Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

A kind of C30 high impermeability concrete with low glue material consumption and preparation method thereof

A concrete and low-cementation technology, applied in the field of building materials, can solve the problems of lack of effective monitoring of impermeability performance and insufficient impermeability, and achieve the effects of improving the structure of the interface transition zone, reducing the microhardness and reducing the cost.

Active Publication Date: 2021-09-21
WUHAN UNIV OF TECH
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, the sources of raw materials for concrete mixing plants have changed, and more attention has been paid to the workability and strength parameters of concrete. The lack of effective monitoring of the anti-seepage performance has resulted in the occurrence of insufficient impermeability from time to time.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A C30 impermeable concrete with a low amount of glue material, the components and contents of the C30 high impermeability concrete with a low amount of cementitious material are as follows: 3 The concrete contains 130 parts of cement, 55 parts of fly ash, 90 parts of mineral powder, 18 parts of silica fume, 25 parts of stone powder, 35 parts of modified metakaolin, 520 parts of machine-made sand, 350 parts of river sand, and 1020 parts of crushed stone. 5.4 parts of carboxylic acid water reducer, 170 parts of water; the modified metakaolin is prepared by exciting modification with 0.5% epoxy silane coupling agent, 1% polystyrene and 3% gypsum accounting for the mass of metakaolin. The amount of each cementitious material can be taken as the lower limit, while ensuring the maximum strength, it also has excellent impermeability.

Embodiment 2

[0032] The difference between this embodiment and Example 1 is: a C30 impermeable concrete with a low amount of cementitious material, and the components and contents of the C30 high impermeable concrete with a low amount of cementitious material are as follows: 3 The concrete contains 130 parts of cement, 55 parts of fly ash, 90 parts of mineral powder, 18 parts of silica fume, 25 parts of stone powder, 20 parts of modified metakaolin, 520 parts of machine-made sand, 350 parts of river sand, and 1020 parts of crushed stone. 5.4 parts of carboxylic acid water reducer and 170 parts of water; the modified metakaolin is prepared by excitation modification with 1.5% epoxy silane coupling agent, 3% polystyrene and 7% gypsum accounting for the mass of metakaolin.

Embodiment 3

[0034] The difference between this embodiment and Example 1 is: a C30 impermeable concrete with a low amount of cementitious material, and the components and contents of the C30 high impermeable concrete with a low amount of cementitious material are as follows: 3 The concrete contains 130 parts of cement, 55 parts of fly ash, 90 parts of mineral powder, 18 parts of silica fume, 25 parts of stone powder, 20 parts of modified metakaolin, 520 parts of machine-made sand, 350 parts of river sand, and 1020 parts of crushed stone. 5.4 parts of carboxylic acid water reducer and 170 parts of water; the modified metakaolin is prepared by exciting modification with 1% epoxy silane coupling agent, 2% polystyrene and 5% gypsum accounting for the mass of metakaolin.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
particle diameteraaaaaaaaaa
Login to View More

Abstract

The invention relates to a C30 high-impermeability concrete with low glue consumption and a preparation method thereof. A kind of C30 high-impermeability concrete with low glue content, each component and content are as follows: per m 3 In concrete, 100-190 parts of cement, 30-80 parts of fly ash, 50-100 parts of mineral powder, 0-50 parts of silica fume, 0-65 parts of stone powder, 10-40 parts of modified metakaolin, and 300-590 parts of machine-made sand 220-550 parts of river sand, 650-1100 parts of gravel, 3-8 parts of polycarboxylate superplasticizer, 160-180 parts of water; the modified metakaolin is made of epoxy silane coupling agent, poly Styrene and gypsum are prepared by exciting modification of kaolin. The C30 impermeable concrete with low glue consumption provided by the invention has the advantages of less cement consumption, high strength and good impermeability.

Description

technical field [0001] The invention belongs to the field of building materials, in particular to a C30 high impermeability concrete with a low amount of cementitious material and a preparation method thereof. Background technique [0002] The impermeability of concrete includes the resistance to the diffusion of liquid substances, gaseous substances, and salt ions. There is a certain relationship between concrete impermeability and durability. Impermeability is not only related to the waterproof and water-retaining effect of concrete, but also has an impact on concrete frost resistance, chemical corrosion resistance and carbonation resistance. [0003] In commercial concrete mixing plants, the most used concrete is medium and low-strength concrete, such as C30 concrete. In recent years, the sources of raw materials for concrete mixing plants have changed, and more attention has been paid to the workability and strength parameters of concrete. The lack of effective monitori...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/06
CPCC04B28/06C04B2111/00293C04B2201/50C04B7/02C04B18/08C04B18/141C04B18/146C04B14/02C04B14/106C04B14/06C04B24/42C04B24/2676C04B22/143C04B2103/302
Inventor 水中和马黎孙涛瞿森勇胡腾
Owner WUHAN UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products