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High-volume slag self-leveling mortar

A technology of self-leveling mortar with high content, which is applied in the field of building materials to achieve the effect of improving later strength, increasing strength and stabilizing durability

Inactive Publication Date: 2011-09-07
WUHAN IRON & STEEL (GROUP) CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the research system is not a real self-leveling mortar. According to the above-mentioned dosage, the slag powder accounts for less than 5% of the total system

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The high-volume slag self-leveling mortar in this implementation is calculated by weight percentage, and its composition is: the grade 42.5 ordinary Portland cement 18%, the grade CA50 aluminate cement 12%, anhydrite 6.3%, and the specific surface area 350m 2 / kg slag powder 20%, particle size 0.15mm slag sand 41%, superplasticizer 0.2%, DB-1 retarder 0.3%, water retaining agent 0.15%, defoamer 0.05%, latex powder 2%.

Embodiment 2

[0023] The high-volume slag self-leveling mortar in this implementation is calculated by weight percentage, and its composition is: 12% of grade 42.5 ordinary portland cement, 8% of grade CA50 aluminate cement, 5% of anhydrite, specific surface area 500m 2 / kg slag powder 32%, particle size 0.60mm slag sand 40.5%, superplasticizer 0.2%, HN-1 retarder 0.15%, water retaining agent 0.15%, defoamer 0.05%, latex powder 2%.

Embodiment 3

[0025] The high-volume slag self-leveling mortar in this implementation is calculated by weight percentage, and its composition is: 25% of grade 42.5 ordinary Portland cement, 15% of grade CA50 aluminate cement, 6.5% of anhydrite, specific surface area 350m 2 / kg slag powder 20%, particle size 0.15mm slag sand 30%, superplasticizer 0.3%, retarder 0.3%, water retaining agent 0.15%, defoamer 0.05%, latex powder 2.7%.

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Abstract

The invention discloses a high-volume slag self-leveling mortar and belongs to the field of building materials. The high-volume slag self-leveling mortar comprises the following ingredients in percentage by weight: 10 to 25 percent of ordinary Portland cement, 5 to 16 percent of aluminate cement, 4 to 7 percent of gypsum, 10 to 32 percent of slag miropowders, 30 to 42 percent of slag sand, 0.1 to 0.3 percent of high-efficiency water-reducing agent, 0.15 to 0.3 percent of setting retarder, 0.1 to 0.2 percent of water-retaining agent, 0 to 0.05 percent of defoaming agent and 1 to 3 percent of latex powders. Instead of river sand or artificial quartz sand and heavy calcium carbonate powders, slag miropowders and slag sand are widely used in self-leveling mortar, so as to improve the performance of self-leveling mortar, reduce the cost of self-leveling mortar products and reduce the slag accumulation and environmental pollution.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to a ground self-leveling material. Background technique [0002] In order to adapt to the people's modern lifestyle and the continuous improvement of the quality of life, various public and public places have continuously improved the requirements for the leveling, decoration, cleanliness, safety and function of the ground, thus promoting the development of ground materials and giving birth to new ground materials. appear. On the other hand, with the continuous improvement of modern industry's requirements for the production environment, more stringent requirements are put forward for industrial floors, making the ground a non-negligible and must be highly valued and requires a certain investment of funds and technology for construction, renovation and maintenance. Repaired production hardware. Self-leveling mortar is a ground material that is composed of inorganic o...

Claims

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Application Information

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IPC IPC(8): C04B28/14C04B18/14
CPCC04B28/06C04B28/04C04B28/146Y02W30/91C04B7/02C04B7/32C04B18/141C04B20/0096C04B24/26C04B2103/24C04B2103/302C04B2103/46C04B2103/50C04B22/143
Inventor 吴江红杨新亚汪晖李超甘万贵李灿华
Owner WUHAN IRON & STEEL (GROUP) CORP
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