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A preparation method of light-transmitting concrete and light-transmitting concrete

A light-transmitting concrete and gelling technology, which is applied in the field of concrete, can solve problems that affect the overall strength and service life of concrete, easily generate cracks, and poor bonding, and achieve improved self-compacting, bonding, and compressive strength Good results

Active Publication Date: 2022-02-11
绵竹市铸诚混凝土有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the inventors have found that the main raw material of acrylic rods is polymethyl methacrylate, which is easy to burn and has poor fire resistance. Once a fire breaks out in a building, there is a great potential safety hazard; and the surface of the acrylic rod is smooth, The bond between the acrylic rod and the concrete is poor, and cracks are easy to occur between the acrylic rod and the concrete, which affects the overall strength and service life of the concrete

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] A method for preparing light-transmitting concrete, comprising the following steps:

[0045] Step 1, prepare light-transmitting spherical particles: Melt 4kg of waste acrylic rods, add 1kg of polytetrafluoroethylene micropowder and 3kg of zinc borate and mix evenly, keep warm for 1.5h, inject into spherical molds, add 0.5 g and mix evenly, after being completely solidified, take out and make light-transmitting spherical particles;

[0046] Step 2, preparing modified light-transmitting spherical particles, including the following steps:

[0047] Step 1, put the light-transmitting spherical particles in a sodium hydroxide solution with a concentration of 6%, heat it to 55°C, stir for 5 minutes, then wash the lye attached to the surface of the light-transmitting spherical particles with water, and place it at a temperature of 70°C Dry the moisture in a constant temperature drying box to obtain a semi-finished product;

[0048] Step 2. Spray gelling powder on the surface of...

Embodiment 2

[0053] The difference from Example 1 is that in Step 3, 100 kg of cement, 40 kg of water, 100 kg of fine sand, 10 kg of fly ash, and 6 kg of casein were mixed and stirred evenly to obtain cement mortar; the rest were the same as in Example 1.

Embodiment 3

[0055] The difference from Example 1 is that in Step 3, 100kg of cement, 30kg of water, 90kg of fine sand, 9kg of fly ash, and 5kg of casein were mixed and stirred evenly to prepare cement mortar; the rest were the same as in Example 1.

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PUM

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Abstract

This application relates to the field of light-transmitting concrete, and specifically discloses a preparation method of light-transmitting concrete grade light-transmitting concrete. The preparation method of light-transmitting concrete includes the following steps: Step 1, preparing light-transmitting spherical particles; Step 2, preparing modified Light-transmitting spherical particles; step 2, spraying gelling powder on the surface of the semi-finished product, so that a gelling powder layer is formed on the surface of the semi-finished product, and a modified light-transmitting spherical particle is obtained; Step 3, preparing cement mortar; Step 4, preparing a performance regulator; step 5. Casting and molding: Put the modified light-transmitting spherical particles in the mold, mix the performance modifier and cement mortar homogeneously, pour it into the mold, and release the light-transmitting concrete after the concrete is completely hardened. The light-transmitting concrete prepared by the preparation method of the present application has good compressive strength and good fire resistance, which improves the safety of the light-transmitting concrete, and at the same time, the interface bonding strength between the light-transmitting body and the concrete is high, prolonging the life of the concrete. service life.

Description

technical field [0001] The application relates to the field of concrete, more specifically, it relates to a preparation method of light-transmitting concrete and light-transmitting concrete. Background technique [0002] In 2001, a Hungarian architect invented light-transmitting concrete by embedding a large number of optical fibers in traditional concrete. Then, the performance modifier in the light-transmitting concrete developed by the researchers of Italcementi Group replaced the optical fiber with resin, and was applied in the Italian Pavilion of the 2010 Shanghai World Expo. As a brand-new building functional material, light-transmitting concrete has high light-transmitting properties, and it can transmit sunlight, so that the interior of the building can obtain green and environmentally friendly natural light. This not only improves the lighting of the building, but also changes the traditional monotonous mode of the building, and improves the decoration and apprecia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00C04B111/28
CPCC04B28/00C04B2111/28C04B2111/763C04B2201/50C04B16/12C04B18/08C04B14/06C04B24/14C04B24/121C04B24/2611C04B22/0013C04B22/06C04B24/2682C04B22/124C04B14/20C04B12/04
Inventor 李代良王海江李琼兰
Owner 绵竹市铸诚混凝土有限公司