Light anti-aqueous dispersion grout
A water-resistant dispersion and slurry technology, applied in the field of grouting slurry, can solve the problems of poor water-resistant dispersion performance of slurry, adverse effects on ground buildings, large amount of slurry bleeding, etc., to reduce slurry bleeding, improve filling compactness, The effect of enhancing the anti-water dispersion performance
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Embodiment 1
[0020] A lightweight water-resistant dispersion grouting slurry. The slurry composition material is: cement, fly ash, silica fume, bentonite, expanded polystyrene, hydroxymethyl cellulose and water. The weight ratio of the components is 28.5% of cement, 25.9% of fly ash, 1.3% of silica fume, 5.2% of bentonite, 1.3% of expanded polystyrene, 0.3% of hydroxymethyl cellulose, and the remaining part is water.
[0021] The cement is ordinary Portland cement, grade 32.5 and above.
[0022] SiO in silica fume 2 As the main ingredient.
[0023] Fly ash is grade III fly ash, with an average particle size of 23μm, and the composition is SiO 2 , Al 2 O 3 , CaO mineral mainly.
[0024] The average particle size of bentonite is 22μm, and the bentonite contains CaO, MgO and SiO 2 Mainly.
[0025] Expanded polystyrene (EPS) is white spherical particles with a particle size of 1mm.
[0026] The preparation process of the slurry is as follows: first soak expanded polystyrene (EPS) in water for half a min...
Embodiment 2
[0028] A lightweight water-resistant dispersion grouting slurry. The slurry composition material is: cement, fly ash, silica fume, bentonite, expanded polystyrene, hydroxymethyl cellulose and water. The weight ratio of the components is: cement 27%, fly ash 26%, silica fume 1%, bentonite 4%, expanded polystyrene 1.5%, hydroxymethyl cellulose 0.35%, and the remainder is water.
[0029] The cement is ordinary Portland cement, grade 32.5 and above.
[0030] SiO in silica fume 2 As the main ingredient.
[0031] Fly ash is grade III fly ash, with an average particle size of 26μm, and the composition is SiO 2 , Al 2 O 3 , CaO mineral mainly.
[0032] The average particle size of bentonite is 25μm. The bentonite contains CaO, MgO and SiO 2 Mainly.
[0033] Expanded polystyrene (EPS) is white spherical particles with a particle size of 1mm.
[0034] The preparation process of the slurry is as follows: first soak expanded polystyrene (EPS) in water for half a minute, filter out the water to obta...
Embodiment 3
[0036] A lightweight water-resistant dispersion grouting slurry. The slurry composition material is: cement, fly ash, silica fume, bentonite, expanded polystyrene, hydroxymethyl cellulose and water. The weight ratio of the components is 29% cement, 24% fly ash, 2% silica fume, 6% bentonite, 1.2% expanded polystyrene, 0.25% hydroxymethyl cellulose, and the remainder is water.
[0037] The cement is ordinary Portland cement, grade 32.5 and above.
[0038] SiO in silica fume 2 As the main ingredient.
[0039] Fly ash is grade Ⅲ fly ash, average particle size is 28μm, and its composition is SiO 2 , Al 2 O 3 , CaO mineral mainly.
[0040] The average particle size of bentonite is 27μm, and the bentonite contains CaO, MgO and SiO 2 Mainly.
[0041] Expanded polystyrene (EPS) is white spherical particles with a particle size of 1mm.
[0042] The preparation process of the slurry is as follows: first soak expanded polystyrene (EPS) in water for half a minute, filter out the water to obtain EPS ...
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