Steel slag anti-radiation concrete and preparing method thereof
A radiation-resistant, concrete technology, applied in sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of ecological environment hazards, high concrete production cost, land occupation, etc., to achieve low production cost, excellent resistance Effects of Radiation Ability
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Embodiment 1
[0036] A method for preparing radiation-resistant concrete using steel slag, comprising the following steps:
[0037] Step 1) Grinding the steel slag to control the specific surface area to 390m 2 / kg;
[0038] Step 2) Stir and mix the steel slag powder obtained in step 1) with ordinary portland cement, fine aggregate, coarse aggregate, boron glass sand, iron powder, slag powder, admixture and water in parts by weight, wherein ordinary silicon 20.5 parts of salt cement, 15 parts of hematite with a particle size of 0.075-4.500 mm, 24 parts of hematite with a particle size of 5.00-20.00 mm, 8 parts of boron glass sand, 7 parts of iron powder, and 5 parts of S95 slag powder , 10 parts of steel slag powder, 0.5 part of polycarboxylate superplasticizer, and 10 parts of water. After molding and curing, the radiation-resistant concrete is obtained, and the apparent density of the obtained concrete is 3465kg / m 3 , 28d compressive strength is 49.3MPa.
Embodiment 2
[0040] A method for preparing radiation-resistant concrete using steel slag, comprising the following steps:
[0041] Step 1) Grinding the steel slag to control the specific surface area to 410m 2 / kg;
[0042] Step 2) Stir and mix the steel slag powder obtained in step 1) with ordinary portland cement, fine aggregate, coarse aggregate, boron glass sand, iron powder, slag powder, admixture and water in parts by weight, wherein ordinary silicon 17.75 parts of salt cement, 12 parts of hematite with a particle size of 0.075-4.500 mm, 26 parts of hematite with a particle size of 5.00-20.00 mm, 6 parts of boron glass sand, 6.5 parts of iron powder, and 8 parts of S95 slag powder , 15 parts of steel slag powder, 0.75 parts of polycarboxylate superplasticizer, and 8 parts of water. After molding and curing, radiation-resistant concrete is obtained. The apparent density of the resulting concrete is 3550kg / m 3 , 28d compressive strength is 46.1MPa.
Embodiment 3
[0044] A method for preparing radiation-resistant concrete using steel slag, comprising the following steps:
[0045] Step 1) Grinding the steel slag to control the specific surface area to 440m 2 / kg;
[0046] Step 2) Stir and mix the steel slag powder obtained in step 1) with ordinary portland cement, fine aggregate, coarse aggregate, boron glass sand, iron powder, slag powder, admixture and water in parts by weight, wherein ordinary silicon 15 parts of salt cement, 10 parts of hematite with a particle size of 0.075-4.500 mm, 29 parts of hematite with a particle size of 5.00-20.00 mm, 4 parts of boron glass sand, 6 parts of iron powder, and 10 parts of S95 slag powder , 20 parts of steel slag powder, 1 part of polycarboxylate superplasticizer, and 5 parts of water. After molding and curing, radiation-resistant concrete is obtained. The apparent density of the obtained concrete is 3610kg / m 3 , 28d compressive strength is 39.6MPa.
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