Preparation process of self-drainage concrete block

A concrete block and preparation technology, which is applied in the direction of manufacturing tools, ceramic molding machines, molds, etc., can solve problems such as dredging of rainwater, excessive water accumulation on the road surface, unfavorable road surface cleaning, etc., and achieve the effect of improving quality

Active Publication Date: 2020-12-25
洪启华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the concrete blocks we use now are closed structures. When encountering heavy natural rainfall, it is difficult to dr

Method used

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  • Preparation process of self-drainage concrete block
  • Preparation process of self-drainage concrete block
  • Preparation process of self-drainage concrete block

Examples

Experimental program
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Embodiment 1

[0044] see Figure 1-2 and Figure 7 , a preparation process of self-draining concrete blocks, comprising the following preparation process steps:

[0045] S1. Prepare concrete pouring material: select cement, fly ash, fine sand, silica powder, bentonite, waterproofing agent, preservative, and coagulant with a certain mass ratio as raw materials, and mix and stir each raw material with water to obtain concrete pouring material;

[0046] S2. Prepare the pouring mold: the pouring mold is cleaned and dried in advance, and an opening forming device is embedded in the pouring mold, and the concrete pouring material obtained in S1 is introduced into the pouring mold, molded into the mold, and released after cooling. The block body 11 with self-drainage function is obtained by molding;

[0047] S3. Oxidation of concrete blocks: put the block body 11 obtained in S2 into a curing box for carbon dioxide steam curing at a curing temperature of 40-60°C. The block body 11 is coated with...

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Abstract

The invention discloses a preparation process of a self-drainage concrete block, and belongs to the technical field of preparation processes of concrete blocks. A trepanning forming device is arrangedin a cavity of a pouring mold, and after a concrete pouring material is introduced into the cavity through a pouring port, the concrete pouring material covers the whole cavity and wraps the end faceof the trepanning forming device. After demolding, the obtained block body is separated from the cavity and the trepanning forming device. A trepanning structure matched with the trepanning forming device is formed on the block body, so that water drainage of the block body in the using process is facilitated, and a large amount of rainwater can be rapidly dredged to a certain extent. Meanwhile,through cooperation of a pneumatic mechanism and multiple crunching rods on a cavity opening die roller, after the concrete pouring material is poured, pneumatic control is continuously and intermittently conducted, the multiple crunching rods stretch out and draw back in a reciprocating mode back and forth, and therefore a compaction effect on the concrete pouring material is achieved, and the quality of the concrete block is effectively improved.

Description

technical field [0001] The invention relates to the field of preparation technology of concrete block, more specifically, relates to a preparation technology of self-draining concrete block. Background technique [0002] Concrete refers to the collective name of engineering composite materials that use cementitious materials to cement aggregates into a whole. Generally, it refers to the use of cement as cementitious material, sand and stone as aggregates, and water (may contain admixtures and admixtures) It is mixed and prepared according to a certain proportion, and the cement concrete obtained by mixing is widely used in civil engineering construction. [0003] At present, in the field of civil engineering construction, concrete blocks are widely used to build subgrade surfaces. Pavement bricks are a kind of pavement material, mainly used for laying concrete pavements such as urban road sidewalks, urban squares, and ground engineering blocks and slabs. Etc., a wide range ...

Claims

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Application Information

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IPC IPC(8): C04B28/00B28B11/24B28B7/18B28B7/00B28B1/093
CPCC04B28/00B28B7/183B28B7/0002B28B1/0935B28B11/245C04B14/06C04B18/08C04B18/146C04B14/104C04B2103/65C04B2103/67C04B2103/12
Inventor 夏汝心
Owner 洪启华
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