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Environment-friendly composite building material based on ceramic waste and preparation method thereof

A technology for composite building materials and ceramic wastes, applied in the field of environment-friendly composite building materials and their preparation, can solve the problems of high production energy consumption, poor deformation ability, low tensile strength, etc., so as to improve recycling and avoid fiber knots. The effect of reducing the amount of cement

Inactive Publication Date: 2020-02-14
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the material has low tensile strength, poor deformation ability, and high energy consumption for production.

Method used

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  • Environment-friendly composite building material based on ceramic waste and preparation method thereof
  • Environment-friendly composite building material based on ceramic waste and preparation method thereof
  • Environment-friendly composite building material based on ceramic waste and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] An environment-friendly composite building material based on ceramic waste. Calculated by mass percentage, the composition and mass percentage of raw materials in the composite material are: cement: 17.58%; mineral powder: 0%; pottery powder: 0%; quartz sand: 19.34% ; Pottery sand: 0%; water: 20.51%; water reducer: 0.11%; thickener: 0.03%; PVA fiber: 1.41%, the rest is fly ash.

[0048] The above-mentioned preparation method of an environment-friendly composite building material based on ceramic waste, the steps are as follows:

[0049] (1) take raw material by above-mentioned mass ratio;

[0050] (2) Mix cement, fly ash, quartz sand and thickener into the mixer, dry mix at low speed for 2-3 minutes;

[0051] (3) Fully mix the weighed water reducer and water, pour it into the mixer, and stir for 3-4 minutes at low speed;

[0052] (4) Slowly add PVA fiber into the mixer, stir for 2-3 minutes at low speed, and then stir for 1-2 minutes at high speed; the environment-fri...

Embodiment 2

[0058] An environment-friendly composite building material based on ceramic waste, calculated by mass percentage, the composition and mass percentage of raw materials in the composite material are:

[0059] Cement: 17.57%; mineral powder: 0%; pottery powder: 20.50%; quartz sand: 19.33%; pottery sand: 0%; water: 20.50%; water reducing agent: 0.15%; : 1.41%, the rest is fly ash.

[0060] Other implementation content and steps are the same as embodiment 1.

[0061] Table 2 shows the mechanical test results of the test piece obtained in this embodiment. The test piece is cured in a standard way, and the curing period is 28 days.

[0062] Table 2: The mechanical performance test results of the specimens obtained in Example 2

[0063]

Embodiment 3

[0065] An environment-friendly composite building material based on ceramic waste, calculated by mass percentage, the composition and mass percentage of raw materials in the composite material are:

[0066] Cement: 17.57%; fly ash: 0%; mineral powder: 0%; pottery powder: 40.98%; quartz sand: 19.32%; pottery sand: 0%;

[0067] Water: 20.49%; water reducer: 0.20%; thickener: 0.03%; PVA fiber: 1.41%.

[0068] Other implementation content and steps are the same as embodiment 1.

[0069] The mechanical test results of the specimens obtained in this embodiment are shown in Table 3. The specimens were cured in a standard manner, and the curing age was 28 days.

[0070] Table 3: The mechanical performance test results of the specimens obtained in Example 3

[0071]

[0072]

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Abstract

The invention discloses an environment-friendly composite building material based on ceramic waste and a preparation method of the environment-friendly composite building material. The composite building material comprises the following raw materials in percentage by mass: 17.57-24.60% of cement; 0 to 43.01% of fly ash; 0 to 20.64% of mineral powder; 0 to 40.98% of ceramic powder; 0 to 20.28%of quartz sand; 0 to 19.34% of pottery sand; 16.59 to 21.52% of water; 0.07 to 0.21% of a water reducing agent; 0 to 0.03% of a thickening agent; and 1.41-1.48% of PVA fiber, and the content of the ceramicpowder and the content of the pottery sand are not 0 at the same time. The raw materials are convenient to obtain, the preparation method is simple, excellent tensile and compressive properties are achieved, the problems that ceramic waste materials occupy land when stacked, the ecological environment is damaged and the treatment and utilization degree is low are solved, and outstanding technical, economic and environment-friendly benefits are achieved.

Description

technical field [0001] The invention belongs to the fields of resource utilization, environmental protection and building materials, and in particular relates to an environment-friendly composite building material based on ceramic waste and a preparation method thereof. Background technique [0002] Traditional concrete materials with cement as the main cementing material have the advantages of high compressive strength, easy construction and good durability, and are widely used in the field of construction engineering. However, the material has low tensile strength, poor deformability, and high energy consumption for production. In recent years, with the deepening of the concept of sustainable development, the industry's demand for environmentally friendly building materials with high ductility and low energy consumption has become increasingly strong. [0003] my country is a large country of ceramics production. The annual output and export volume of ceramics both rank f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04
CPCC04B28/04C04B2111/00017C04B2201/50C04B18/08C04B18/141C04B18/165C04B14/06C04B18/021C04B2103/302C04B2103/44C04B16/0641
Inventor 熊焱吴迪房帅唐英丰吴波肖大威
Owner SOUTH CHINA UNIV OF TECH
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