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A high-quality mortar for building facades
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A high-quality, building technology, applied in the field of high-quality mortar, can solve the problem of high cost, achieve the effect of improving compactness, improving frost resistance, and reducing temperature cracks
Active Publication Date: 2020-11-27
安徽百维新材料有限公司
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Problems solved by technology
[0003] Nowadays, a large amount of mortar materials are needed in construction, but the mortar used in the facade needs to have good cold resistance. In order to improve the overall performance, it is often necessary to add various additives such as water reducing agents and binders, and the cost is relatively high.
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Embodiment 1
[0023] A high-quality mortar for building facades, made from the following raw materials by weight:
[0024] 210 parts of cement, 1450 parts of river sand, 38 parts of fly ash, 310 parts of water, and 12 parts of basaltfiber.
[0025] The fly ash was processed using the following methods:
[0026] (1) Take the fly ash, remove the impurities in the fly ash, soak the removed fly ash in distilled water for 2-3 days, and then filter;
[0027] (2) Bake the fly ash processed in step (1) at 100°C for 1 hour in an oven;
[0028] (3) Mix expanded graphite with 3 times its weight in deionized water, use ultrasonic treatment for 30 minutes, then add 0.03% potassium trimethylsiliconate by mass to the expanded graphite dispersion, continue ultrasonic treatment for 1-2 hours, statically Place and process for 1 hour, then perform suction filtration, wash, and dry to constant weight to obtain modified expanded graphite;
[0029] (4) Mix and stir the fly ash prepared in step (2) with dimet...
Embodiment 2
[0034] A high-quality mortar for building facades, made from the following raw materials by weight:
[0035] 210 parts of cement, 1450 parts of river sand, 38 parts of fly ash, 310 parts of water, and 12 parts of basaltfiber.
[0036] The fly ash is processed using the following methods:
[0037] (1) Take the fly ash, remove the impurities in the fly ash, soak the removed fly ash in distilled water for 2-3 days, and then filter;
[0038] (2) Bake the fly ash processed in step (1) in an oven at 100-120°C for 1 hour;
[0039] (3) Mix expanded graphite with 2.5 times its weight in deionized water, use ultrasonic treatment for 30 minutes, then add 0.03% potassium trimethylsiliconate by mass to the expanded graphite dispersion, continue ultrasonic treatment for 2 hours, and let it stand for treatment 1 hour, then carry out suction filtration, wash, dry to constant weight, obtain modified expanded graphite;
[0040] (4) Mix and stir the fly ash prepared in step (2) with dimethyl...
Embodiment 3
[0045] Compared with Example 1, the fly ash does not undergo the modification treatment in this application after baking.
[0046] In order to verify the effect of the addition of fly ash on the performance of mortar in this application, the following control experiments are set up in this application to verify the effect of fly ash treatment in this application.
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Abstract
The invention relates to quality mortar for an outer wall of a building. The quality mortar for the outer wall of the building is prepared from the following raw materials in parts by weight: 200-220parts of cement, 1400-1500 parts of river sand, 30-45 parts of coal ash, 300-320 parts of water and 10-15 parts of basalt fibers. According to the quality mortar for the outer wall of the building, the coal ash is processed and modified, and the activity of the coal ash is improved, the hydration speed of the coal ash is increased, so that the strength developing speed of the mortar added with thecoal ash is increased, and the mortar maintaining time is reduced; and meanwhile, pores inside the mortar are filled, so that the frost resistance of the mortar is improved, and the mortar cost is obviously decreased.
Description
technical field [0001] The invention belongs to the field of environment-friendly building materials, and in particular relates to a high-quality mortar used for building exterior walls. Background technique [0002] Fly ash is the fine ash collected from the flue gas after coal combustion. Fly ash is the main solid waste discharged from coal-fired power plants. The main oxide composition of fly ash in thermal power plants in my country is: SiO2, Al2O3, FeO, Fe2O3, CaO, TiO2, etc. With the development of the power industry, the discharge of fly ash from coal-fired power plants has increased year by year, becoming one of the largest industrial wastes in my country. If a large amount of fly ash is not treated, it will generate dust and pollute the atmosphere; if it is discharged into the water system, it will cause river silting, and the toxic chemicals in it will also cause harm to human beings and organisms. However, fly ash can be used as a resource, such as as an admixtu...
Claims
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Application Information
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