Self-leveling dry powder mortar and preparation method thereof, terrace manufactured from dry powder mortar, and construction method of terrace

A dry-mixed mortar and self-leveling technology, used in buildings, building structures, floors, etc., can solve the problems of unstable quality, easy bursting, and material inconsistency of on-site mixing mortar, so as to reduce labor and machine equipment costs. High compressive strength and density, toughness and crack resistance

Active Publication Date: 2016-11-16
南京徽腾环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limitations of the construction site, factors such as uneven preparation ratio during the mortar preparation process, inconsistency of materials, and uneven quality of on-site workers will cause instability in the quality of on-site mixing mortar.
The quality of mortar performance determines the quality of concrete construction, but because the quality of mortar cannot be guaranteed on site, it will also cause a series of quality accidents, such as sand on the floor, poor flatness, poor density, and easy to burst And other issues
At present, cement mortar is used as the floor material, and most of the construction is manual. It needs to go through the process of mortar mixing, pouring, initial leveling, vibrating, batching, and maintenance. Each process is time-consuming and labor-intensive, and the production efficiency is low. Construction Increased cost and serious environmental pollution

Method used

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  • Self-leveling dry powder mortar and preparation method thereof, terrace manufactured from dry powder mortar, and construction method of terrace
  • Self-leveling dry powder mortar and preparation method thereof, terrace manufactured from dry powder mortar, and construction method of terrace
  • Self-leveling dry powder mortar and preparation method thereof, terrace manufactured from dry powder mortar, and construction method of terrace

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Raw materials: Ordinary Portland cement 42%, 4-8 mesh quartz sand 12%, 10-30 mesh quartz sand 30%, 60-140 mesh quartz sand 10%, methyl cellulose MT400 0.1%, dispersible latex powder 5111L 2%, superplasticizer F10 0.4%, defoamer P803 0.4%, rutile titanium dioxide 0.6%, and high-strength and high-modulus polyvinyl alcohol fiber 2.5%.

[0022] The preparation method includes: mixing 4-8 mesh quartz sand, 10-30 mesh quartz sand, and 60-140 mesh quartz sand for 2 minutes, adding ordinary Portland cement, methyl cellulose MT400, dispersible latex powder 5111L, high-efficiency reducing Water agent F10, defoamer P803, rutile titanium dioxide and high-strength and high-modulus polyvinyl alcohol fiber are mixed for 25 minutes to prepare dry powder mortar.

Embodiment 2

[0024] The preparation method is the same as that of Example 1, except that the components and contents of the raw materials are: 48% of ordinary Portland cement, 8% of 4-8 mesh emery aggregate, 20% of 10-30 mesh quartz sand, 60 -140 mesh quartz sand 20%, methyl cellulose HPMC-500 0.05%, dispersible latex powder 5011L 1%, superplasticizer F10 0.2%, defoamer P803 0.2%, rutile titanium dioxide 0.55% and high strength and high modulus Vinyl fibers 2%.

[0025] As shown in Figure 1, the surface layer type self-leveling floor is made by using the dry powder mortar provided in Example 1-2, which includes a base surface 1, an interface layer 2 and a cement-based self-leveling floor 3 from bottom to top.

[0026] The construction method of the floor of the present invention includes: mixing the interface agent styrene-acrylic polymer emulsion 5181 and water according to the mass ratio of 1:6 and 1:3 respectively, and then infiltrating them on the base surface sequentially to form an i...

Embodiment 3

[0032] Design 7 groups of parallel experiments, basic steps are identical with embodiment 1, difference is the component content of raw material, is respectively:

[0033] 1. Ordinary Portland cement 40%, 4-8 mesh alumina aggregate 11%, 10-30 mesh quartz sand 26.32%, 60-140 mesh quartz sand 18%, methyl cellulose MT400 0.08%, dispersible latex Powder 5111L 1.5%, superplasticizer F100.3%, defoamer P803 0.3%, rutile titanium dioxide 0.3%, and high-strength and high-modulus polyvinyl alcohol fiber 2.2%;

[0034] 2. Ordinary Portland cement 42%, 4-8 mesh alumina aggregate 12%, 10-30 mesh quartz sand 30%, 60-140 mesh quartz sand 10%, methyl cellulose MT400 0.1%, dispersible latex Powder 5111L 2%, superplasticizer F10 0.4%, defoamer P803 0.4%, rutile titanium dioxide 0.6%, and high-strength and high-modulus polyvinyl alcohol fiber 2.5%;

[0035]3. Ordinary Portland cement 45%, 4-8 mesh alumina aggregate 11%, 10-30 mesh quartz sand 24%, 60-140 mesh quartz sand 14.72%, methyl cellulos...

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Abstract

The invention discloses self-leveling dry powder mortar and a preparation method thereof, a terrace manufactured from the dry powder mortar, and a construction method of the terrace. The dry powder mortar is prepared from common portland cement, 4-8-mesh mineral substance aggregates, 10-30-mesh quartz sand, 60-140-mesh quartz sand, methycellulose, dispersible emulsion powder, a high-efficiency water reducing agent, an antifoaming agent, rutile type titanium dioxide and high-strength high-mold polyvinylalcohol fibers. The preparation method comprises the following steps of after the three kinds of the mineral substance aggregates are blended, adding the common portland cement, the methycellulose, the dispersible emulsion powder, the high-efficiency water reducing agent, the antifoaming agent, the rutile type titanium dioxide and the high-strength high-mold polyvinylalcohol fibers, and performing blending. The self-leveling dry powder mortar and the preparation method thereof disclosed by the invention have the advantages that the dry powder mortar is high in surface compressive strength, high in density, high in tenacity and high in crack resistance; besides, the self-leveling dry powder mortar is full and bright in color, and has definite decoration properties; and in addition, the preparation technology is simple, complicated synthesis equipment is not needed, the production cost is reduced, and the self-leveling dry powder mortar is environmentally-friendly and pollution-free.

Description

technical field [0001] The invention belongs to the field of floor materials, and in particular relates to a self-leveling dry powder mortar and a preparation method thereof, and also relates to a floor prepared by using the dry powder mortar and a construction method thereof. Background technique [0002] With the vigorous development of the country's infrastructure, the construction of major projects such as various industrial plants, business districts and office buildings is currently at the forefront of the world. In the construction of various large-scale projects, self-leveling mortar has been valued as a new technology and material in China, and it has been widely used in square and road construction. However, self-leveling mortar is the mortar system with the highest technical requirements and the most complex. There are problems such as hollowing and cracking in the attenuation of the bond strength of the surface concrete. [0003] Most of the existing floor mate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B20/00C04B14/06E04F15/12
CPCC04B20/0076C04B28/04E04F15/12C04B14/06C04B24/383C04B2103/0057C04B2103/302C04B2103/50C04B14/305C04B16/0641C04B14/324C04B14/303
Inventor 杨晓松
Owner 南京徽腾环保科技有限公司
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