Cementing material for modifying bulk filling body, preparation method and application of cementing material
A technology of gelling materials and filling materials, applied in the field of gelling materials modified by bulk fillers and its preparation, to achieve the effect of simple raw material ratio, high early strength, and easy-to-obtain raw material ratio
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Embodiment 1
[0025] A cementitious material for modification of bulk filling body, comprising the following components in mass percentage: 5% of cement clinker, 85% of slag powder and 10% of desulfurized gypsum powder.
[0026] The slag powder includes 34% of calcium oxide, 12% of magnesium oxide, 34% of silicon dioxide, 17% of aluminum oxide and 3% of ferric oxide in terms of mass percentage; 1. The slag powder obtained by crushing and grinding has a particle size of 40-50 μm.
[0027] The mass content of calcium sulfate dihydrate in the desulfurized gypsum powder is 90%;
[0028] The cement clinker includes 60% of calcium oxide, 5% of magnesium oxide, 25% of silicon dioxide, 6% of aluminum oxide and 4% of iron oxide in mass percentage.
[0029] The preparation method of the cementitious material used for modifying the bulk filling body is as follows: uniformly mix the above-mentioned cement clinker, slag powder and desulfurized gypsum powder according to the above-mentioned mass percent...
Embodiment 2
[0034] A cementitious material for modification of bulk filling bodies, comprising the following components in mass percentage: 20% of cement clinker, 77% of slag powder and 3% of desulfurized gypsum powder.
[0035] The slag powder includes 38% calcium oxide, 10% magnesium oxide, 31% silicon dioxide, 16% aluminum oxide and 5% iron oxide by mass percentage; 1. The slag powder obtained by crushing and grinding has a particle size of 40-50 μm.
[0036] The mass content of calcium sulfate dihydrate in the desulfurized gypsum powder is 95%;
[0037] The cement clinker includes 65% of calcium oxide, 3% of magnesium oxide, 23% of silicon dioxide, 6% of aluminum oxide and 3% of ferric oxide by mass percentage.
[0038]The preparation method of the cementitious material used for modifying the bulk filling body is as follows: uniformly mix the above-mentioned cement clinker, slag powder and desulfurized gypsum powder according to the above-mentioned mass percentage.
[0039] Use the ...
Embodiment 3
[0043] A cementitious material for modification of bulk filling body, comprising the following components in mass percentage: 10% of cement clinker, 84% of slag powder and 6% of desulfurized gypsum powder.
[0044] The slag powder includes 37% of calcium oxide, 11% of magnesium oxide, 32% of silicon dioxide, 15% of aluminum oxide and 5% of ferric oxide in terms of mass percentage; 1. The slag powder obtained by crushing and grinding has a particle size of 40-50 μm.
[0045] The mass content of calcium sulfate dihydrate in the desulfurized gypsum powder is 99%;
[0046] The cement clinker includes 63% of calcium oxide, 4% of magnesium oxide, 24% of silicon dioxide, 5% of aluminum oxide and 4% of iron oxide by mass percentage.
[0047] The preparation method of the cementitious material used for modifying the bulk filling body is as follows: uniformly mix the above-mentioned cement clinker, slag powder and desulfurized gypsum powder according to the above-mentioned mass percent...
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