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Nanometer foam glass bead concrete capable of being used for door plate and preparation method of nanometer foam glass bead concrete

A technology of glass microbeads and nano-foam, which is applied in the field of concrete, can solve the problems of restricting the application of foam concrete and the decrease of strength, achieve good mechanical strength effects, reduce shrinkage and warping, and reduce the effect of foam breaking

Active Publication Date: 2022-04-19
UNIVERSITY OF MACAU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When the density of the foamed concrete in the prior art is low, although it can achieve a lightweight effect, the strength will decrease, which greatly limits the application of the foamed concrete

Method used

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  • Nanometer foam glass bead concrete capable of being used for door plate and preparation method of nanometer foam glass bead concrete
  • Nanometer foam glass bead concrete capable of being used for door plate and preparation method of nanometer foam glass bead concrete

Examples

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Effect test

Embodiment 1-8

[0046] Embodiment 1-8: the preparation of nano-foam glass bead concrete

[0047] Table 1 shows the raw material components and amounts thereof used to prepare the nano-foam glass bead concrete of Examples 1-8.

[0048] Table 1

[0049]

[0050]

[0051] The preparation method of embodiment 1-8 nano-foam glass bead concrete, comprises the following steps:

[0052] (1) Pour Portland cement into the mixing pot and stir slightly (stirring speed is 50 rpm), then add water and stir to mix (the process of stirring and mixing is divided into two stages, the first stage is at 50 rpm Stirring at a high speed for 30s, the second stage is stirring at a speed of 140 rpm for 1 minute), then adding polyvinyl alcohol fibers, then adding glass microspheres (the particle size of the glass microspheres is 60-65μm), and the glass The microbeads were added in 10 times, and the quality of the glass microbeads added in the first 9 times was 1 / 2 of the remaining glass microspheres, and stirre...

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Abstract

The invention belongs to the technical field of concrete, and discloses nano foam glass bead concrete capable of being used for a door plate and a preparation method of the nano foam glass bead concrete. The nano-foam glass bead concrete is prepared from the following components: an admixture, nano-foam, a cementing material and water, the admixture comprises polyvinyl alcohol fibers and glass beads. The density of the nano-foam glass bead concrete can be obviously lower than 1000 kg / m < 3 > of foam concrete in the prior art, even as low as 700 kg / m < 3 >, and when the density of the nano-foam glass bead concrete is as low as 700 kg / m < 3 >, the compressive strength of the nano-foam glass bead concrete in 7 days can still reach 4.0 MPa and is far higher than the compressive strength of other foam concrete in the market. In addition, the nano foam glass bead concrete also has good fireproof, heat-insulating and sound-insulating effects.

Description

technical field [0001] The invention belongs to the technical field of concrete, and in particular relates to a nano foam glass bead concrete which can be used for a door panel and a preparation method thereof. Background technique [0002] Foam concrete is made by mechanically foaming the foaming agent to obtain foam, and then adding the foam into the cement-based cementitious material, mixing evenly, pouring and molding, and finally curing to form a microporous lightweight material. The outstanding advantage of foam concrete is that the foam holes formed in the concrete make the high-density cement concrete lightweight and functional, thus endowing the concrete with various functions such as light weight, heat preservation, heat insulation, sound insulation, fire prevention, and corrosion resistance. , thus opening up a special field of application for concrete. [0003] As a new type of inorganic fireproof and thermal insulation material, foam concrete generally has defe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B38/10C04B38/08E06B3/70C04B111/28C04B111/52
CPCC04B28/04E06B3/70C04B38/106C04B38/085C04B2111/28C04B2111/52C04B22/002C04B24/24C04B16/0641C04B14/22C04B38/0061C04B38/0067Y02W30/91
Inventor 孙国星梁瑞武小江汤子康李宗津
Owner UNIVERSITY OF MACAU
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