Green and environment-friendly high-toughness building material and preparation method thereof

A kind of building materials, green and environmental protection technology, applied in the field of building materials, can solve the problems of affecting the service life of structural durability projects, low concrete tensile strength, difficult to control crack width, etc., to achieve the reduction of microstructure defects, high workability, low The effect of viscosity

Inactive Publication Date: 2018-08-03
HEFEI ZEJUN ELECTRICAL EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Concrete has the disadvantages of low tensile strength, poor toughness, and difficulty in controlling the width of cracks after cracking.
Cracks in concrete structures directly af

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A green and environmentally friendly high-toughness building material provided in this embodiment includes the following raw materials in parts by weight: 49 parts of Portland cement, 8 parts of blast furnace slag, aluminum silicate fiber cotton 9 parts, 2 parts of calcium sulfonate, 7 parts of modified wollastonite, 11 parts of polyester fiber, 9 parts of masterbatch, 1.5 parts of water reducing agent, 2.3 parts of toughening agent, and 0.6 parts of flame retardant.

[0023] As a preferred solution, the water reducer includes the following raw materials in weight percentage: 51% superplasticizer, 0.9% plastic retaining agent, 0.21% air-entraining agent, 0.3% defoamer, and the rest is water. The sum of the weight percentages is 100%.

[0024] As a preferred solution, the toughening agent is obtained from thermoplastic polyolefin elastomer grafts and polyolefins through mixing and grafting reactions, wherein, in parts by mass, thermoplastic polyolefin elastomer grafts 75...

Embodiment 2

[0032] A green and environmentally friendly high-toughness building material provided in this embodiment includes the following raw materials in parts by weight: 21 parts of Portland cement, 12 parts of blast furnace slag, aluminum silicate fiber cotton 3 parts, 8 parts of calcium sulfonate, 4 parts of modified wollastonite, 17 parts of polyester fiber, 2 parts of masterbatch, 2.3 parts of water reducing agent, 1.6 parts of toughening agent, and 1.8 parts of flame retardant.

[0033] As a preferred solution, the water reducer includes the following raw materials in weight percentage: 48% of superplasticizer, 1.7% of plastic retaining agent, 0.1% of air-entraining agent, 0.45% of defoamer, and the rest is water. The sum of the weight percentages is 100%.

[0034] As a preferred solution, the toughening agent is obtained from thermoplastic polyolefin elastomer grafts and polyolefins through mixing and grafting reactions, wherein, in parts by mass, thermoplastic polyolefin elasto...

Embodiment 3

[0042] A green and environmentally friendly high-toughness building material provided in this embodiment includes the following raw materials in parts by weight: 39 parts of Portland cement, 9 parts of blast furnace slag, aluminum silicate fiber cotton 7 parts, calcium sulfonate 2 parts, modified wollastonite 6 parts, polyester fiber 11 parts, masterbatch 5 parts, water reducing agent 1.5 parts, toughening agent 2.1 parts, flame retardant 0.6 parts.

[0043] As a preferred solution, the water reducer includes the following raw materials in weight percentage: 51% superplasticizer, 0.9% plastic retaining agent, 0.21% air-entraining agent, 0.3% defoamer, and the rest is water. The sum of the weight percentages is 100%.

[0044] As a preferred solution, the toughening agent is obtained from thermoplastic polyolefin elastomer grafts and polyolefins through mixing and grafting reactions, wherein, in parts by mass, thermoplastic polyolefin elastomer grafts 45 Parts, polyolefin 25 pa...

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PUM

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Abstract

The invention belongs to the technical field of building materials and provides a green and environment-friendly high-toughness building material and a preparation method thereof. A formula of the building material comprises the following components: portland cement, blast-furnace slag, aluminum silicate fiber cotton, calcium sulfonate, modified wollastonite, polyester fibers, color master batch,a water reducing agent, a toughening agent and a flame retardant. The building material prepared from the components through a reasonable content ratio can overcome the disadvantages that concrete haslow tensile strength and poor toughness, the crack width is difficult to control after cracking and the like; early cracking of the concrete is prevented and the toughness is improved.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a green and environment-friendly high-toughness building material and a preparation method thereof. Background technique [0002] Building materials are the basis of construction engineering. Its main components include cement, admixtures and aggregates, which are hardened after adding water and stirring. It has the advantages of simple process and fire resistance. New building materials include a wide range, including thermal insulation materials, heat insulation materials, high-strength materials, and materials that can breathe. Concrete has the disadvantages of low tensile strength, poor toughness, and difficulty in controlling the crack width after cracking. Concrete structure cracks directly affect the durability of the structure and the service life of the project, eventually leading to premature deterioration of the concrete structure or even comple...

Claims

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Application Information

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IPC IPC(8): C04B28/04
CPCC04B28/04C04B18/141C04B14/4656C04B24/16C04B14/043C04B16/0683C04B2103/54C04B2103/63C04B24/2611C04B2103/32C04B2103/0068C04B2103/304C04B2103/50
Inventor 徐仙峰
Owner HEFEI ZEJUN ELECTRICAL EQUIP CO LTD
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