Fiber-reinforced high-strength foam concrete as well as preparation method and application thereof

A foam concrete and fiber-reinforced technology, applied in the field of building materials, can solve the problems of unusable load-bearing components, low flexural strength, narrow application range, etc., and achieve the effects of strong compactness, good thermal insulation effect, and low water absorption

Active Publication Date: 2022-02-15
SICHUAN CHINA STRUCTURE RESIDENTIAL IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the strength of the existing foam concrete will decrease with the decrease of the bulk density, when the bulk density is lower than 1500kg/m 3 Finally, the strength is lower than 20MPa, and the flexural str

Method used

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  • Fiber-reinforced high-strength foam concrete as well as preparation method and application thereof
  • Fiber-reinforced high-strength foam concrete as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0022] Example 1

[0023] This embodiment provides a fiber-reinforced high-strength foam concrete, and the raw materials include: common silicate cement 50kg, silicone ash 5kg, mineral powder 10kg, stainless steel slag powder 5KG, quartz sand 70kg, polypropylene fiber 5kg, composite external plus 1kg, foaming agent 5kg, water 50kg, the quartz sand consists of four continuous grades, and the components and weight percent is 10-20 mesh sand sand 42.9%, 20-40 mesh martial sand 21.4%, 40-80 目 英 英 23.8%, 80-120 目 英 英 沙 英砂 11.9%, the composite plus, 71%, thickening agent, 12%, steady agent, 17%, thickener The water reduction agent is a polycarboxylic acid water-water, the thickener as a cellulose thickener, the soil foaming agent is a modified silicone amide, the mine powder is S95 ore powder, the specific surface area of ​​700m 2 / kg, the stainless steel slag powder surface area is 400m 2 / kg, the silicon content of the silicon ash is 87%, the specific surface area is 20000m 2 / kg. ...

Example Embodiment

[0024] Example 2

[0025] This embodiment provides a fiber reinforced high-strength foam concrete, and the raw materials include: common silicate cement 100kg, silicone ash 10kg, mineral powder 20KG, stainless steel slag powder 10kg, quartz sand 60kg, polypropylene fiber 5kg, composite plug 2kg, blowing agent 5kg, water 40kg, the quartz sand consists of four series of continuous graded quartz sand, the components and weights are 10-20 mesh sands 47.3%, 20-40 mesh martial sand 15.9%, 40-80 目 石 英 砂 24.1%, 80-120 目 石 英 沙 12.7%, the composite extensive plus includes: 71%, thickening agent, 12%, steady agent, 17%, thickener, The water reduction agent is a polycarboxylic acid water-water, the thickener as a cellulose thickener, the soaked agent is a modified silicone amide, the mine powder is S105 ore powder, the specific surface area of ​​500m 2 / kg, the stainless steel slag powder surface area is 500m 2 / kg, the silicon content of the silicon ash is 87%, the specific surface area is...

Example Embodiment

[0026] Example 3

[0027] This embodiment provides a fiber reinforced high-strength foam concrete, and the raw materials include: common silicate cement 50kg, silicone ash 20kg, mineral powder 30kg, stainless steel slag powder 10kg, quartz sand 70kg, polypropylene fiber 1 kg, composite plug 1.5kg, bubble agent 2kg, water 23kg, the quartz sand consists of four consecutive quartz sand compositions, the components and weight percentage of 10-20 目 英 砂 45%, 20-40 mesh 英 英砂 19.3% 40-80 目 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英 英. " The reduction agent is a polycarboxylic acid water repellent, the thickener as a cellulose thickener, the soil foaming agent, which is a modified silicone ammide, the foaming agent as a plant-type blowing agent, The ore powder is S95 mine powder, the specific surface area is 700m 2 / kg, the stainless steel slag powder surface area is 400m 2 / kg, the silicon content of the silicon ash is 95%, the specific surface area is 28000m 2 / kg...

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Abstract

The invention provides fiber-reinforced high-strength foam concrete. The fiber-reinforced high-strength foam concrete comprises the following raw materials in parts by weight: 50-100 parts of ordinary Portland cement, 5-20 parts of silica fume, 10-30 parts of mineral powder, 5-10 parts of stainless steel slag powder, 50-70 parts of quartz sand, 1-5 parts of polypropylene fibers, 1-2 parts of a composite admixture, 2-5 parts of a foaming agent and 23-50 parts of water. The concrete provided by the invention improves the strength of the whole concrete system while reducing the volume weight, and can be applied to load-bearing members.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a fiber-reinforced high-strength foam concrete and a preparation method thereof. Background technique [0002] Because foam concrete contains a large number of closed small pores, it has good thermal performance, that is, good thermal insulation performance; secondly, foam concrete is a porous material, so it is also a good sound insulation material. The material can be used as the sound insulation layer for the sound insulation board of expressways and the top floor of underground buildings; in addition, the porosity of foam concrete makes it have a low elastic modulus, so that it has good absorption and dispersion effect on impact load At the same time, foam concrete can be poured on site and closely integrated with the main project. Not only can it be produced in the factory into various products, but it can also be constructed on site, and it can be directly cast i...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B38/10C04B16/06C04B18/14C04B14/06C04B111/52
CPCC04B28/04C04B38/10C04B16/0633C04B18/146C04B18/142C04B14/06C04B2111/52C04B2201/52C04B2201/50C04B18/141C04B2103/302C04B24/383C04B24/42C04B24/14Y02W30/91
Inventor 邹阳廖海军宋小军唐德兵
Owner SICHUAN CHINA STRUCTURE RESIDENTIAL IND
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