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Rapid ground leveling mortar

A leveling mortar and fast technology, applied in the field of leveling mortar, can solve the problems of low construction efficiency, low early strength, and easy cracking cost of leveling mortar, and achieve the effect of high construction efficiency, high density and small shrinkage rate.

Inactive Publication Date: 2017-05-31
VASA MORTAR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a mortar capable of quickly leveling the ground, which can effectively solve the problems of low construction efficiency, low early strength, easy cracking and high cost of the existing common ground leveling mortar

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] 250 parts of 42.5 grade rapid hardening sulfoaluminate cement, 597 parts of 10-140 mesh river sand, 140 parts of slag powder, 0.6 part of water reducer, 0.4 part of hydroxypropyl cellulose ether, 1 part of borax, 0.4 part of lithium carbonate , 0.5 parts of defoamer, and 10 parts of latex powder are put into the mixer and stirred evenly, and the ground quick leveling mortar powder is obtained.

[0020] During the test, the ratio of powder to water during the construction of the prepared ground quick leveling mortar was 1:0.2, and the performance indicators tested according to the building materials industry standard of the People's Republic of China (JC / T 2326-2015 leveling mortar for construction) are shown in Table 1:

[0021] Table 1-Example 1 prepared ground rapid leveling mortar test results

[0022]

Embodiment 2

[0024] Mix 200 parts of 42.5 grade quick-hardening sulfoaluminum salt cement, 50 parts of portland cement, 588 parts of 10-140 mesh river sand, 150 parts of heavy calcium powder, 10 parts of metakaolin, 0.6 parts of water reducer, 0.3 parts of hydroxypropyl Put cellulose ether, 0.2 part of lithium sulfate, 0.5 part of tartaric acid, and 0.5 part of defoamer into a mixer and stir evenly to obtain ground quick leveling mortar powder.

[0025] During the test, the ratio of powder to water during the construction of the prepared ground quick leveling mortar was 1:0.2, and the performance indicators tested according to the building materials industry standard of the People's Republic of China (JC / T 2326-2015 leveling mortar for construction) are shown in Table 2:

[0026] Table 2-Example 2 prepared ground rapid leveling mortar test results

[0027]

[0028]

Embodiment 3

[0030] 250 parts of 42.5-grade quick-hardening sulfur-aluminum salt cement, 597.5 parts of 10-140 mesh river sand, 140 parts of heavy calcium powder, 10 parts of metakaolin, 0.8 parts of water reducer, 0.4 parts of hydroxypropyl cellulose ether, 0.2 parts of sulfuric acid Lithium, 0.5 parts of sodium gluconate, and 0.6 parts of defoamer are put into a mixer and stirred evenly to obtain ground quick leveling mortar powder.

[0031] During the test, the ratio of powder to water during the construction of the prepared ground quick leveling mortar was 1:0.2, and the performance indicators tested according to the building materials industry standard of the People's Republic of China (JC / T 2326-2015 building leveling mortar) are shown in Table 3:

[0032] Table 3-Example 3 prepared ground rapid leveling mortar test results

[0033]

[0034]

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Abstract

The invention discloses rapid ground leveling mortar. The rapid ground leveling mortar is prepared from the following raw materials in parts by weight: 200 to 350 parts of cementing material, 500 to 600 parts of aggregate, 100 to 200 parts of filler, 0.5 to 1.0 part of water reducing agent, 0.3 to 1.0 part of water retaining agent, 0 to 20 parts of latex powder, 0 to 1 part of retarder, 0 to 1 part of early strength agent and 0 to 1 part of anti-foaming agent. The rapid ground leveling mortar has a high levelling property and a high self-healing property, is free from sedimentation and bleeding, has high bonding strength with a base layer, is easy and convenient for ground construction, and can be used for realizing mechanical large-scale rapid construction; meanwhile, accurate ground leveling of 10 to 60mm in thickness can be realized, the single construction thickness is larger than 10mm, and fracturing and hollowing are avoided while the maximum single construction thickness is up to 60mm; people can tread on the ground 2 to 4 hours after construction, the strength can be up to the final strength of ordinary M15 ground mortar after 24 hours, a construction flow is realized, high construction efficiency and low labor strength are achieved, and the ground leveling construction period can be greatly shortened.

Description

technical field [0001] The invention relates to a leveling mortar, in particular to a quick ground leveling mortar. Background technique [0002] At present, the leveling materials for home decoration and large-scale public places are mostly made of ordinary ground leveling mortar or cement mortar mixed on site. At present, the disadvantages of these materials are: (1) The product quality is difficult to control, and the flatness is mainly determined by the level of the master worker; (2) The strength of ordinary ground leveling mortar and ready-mixed cement mortar is low the next day, and there is no early strength As a result, the moisture content of the base layer is high, and PVC materials cannot be paved; (3) the construction efficiency is low and the labor intensity is high; (4) the shrinkage rate of ordinary ground leveling mortar and ready-mixed cement mortar is relatively large, the later strength is low, and it is easy to Sanding occurs. Furthermore, the traditio...

Claims

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Application Information

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IPC IPC(8): C04B28/06C04B28/04C04B111/60
CPCC04B28/06C04B28/04C04B2111/60C04B2201/50C04B14/068C04B2103/302C04B24/383C04B22/0013C04B22/10C04B2103/50C04B2103/0045C04B18/141C04B7/02C04B14/106C04B22/147C04B24/06C04B14/28
Inventor 赵明慧裴聚超
Owner VASA MORTAR CO LTD
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