Quick-setting ultrahigh-water cemented filling and fire preventing and extinguishing material as well as preparation method and application thereof
The invention discloses a quick-setting ultrahigh-water cemented filling and fire preventing and extinguishing material, a preparation method and application, the quick-setting ultrahigh-water cemented filling and fire preventing and extinguishing material comprises a component A and a component B....
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| creator | LIU SHUANG REN WANXING MIN SANG-MOON WANG SHIHUA WANG SHUANG |
| description | The invention discloses a quick-setting ultrahigh-water cemented filling and fire preventing and extinguishing material, a preparation method and application, the quick-setting ultrahigh-water cemented filling and fire preventing and extinguishing material comprises a component A and a component B. The component A comprises the following raw materials in percentage by weight: 30-40% of sulphoaluminate cement, 30-35% of bauxite, 15-25% of calcium sulphoaluminate, 1-4% of a retarder, 2-3% of borax, 0.5-1% of an alkali swelling thickener and 1-5% of sodium lignin sulfonate; and the component B comprises 55-70% of gypsum, 15-25% of lime, 4-12% of a quick-setting early strength agent, 1-2% of hydroxypropyl methyl cellulose and 5-7% of guar gum. The filling and fire preventing and extinguishing material can achieve initial setting within 1-10 min under the condition of a high water cement ratio, is high in water fixation rate, has certain compression resistance and bearing performance, overcomes the defects that an |
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The component A comprises the following raw materials in percentage by weight: 30-40% of sulphoaluminate cement, 30-35% of bauxite, 15-25% of calcium sulphoaluminate, 1-4% of a retarder, 2-3% of borax, 0.5-1% of an alkali swelling thickener and 1-5% of sodium lignin sulfonate; and the component B comprises 55-70% of gypsum, 15-25% of lime, 4-12% of a quick-setting early strength agent, 1-2% of hydroxypropyl methyl cellulose and 5-7% of guar gum. 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The component A comprises the following raw materials in percentage by weight: 30-40% of sulphoaluminate cement, 30-35% of bauxite, 15-25% of calcium sulphoaluminate, 1-4% of a retarder, 2-3% of borax, 0.5-1% of an alkali swelling thickener and 1-5% of sodium lignin sulfonate; and the component B comprises 55-70% of gypsum, 15-25% of lime, 4-12% of a quick-setting early strength agent, 1-2% of hydroxypropyl methyl cellulose and 5-7% of guar gum. 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The component A comprises the following raw materials in percentage by weight: 30-40% of sulphoaluminate cement, 30-35% of bauxite, 15-25% of calcium sulphoaluminate, 1-4% of a retarder, 2-3% of borax, 0.5-1% of an alkali swelling thickener and 1-5% of sodium lignin sulfonate; and the component B comprises 55-70% of gypsum, 15-25% of lime, 4-12% of a quick-setting early strength agent, 1-2% of hydroxypropyl methyl cellulose and 5-7% of guar gum. The filling and fire preventing and extinguishing material can achieve initial setting within 1-10 min under the condition of a high water cement ratio, is high in water fixation rate, has certain compression resistance and bearing performance, overcomes the defects that an</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE EARTH DRILLING FIRE-FIGHTING FIXED CONSTRUCTIONS GALLERIES HUMAN NECESSITIES LARGE UNDERGROUND CHAMBERS LIFE-SAVING LIME, MAGNESIA METALLURGY MINING REFRACTORIES SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SHAFTS SLAG TREATMENT OF NATURAL STONE TUNNELS |
| title | Quick-setting ultrahigh-water cemented filling and fire preventing and extinguishing material as well as preparation method and application thereof |
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