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Method for measuring penetration depth of permeable liquid hardening agent in cement-based material

A technology of cement-based materials and measurement methods, which is applied in the analysis of suspensions and porous materials, measurement devices, and analysis materials, and can solve problems such as testing penetration depth

Pending Publication Date: 2022-04-19
CHINA TEST & CERTIFICATION INT GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no simple and effective method to test its penetration depth

Method used

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  • Method for measuring penetration depth of permeable liquid hardening agent in cement-based material
  • Method for measuring penetration depth of permeable liquid hardening agent in cement-based material
  • Method for measuring penetration depth of permeable liquid hardening agent in cement-based material

Examples

Experimental program
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Effect test

Embodiment 1

[0048] A commercially available hardener was applied to one surface of a cement-based material sample block for penetrating hardening. Then, along the direction perpendicular to the hardened surface, use a hammer to break the sample apart to obtain a section that is basically perpendicular to the hardened surface. A phenolphthalein indicator is added dropwise on the section to make it develop color, and the result of color development is shown in the appendix Figure 4 shown; attached Image 6 Is a photochromic photograph of an unhardened cement-based material sample (for comparison only).

[0049] Select 7 test points in the middle area with uniform penetration depth at the edge of the color development area, and the distance between each test point is about 10mm; measure the penetration depth of each test point, the results are as follows: 3.3mm, 3.6mm, 4.0mm , 3.7mm, 3.1mm, 3.0mm, 2.9mm.

[0050] The calculated arithmetic average penetration depth of the above 7 test poi...

Embodiment 2

[0052] Apply a commercially available hardener to the two opposite surfaces of the cement-based material sample block for infiltration hardening. Then, along the direction perpendicular to the hardened surface, use a hammer to break the sample apart to obtain a section that is basically perpendicular to the hardened surface. A phenolphthalein indicator is added dropwise on the section to make it develop color, and the result of color development is shown in the appendix Figure 5 shown; attached Image 6 Is a photochromic photograph of an unhardened cement-based material sample (for comparison only).

[0053] Select 10 test points in the middle area with uniform penetration depth at the edge of the color development area, select 5 test points on each side, and the distance between each test point is about 10mm; measure the penetration depth of each test point, and the results are as follows: 3.5mm, 2.8mm, 3.1mm, 3.4mm, 3.9mm, 4.1mm, 4.7mm, 4.5mm, 4.6mm, 4.4mm.

[0054] Calc...

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Abstract

The invention relates to a method for measuring the penetration depth of a permeable liquid hardening agent in a cement-based material. The method comprises the following steps: 1) obtaining a cement-based material sample hardened by a permeable liquid hardening agent; 2) splitting the sample; (3) developing the profile by using a color developing agent; and 4) measuring the distance from a non-color-changing point on the edge of the color developing area on the section to the treatment surface of the cement-based material sample, namely the penetration depth of the permeable liquid hardening agent in the cement-based material. The technical problem to be solved is how to simply, quickly and effectively obtain data of the penetration depth of a penetration type liquid hardening agent in a cement-based material so as to guide a construction unit to select a model of a ground hardening material and serve as a reference basis for formulating a ground modification hardening process, so that the method is more practical.

Description

technical field [0001] The invention relates to the technical field of building material detection, in particular to a method for measuring the penetration depth of a penetrating liquid hardener in cement-based materials. Background technique [0002] The penetrating liquid hardener is applied to the surface of cement-based materials, penetrates into the surface of the cement-based material through its permeability, and reacts with the hydration products contained in the surface cement to fill the pores on the surface of the cement-based material, thereby improving the cement. A liquid-type material with surface hardness and wear resistance of the base material. Thanks to the rapid development of industrial plants, warehouses, parking lots, stadiums and other public places in recent years, my country's floor industry has also entered a period of rapid development, and the types of floor products are increasing. It has many advantages, such as effectively controlling dust on ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/08G01B11/06
CPCG01N15/082G01B11/06
Inventor 祝海龙张丹武刘建钊王强强车显东樊海龙赵松鹤王羽佳
Owner CHINA TEST & CERTIFICATION INT GRP CO LTD
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