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Cement proportioning method for building construction

A technology of building construction and cement, which is applied in the field of cement proportioning for building construction, can solve problems affecting the safety effect of buildings, and achieve the effect of ensuring strength, quality and safety

Inactive Publication Date: 2021-11-02
温州市东风建筑工程公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides a cement proportioning method for building construction, which solves the problem that when the existing cement is proportioned on the construction site, in order to facilitate the construction, it is generally mixed on site, and basically does not The raw materials will be finely screened, and the water content in the raw materials will not be preliminarily predicted, and the mixing and proportioning operation will be carried out directly, resulting in further improvement in the quality and quality of the cement, which will affect the safety effect of the building on the side.

Method used

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Examples

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Embodiment 1

[0020] The invention provides a technical solution: a cement proportioning method for building construction, comprising the following steps:

[0021] S1. Raw materials preparation: first prepare raw materials such as cement, fine aggregate and water in proportion, and ensure that the ratio is 1:3:0.65, so that the density of the mixed cement mortar is kept at about 2000Kg / m3~2500Kg / m3.

[0022] S2. Raw material screening: First, pass the cement and fine aggregate in the raw material through a 5-10 mesh screen and a 20-30 mesh screen, and set a receiving hopper under the two screens, and at the same time, pass through the screen that has not passed through the screen. The garbage, such as: plastic chips, grass roots, stones, etc., is collected and centralized harmless treatment with professional collection tools, and then the fine aggregate is passed through a 15-mesh to 20-mesh sieve for the second time to ensure its internal waste. Large particles are removed cleanly.

[002...

Embodiment 2

[0029] The specific difference from Example 1 is that in the raw material screening process, only 20-30 mesh sieves are used to carry out a sieve screening operation process for the fine aggregate.

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Abstract

The invention discloses a cement proportioning method for building construction. The cement proportioning method for building construction comprises the steps of deeply screening raw materials for multiple times, and predicting the basic water content in raw material sand through a professional water content detector. The problems that after cement mortar is mixed, many bubbles are generated, and the strength fluctuation range and the cement quality are uneven are solved, the strength and the quality of the mixed cement mortar are guaranteed, and then the safety degree of a building after construction is guaranteed.

Description

technical field [0001] The invention relates to the technical field of cement proportioning, in particular to a cement proportioning method for building construction. Background technique [0002] Cement is one of the main building materials, the most widely used building material and engineering material, widely used in construction, water conservancy, road, petroleum, chemical and military engineering. The raw materials of cement are limestone, clay, iron ore, coal and so on. In the cement production process, one ton of Portland cement needs to grind three tons of materials, which contain various raw materials, fuels, clinker, mixtures, gypsum, dry process cement production lines, etc. The so-called cement construction mix ratio refers to the The proportion relationship among the various components, adjustment steps: set the mixing ratio of the laboratory as follows: cement: water: sand: gravel = 1: x: y: z, the moisture content of the sand on site is m, and the moisture ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/02B07B9/00
CPCC04B28/02B07B9/00C04B14/06
Inventor 张建军吴升鸿邵建海易书雅
Owner 温州市东风建筑工程公司
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