A kind of interior wall plastering mortar and its construction method

A plastering mortar and interior wall technology, applied in the field of construction mortar, can solve problems such as flying environment, large deformation stress of plastering interface, pollution, etc., and achieve the effect of saving natural mineral resources, improving bonding strength, and increasing mortar voids

Inactive Publication Date: 2011-12-21
SHENZHEN GRANDLAND DECORATION GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the treatment and utilization rate of construction waste in my country is only 5% at present, and most of the construction waste is transported to the suburbs or villages by the construction unit without any treatment, and is stacked in the open air or landfilled, which consumes a lot of land acquisition fees, garbage removal and transportation costs At the same time, problems such as dust, dust and sand flying in the process of clearing, transporting and stacking have caused serious environmental pollution.
[0003] In current construction projects, lightweight walls such as aerated concrete blocks are often used, and the specific gravity of aerated concrete blocks is about 600-800Kg / m 3 , still use the existing ordinary interior wall plastering mortar, the composition and weight ratio of this mortar is generally: ordinary Portland cement 18-25, limestone sand 60-75, the specific gravity of this mortar is 1700-1800Kg / m 3 , the elastic modulus of this ordinary interior wall plastering mortar is obviously greater than that of the aerated concrete block, and the elastic modulus of the two does not match, resulting in a large deformation stress on the plastering interface, and then hollowing and cracking
On the other hand, most of the existing mortars use limestone sand. Can urban construction waste be better utilized? Can construction waste be applied to mortar aggregate after treatment? This becomes the subject of the applicant's research and development
In the mechanized construction process, due to the large proportion of the existing interior wall plastering mortar, it is easy to cause the mortar machine to block the pump, pipe, and gun, which hinders the smooth progress of the mechanized construction and the construction efficiency is low

Method used

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  • A kind of interior wall plastering mortar and its construction method
  • A kind of interior wall plastering mortar and its construction method
  • A kind of interior wall plastering mortar and its construction method

Examples

Experimental program
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Effect test

Embodiment 1

[0032] The production technology of interior wall plastering mortar of the present invention is as follows:

[0033] Take each component according to the weight shown in Example 1 in Table 1, and the production process is as follows: ordinary Portland cement, slaked lime, light aggregate, heavy aggregate and antibacterial and anti-mildew composite auxiliary agent are mixed according to the above-mentioned specific gravity, and mechanically stirred Evenly, promptly obtain the interior wall plastering mortar of embodiment 1, all can with paper bag packing or bulk.

[0034] Construction method: get 100 kilograms of the interior wall plastering mortar of the embodiment 1 obtained above, add 30 kilograms of water to dilute, mechanically or manually stir until mixing evenly, reach the viscosity that is suitable for mechanical spraying or manual construction (use interior wall in the prior art Mortar experience viscosity) can be mechanized spraying or manual work.

[0035] Perform p...

Embodiment 2

[0037] Obtain the interior wall plastering mortar of embodiment 2 with the weight of each component in the embodiment 2 specified in table 1, repeat the production process described in embodiment 1 (only the weight of each component changes); repeat the construction in embodiment 1 The method is to take 100 kg of mortar and add 35 kg of water to dilute it, stir it mechanically or manually until it is evenly mixed, and then carry out mechanized spraying or manual operation. Perform performance testing with each standard described in Example 1, and the results are as shown in the corresponding data of Example 2 in Table 2.

Embodiment 3

[0039] Obtain the interior wall plastering mortar of embodiment 3 with the weight of each component in the embodiment 3 specified in table 1, repeat the production process described in embodiment 1 (only the weight of each component changes); repeat the construction in embodiment 1 The method is to take 100 kg of mortar and add 40 kg of water to dilute it, stir it mechanically or manually until it is evenly mixed, and then carry out mechanized spraying or manual operation. Perform performance testing with each standard described in Example 1, and the results are as shown in the corresponding data of Example 3 in Table 2.

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Abstract

A mixed mix of a lightweight inner wall was mixed with the following weight ratio: 30-35 of ordinary silicate cement; 4-5 cooked lime; 5-10 light materials; 5--fineness is 5--The 25th purpose is 50-60 waste sand for heavy materials; 1.0 antibacterial and mold-proof composite agent provided by Guangzhou Synthetic Trade Company, 0.4 kg of antibacterial mold and mold per kilogram, 0.1 kg of water retention, 0.3 kg of diversified latex powder and diversified latex powder and diversified latex powder and 0.3 kg of diversified latex powder and diversified latex powder and 0.3 kg of diversified latex powder and diversified latex powder and 0.3 kg of diversified latex powder and diversified latex powder and 0.3 kg of diversified latex powder and diversified latex powder and 0.3 kg of diversified latex powder and diversified latex powder and 0.3 kg of diversified latex powder and divergent latex powder and 0.3 kg of divergent latex powder.The composition of the air induction agent is mixed with 0.2 kg; the light collection is the fine -grade -based inorganic vival and short -hole material below 100 destinations.The diluted weight ratio during construction is the inner wall plastering mortar: water = 100: 30-50.The mortar uses waste sand in the construction waste as the mortar. It uses materials to recycled, and the crack resistance is good.The adhesion intensity meets the requirements. It can be used with lightweight walls to prevent air drums, cracking, falling off, and ensuring the quality of the project; low unit area cost; can reduce mold and bacterial breeding.

Description

technical field [0001] The invention relates to a construction mortar, in particular to an interior wall plastering mortar and a construction method thereof. Background technique [0002] Construction waste refers to the dregs, spoils, waste materials, residual mud and other wastes generated during the construction, demolition and repair of various buildings and structures by construction units or individuals. At present, the amount of construction waste in my country has accounted for 30%-40% of the total amount of urban waste. Calculated on the basis of 500-600 tons / 10,000 square meters, by 2020, my country will add about 30 billion square meters of new construction area, and the newly generated construction waste will be a shocking number. However, the treatment and utilization rate of construction waste in my country is only 5% at present, and most of the construction waste is transported to the suburbs or villages by the construction unit without any treatment, and is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04
Inventor 李少强张绮珊曾晓镇郭晓燕
Owner SHENZHEN GRANDLAND DECORATION GROUP
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