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Preparation method of concrete material containing active additives

An active additive and concrete technology, applied in the field of concrete materials, can solve problems such as insufficient mechanical strength and impermeability

Active Publication Date: 2021-05-11
ANHUI POLYTECHNIC UNIV MECHANICAL & ELECTRICAL COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a preparation method of concrete materials containing active additives, which solves the problem of insufficient overall mechanical strength and impermeability of traditional concrete materials

Method used

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  • Preparation method of concrete material containing active additives
  • Preparation method of concrete material containing active additives

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preparation example Construction

[0016] The invention provides a kind of preparation method of the concrete material containing active additive, and described preparation method comprises:

[0017] (1) Preparation of material A: mix allophane, potassium carbonate powder and hydrochloric acid solution, undergo the first heat treatment and the second heat treatment in turn, and obtain material A after grinding;

[0018] (2) Preparation of material B: mix tartaric acid, maleic acid, ammonium formate, calcium metaaluminate, oxalic acid, sodium tartrate and calcium chloride, and obtain material B after drying, sieving, roasting and grinding;

[0019] (3) Preparation of material C: mix sodium silicate, sodium citrate, zinc formate, calcium carbonate, potassium carbonate, sodium acetate trihydrate, calcium formate, calcium metaaluminate and calcium chloride, dry and sieve , roasting and grinding to obtain material C;

[0020] (4) After mixing material A, material B and material C, active additives are obtained thro...

Embodiment 1

[0045] The waterproof material is prepared according to the above preparation method, wherein the concrete material includes the following raw material components in parts by weight: 100 parts of Portland cement, 0.4 parts of active additives, 15 parts of sodium silicate, 50 parts of quartz sand and 110 parts of water The weight ratio of material A, material B and material C is: 0.2:2:10; in material A, the weight ratio of allophane and potassium carbonate is 1:0.11; the weight percentage content of each component in the material B It is: 10% of tartaric acid, 0.5% of maleic acid, 0.3% of ammonium formate, 40% of calcium metaaluminate, 0.4% of oxalic acid, 4% of sodium tartrate and the balance of calcium chloride; the weight of each component in the material C The percentage content is: sodium silicate 4%, sodium citrate 3%, zinc formate 0.5%, calcium carbonate 2%, potassium carbonate 5%, sodium acetate trihydrate 2%, calcium formate 0.2%, calcium metaaluminate 32% and The rem...

Embodiment 2

[0047] The waterproof material is prepared according to the above preparation method, wherein the concrete material includes the following raw material components in parts by weight: 100 parts of Portland cement, 0.6 parts of active additives, 22 parts of sodium silicate, 55 parts of quartz sand and 120 parts of water The weight ratio of material A, material B and material C is: 0.6:4:10; in material A, the weight ratio of allophane and potassium carbonate is 1:0.13; the weight percentage content of each component in the material B It is: 13% of tartaric acid, 0.7% of maleic acid, 0.5% of ammonium formate, 49% of calcium metaaluminate, 0.6% of oxalic acid, 7% of sodium tartrate and the balance of calcium chloride; the weight of each component in the material C The percentage content is: sodium silicate 7%, sodium citrate 6%, zinc formate 0.7%, calcium carbonate 6%, potassium carbonate 7%, sodium acetate trihydrate 6%, calcium formate 0.5%, calcium metaaluminate 35% and The rem...

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Abstract

The invention discloses a preparation method of a concrete material containing active additives. The preparation method comprises: mixing allophane, potassium carbonate powder and hydrochloric acid solution, and performing the first heat treatment and the second heat treatment in sequence , to obtain material A after grinding; mix tartaric acid, maleic acid, ammonium formate, calcium metaaluminate, oxalic acid, sodium tartrate and calcium chloride, and obtain material B after drying, sieving, roasting and grinding; Sodium silicate, sodium citrate, zinc formate, calcium carbonate, potassium carbonate, sodium acetate trihydrate, calcium formate, calcium metaaluminate and calcium chloride are mixed, and material C is obtained after drying, sieving, roasting and grinding; After mixing material A, material B and material C, the active additive is obtained through roasting and secondary tempering treatment; the concrete material is obtained by mixing portland cement, active additive, sodium silicate, quartz sand and water. It solves the problem of insufficient overall mechanical strength and impermeability of traditional concrete materials.

Description

technical field [0001] The invention relates to the field of concrete materials, in particular to a method for preparing concrete materials containing active additives. Background technique [0002] The waterproof material is the building envelope to prevent the penetration of rainwater, snow water and groundwater; to prevent the erosion of moisture, steam and other harmful gases and liquids in the air; the separation structure to prevent the seepage of water supply and drainage. These materials that prevent penetration, leakage and erosion are collectively referred to. For example, the invention with the patent number CN2017100474779 discloses a cement-based osmotic crystalline waterproofing agent, including components represented by the following parts by weight: 570-630 parts of Portland cement; 275-325 parts of quartz sand; 95 parts of fly ash -105 parts; 2-17 parts of water reducing agent; 80-95 parts of osmotic crystallization masterbatch; osmotic crystallization mast...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/26C04B22/12C04B111/27C04B103/65
CPCC04B28/26C04B40/0039C04B2103/65C04B2111/27C04B2201/50C04B2201/52C04B7/02C04B14/06C04B22/10C04B22/00C04B22/0093C04B22/124C04B12/04
Inventor 赵浩峰张椿英夏俊陈姗姗韩海东岳浩
Owner ANHUI POLYTECHNIC UNIV MECHANICAL & ELECTRICAL COLLEGE
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