Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Concrete slurry suitable for high temperature construction environment

A technology of concrete slurry and high temperature construction, applied in the field of concrete, can solve the problems of fast evaporation of water, affecting the application of concrete, and unusable concrete.

Inactive Publication Date: 2018-10-19
芜湖恒固混凝土材料有限公司
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Commodity concrete is also called centralized mixing concrete, that is, the concrete mixed in the traditional on-site construction site is gathered together to set up a mixing station, and the concrete mixed by it is transported to the construction site by a mixer truck, and then transported to the building by a pump truck through a pump pipe. At the construction level, if there is no retarding treatment, especially in summer high temperature weather, the moisture will evaporate quickly, and the concrete will harden and cannot be used even before it is transported to the construction site, which will seriously affect the application of concrete

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

preparation example Construction

[0017] The present invention also provides a method for preparing concrete slurry suitable for high temperature construction environment, comprising the following steps:

[0018] (1) After ball milling bentonite and kaolin evenly, calcinate at 300-450°C for 2-4h, then mix them with diethylenetriaminepentamethylenephosphonic acid in water, and react with microwave at 100-120°C for 5-10h, Obtain modified mineral powder;

[0019] (2) After mixing polymethacrylic acid, unsaturated glycerol, starch and polyphosphate in water, react at 80-120°C for 2-4h to obtain an intermediate, and then mix the intermediate, chitosan, polyphosphate Alcohol and polyethylene polyamine are mixed uniformly in water, and then reacted under microwave at 60-90°C for 30-90min to obtain retarded intermediate;

[0020] (3) After uniformly dispersing the retarder intermediate, cement, fine sand, pumice, modified mineral powder, and additives in water, continue stirring for 60-150s to obtain a concrete slurr...

Embodiment 1

[0024] A concrete slurry suitable for high-temperature construction environments, made of the following raw materials in parts by weight: 26kg of cement, 32kg of fine sand, 16kg of pumice, 6kg of bentonite, 8kg of kaolin, 2kg of diethylenetriaminepentamethylenephosphonic acid, 10kg chitosan, 6kg glycidyl methacrylate, 3kg starch, 3kg polyethylene adipate, 2kg N,N-diethylbutane-1,4-diamine, 5kg triallyl phosphate , 3kg polymethacrylic acid, 0.5kg polycarboxylate superplasticizer (model PASP-Ca, purchased from Shandong Yuanlian Chemical Co., Ltd.), 1kg sodium dodecylbenzenesulfonate, 0.5kg calcium stearate, 0.5kg Hydroxyethyl methyl reinforced cellulose ether, 0.5kg sodium aluminate.

[0025] The preparation steps of the concrete slurry applicable to the high-temperature construction environment are as follows:

[0026] (1) After ball milling bentonite and kaolin evenly, calcinate at 400°C for 2.5h, then mix them with diethylenetriaminepentamethylenephosphonic acid in water, th...

Embodiment 2

[0030]A concrete slurry suitable for high-temperature construction environments, made of the following raw materials in parts by weight: 30kg of cement, 28kg of fine sand, 12kg of pumice, 8kg of bentonite, 12kg of kaolin, 4kg of diethylenetriaminepentamethylenephosphonic acid, 8kg chitosan, 5kg 2-glycidyl methacrylate, 5kg starch, 1kg polyoxypropylene glycol, 3kg N-hydroxyethylbutylene diamine, 3kg allyl diethyl phosphate, 6kg polymethacrylic acid, 1kg polycarboxylate superplasticizer (model PASP-Ca, purchased from Shandong Yuanlian Chemical Co., Ltd.), 1kg sodium dodecylbenzenesulfonate, 1kg calcium stearate, 1kg hydroxyethyl methyl reinforced cellulose ether, 1kg of anhydrous sodium sulfate.

[0031] The preparation steps of the concrete slurry applicable to the high-temperature construction environment are as follows:

[0032] (1) After ball milling bentonite and kaolin evenly, calcinate at 350°C for 3.5h, then mix them with diethylenetriaminepentamethylenephosphonic acid ...

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

No PUM Login to View More

Abstract

The invention relates to the technical field of concrete, in particular to concrete slurry suitable for a high temperature construction environment. The concrete slurry suitable for the high temperature construction environment is prepared from the following raw materials in weight parts: 15 to 35 weight parts of cement, 20 to 45 weight parts of fine sand, 10 to 20 weight parts of pumice, 5 to 15weight parts of bentonite, 6 to 8 weight parts of kaolin, 2 to 4 weight parts of diethylenetriaminepenta acid, 5 to 12 weight parts of chitosan, 3 to 12 weight parts of unsaturated glycerol, 1 to 5 weight parts of starch, 1 to 5 weight parts of polyhydric alcohol, 2 to 3 weight parts of polyethylene polyamine, 2 to 8 weight parts of poly-phosphate, 2 to 6 weight parts of polymethacrylic acid and 0to 5 weight parts of aids. The concrete slurry suitable for the high temperature construction environment, disclosed by the invention, has a good retarding effect in the high temperature constructionenvironment, has a broad application prospect, and is low in cost and high in economic benefits.

Description

technical field [0001] The invention relates to the technical field of concrete, in particular to a concrete slurry suitable for high-temperature construction environments. Background technique [0002] Concrete has the characteristics of rich raw materials, low price and simple production process, so its consumption is increasing. At the same time, concrete also has the characteristics of high compressive strength, good durability, and a wide range of strength grades. These characteristics make it widely used, not only in various civil engineering, but also in shipbuilding, machinery industry, marine development, geothermal engineering, etc. Concrete is also an important material. [0003] Most of the existing concrete adopts commercial concrete and pumping construction technology. Commodity concrete is also called centralized mixing concrete, that is, the concrete mixed in the traditional on-site construction site is gathered together to set up a mixing station, and the ...

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
IPC IPC(8): C04B28/00
CPCC04B28/00C04B2201/50C04B14/06C04B14/047C04B14/104C04B14/106C04B24/003C04B24/38C04B24/045C04B24/283C04B24/121C04B24/2641C04B2103/302C04B24/20C04B24/085C04B24/383C04B22/0093C04B22/147
Inventor 承忠富
Owner 芜湖恒固混凝土材料有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com