing the above-mentioned conductive and wave-absorbing functional aerated concrete specifically includes the following steps:
[0037] 1) According to the above raw material formula, mix the sulfur-fixed fly ash and the regenerated stone powder and then grind them so that the particle size of the mixture is less than 80 μm. Then, add cement and mix thoroughly to obtain a solid mixture A;
[0038] 2) According to the above raw material formula, after uniformly mixing graphene, carbon fiber, water reducing agent, foam stabilizer, chelating agent and water, ultrasonically oscillate at 40°C for 40s, then add aluminum powder and stir for 30s to obt...
Embodiment 2
[0043] A conductive wave-absorbing functional aerated concrete, comprising the following components by mass percentage: 0.09% graphene oxide, 0.4% carbon fiber, 8% cement, 64% sulfur-fixing fly ash, 25% recycled stone powder, 0.2% Aluminum powder, 0.3% water reducer, 0.01% foam stabilizer, 2% chelating agent.
[0044] The method for preparing the above-mentioned conductive and wave-absorbing functional aerated concrete specifically includes the following steps:
[0045] 1) According to the above raw material formula, mix the sulfur-fixed fly ash and the regenerated stone powder and then grind them so that the particle size of the mixture is less than 80 μm. Then, add cement and mix thoroughly to obtain a solid mixture A;
[0046] 2) According to the above raw material formula, after uniformly mixing graphene, carbon fiber, water reducing agent, foam stabilizer, chelating agent and water, ultrasonically oscillate at 40°C for 40s, then add aluminum powder and stir for 30s to obt...
Embodiment 3
[0051] A conductive wave-absorbing functional aerated concrete, comprising the following components by mass percentage: 0.09% graphene oxide, 0.4% carbon fiber, 10% cement, 70% sulfur-fixing fly ash, 18% recycled stone powder, 0.2% Aluminum powder, 0.3% water reducing agent, 0.01% foam stabilizer, 1% chelating agent.
[0052] The method for preparing the above-mentioned conductive and wave-absorbing functional aerated concrete specifically includes the following steps:
[0053] 1) According to the above raw material formula, mix the sulfur-fixed fly ash and the regenerated stone powder and then grind them so that the particle size of the mixture is less than 80 μm. Then, add cement and mix thoroughly to obtain a solid mixture A;
[0054] 2) According to the above raw material formula, after uniformly mixing graphene, carbon fiber, water reducing agent, foam stabilizer, chelating agent and water, ultrasonically oscillate at 40°C for 40s, then add aluminum powder and stir for 30...
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