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An RPC material and a preparing method thereof

A technology of raw materials and gypsum, which is applied in the field of RPC materials, can solve the problems of great influence of natural conditions and difficult maintenance time, etc., and achieve the effect of high early strength, easy quality control and good crack resistance

Inactive Publication Date: 2016-08-10
CNBM ZHONGYAN TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The specific realization lies in covering the formed component with a polymer film, which is similar to using, for example, grass cutting and water spraying with the help of solar energy curing, but this curing method is greatly affected by natural conditions, and the curing time is not easy to grasp

Method used

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  • An RPC material and a preparing method thereof
  • An RPC material and a preparing method thereof
  • An RPC material and a preparing method thereof

Examples

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Effect test

no. 1 example

[0042] The first embodiment: a low energy consumption RPC material, each ton of the low energy consumption RPC material is composed of the following raw materials:

[0043] Ordinary Portland cement 333kg, aluminate cement 100kg, silica fume 81kg, mineral powder 27kg, gypsum 33kg, coarse quartz sand 213kg, fine quartz sand 149kg, defoamer 0.3kg, steel fiber 58kg, polycarboxylate superplasticizer 5.8kg.

no. 2 example

[0044] The second embodiment: a low energy consumption RPC material, each ton of the low energy consumption RPC material is composed of the following raw materials:

[0045] Ordinary Portland cement 400kg, aluminate cement 15kg, silica fume 110kg, gypsum 32.5kg, coarse quartz sand 245kg, fine quartz sand 116kg, defoamer 0.5kg, steel fiber 74kg, polycarboxylate superplasticizer 7.1kg.

no. 3 example

[0046] The third embodiment: a low energy consumption RPC material, each ton of the low energy consumption RPC material is composed of the following raw materials:

[0047] Ordinary Portland cement 300kg, aluminate cement 150kg, silica fume 66kg, mineral powder 31kg, gypsum 29kg, coarse quartz sand 210kg, fine quartz sand 146kg, defoamer 0.35kg, steel fiber 62kg, polycarboxylate superplasticizer 5.6kg.

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Abstract

An RPC material and a preparing method thereof are disclosed. The material is prepared through reasonable component matching, and through reasonably preparing two kinds of cement, namely ordinary Portland cement and aluminate cement which are different in components and different in hydration mechanisms. The Portland cement is good in crack resistance. The aluminate cement is high in early strength, and functions of the aluminate cement are similar to but are different from those of cement seed crystals. The aluminate cement is relatively stabler in component and relatively easier in quality control. Activity of other components is activated through gypsum instead of exciting activity of the RPC through steam curing, thus reducing requirements on sites.

Description

technical field [0001] The invention relates to an RPC material and a preparation method of the RPC material, wherein RPC is an abbreviation of Reactive Powder Concrete, that is, reactive powder concrete. Background technique [0002] RPC is a concrete with ultra-high strength, high toughness, high durability, extremely low permeability and good volume stability. However, in the past, in order to stimulate the activity of RPC materials, steam curing was generally used in the preparation process. The curing temperature is usually 80-90 degrees Celsius, and the curing time is more than 48 hours. The energy consumption of the curing process accounts for more than 90% of the total energy consumption. [0003] Due to the limitations of the steam curing process, traditional RPC products have put forward many restrictions on the site, factory building, and product size. Once the processing plant and steam curing facilities are configured, the place of production cannot be changed a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14
CPCC04B28/14C04B2201/50C04B7/02C04B7/32C04B14/06C04B14/02C04B2103/50C04B14/48C04B2103/302C04B24/24
Inventor 吴明慧宋作宝赵海洋朱玉雪王建李婷李晓宁
Owner CNBM ZHONGYAN TECH
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