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

Durable recycled concrete and preparation method thereof

A recycled concrete and durable technology, applied in the field of concrete, can solve the problems of poor durability of recycled concrete, and achieve the effects of improving compatibility, reducing infiltration, and lasting expansion state

Inactive Publication Date: 2021-03-12
温州市三箭混凝土有限公司
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to improve the problem of poor durability of recycled concrete, the application provides a durable recycled concrete and its preparation method

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Durable recycled concrete and preparation method thereof
  • Durable recycled concrete and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0030] Preparation of mulberry leaf powder: Harvest mature mulberry leaves, freeze them at -10°C for 12 hours, take out the mulberry leaves and thaw them, then add 0.1wt% sodium bicarbonate solution to water at 90°C, and place the thawed mulberry leaves in it for 3 minutes , taking out the blanched mulberry leaves, washing them with clear water, drying the rinsed mulberry leaves in an environment of 90° C., and crushing them into uniform powder to obtain mulberry leaf powder.

[0031] Unless otherwise specified, the raw materials used in the following embodiments can all come from commercially available sources.

Embodiment 1

[0034] This application discloses a durable recycled concrete, which includes the following raw materials: cement, recycled coarse aggregate, recycled fine aggregate, water, mulberry leaf powder, and water reducer PCE. The preparation process includes the following steps:

[0035] S1. Preparation of concrete; mix 60 parts of cement, 50 parts of recycled coarse aggregate, 40 parts of recycled fine aggregate, 10 parts of mulberry leaf powder and 1 part of water reducing agent PCE, then add 40 parts of water and stir evenly to prepare Get concrete.

[0036] The content of each component is shown in Table 1-1 below.

Embodiment 2

[0038] This application discloses a durable recycled concrete, which includes the following raw materials: cement, recycled coarse aggregate, recycled fine aggregate, water, mulberry leaf powder, and water reducer PCE. The preparation process includes the following steps:

[0039] S1. Preparation of concrete; mix 80 parts of cement, 60 parts of recycled coarse aggregate, 50 parts of recycled fine aggregate, 15 parts of mulberry leaf powder and 2 parts of water reducer PCE, then add 50 parts of water and stir evenly to prepare Get concrete.

[0040] The content of each component is shown in Table 1-1 below.

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
particle diameteraaaaaaaaaa
Login to View More

Abstract

The invention relates to the field of concrete, and particularly discloses durable recycled concrete and a preparation method thereof. The durable recycled concrete comprises the following raw materials: cement, recycled coarse aggregate, recycled fine aggregate, water, mulberry leaf powder and a water reducing agent. The preparation method comprises the following steps of S1, preparing concrete,and uniformly stirring and mixing the cement, the recycled coarse aggregate, the recycled fine aggregate, the mulberry leaf powder and the water reducing agent, adding water, and uniformly stirring toobtain the concrete. According to the durable recycled concrete disclosed by the invention, the mulberry leaf powder is added and is filled in micro cracks and pores between the recycled coarse aggregate and the recycled fine aggregate, so that the overall density of the concrete is increased, the mulberry leaf powder contains a large amount of cellulose and mineral substances, and the celluloserestrains further expansion of cracks, the stability and firmness of the internal structure of the concrete are improved, and the structural strength of the concrete is better due to the addition of minerals, so that the durability of the concrete is comprehensively improved, and the concrete is more durable.

Description

technical field [0001] The present application relates to the field of concrete, and more particularly, it relates to a durable recycled concrete and its preparation method. Background technique [0002] Recycled concrete is concrete prepared by replacing or partially replacing natural aggregates with recycled aggregates. Among them, recycled aggregate is formed by mixing waste concrete blocks in a certain proportion after crushing, cleaning and grading. [0003] For example, the Chinese invention patent with the patent publication number CN101139193A discloses a recycled concrete composite material and its preparation method. The recycled concrete composite material is made of the following raw materials, and the mass percentage of each component is recycled coarse aggregate prepared from construction waste slag 37-53%, 14-30% recycled fine aggregate prepared from construction waste residue, 6-14% industrial waste sand, 14-18% ordinary cement, 6-8% water, the sum of the ab...

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 Applications(China)
IPC IPC(8): C04B28/00
CPCC04B28/00C04B14/06C04B14/02C04B24/124C04B24/126C04B18/24C04B2103/302C04B24/121
Inventor 黄炎孝陈辉阮茜茜
Owner 温州市三箭混凝土有限公司
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