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Cement-based composite material with high drilling resistance used in bank financial equipment and preparation method thereof

A financial equipment and composite material technology, applied in the field of new cement-based composite materials, can solve the problems of unsatisfactory anti-flame cutting comprehensive performance, stolen valuables, high prices, etc., to improve the anti-drilling performance, improve the interface transition zone, Energy cost saving effect

Inactive Publication Date: 2012-03-21
TRI STAR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The cabinet walls of bank financial equipment are mostly made of metal materials, which are easily drilled by electric drills and other tools, resulting in the theft of valuables inside. The anti-drilling performance is one of the important performances of bank financial equipment
At present, the foreign method to solve the anti-drilling performance is to use special steel, which is not only expensive, but also has unsatisfactory comprehensive properties such as flame cutting resistance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The weight ratio of each component of the high drilling resistance cement-based composite material relative to the cement is as follows:

[0025] components weight ratio 52.5 Portland cement 1 Silica fume 0.20 Corundum 2.6 Superplasticizer 0.010 steel fiber 0.45 water 0.29

[0026] Preparation method of the present invention:

[0027] (A) Weigh cement, silica fume, corundum and high-efficiency superplasticizer according to the mixing ratio, and dry mix them for 2 to 3 minutes to make them evenly mixed; (B) Weigh water according to the mixing ratio, start the mixer, and slowly mix the water Add it into the mixture that has been mixed evenly until it becomes a slurry; (C) Weigh the steel fibers according to the mixing ratio and distribute them evenly in the slurry. After all the steel fibers are put in, continue stirring for 2 minutes stop stirring;

[0028] (D) Put the mixture into a 300mm×300mm×70mm test mold, for...

Embodiment 2

[0031] The weight ratio of each component of the high drilling resistance cement-based composite material relative to the cement is as follows:

[0032] components weight ratio 52.5 Portland cement 1 Silica fume 0.10 Corundum 2.6 Superplasticizer 0.010 steel fiber 0.45 water 0.23

[0033] Preparation method of the present invention:

[0034] (A) Weigh cement, silica fume, corundum and high-efficiency superplasticizer according to the mixing ratio, and dry mix them for 2 to 3 minutes to make them evenly mixed; (B) Weigh water according to the mixing ratio, start the mixer, and slowly mix the water Add it into the mixture that has been mixed evenly until it becomes a slurry; (C) Weigh the steel fibers according to the mixing ratio and distribute them evenly in the slurry. After all the steel fibers are put in, continue stirring for 2 minutes stop stirring;

[0035] (D) Put the mixture into a 300mm×300mm×70mm test mold, for...

Embodiment 3

[0038] The weight ratio of each component of the high drilling resistance cement-based composite material relative to the cement is as follows:

[0039] components weight ratio 52.5 Portland cement 1 Silica fume 0.10 Corundum 1.4 Superplasticizer 0.005 steel fiber 0.30 water 0.23

[0040] (A) Weigh cement, silica fume, corundum and high-efficiency superplasticizer according to the mixing ratio, and dry mix them for 2 to 3 minutes to make them evenly mixed; (B) Weigh water according to the mixing ratio, start the mixer, and slowly mix the water Add it into the mixture that has been mixed evenly until it becomes a slurry; (C) Weigh the steel fibers according to the mixing ratio and distribute them evenly in the slurry. After all the steel fibers are put in, continue stirring for 2 minutes Stop stirring; (D) Put the mixture into a test mold of 300mm×300mm×70mm, shake it into shape, weld and seal it with a steel plate, and car...

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PUM

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Abstract

The invention belongs to the technical field of bank financial equipment manufacturing, and relates to a cement-based composite material with high drilling resistance used in bank financial equipment. The composite material is characterized by comprising the following components such as cement, siliceous dust, carborundum, an efficient water reducer, steel fiber and water at the weight ratio of 1:(0.10-0.20):(1.4-2.6):(0.005-0.010):(0.30-0.45):(0.23-0.29). The cement-based composite material is applied to the technical field of bank financial equipment, and has the following advantages that the carborundum with Mohs hardness up to 9.0 is taken as an aggregate so as to greatly improve the drilling resistance of the cement-based composite material; and the composite material is naturally cured without high-temperature steam or dry-heat curing procedure, thus simplifying the operating procedures, saving the energy cost and being applicable to large-scale production.

Description

technical field [0001] The invention belongs to the technical field of bank financial equipment manufacturing, and in particular relates to a novel cement-based composite material with high anti-drilling performance. Background technique [0002] The cabinet walls of banking financial equipment are mostly made of metal materials, which are easily penetrated by electric drills and other tools, resulting in the theft of valuables inside. The anti-drilling performance is one of the important performances of banking financial equipment. At present, the foreign method to solve the anti-drilling performance is to use special steel, which is not only expensive, but also has unsatisfactory other comprehensive properties such as flame cutting resistance. [0003] Cement-based composite materials are used in the field of banking and financial equipment in the form of a "sandwich" structure, which significantly improves the comprehensive performance of the cabinet wall. Therefore, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B28/04C04B14/42
Inventor 关志峰刘佳炎陈文坤龙梅石华兵赵志明
Owner TRI STAR
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