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High-performance corrosion-resistant dry-mixed waterproof mortar

A waterproof mortar and corrosion-resistant technology, applied in the field of mortar, can solve problems such as inconvenience of use and self-coagulation, and achieve the effect of increasing the density, reducing the water-binder ratio, and reducing the amount of cement

Active Publication Date: 2015-03-04
潍坊德霖建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this mortar is in the form of emulsion, which is prone to self-coagulation and is inconvenient to use

Method used

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  • High-performance corrosion-resistant dry-mixed waterproof mortar
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A high-performance corrosion-resistant dry-mixed waterproof mortar is prepared from the following raw materials in parts by weight:

[0040] 60 parts of cement, 35 parts of mineral powder, 10 parts of fly ash, 300 parts of recycled fine aggregate, 5 parts of compound admixture;

[0041] The compound admixture is prepared from the following raw materials in parts by weight: 40 parts of fly ash, 5 parts of water repellent, 40 parts of expansion agent, 2 parts of air-entraining water reducer, 2 parts of anti-crack short fiber, water retention Thickener 2 parts.

[0042] Among the above raw materials, the C3A content of the cement is less than 7%, and the composition is as follows:

[0043]

[0044] The fly ash is Class I fly ash, the 45 micron sieve is not more than 12%, and the loss on ignition is not more than 5%. The ore powder is S95 grade steel slag fine powder, and the 45 micron sieve is not more than 1%. Recycled fine aggregate refers to the fine aggregate obt...

Embodiment 2

[0046] A high-performance corrosion-resistant dry-mixed waterproof mortar is prepared from the following raw materials:

[0047] 70 parts of cement, 45 parts of mineral powder, 30 parts of fly ash, 500 parts of recycled fine aggregate, and 10 parts of compound admixture;

[0048] The compound admixture is prepared from the following raw materials in parts by weight: 60 parts of fly ash, 7 parts of water-repellent agent, 50 parts of expansion agent, 5 parts of air-entraining water reducer, 4 parts of anti-crack short fiber, water-retaining 10 parts of thickener.

[0049] Among the above raw materials, the fly ash is Class I fly ash. The ore powder is S95 steel slag powder. Recycled fine aggregate refers to the fine aggregate obtained after waste concrete is separated, crushed, shaped, and screened. The water-repellent agent adopts silicone-based water-repellent agent. The expansion agent adopts UEA expansion agent. The air-entraining superplasticizer adopts high-performanc...

Embodiment 3

[0051] A high-performance corrosion-resistant dry-mixed waterproof mortar is prepared from the following raw materials in parts by weight:

[0052] 65 parts of cement, 40 parts of mineral powder, 20 parts of fly ash, 400 parts of recycled fine aggregate, 8 parts of compound admixture;

[0053]The compound admixture is prepared from the following raw materials in parts by weight: 50 parts of fly ash, 6 parts of water-repellent agent, 45 parts of expansion agent, 4 parts of air-entraining water-reducing agent, 3 parts of crack-resistant short fiber, water-retaining Thickener 6 parts.

[0054] Among the above raw materials, the fly ash is Class I fly ash, the 45 micron sieve residue is not more than 12%, and the loss on ignition is not more than 5%. The ore powder is S95 grade steel slag fine powder, and the sieve residue of 45 microns is not more than 1%. The regenerated fine aggregate refers to the fine aggregate obtained after separation, crushing, shaping and screening of w...

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Abstract

The invention discloses high-performance corrosion-resistant dry-mixed waterproof mortar. The high-performance corrosion-resistant dry-mixed waterproof mortar is prepared from the following raw materials in parts by weight: 60-70 parts of cement, 35-45 parts of mineral powder, 10-30 parts of coal ash, 300-500 parts of regenerated fine aggregates and 5-10 parts of a compounded additive, wherein the compounded additive is prepared from the following raw materials in parts by weight: 40-60 parts of coal ash, 5-7 parts of a water repellent, 40-50 parts of an expanding agent, 2-5 parts of an air-entraining and water-reducing agent, 2-4 parts of anti-crack short fiber and 2-10 parts of a water-retaining thickening agent. By virtue of a dry-mixing form, the high-performance corrosion-resistant dry-mixed waterproof mortar is convenient to use, and the sulfate corrosion can be effectively prevented.

Description

technical field [0001] The invention relates to the technical field of mortar, in particular to a high-performance corrosion-resistant dry-mixed waterproof mortar. Background technique [0002] At present, with the rapid economic development and the continuous expansion of urban construction scale, there are more and more infrastructure construction and various industrial buildings, and the construction environment is becoming more and more complex. Especially ports, bridges, and various civil and industrial buildings located in coastal areas are eroded by saline-alkali chemicals, resulting in a greatly reduced safe lifespan. How to greatly extend the life of the building without increasing the construction process during the construction process will have huge economic and social benefits. [0003] In order to reduce the environmental pollution caused by urban construction, the state has clearly requested that in the process of building construction, it is forbidden to fee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B16/06C04B18/12
CPCY02W30/91
Inventor 李涛高翔鹏
Owner 潍坊德霖建材科技有限公司
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