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A kind of high-strength anti-seepage concrete and its production method

A technology of impervious concrete and high strength, which is applied in the field of concrete and can solve the problems of poor impermeability of high-strength concrete

Active Publication Date: 2021-04-09
武汉华强新型建筑材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the deficiencies in the prior art, the first object of the present invention is to provide a high-strength impermeable concrete, by adding fine powder composition and tensile composition, reducing the amount of cement, which solves the problem of poor impermeability of high-strength concrete , has the advantage of improving the impermeability of high-strength concrete

Method used

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  • A kind of high-strength anti-seepage concrete and its production method

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Effect test

Embodiment 1

[0047] Embodiment 1: A high-strength impermeable concrete, including the components shown in Table 1 in parts by weight.

[0048] Among them, the cement is P.O52.5 cement; the fine aggregate is medium sand in Zone II; the coarse aggregate is continuously graded gravel with a minimum particle size of 5mm and a maximum particle size of 25mm; the water reducer is FDN high-efficiency Retarding water reducer; air-entraining agent selection of rosin resin air-entraining agent.

[0049] Polyvinyl alcohol fibers with a diameter of 31 μm and a length of 11 mm and steel fibers with a diameter of 0.4 mm and a length of 12 mm arranged in a wave shape were selected. The particle size of magnesium oxide particles is selected from 31μm-45μm

[0050] The above-mentioned high-strength impermeable concrete is prepared through the following steps:

[0051] S1, weighing the fine powder composition, cement, magnesium oxide particles and fine aggregate in corresponding parts by weight, and mixing...

Embodiment 2-8

[0054] Example 2-8: A high-strength impermeable concrete, the only difference from Example 1 is that the parts by weight of some components are different; the components and parts by weight are shown in Table 1.

[0055] Components and their corresponding parts by weight in table 1. embodiment 1-8

[0056]

Embodiment 9

[0057] Embodiment 9: A high-strength impermeable concrete. The only difference from Embodiment 1 is that polyvinyl alcohol fibers and steel fibers are selected in parts by weight of 12 and 13 parts respectively, and the remaining parameters are consistent with Embodiment 1.

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Abstract

The invention discloses a high-strength anti-seepage concrete and a production method thereof, and relates to the technical field of concrete; the high-strength anti-seepage concrete includes the following components in parts by weight: cement: 319-434 parts; fine aggregate: 570-723 parts Coarse aggregate: 957‑1163 parts; Water reducer: 33‑61 parts; Fly ash: 101‑149 parts; Water: 132‑168 parts; Fine powder composition: 97‑150 parts; Tensile composition : 25-65 parts; the fine powder composition includes at least one of silicon micropowder, polyether ether ketone and alumina powder; the tensile composition is polyvinyl alcohol fiber and / or steel fiber. The invention reduces the amount of cement by adding the fine powder composition and the tensile composition, solves the problem of poor impermeability of high-strength concrete, and has the advantage of improving the impermeability of high-strength concrete.

Description

technical field [0001] The invention relates to the technical field of concrete, in particular to a high-strength anti-seepage concrete and a production method thereof. Background technique [0002] With the development of urban construction, the use of concrete is becoming more and more extensive. Concrete is one of the most important contemporary civil engineering materials; it is prepared in a certain proportion from cementitious materials, granular aggregates, water, and admixtures and admixtures added when necessary, and is uniformly stirred, densely formed, cured A hardened artificial stone. As buildings have higher and higher requirements for the strength of concrete itself, high-strength concrete has also emerged as the times require. [0003] The Chinese patent with the authorized announcement number CN101747002B and the authorized announcement date of October 24, 2012 discloses a high-strength concrete, which is composed of the following raw materials, calculated...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B111/27
CPCC04B28/04C04B2111/27C04B2201/50C04B14/06C04B18/12C04B2103/302C04B24/34C04B18/08C04B18/146C04B24/32C04B14/303C04B16/0641C04B14/48C04B22/066
Inventor 胡新军胡胜雄杨晓冬陈昶
Owner 武汉华强新型建筑材料有限公司
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