Mixed concrete
A concrete and admixture technology, applied in the field of mixed concrete, can solve the problems of weak fireproof and anti-explosion performance, poor impact resistance, low flexural strength, etc., to achieve anti-explosion and fire resistance, resistance to surface cracking, and low cost Effect
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Embodiment 1
[0033] Mixed concrete is composed of cement, yellow sand, red brick particles, composite mineral compact admixture, admixture and water, of which, 8% cement, 29.81% yellow sand, 45% red brick particles, and 8% composite mineral compact admixture %, admixture 0.19%, water 9%; the composite mineral compactness admixture equivalently replaces 20% of the cement; the particle size of the red brick particles is 10 mm; the fineness modulus of the yellow sand is 2.3; the yellow sand The average particle size of the cement is 0.35 mm; the cement is ordinary Portland cement with an index number of 32.5.
Embodiment 2
[0035] Mixed concrete is composed of cement, yellow sand, red brick particles, composite mineral compact admixture, admixture and water, of which, cement 12%, yellow sand 37%, red brick particles 40.86%, composite mineral compact admixture 4 %, admixture 0.14%, water 6%; the composite mineral compactness admixture equivalently replaces 45% of the cement; the particle diameter of the red brick particles is 15mm; the fineness modulus of the yellow sand is 3; The average particle size is 0.5 mm; the cement is ordinary Portland cement with index number 42.5.
Embodiment 3
[0037] Mixed concrete is composed of cement, yellow sand, red brick particles, composite mineral compact admixture, admixture and water, of which, cement 12%, yellow sand 28%, red brick particles 42.81%, composite mineral compact admixture 8 %, admixture 0.19%, water 9%; the composite mineral compactness admixture equivalently replaces 35% of the cement; the particle diameter of the red brick particles is 13mm; the fineness modulus of the yellow sand is 2.5; The average particle size is 0.45 mm; the cement is ordinary Portland cement with index number 32.5, and the admixture also includes a colorant.
[0038] The mixed concrete of the present invention adopts conventional concrete preparation methods in the art. In order to better achieve the compactness of the mixed concrete, the mixing time is 2.5 to 3.0 minutes to ensure uniform mixing. And after its initial setting, it must be watered and maintained for more than 14 days to ensure the development of concrete strength and...
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