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Steel fiber/fly ash/red mud water-permeable brick and preparation method thereof

A steel fiber and permeable brick technology is applied in the field of infrastructure materials to achieve the effects of improving living conditions, good water permeability and alleviating the urban heat island effect

Inactive Publication Date: 2015-12-23
ZHENGZHOU UNIVERSITY OF AERONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The process is simple and easy to operate

Method used

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  • Steel fiber/fly ash/red mud water-permeable brick and preparation method thereof
  • Steel fiber/fly ash/red mud water-permeable brick and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A preparation method of steel fiber fly ash red mud permeable brick: obtained by the following steps:

[0024] (1) Raw material mixing: Weigh the following raw materials by weight: steel fiber: 50-70, red mud 15-20, fly ash 20-30, brick slag particles 30-40; the steel fiber length is 30-40mm , with a diameter of 0.3-0.4mm; the brick slag is made of ordinary brick slag with a particle size of 5-8mm; these raw materials are mixed with water, and the moisture content is controlled at 15-25%;

[0025] (2) Forming: Input the mixed raw materials into the brick making machine to form the adobe;

[0026] (3) Conservation: Natural conservation, the ambient temperature is 5-35°C, and the conservation time is 3-5 days;

[0027] (4) Firing: firing, put the bricks into the kiln, increase the temperature of the furnace to 1000-1200°C at a heating rate of 350-400°C / h, keep it warm for 1-2 hours, and then naturally cool to room temperature to obtain Permeable bricks.

[0028] its si...

Embodiment 2

[0030] A preparation method of steel fiber fly ash red mud permeable brick: obtained by the following steps:

[0031] (1) Raw material mixing: Weigh the following raw materials by weight: steel fiber: 60, red mud 18, fly ash 25, brick slag particles 35; the steel fiber length is 35mm, and the diameter is 0.3mm; brick slag is made of ordinary bricks Slag, the particle size is 5-8mm; these raw materials are mixed with water, and the moisture content is controlled at 15-25%;

[0032] (2) Forming: Input the mixed raw materials into the brick making machine to form the adobe;

[0033] (3) Conservation: Natural conservation, the ambient temperature is 5-35°C, and the conservation time is 3-5 days;

[0034] (4) Firing: firing, put the bricks into the kiln, increase the temperature of the furnace to 1000-1200°C at a heating rate of 350-400°C / h, keep it warm for 1-2 hours, and then naturally cool to room temperature to obtain Permeable bricks.

Embodiment 3

[0036] A preparation method of steel fiber fly ash red mud permeable brick: obtained by the following steps:

[0037] (1) Raw material mixing: Weigh the following raw materials by weight: steel fiber: 70, red mud 20, fly ash 30, brick slag particles 40; the steel fiber length is 30-40mm, and the diameter is 0.3-0.4mm; The brick slag is made of ordinary brick slag with a particle size of 5-8mm; these raw materials are mixed with water, and the moisture content is controlled at 15-25%;

[0038] (2) Forming: Input the mixed raw materials into the brick making machine to form the adobe;

[0039] (3) Conservation: Natural conservation, the ambient temperature is 35°C, and the conservation time is 3 days;

[0040] (4) Firing: firing, put the bricks into the kiln, increase the temperature of the furnace to 1000-1200°C at a heating rate of 350-400°C / h, keep it warm for 1-2 hours, and then naturally cool to room temperature to obtain Permeable bricks.

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Abstract

The invention discloses a steel fiber / fly ash / red mud water-permeable brick and a preparation method thereof. The steel fiber / fly ash / red mud water-permeable brick is prepared from the following raw materials in parts by weight: 50-70 parts of steel fiber, 15-20 parts of red mud, 20-30 parts of fly ash and 30-40 brick slag particle. The invention also discloses a preparation method of the water-permeable brick. The steel fiber, brick slag particle, fly ash and red mud used as the raw materials are mixed to prepare the water-permeable brick. The brick slag and fly ash are recovered wastes, the red mud is the recovered low-cost raw material, and the cost of the steel fiber is not high; and thus, the low-cost raw materials are utilized to recycle the wastes. The raw materials are sintered at sintering temperature to obtain the high-strength high-water-permeability high-wear-resistance water-permeable brick.

Description

technical field [0001] The invention belongs to infrastructure construction materials, and in particular relates to a permeable brick capable of solving urban ground surface hardening and simultaneously having high strength and high wear resistance, and also relates to a preparation method of the permeable brick. Background technique [0002] Ordinary floor tiles laid on the surface of the city will harden the surface after draining the rainwater due to long-term lack of moisture, and more serious excessive length will cause continuous ground subsidence. Therefore, it is necessary to use permeable bricks to solve this difficult problem. [0003] Commonly used ordinary permeable bricks: porous concrete materials made of ordinary crushed stones are pressed and formed, and are used for sidewalks and squares in general blocks. They are general paving products. It has low strength and poor wear resistance, resulting in a low service life. [0004] There is also a kind of polyme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B14/48
Inventor 刘洪波刘洁宋薇
Owner ZHENGZHOU UNIVERSITY OF AERONAUTICS
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