Few-pore anti-crack mortar and preparation method thereof
An anti-cracking mortar and pore technology, which is applied in the field of less-porous anti-cracking mortar and its preparation, can solve the problems that the pores cannot be eliminated in time, and the cement hydration is uneven, so as to improve the overall strength and anti-cracking ability, and enhance the length of the main chain and structural stability, the effect of reducing water consumption
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Embodiment 1
[0038] A kind of anti-cracking mortar with less pores, the mixed mortar includes the following components: 670 parts of furnace bottom slag, 230 parts of granulated blast furnace slag powder, 49 parts of titanium gypsum, 11 parts of Portland cement clinker, 7 parts of glass powder, 5 parts of heavy calcium, 4 parts of modified water reducer, 2 parts of modified vermiculite, 0.4 part of sodium dodecylbenzenesulfonate, 650 parts of water; the particle size of the furnace bottom slag is less than or equal to 2.36mm.
[0039] The preparation method of described modified vermiculite is:
[0040] a. Surface removal: After the vermiculite is extracted with acetone, the surface attachments are cleaned in distilled water and dried;
[0041] b. Activation treatment: place the purified vermiculite in the plasma chamber for 75s, and the discharge gas is oxygen to obtain activated vermiculite; the power of the plasma chamber described in step b is 255W, and the flow rate is 310Pa m 3 / s. ...
Embodiment 2
[0050] The difference from Example 1 is that it is a kind of anti-cracking mortar with less porosity, and the mixed mortar includes the following components: 650 parts of furnace bottom slag, 220 parts of granulated blast furnace slag powder, 48 parts of titanium gypsum, and 10 parts of Portland cement Clinker, 6 parts of glass powder, 4 parts of heavy calcium, 3 parts of modified water reducer, 1 part of modified vermiculite, 0.3 part of sodium dodecylbenzenesulfonate, 600 parts of water; The diameter is less than or equal to 2.36mm.
[0051] The preparation method of described modified vermiculite is:
[0052] a. Surface removal: After the vermiculite is extracted with acetone, the surface attachments are cleaned in distilled water and dried;
[0053] b. Activation treatment: place the purified vermiculite in the plasma chamber for 60s, and the discharge gas is oxygen to obtain activated vermiculite; the power of the plasma chamber described in step b is 250W, and the flow ...
Embodiment 3
[0062] The difference from Example 1 is that it is a less porous anti-cracking mortar, and the mixed mortar includes the following components: 660 parts of furnace bottom slag, 225 parts of granulated blast furnace slag powder, 48.5 parts of titanium gypsum, and 10.5 parts of Portland cement Clinker, 6.5 parts of glass powder, 4.5 parts of heavy calcium, 3.5 parts of modified water reducer, 1.5 parts of modified vermiculite, 0.35 part of sodium dodecylbenzenesulfonate, 620 parts of water; The diameter is less than or equal to 2.36mm.
[0063] The preparation method of described modified vermiculite is:
[0064] a. Surface removal: After the vermiculite is extracted with acetone, the surface attachments are cleaned in distilled water and dried;
[0065] b. Activation treatment: place the purified vermiculite in a plasma chamber for 70 seconds, and the discharge gas is oxygen to obtain activated vermiculite; the power of the plasma chamber described in step b is 252W, and the f...
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