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

Water-permeable cement concrete block and preparation method thereof

A concrete block and permeable concrete technology, applied in the field of materials, can solve the problems of difficult control of concrete block deformation and poor water permeability, and achieve the effects of reducing construction difficulty and storage costs, promoting cement initial setting, and shortening the construction period

Active Publication Date: 2021-02-09
JINAN YELLOW RIVER CONSTR GRP CO LTD
View PDF18 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the problems in existing technologies that the deformation of concrete blocks is difficult to control and the water permeability is poor, the present invention provides a permeable cement concrete block and a preparation method thereof. The dry shrinkage deformation of the cement concrete block prepared by the method is It is small and has good water permeability, which is beneficial to the drainage and water seepage of the paved block road. At the same time, the cement concrete block has a good water retention effect, which is beneficial to inhibit the pollution of ground dust

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

[0031] (1) At room temperature, add 2.5 parts of hectorite to 100 parts of water, stir well and let it stand for 20 hours, then add 300 parts of coarse aggregate, 110 parts of fine aggregate and 80 parts of cement, after stirring evenly, add mica 6 parts of powder, stirred for 25 minutes to obtain permeable concrete paste;

[0032] (2) Pouring the permeable concrete slurry obtained in step (1) into a mold with a specification of 600mm×300mm×200mm, and vibrating to level it;

[0033] (3) After the concrete is initially formed (the process takes 6 hours), it is demoulded, and it is cured indoors at a temperature of 25-33°C for 36 hours, and then it is cured in the open air for 6 days, and watered every 24 hours.

Embodiment 2

[0035] (1) At room temperature, add 5 parts of hectorite to 120 parts of water, stir well and let it stand for 30 hours, then add 500 parts of coarse aggregate, 110 parts of fine aggregate and 120 parts of cement, after stirring evenly, add mica 10 parts of powder, stirred for 30 minutes to obtain permeable concrete paste;

[0036] (2) Pouring the permeable concrete slurry obtained in step (1) into a mold with a specification of 600mm×300mm×200mm, and vibrating to level it;

[0037] (3) After the concrete is initially formed (the process takes 7 hours), it is demoulded, and it is cured indoors at a temperature of 25-33°C for 24 hours, and then it is cured in the open air for 10 days, and watered every 48 hours.

Embodiment 3

[0039] (1) At room temperature, add 4 parts of hectorite to 120 parts of water, stir well and let stand for 25 hours, then add 400 parts of coarse aggregate, 110 parts of fine aggregate and 120 parts of cement, stir well, then add mica 10 parts of powder, stirred for 30 minutes to obtain permeable concrete paste;

[0040] (2) Pouring the permeable concrete slurry obtained in step (1) into a mold with a specification of 600mm×300mm×200mm, and vibrating to level it;

[0041] (3) After the concrete is initially formed (the process takes 6.5 hours), it is demoulded, and it is cured indoors at a temperature of 25-33°C for 48 hours, and then it is cured in the open air for 14 days, and watered every 48 hours.

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
particle diameteraaaaaaaaaa
Login to View More

Abstract

The invention discloses a water-permeable cement concrete block and a preparation method thereof. The water-permeable cement concrete block is prepared from 80-120 parts of cement, 610 parts of mica powder, 100-120 parts of fine aggregate, 300-500 parts of coarse aggregate, 2.5-5 parts of hectorite and 100-120 parts of water. The preparation method comprises the following steps: adding hectorite into water, uniformly stirring, standing for 20-30 hours, adding the coarse aggregate, the fine aggregate and the cement, uniformly stirring, adding the mica powder, and continuously stirring for 20-40minutes to obtain pervious concrete slurry; pouring and molding the pervious concrete slurry, maintaining the molded concrete for 24-72 hours at the temperature of 25-33 DEG C, and then maintaining the molded concrete for 3-14 days in the open air. The cement concrete building block prepared by the method is small in air shrinkage deformation and good in water permeation effect, is beneficial todrainage and water seepage of a paved building block road, has a good water retention effect, and is beneficial to inhibition of ground dust pollution.

Description

technical field [0001] The invention belongs to the technical field of materials, and in particular relates to a permeable cement concrete block and a preparation method thereof. Background technique [0002] In recent years, the production and application technology of concrete blocks has achieved unprecedented development, and the application fields have expanded from construction projects to decoration, municipal, road, water conservancy, ports, gardens, airports and other projects, and their uses have also expanded from single structural functions to devices, structures, Functions such as heat preservation, heat insulation, sound insulation, and sound absorption and their combination can double the value of concrete blocks. The block pavement is low in construction cost, optional in thickness, long in service life, convenient in maintenance, and low in maintenance costs. [0003] Generally, it is relatively simple to put in block structures for urban road construction. ...

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
CPCC04B28/00C04B2111/00284C04B2201/50C04B14/02C04B14/06C04B14/20C04B14/04
Inventor 赵振华
Owner JINAN YELLOW RIVER CONSTR GRP CO LTD
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