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Operating method of injection group

A technology of mortar and construction method, which is applied in the direction of construction and building structure, can solve problems such as low production efficiency, high construction cost, and difficulty in quality assurance, and achieve the effects of improving production efficiency, reducing labor intensity, and reducing construction costs

Inactive Publication Date: 2005-08-10
于海营 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In order to solve the technical problems of low production efficiency, difficult quality assurance and high construction cost in the prior art, the present invention provides a spray mortar construction method with high production efficiency, guaranteed quality and low cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] a. Prepare the mortar

[0022] The mortar should meet the construction requirements, and ordinary portland cement can be used, or slag portland cement or pozzolanic portland cement can be selected, mixed with medium and fine sand, or purchased mortar can be directly selected;

[0023] b. Clean the base surface

[0024] Rinse the surface to be sprayed with high-pressure wind water to remove dust, dirt, etc. from the base surface, and make the base surface to be sprayed fully wet;

[0025] c. Connect the air compressor with the wet jet machine, and adjust the air compressor so that the compressed air flow rate of the compressed air output is 9 to 12m 3 / min, the pressure is 0.2 ~ 0.5Mpa, start the wet spraying machine, put the prepared mortar into the spraying machine and spray it from bottom to top to the base surface, the spraying thickness should meet the requirements, generally 15 ~ 20mm;

[0026] d. After the mortar surface layer is formed, its surface should be tr...

Embodiment 2

[0028] Others are the same as in embodiment 1, except that an additive wave splitter is connected to the nozzle of the wet jet machine, and the additive wave splitter is also connected to the air compressor. The quick-setting agent, fireproofing agent, and waterproofing agent can be evenly mixed into the mortar, and then sprayed onto the base surface.

Embodiment 3

[0030] Others are as in embodiment 1 or 2, except that reference rods are set on the base surface before spraying, and the distance between the reference rods is not more than 2m, so as to understand the thickness of the mortar sprayed and ensure that the mortar surface is smooth and uniform in thickness.

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PUM

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Abstract

The present invention discloses a contruction process for spraying mortar. Said construction process includes the following steps: cleaning base surface, placing the mortar into a wet spraying machine and spraying the mortar onto the cleaned base surface. The compressed air flow rate of air compressore connected with the wet spraying machine is 9-12 cu.m / min. and its pressure is 0.2-0.5 MPa. Said invention can utilizes compressed air to make the mortar, cement polymer mortar, cement lime mixed mortar and lime mortar have a certain flow speed and pressure.

Description

Technical field: [0001] The invention relates to a building decoration construction method, in particular to a method for spraying mortar on a base surface. Background technique: [0002] As we all know, covering the base surface with mortar to form a mortar surface layer is one of the necessary processes for building construction, and it is basically a manual plastering method at present. Manual operation has the following disadvantages: [0003] 1. Low production efficiency [0004] The average power of a skilled technical worker for plastering mortar is 15m 2 / day, because the operation must be matched with labor, so the efficiency of the whole staff is only 4m 2 / working day. [0005] 2. The quality of the project cannot be guaranteed [0006] Since the manual operation cannot be vibrated, the mortar and the base surface are not firmly bonded, and hollowing, cracking, delamination, and falling off often occur. In particular, human factors have a great influence on...

Claims

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Application Information

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IPC IPC(8): E04F21/02
Inventor 于海营徐华启
Owner 于海营