Cellular concrete product
A technology of foamed concrete and products, which is applied in the field of building materials and can solve problems such as the inability to adapt to the compressive load-bearing strength
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[0022] Examples of specific formulations of Portland cement foam concrete.
[0023] (1) Composition formula of foam concrete exterior wall blocks with a density of 800~900 kg / m3
[0024] Ingredient content ratio
[0025] Ordinary Portland cement 700kg 61%
[0026] Fly ash 130kg 11%
[0027] River sand 110kg 10%
[0028] Limestone powder 100kg 8.8%
[0029] Zeolite powder 50kg 4.4%
[0030] Metakaolin powder 20kg 2%
[0031] Foaming agent 12kg 1.0%
[0032] Accelerator 10kg 1%
[0033] Polycarboxylic acid water reducing agent 6kg 0.5%
[0034] According to the strength requirements of high-density Portland cement, river sand is added to the composition, while the content of fly ash and limestone powder is increased to accelerate the early solidification speed and strength. Actual measurement of external wall block 60cm×30cm×12cm=0.0216m 3 , The initial setting time is 15 minutes, the final setting time is 2 hours, 46 per cubic meter. After an 18-day maintenance period, the water ab...
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