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Manufacturing technique of reactive power concrete products

A technology for concrete products and production methods, which is applied in the field of production process methods for reactive powder concrete products, can solve the problems of no production process and restrict the application of reactive powder concrete products, etc., and achieves the effects of high production efficiency, easy realization and solving process bottlenecks.

Active Publication Date: 2011-10-12
北京惠诚基业工程技术有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The application of active powder concrete products is restricted due to the lack of mature production technology for large-scale industrial production

Method used

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  • Manufacturing technique of reactive power concrete products
  • Manufacturing technique of reactive power concrete products
  • Manufacturing technique of reactive power concrete products

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] Vibration molding process for reactive powder concrete products.

[0068] Take this process to form a 400mm×400mm×1500mm square beam specimen as an example.

[0069] Described active powder concrete is by following mass ratio (kg / m 3 Count) raw material composition:

[0070] Ordinary silicon 42.5 cement 653-732 kg; S i o 2 189-235 kg of admixture with an average particle size of 0.31 μm and a maximum particle size of 0.5 μm; 1125-1310 kg of quartz sand with a particle size of 0.16-1.25 mm; 35-70 kg of admixture; 110-145 kg of water kg; steel fiber diameter 0.16-0.3mm 65-143 kg;

[0071] The slump of reactive powder concrete is not less than 200mm.

[0072] Active powder concrete products are molded according to the following steps in sequence, and the required raw materials are expressed in kg / m 3 count:

[0073] (1) Dissolve 50kg of non-naphthalene-based water reducer in 130kg of measured water (dissolve in water first to prevent uneven stirring when directly ad...

Embodiment 2

[0081] Vibration molding process for reactive powder concrete products.

[0082] Take this process to form a 2000mm×800mm×100mm hollow plate specimen as an example.

[0083] Described active powder concrete is by following mass ratio (kg / m 3 Count) raw material composition:

[0084] Ordinary silicon 42.5 cement 653-732 kg; S i o 2 189-235 kg of admixture with an average particle size of 0.31 μm and a maximum particle size of 0.5 μm; 1125-1310 kg of quartz sand with a particle size of 0.16-1.25 mm; 35-70 kg of admixture; 110-145 kg of water kg; steel fiber diameter 0.16-0.3mm 65-143 kg.

[0085] The slump of reactive powder concrete is not less than 200mm.

[0086] Active powder concrete products are molded according to the following steps in sequence, and the required raw materials are expressed in kg / m 3 count:

[0087] (1) Dissolve 45kg of non-naphthalene-based water reducer in 130kg of measured water (dissolve in water first to prevent uneven stirring when directly a...

Embodiment 3

[0095] Vibration Forming Technology of Active Powder Concrete

[0096] Use this process to form a 750mm×500mm×25mm specimen as an example.

[0097] Described active powder concrete is by following mass ratio (kg / m 3 Count) raw material composition:

[0098] Ordinary silicon 42.5 cement 653-732 kg; S i o 2 189-235 kg of admixture with an average particle size of 0.31 μm and a maximum particle size of 0.5 μm; 1125-1310 kg of quartz sand with a particle size of 0.16-1.25 mm; 35-70 kg of admixture; 110-145 kg of water kg; steel fiber diameter 0.16-0.3mm 65-143 kg.

[0099] The slump of reactive powder concrete is not less than 150mm.

[0100] Active powder concrete products are molded according to the following steps in sequence, and the required raw materials are expressed in kg / m 3 count:

[0101] (1) Dissolve 35kg of non-naphthalene-based water reducer in 130kg of measured water (dissolve in water first to prevent uneven stirring when directly added to other raw material...

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Abstract

The invention discloses a manufacturing technique of reactive power concrete (RPC) products, belonging to the methodological technical field of the manufacturing technical process of the reactive power concrete (RPC) products in new building materials. The method comprises the following steps: according to the approaching process of raw material preparation, the raw material preparation is checked; according to the composition measured by the raw material mass mixture ratio, the raw material is measured; the checked raw material preparation is charged to a mixing plant for being mixed by utilizing charging equipment; the mixed reactive power concrete (RPC) is injected into a product mould to be formed; the formed product is maintained with the steam and hot water according to the curing temperature control requirement; the maintained product is stored according to the storing requirement. The manufacture technique is easy to be realized, has simple and convenient operation and high production efficiency, solves the technique bottleneck preparing the large scale commercial process of the reactive power concrete (RPC) products, and is suitable for manufacturing various reactive power concrete (RPC) products.

Description

technical field [0001] The invention relates to a production process method of an active powder concrete product, which belongs to the technical field of manufacturing new building materials, and specifically belongs to the technical field of the production process method of the active powder concrete product in the new building material. Background technique [0002] Reactive Powder Concrete (RPC) is a new type of concrete material developed by France in the mid-1990s with many advantages such as high strength, high toughness, and high durability. It was first used in nuclear reactor waste Storage container making. It is composed of graded quartz sand, cement, admixtures, admixtures and other main parts. In order to improve the toughness and ductility, high-strength special steel fibers are added, and the microstructure of the finished product is improved by high-temperature steam curing during the condensation and hardening process. . The strength grade of RPC can be div...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B14/06C04B14/48
Inventor 都清安明喆季文玉周之琪
Owner 北京惠诚基业工程技术有限责任公司
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