Special grouting material for bridge repair
A grouting material and bridge technology, which is applied in the field of bridge repair, can solve problems such as bridge structure damage, and achieve the effects of increasing service life, reducing dry shrinkage, and excellent strength
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[0033] Example one:
[0034] A special grouting material for bridge repair. The raw materials include the following components by weight: 55 parts of Portland cement, 6 parts of expansive cement, 6 parts of bentonite, 9 parts of absolute ethanol, 10 parts of isopropanol, 12 parts of nano silica sol , 9 parts of magnesium aluminum silicate, 18 parts of filler, 5 parts of penetrant, 4 parts of leveling agent, 5 parts of anti-aging agent, 100 parts of water.
[0035] among them:
[0036] The filler includes the following components in parts by weight: 20 parts of glass fiber powder, 15 parts of lignin fiber powder, and 10 parts of sand. And the sand size is 80 mesh and 180 mesh respectively, and the ratio of the two sizes of sand is 1:2.
[0037] The penetrant includes the following components in parts by weight: 20 parts of Japanese Chopin SHO-BOND crack repair glue, and alkali-resistant penetrant OEP-7020 parts.
[0038] The leveling agent includes the following components in parts by ...
Example Embodiment
[0043] Embodiment two:
[0044] A special grouting material for bridge repair. The raw materials include the following components by weight: 68 parts of silicate water, 7 parts of expansive cement, 6 parts of bentonite, 12 parts of absolute ethanol, 12 parts of isopropanol, 16 parts of nano silica sol Parts, 10 parts of magnesium aluminum silicate, 22 parts of filler, 6 parts of penetrant, 5 parts of leveling agent, 7 parts of anti-aging agent, 120 parts of water.
[0045] among them:
[0046] The filler includes the following components in parts by weight: 22 parts of glass fiber powder, 18 parts of lignin fiber powder, and 12 parts of sand. And the sand size is 100 mesh and 190 mesh respectively, and the ratio of the two sizes of sand is 1:2.
[0047] The penetrant includes the following components in parts by weight: 23 parts of Japanese Chopin SHO-BOND crack repair glue, and alkali-resistant penetrant OEP-7018 parts.
[0048] The leveling agent includes the following components in...
Example Embodiment
[0053] Embodiment three:
[0054] A special grouting material for bridge repair includes the following components by weight: 69 parts of Portland cement, 7 parts of expansive cement, 8 parts of bentonite, 13 parts of anhydrous ethanol, 14 parts of isopropanol, 17 parts of nano silica sol, silicon 12 parts of magnesium aluminum acid, 23 parts of filler, 8 parts of penetrant, 6 parts of leveling agent, 8 parts of anti-aging agent, 130 parts of water.
[0055] among them:
[0056] The filler includes the following components in parts by weight: 30 parts of glass fiber powder, 20 parts of lignin fiber powder, and 15 parts of sand. And the sand and gravel particle size is 120 mesh and 200 mesh respectively, and the ratio of the two sizes of gravel is 1:3.
[0057] The penetrant includes the following components in parts by weight: 30 parts of Japanese Chopin SHO-BOND crack repair glue, and alkali-resistant penetrant OEP-7021 parts.
[0058] The leveling agent includes the following compone...
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