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Foamed concrete composite wall plate core and preparation method thereof

A technology of foam concrete and composite wall panels, which is applied in the field of building materials, can solve the problems of low core material strength and low compressive strength, and achieve the effects of saving natural resources, broadening the use channels, and reducing costs

Active Publication Date: 2018-09-18
广东基业长青建筑科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The strength of the core material prepared by the invention is low, and the compressive strength is less than 1.5MPa

Method used

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  • Foamed concrete composite wall plate core and preparation method thereof
  • Foamed concrete composite wall plate core and preparation method thereof
  • Foamed concrete composite wall plate core and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] This embodiment provides a method for preparing the core material of a foam concrete composite wallboard, the preparation method being:

[0041] 95wt% Portland cement, 5wt% construction waste regenerated micropowder, 4wt% 6mm rice straw fiber, 2wt% polycarboxylate water reducer, 1.5wt% early strength agent triisopropanolamine, 2.5% The quick-setting agent is mixed with water 0.6 times the total mass of all the above-mentioned raw materials to obtain cement slurry; 20wt% vegetable protein foaming agent, 40wt% sodium dodecylsulfonate, 5wt% cellulose ether and 35wt% water are mixed to obtain foam; Foam and cement slurry are mixed according to 0.5L of foam per kilogram of cement slurry to obtain foam concrete slurry; the foam concrete slurry is poured into a mold, hydration hardened and demolded to form the foam concrete composite wallboard core material.

Embodiment 2

[0043] This embodiment provides a method for preparing the core material of a foam concrete composite wallboard, the preparation method being:

[0044] 70wt% Portland cement, 10wt% fly ash, 20wt% construction waste regenerated micropowder and main raw material quality 1wt% 10mm cotton stalk fiber, 2wt% polycarboxylate water reducer, 1wt% early strength agent triethanolamine, 6 % Accelerator is mixed with 0.3 times the water of the total mass of all the above-mentioned raw materials to obtain cement slurry; 10wt% animal protein foaming agent, 20wt% sodium dodecylsulfonate, 1wt% calcium stearate and 69wt% water are mixed to obtain Foam; mix foam and cement slurry at 2L of foam per kilogram of cement slurry to obtain foam concrete slurry; pour the foam concrete slurry into a mold, hydration harden and demould to make the foam concrete composite wallboard core material.

Embodiment 3

[0046] This embodiment provides a method for preparing the core material of a foam concrete composite wallboard, the preparation method being:

[0047] 75wt% Portland cement, 10wt% fly ash, 15wt% construction waste regenerated micropowder and main raw material quality 2wt% 5mm carbon fiber, 0.5wt% polycarboxylate water reducer, 0.5wt% early strength agent triisopropanol Amine, 2% quick-setting agent and 0.5 times the water of the total mass of all the above-mentioned raw materials are mixed to obtain cement slurry; Cellulose ether and 50wt% water are mixed to obtain foam; the foam and cement slurry are mixed according to 1.5L of foam per kilogram of cement slurry to obtain foam concrete slurry; the foam concrete slurry is poured into the mold, and the hydration hardening demoulding is made into the Foam concrete composite wall panel core material.

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Abstract

The invention provides a foamed concrete composite wall plate core and a preparation method thereof. The composite wall plate core is obtained by mixing a cement slurry and foams and hardening a mixture; the cement slurry is prepared from a solid raw material and water; the solid raw material of the cement slurry is prepared from the following components in percentage by mass: 70-95 percent of portland cement, 0-30 percent of fly ash, 0-30 percent of building regenerated garbage micropowder, 1-4 percent of fiber and 2.5-9.5 percent of additive. The composite wall plate core realizes resource circulation utilization of a solid waste, expands a use way of building solid wastes, lowers the cost, saves the natural resources, accords with energy conservation, emission reduction and sustainabledevelopment and has the advantages of light weight, high strength, good insulation effect, sound insulation, earthquake damage alleviation and the like.

Description

technical field [0001] The invention belongs to the field of building materials, and relates to a foam concrete composite wall board core material and a preparation method thereof. Background technique [0002] Due to the many internal pores and low bulk density of foam concrete, when used in building structures, the structure size can be optimized by reducing the building's own weight, so as to achieve the purpose of saving cost and material consumption; the internal porous structure of foam concrete makes it have good thermal insulation, Excellent properties such as heat insulation, sound insulation, and shock mitigation. Therefore, promoting the use of foam concrete structures in the construction industry can effectively improve the performance of the building itself in terms of earthquake resistance, energy saving and environmental protection. The composite wallboard uses foamed concrete as the inner core not only in terms of durability, fire resistance, and sound insul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B38/10C04B111/52C04B111/40C04B111/20
CPCC04B28/04C04B2111/2046C04B2111/40C04B2111/52C04B2201/20C04B2201/32C04B2201/50C04B18/16C04B18/24C04B2103/302C04B24/122C04B2103/12C04B24/14C04B24/16C04B24/383C04B38/10C04B18/08C04B24/085C04B14/386
Inventor 黄柯柯胡鉴
Owner 广东基业长青建筑科技有限公司
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