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A kind of lightweight high-strength geopolymer material and preparation method thereof

A geopolymer and high-strength technology, applied in the field of geopolymer and its preparation, can solve the problems of bridge uneven settlement, large shrinkage, cracks, etc., to alleviate the shortage of per capita resources, wide application range, and simple operation steps Effect

Active Publication Date: 2022-07-22
SHANGHAI LIYANG ROAD REINFORCEMENT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Light weight, high strength, and good durability are the development direction of most building materials. Some buildings, road structures, and long-span bridges cause uneven settlement of roadbeds, road surfaces, and bridges due to their weight, which leads to cracks; light weight Geopolymer is a new type of energy-saving and environmentally friendly material. It has the characteristics of light weight, but it has defects such as low strength, poor toughness, poor integrity, and large shrinkage.

Method used

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  • A kind of lightweight high-strength geopolymer material and preparation method thereof
  • A kind of lightweight high-strength geopolymer material and preparation method thereof
  • A kind of lightweight high-strength geopolymer material and preparation method thereof

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preparation example Construction

[0035] The present invention also provides a method for preparing the above-mentioned lightweight and high-strength geopolymer material, comprising the following steps:

[0036](1) Mix 20-60 parts of finely ground coal gangue powder, 5-30 parts of regenerated finely ground powder, 5-25 parts of ultrafine metakaolin, 2.5-8 parts of silica fume, 2-15 parts of high-strength gypsum powder, 5-15 parts of 0.1-2 parts of concrete expansion agent, 0.1-2 parts of basalt fiber, 0.1-1.5 parts of steel fiber, 0.01-1 part of defoamer, 0.4-1 part of water reducer, put into the mortar mixer, at the speed of 300-500r / min , stirring for 3-5min until uniform to obtain a dry blend of geopolymers.

[0037] (2) First weigh 1 / 4 of the total mixing water consumption (the water temperature is 20-30°C) and add it to a 500ml or 1000ml plastic beaker, then foam 0.1-5 parts of carboxylated styrene-butadiene latex and 0.1-2 parts of the combination. Add the carboxylated styrene-butadiene latex and the co...

Embodiment 1

[0043] This embodiment provides a light-weight and high-strength geopolymer material, which includes, in parts by weight: 41.4 parts of ground coal gangue powder, 5 parts of regenerated ground fine powder, 20 parts of ultra-fine metakaolin, 2.5 parts of silica fume, 5 parts of High-strength gypsum powder, 5 parts of concrete expansion agent, 0.2 part of basalt fiber, 0.1 part of steel fiber, 0.1 part of defoamer, 0.5 part of polycarboxylate water reducing agent, 0.1 part of carboxylated styrene-butadiene latex, 0.1 part of combined foaming agent, 15 parts sodium water glass and 5 parts sodium hydroxide, etc.

[0044] The present embodiment provides a lightweight and high-strength geopolymer material, and the preparation method includes the following steps:

[0045] (1) 41.4 parts of finely ground coal gangue powder, 5 parts of regenerated finely ground powder, 20 parts of ultra-fine metakaolin, 2.5 parts of silica fume, 5 parts of high-strength gypsum powder, 5 parts of concre...

Embodiment 2

[0051] This embodiment provides a light-weight and high-strength geopolymer material, which includes, in parts by weight: 37.4 parts of ground coal gangue powder, 15 parts of regenerated ground fine powder, 10 parts of ultra-fine metakaolin, 2.5 parts of silica fume, 5 parts of High-strength gypsum powder, 7 parts of concrete expansion agent, 0.3 part of basalt fiber, 0.2 part of steel fiber, 0.1 part of defoamer, 0.5 part of polycarboxylate water reducer, 1.2 part of carboxylated styrene-butadiene latex, 0.8 part of combined foaming agent, 15 part of parts sodium water glass and 5 parts sodium hydroxide, etc.

[0052] The present embodiment provides a lightweight and high-strength geopolymer material, and the preparation method includes the following steps:

[0053] (1) 37.4 parts of finely ground coal gangue powder, 15 parts of regenerated finely ground powder, 10 parts of ultra-fine metakaolin, 2.5 parts of silica fume, 5 parts of high-strength gypsum powder, 7 parts of con...

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Abstract

The invention discloses a lightweight and high-strength geopolymer material and a preparation method thereof. The geopolymer material comprises the following components: ground coal gangue powder, regenerated ground fine powder, ultra-fine metakaolin, silica fume, high-strength Gypsum powder, concrete expansion agent, basalt fiber, steel fiber, water glass, caustic, carboxylated styrene-butadiene latex, combined foaming agent, defoamer and water reducing agent. The light-weight and high-strength geopolymer material provided by the invention effectively utilizes industrial waste residue and old construction waste; not only has the characteristics of light weight, high strength, good toughness, etc., but also has sound absorption, sound insulation, noise reduction, anti-settling, etc. The utility model has the advantages of high performance and wide application range; the preparation method of the light-weight and high-strength geopolymer material provided by the invention has simple operation steps and does not require high-temperature molding and maintenance.

Description

technical field [0001] The present invention relates to a geopolymer and a preparation method thereof, in particular to a lightweight and high-strength geopolymer material and a preparation method thereof. Background technique [0002] Coal gangue is one of the largest solid wastes discharged in my country. The problems of causing environmental pollution and occupying a large amount of land need to be solved urgently; the demolition of old buildings produces a large amount of waste concrete, bricks, mortar, glass, porcelain blocks and other inorganic wastes. Metal waste, and rational recycling of them is in line with the national policy of sustainable development. [0003] Light weight, high strength, and good durability are the development directions of most building materials. Some buildings, road structures, and long-span bridges cause uneven settlement of roadbeds, road surfaces, and bridges due to their weight, which in turn leads to cracks. Geopolymer is a new type of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B38/10C04B28/00C04B111/40C04B111/52
CPCC04B28/006C04B2111/40C04B2111/52C04B2201/20C04B2201/32C04B2201/50C04B18/12C04B18/167C04B14/4643C04B14/48C04B24/26C04B24/14C04B24/16C04B24/38C04B22/143C04B2103/302C04B2103/50C04B2103/0068C04B38/10C04B38/0067Y02P40/10
Inventor 季晓丽郝庆凯李熙
Owner SHANGHAI LIYANG ROAD REINFORCEMENT TECH