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Construction engineering mud brick and manufacturing method thereof

A technology of construction engineering and mud, which is applied in the direction of sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of inability to produce economic benefits and high treatment costs, and improve the bonding strength of organic-inorganic phase interface and improve Effect of surface roughness, good strength and corrosion resistance

Pending Publication Date: 2021-01-05
江西省建工集团有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned processing costs are relatively high and cannot produce economic benefits

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Weigh the following raw materials in parts by weight: 60 parts of mud, 5 parts of rubber powder, 2 parts of mica powder, 3 parts of mine tailings, 2 parts of modified composite fiber, 4 parts of modifier, and 1 part of sulfonated lignin.

[0034] Modified composite fibers include carbon fibers, glass fibers, polyvinyl alcohol fibers, and aluminum silicate fibers with a mass ratio of 2:2:1:1. Modification methods include:

[0035] (1) Add 1 g of composite fiber into 100 mL of sulfuric acid solution with a mass concentration of 20%, heat to 80°C, treat for 2 hours, wash until neutral, and take out the composite fiber;

[0036] (2) Mix the above-mentioned treated composite fiber with 100 mL of absolute ethanol, and ultrasonically disperse to obtain a composite fiber suspension;

[0037] (3) Add 6mL of 0.2mol / L titanium sulfate solution and 2mL of ammonia water with a mass fraction of 20-25% to the composite fiber suspension until the addition is completed, and finally add ...

Embodiment 2

[0048] Weigh the following raw materials in parts by weight: 63 parts of mud, 6 parts of rubber powder, 3 parts of mica powder, 4 parts of mine tailings, 3 parts of modified composite fiber, 5 parts of modifier, and 1.5 parts of sulfonated lignin.

[0049] Modified composite fibers include carbon fibers, glass fibers, polyvinyl alcohol fibers, and aluminum silicate fibers with a mass ratio of 2:2:1:1. Modification methods include:

[0050] (1) Add 1 g of composite fibers into 100 mL of sulfuric acid solution with a mass concentration of 25%, heat to 85° C., treat for 2.5 hours, and wash until neutral to obtain composite fibers;

[0051] (2) Mix the treated composite fiber with 100mL of absolute ethanol, and ultrasonically disperse to obtain a composite fiber suspension;

[0052] (3) Add 7mL of 0.2mol / L titanium sulfate solution and 2.2mL of ammonia water with a mass fraction of 20-25% to the composite fiber suspension until the addition is complete, and finally add 0.1% of the...

Embodiment 3

[0063] Weigh the following raw materials in parts by weight: 66 parts of mud, 7 parts of rubber powder, 4 parts of mica powder, 5 parts of mine tailings, 3.5 parts of modified composite fiber, 6 parts of modifier, and 2 parts of sulfonated lignin.

[0064] Modified composite fibers include carbon fibers, glass fibers, polyvinyl alcohol fibers, and aluminum silicate fibers with a mass ratio of 2:2:1:1. Modification methods include:

[0065] (1) Add 1 g of composite fibers into 100 mL of sulfuric acid solution with a mass concentration of 30%, heat to 90° C., treat for 3 hours, and wash until neutral to obtain composite fibers;

[0066] (2) Mix the treated composite fiber with 100mL of absolute ethanol, and ultrasonically disperse to obtain a composite fiber suspension;

[0067] (3) Add 8 mL of 0.25 mol / L titanium sulfate solution and 2.5 mL of ammonia water with a mass fraction of 23% to the composite fiber suspension until the addition is complete, and finally add dodecylbenze...

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Abstract

The invention discloses a construction engineering mud brick and a manufacturing method thereof, and relates to the technical field of building bricks, the construction engineering mud brick comprisesthe following raw materials by weight: 60-72 parts of mud, 5-10 parts of rubber powder, 2-6 parts of mica powder, 3-7 parts of mine tailings, 2-5 parts of modified composite fiber, 4-8 parts of a modifier, and 1-3 parts of sulfonated lignin. The preparation method comprises the following steps: collecting slurry and dehydrating; adding mica powder, mine tailings and a modifier into the slurry toobtain a mixture A; mixing the modified composite fiber, rubber powder and sulfonated lignin to obtain a mixture B; mixing the mixture A and the mixture B; and paving a glass fiber net on the surfaceof the green brick by using film coating equipment, and maintaining. The mud brick has the beneficial effects that mud is recycled, resources are saved, damage to the environment is reduced, economicbenefits are generated, and the prepared mud brick has good pressure-resistant and fracture-resistant effects and has corrosion resistance.

Description

technical field [0001] The invention relates to the technical field of building bricks, in particular to a construction engineering mud brick and a manufacturing method thereof. Background technique [0002] In recent years, with the continuous heating up of urban construction, geotechnical engineering construction (such as survey drilling, cast-in-situ pile and underground diaphragm wall construction, shield construction, anchor engineering, hydrological well, water-stop curtain, trenchless construction, etc.) According to official data, the city produces about 3 million tons of engineering mud every year, and the actual data may far exceed this amount. A large amount of waste mud generated during project construction deteriorates the construction environment, increases construction difficulty, and affects construction progress; on the one hand, diluted discharge may cause blockage of sewage pipes, and at the same time, long-term accumulation of waste mud seeps into the gro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B30/02C04B18/12C04B18/04C04B20/10
CPCC04B18/0418C04B18/12C04B20/1066C04B30/02C04B2201/50C04B16/04C04B14/20C04B14/386C04B14/42C04B16/0641C04B14/4656C04B24/18Y02W30/91
Inventor 曾军毛冲许蓓蔡民姚丹钱磊胡最文赖兴珍
Owner 江西省建工集团有限责任公司
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