Graphene-modified concrete and preparation method thereof

A graphene modification and manufacturing method technology, applied in the field of concrete, can solve the problems of insufficient concrete compressive strength, large dosage, long setting time and the like, and achieve the effects of short complete setting time, low cost and simple manufacturing process

Inactive Publication Date: 2017-09-29
中康建设管理(集团)股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Existing concrete has insufficient compressive strength, long sol

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0023] Example one

[0024] The number of cement used in this example is 325#, the place of production of cement is Jiangxi Wannianqing Cement Co., Ltd., and the place of production of sand is Hubei.

[0025] Follow the steps below:

[0026] S1: Use a stone crusher to crush the stones;

[0027] S2: sieving the crushed stones using a stone sieving machine;

[0028] S3: pulverize the sieved stones a second time;

[0029] S4: According to the mass parts of the concrete, add 20 parts of cement, 10 parts of water, and 20 parts of coarse sand to the mortar mixer and stir evenly, and then continue to add the remaining 20 parts of coarse sand to it and stir again to form a mixed mortar;

[0030] S5: Transfer the mixed mortar to a stone mortar mixer, add 48 parts of the crushed stone, 0.05 parts of graphene, and 5 parts of water reducing agent while stirring, and stir to form concrete.

[0031] A screen with an aperture of 25 mm is installed on the stone screening machine; the material of the scree...

Example Embodiment

[0033] Example two

[0034] The number of cement used in this example is 425#, the place of production of cement is Jiangxi Wannianqing Cement Co., Ltd., and the place of production of sand is Jiangxi.

[0035] Follow the steps below:

[0036] S1: Use a stone crusher to crush the stones;

[0037] S2: sieving the crushed stones using a stone sieving machine;

[0038] S3: pulverize the sieved stones a second time;

[0039] S4: According to the mass parts of the concrete, add 10 parts of cement, 10 parts of water, and 16 parts of coarse sand to the mortar mixer and stir evenly, and then continue to add the remaining 16 parts of coarse sand to it and stir again to form a mixed mortar;

[0040] S5: Transfer the mixed mortar to a stone mortar mixer, add 41 parts of the crushed stone, 0.10 part of graphene, and 10 parts of water reducing agent while stirring, and stir to form concrete.

[0041] A screen with an aperture of 25mm is installed on the stone sieving machine; the material of the screen...

Example Embodiment

[0043] Example three

[0044] The number of cement used in this embodiment is 525#, the place of production of cement is China Conch Cement Co., Ltd., and the place of production of sand is Jiangxi.

[0045] Follow the steps below:

[0046] S1: Use a stone crusher to crush the stones;

[0047] S2: sieving the crushed stones using a stone sieving machine;

[0048] S3: pulverize the sieved stones a second time;

[0049] S4: According to the mass parts of the concrete, add 5 parts of cement, 10 parts of water, and 12.5 parts of coarse sand to the mortar mixer and stir evenly, and then continue to add the remaining 12.5 parts of coarse sand to it and stir again to form a mixed mortar;

[0050] S5: Transfer the mixed mortar to a stone mortar mixer, add 35 parts of crushed stone, 0.15 parts of graphene, and 15 parts of water reducing agent while stirring, and stir to form concrete.

[0051] A screen with an aperture of 25mm is installed on the stone sieving machine; the material of the screen is...

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PUM

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Abstract

The invention discloses graphene-modified concrete and belongs to the field of concrete. The graphene-modified concrete is prepared from the following components in parts by weight: 5-20 parts of cement, 25-40 parts of coarse sand, 35-48 parts of stones, 10 parts of water, 0.05-0.15 parts of graphene and 5-15 parts of a water reducing agent. The graphene-modified concrete has the characteristics of being simple in preparation technology, low in cost and short in complete coagulation time. Compared with common concrete, the graphene-modified concrete is capable of resisting higher external force, the complete coagulation time can be shortened into 10d from 28d required for complete coagulation of the common concrete, and the dosage can be reduced by 25%.

Description

technical field [0001] The invention relates to the field of concrete, and more specifically, to a graphene-modified concrete and a manufacturing method thereof. Background technique [0002] Graphene is a two-dimensional crystal exfoliated from multilayer graphite, which has excellent properties such as high strength, high transparency, good flexibility, and good electrical and thermal conductivity. Concrete is an essential building material where we live, work, play and more. We add graphene to concrete. On the one hand, the existing concrete is mainly composed of cement, stone, sand and water. The amount of cement is relatively large. It is made in a certain process, which makes the concrete process relatively complicated and the cost is high. [0003] Chinese patent document CN106167384A discloses a kind of concrete, which is obtained by mixing cement, sand, stones, water, water reducer, phenolic fiber and montmorillonite; wherein, relative to 1000kg of stones, the amo...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B14/02
CPCC04B28/00C04B14/02C04B14/06C04B14/024C04B2103/302
Inventor 敖翔
Owner 中康建设管理(集团)股份有限公司
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