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Heat-resistant concrete

A technology of heat-resistant concrete and fly ash ceramsite, which is applied in the field of heat-resistant concrete, can solve the problems of increasing the production cost of heat-resistant concrete, and achieve the effect of reducing load and production cost

Inactive Publication Date: 2014-02-05
CHINA FIRST METALLURGICAL GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to regional differences and geological influences, local materials for preparing heat-resistant concrete may not all meet the technical index requirements stipulated in relevant standards. In some areas of my country, igneous rocks such as granite, diabase, and basalt for preparing heat-resistant concrete are not produced. aggregates, which must be collected and transported from other places, which will inevitably increase the production cost of heat-resistant concrete

Method used

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Examples

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Effect test

Embodiment 1

[0026] A heat-resistant concrete composed of 7.56 kg of water, 16.08 kg of cement, 30.56 kg of blast furnace water-quenched slag, 12.52 kg of fly ash ceramsite, 3.20 kg of fly ash, 2.40 kg of mineral powder, and 0.326 kg of water reducing agent; At the same time, first mix the above-mentioned other raw materials (ie weighed cement, blast furnace water quenched slag, fly ash ceramsite, fly ash, slag powder and water reducing agent), and then add the weighed water and stir evenly. It can be the heat-resistant concrete of the present invention.

Embodiment 2

[0028] A heat-resistant concrete composed of 7.60 kg of water, 15.40 kg of cement, 31.28 kg of blast furnace water-quenched slag, 13.08 kg of fly ash ceramsite, 3.08 kg of fly ash, 2.32 kg of mineral powder, and 0.323 kg of water reducing agent; At this time, the above-mentioned other raw materials are mixed first, and then water is added and mixed evenly to form the heat-resistant concrete of the present invention.

Embodiment 3

[0030] A heat-resistant concrete composed of 7.52kg of water, 13.6kg of cement, 33.16kg of blast furnace water-quenched slag, 13.84kg of fly ash ceramsite, 2.72kg of fly ash, 2.04kg of mineral powder, and 0.272kg of water reducer; At this time, the above-mentioned other raw materials are mixed first, and then water is added and mixed evenly to form the heat-resistant concrete of the present invention.

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Abstract

The invention relates to heat-resistant concrete. The heat-resistant concrete is prepared by using fly ash ceramsite as a coarse aggregate and blast furnace water quenched slag as a fine aggregate. The heat-resistant concrete can fully replace igneous rock coarse and fine aggregates to prepare the heat-resistant concrete in the prior art. Detected indexes fit various performance indexes required by the heat-resistant concrete.

Description

technical field [0001] The invention relates to heat-resistant concrete, that is, the technology of preparing heat-resistant concrete with fly ash ceramsite as coarse aggregate and blast furnace water-quenched slag as fine aggregate. Background technique [0002] In the prior art, the coarse and fine aggregates of heat-resistant concrete are igneous rock aggregates such as basalt, andesite, diabase, and granite. Due to regional differences and geological influences, local materials for preparing heat-resistant concrete cannot all meet the technical index requirements stipulated in relevant standards. In some areas of my country, igneous rocks such as granite, diabase, and basalt for preparing heat-resistant concrete are not produced. Such aggregates must be collected and transported from other places, which will inevitably increase the production cost of heat-resistant concrete. [0003] Fly ash ceramsite mostly uses industrial waste pulverized coal as the main raw material,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66
Inventor 闫静安雷宝刚王浩刘晓奎陈晓焕
Owner CHINA FIRST METALLURGICAL GROUP
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