Alkali-activated artificial reef, adopted single ball mold and preparation method of single ball
An alkali-activated, single-ball technology, applied in botany equipment and methods, molds, manufacturing tools, etc., can solve the problems of complex manufacturing process and inability to scale production, and achieve the effect of simple process, high strength and strong durability
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[0075] The present invention also provides a method for preparing the alkali-activated concrete single ball, wherein the activator in the alkali-activated concrete single ball includes mineral powder, mixing water, gravel and sodium hydroxide; the preparation method comprises the following steps:
[0076] 1) First mix mineral powder and 70-85% (eg 71%, 72%, 73%, 74%, 75%, 76%, 77%, 78%, 79%, 80%, 81%, 82%, 83 %, 84%) mixing water, mix and stir for 1-2min, so that the cementitious material can evenly wrap the gravel, then add 100% granite gravel, mix and stir for 1-2min, and finally add 15-30% (such as 16% , 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24%, 26%, 27%, 28%, 29%, 29.5%) mixing water and admixture, mixing and stirring 1-2min, get alkali-activated concrete slurry; The admixture here is activator sodium hydroxide analytically pure, and sodium hydroxide has been dissolved in 15-30% (such as 16%, 17%, 18%, 19%, 20% %, 21%, 22%, 23%, 24%, 26%, 27%, 28%, 29%, 29.5%) of the mixing...
Embodiment 1
[0089] The alkali-activated artificial fish reef molding material prepared in this example is made of granite, S9 grade slag powder, analytically pure sodium hydroxide and water, and the mass of the high-performance alkali-activated slag cementitious material per cubic meter of the cementitious material is one Quality unit, wherein S9 grade mineral powder accounts for 1 of the unit gelling material, water accounts for 0.264 of the unit gelling material, alkali-activated sodium hydroxide accounts for 0.0645 (alkali equivalent 5%) of the unit gelling material, and the mineral powder and 70% Mixing water for 1 minute, so that the cementitious material can evenly wrap the crushed stone, then add 100% granite crushed stone, stir for 1 minute, and finally add 30% mixing water and admixture to form wet concrete, and stir for 1 minute. The single-ball molding process is divided into two layers of paving, and PVC pipes are arranged in X, Y, and Z directions. The lower hemisphere is pour...
Embodiment 2
[0091] The alkali-activated artificial fish reef material prepared in this example is made of granite, S9 grade slag powder, analytically pure sodium hydroxide and water, and the mass of the high-performance alkali-activated slag cementitious material per cubic meter of the cementitious material is taken as one mass Unit, wherein S9 grade mineral powder accounts for 1 of the unit gelling material, water accounts for 0.278 of the unit gelling material, and alkali-activated sodium hydroxide accounts for 0.0896 (alkali equivalent 7%) of the unit gelling material), and the mineral powder and 75% Mixing water for 1 minute, so that the cementitious material can evenly wrap the crushed stone, then add 100% granite crushed stone, stir for 1 minute, and finally add 25% mixing water and admixture to form wet concrete, and stir for 1 minute. The single-ball molding process is divided into two layers of paving, and PVC pipes are arranged in X, Y, and Z directions. The lower hemisphere is p...
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