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Ultrahigh-property concrete and preparation method thereof

A technology with ultra-high performance and manufacturing methods, applied in the field of concrete, can solve problems such as no obvious improvement in waterproof performance, lower waterproof and impermeability, and easy rusting of steel fibers, so as to improve resistance to chloride ion penetration, save energy costs, and reduce steel costs. The effect of fiber rust problems

Inactive Publication Date: 2018-08-03
GUANGDONG LIANCHENG RESIDENTIAL EQUIP INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the prior art, concrete has been applied to various fields, such as: integral sanitary ware, see Chinese patent announcement number: CN204645718U, which discloses the use of a kind of ultra-high performance concrete as the bottom plate, but they do not have waterproof treatment, only the ultra-high performance concrete Direct application has the problem of waterproof and anti-seepage of materials, especially in long-term use, the penetration of harmful impurities such as chloride ions makes steel fibers easier to rust; and the volume expansion of rusty products causes material damage, making the material waterproof and anti-seepage greatly reduced sex
Another example is the Chinese patent announcement number: CN104591635B, which discloses a kind of ultra-high performance concrete modified with water-based epoxy resin. The super-strong bonding performance of the water-based epoxy resin used in it improves the connection performance between steel fiber and cement matrix; but The polymers are not interconnected to form a film, which does not significantly improve the waterproof performance

Method used

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  • Ultrahigh-property concrete and preparation method thereof

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Embodiment

[0034] Embodiment: a kind of super high performance concrete, comprises following component and content thereof: PO42.5 cement 700kg / m 3 , Class II fly ash 70kg / m 3 , superfine silica fume 100kg / m 3 , Fine sand 1000~1300kg / m 3 , Steel fiber 80~160kg / m 3 , polymer emulsion 20kg / m 3 , tap water 160kg / m 3 , water reducer 40kg / m 3 And coalescent 0.2kg / m 3 .

[0035] Wherein, the specific surface area of ​​the ultrafine silica fume is 15000m 3 / kg, Si02 content 95%, activity coefficient 108%; fine sand is quartz sand and quartz powder with particle size less than 10 mesh, fineness modulus is 2.10; steel fiber is round straight copper-plated steel fiber, diameter 0.2mm, The length is 13mm; the polymer emulsion is butadiene-styrene copolymer emulsion with a solid content of 50%; the water reducer is a high-efficiency polycarboxylate water reducer with a solid content of 13% and a water reducing rate of 30%; Dialdehyde butyl ether EB, content 99.5%.

[0036] A method for man...

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Abstract

The invention discloses ultrahigh-property concrete which comprises the following components by weight: 500-850kg / m<3> of cement, 50-150kg / m<3> of coal ash, 80-150kg / m<3> of silicon ash, 1000-1300kg / m<3> of sand, 80-160kg / m<3> of a steel fiber, 20-60kg / m<3> of a polymer emulsion, 60-180kg / m<3> of water, 30-40kg / m<3> of a water reduction agent and 0.1-1kg / m<3> of filming aids. By adopting the ultrahigh-property concrete, the waterproof anti-seepage property and the overall strength can be remarkably improved. The invention further provides a preparation method which is easy to implement and capable of preparing the ultrahigh-property concrete which is rapid and convenient to prepare, environmental-friendly and energy-saving and low in cost.

Description

technical field [0001] The invention relates to the technical field of concrete, in particular to an ultra-high performance concrete and a manufacturing method thereof. Background technique [0002] In the prior art, concrete has been applied to various fields, such as: integral sanitary ware, see Chinese patent announcement number: CN204645718U, discloses to use a kind of ultra-high performance concrete as the bottom plate, but they do not have waterproof treatment, just the ultra-high performance concrete Direct application has the problem of waterproof and anti-seepage of materials, especially in long-term use, the penetration of harmful impurities such as chloride ions makes steel fibers easier to rust; and the volume expansion of rusty products causes material damage, making the material waterproof and anti-seepage Sex is greatly reduced. Another example is the Chinese patent announcement number: CN104591635B, which discloses a kind of ultra-high performance concrete m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B111/20C04B111/27
CPCC04B28/04C04B2111/20C04B2111/27C04B18/08C04B18/146C04B14/06C04B14/48C04B2103/302C04B24/2676C04B24/023
Inventor 不公告发明人
Owner GUANGDONG LIANCHENG RESIDENTIAL EQUIP INFORMATION TECH CO LTD
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