Method for producing concrete blending material by using igneous rock
An igneous rock and concrete technology, applied in the field of building materials, can solve the problems of unsuitable concrete admixture, difficult to have market competitiveness, low quality coefficient, etc., and achieve the effects of dense concrete, low cost and wide source of raw materials
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Embodiment 1
[0011] The weight percent of the raw material components of the igneous rock admixture is: 100% of igneous rock.
[0012] (1) Dry the igneous rock until the water content is less than 1%.
[0013] (2) Add 2% activator of igneous rock mass, that is, calcined gypsum, mix well, put it into a ball mill and grind until the specific surface area is 500m 2 / kg, that is, igneous rock admixture.
[0014] Calculated per cubic meter of concrete, cement 230kg, igneous rock admixture 80kg, water-cement ratio 0.56, sand ratio 0.45, FDN superplasticizer 3.2kg.
[0015] The configured concrete has a 3-day compressive strength of 14.7MPa, a 28-day compressive strength of 29Mpa, and a slump of 180mm.
Embodiment 2
[0017] The weight percent of the raw material components of the igneous rock admixture is: 50% of igneous rock and 50% of slag.
[0018] (1) Drying the igneous rock and the slag separately until the water content is less than 1%.
[0019] (2) Add igneous rock and slag total amount of 8% exciter namely quicklime, mix evenly, put into ball mill and grind until the specific surface area is 450m 2 / kg, that is, igneous rock admixture.
[0020] Calculated per cubic meter of concrete, cement 210kg, igneous rock admixture 100kg, water-cement ratio 0.56, sand ratio 0.45, FDN superplasticizer 2.67kg.
[0021] The configured concrete has a 3-day compressive strength of 15.5MPa, a 28-day compressive strength of 33.5MPa, and a slump of 200mm.
Embodiment 3
[0023] The weight percent of the raw material components of the igneous rock admixture is: 50% of igneous rock and 50% of fly ash.
[0024] (1) Dry the igneous rock until the water content is less than 1%.
[0025] (2) Add igneous rock and 5% of the total amount of fly ash as an activator, that is, calcined gypsum, mix well, put it into a ball mill and grind it until the specific surface area is 550m 2 / kg, that is, igneous rock admixture.
[0026] Calculated per cubic meter of concrete, cement 280kg, igneous rock admixture 80kg, water-cement ratio 0.47, sand ratio 0.42, FDN superplasticizer 2.30kg.
[0027] The configured concrete has a 3-day compressive strength of 20MPa, a 28-day compressive strength of 39.6Mpa, and a slump of 210mm.
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