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An early-strength prefabricated component laminated plate and its processing method

A technology of prefabricated components and processing methods, which is applied in the direction of manufacturing tools and ceramic molding machines, etc., can solve the problems of restricting the development of prefabricated building components, the inability to quickly demould, and the low turnover rate of molds, so as to achieve good promotion significance and shorten demoulding The effect of simple mold time and processing method

Active Publication Date: 2021-06-11
台州普立德建筑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, due to the low early strength of modern concrete, it cannot be demoulded quickly, resulting in low mold turnover rate, which seriously restricts the development of prefabricated building components.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] An early-strength prefabricated composite panel is made of the following components in parts by weight: 200 parts of cement, 110 parts of secondary fly ash, 120 parts of mineral powder, 6 parts of water reducing agent, and 3 parts of calcium nitrate Parts, 4 parts of sodium silicate, 150 parts of water.

[0044] Wherein, the water reducer is prepared by the following method:

[0045] (A) Diatomaceous earth is pretreated and ball-milled with dihydrate gypsum, triethanolamine and water to obtain crystal nuclei for subsequent use;

[0046] (B) Add water and acrylamide to the reaction kettle, stir until they are all dissolved, add 20% aqueous hydrogen peroxide solution with a mass concentration and the crystal nuclei obtained in step (A), then add dropwise 20% aqueous acrylic acid solution with a mass concentration of 1 % mercaptopropionic acid aqueous solution and mass concentration of 20% ferrous sulfate aqueous solution, after the dropwise addition was completed, they w...

Embodiment 2

[0063] An early-strength prefabricated composite panel is made of the following components in parts by weight: 240 parts of cement, 130 parts of secondary fly ash, 140 parts of mineral powder, 9 parts of water reducing agent, and 5 parts of calcium nitrate Parts, 6 parts of sodium silicate, 180 parts of water.

[0064] Wherein, the water reducer is prepared by the following method:

[0065] (A) Diatomaceous earth is pretreated and ball-milled with dihydrate gypsum, triethanolamine and water to obtain crystal nuclei for subsequent use;

[0066] (B) Add water and acrylamide to the reaction kettle, stir until they are completely dissolved, add 30% aqueous hydrogen peroxide solution with a mass concentration and the crystal nuclei obtained in step (A), then add dropwise a 30% aqueous acrylic acid solution with a mass concentration of 2 % mercaptopropionic acid aqueous solution and mass concentration of 30% ferrous sulfate aqueous solution, after the dropwise addition was complete...

Embodiment 3

[0083] An early-strength prefabricated composite panel is made of the following components in parts by weight: 200 parts of cement, 130 parts of secondary fly ash, 120 parts of mineral powder, 9 parts of water reducing agent, and 3 parts of calcium nitrate Parts, 6 parts of sodium silicate, 150 parts of water.

[0084] Wherein, the water reducer is prepared by the following method:

[0085] (A) Diatomaceous earth is pretreated and ball-milled with dihydrate gypsum, triethanolamine and water to obtain crystal nuclei for subsequent use;

[0086] (B) Add water and acrylamide to the reaction kettle, stir until they are completely dissolved, add 30% hydrogen peroxide aqueous solution and the crystal nuclei obtained in step (A), then add dropwise 20% acrylic acid aqueous solution, 2 % mercaptopropionic acid aqueous solution and mass concentration of 20% ferrous sulfate aqueous solution, after the dropwise addition was completed, they were incubated at 45°C for 30 minutes;

[0087]...

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PUM

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Abstract

The invention discloses an early-strength type prefabricated component laminated board and a processing method thereof, which use cement, fly ash, mineral powder, water reducing agent, calcium nitrate, sodium silicate and water as raw materials, and simply step-by-step mixing and curing Therefore, each component is synergistically effective, and the compressive strength can reach more than 60% of the design strength in 12 hours under normal temperature and pressure and humidity of 95%. The invention effectively shortens the demoulding time, accelerates the turnover speed of the mold, prevents the strength from collapsing in the later stage, and improves the construction progress; the processing method is simple and has good popularization significance.

Description

technical field [0001] The invention relates to a prefabricated component laminated plate, in particular to an early-strength type prefabricated component laminated plate and a processing method, belonging to the technical field. Background technique [0002] With the development of modern industrial technology, the construction of houses can be manufactured in batches like machine production. Pharmaceuticals can transport the prefabricated house components to the construction site and assemble them. In this way, prefabricated parts are assembled on the construction site. Buildings are called prefabricated buildings. [0003] Prefabricated prefabricated components are the core and foundation of prefabricated buildings. They can be processed and produced in factories in a standardized and mechanized manner. Compared with cast-in-place concrete, they have obvious advantages in terms of safety, quality, speed, cost, and environment. details as follows: [0004] 1. The factory...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04B28B7/38
Inventor 蔡文剑翁剑金剑雨
Owner 台州普立德建筑科技有限公司
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