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A concrete impermeability test system and method using color-changing ink

An impermeability test, color-changing ink technology, applied in permeability/surface area analysis, suspension and porous material analysis, measurement devices, etc. Accurate, easy-to-discriminate effects

Active Publication Date: 2017-03-01
OCCUPATIONAL HEALTH & SAFETY ASSISTANCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Because the cement is gray before and after water seepage, and the difference in gray scale is relatively small, it is difficult for the staff to judge. In addition, the test needs 24 hours of uninterrupted operation, and the surrounding lights will also affect the judgment of the staff, even when the water seepage is compared. When it is small, it may not be judged, which will affect the test results

Method used

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  • A concrete impermeability test system and method using color-changing ink
  • A concrete impermeability test system and method using color-changing ink
  • A concrete impermeability test system and method using color-changing ink

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Embodiment 1

[0036] This embodiment describes the concrete impermeability test method utilizing color-changing ink of the present invention, such as figure 1 Shown is the flow chart of the concrete impermeability test method of the present embodiment, and it may further comprise the steps:

[0037] S11: Put every six test pieces on an impermeability tester, and smear 0.5mm thick water-changing ink on the surface of the test pieces;

[0038] S12: Stand still for half an hour. After the water-changing ink is dry, start the impermeability test. The water pressure starts from 0.2Mpa and increases by 0.1Mpa every 8h;

[0039] S13: Regularly observe the end surface of the test piece, and proceed to step S14 or S15;

[0040] S14: After the water-changing ink of the three test pieces becomes transparent, stop the test and record the water pressure at this time;

[0041] S15: When pressurized to the preset water pressure, after another 8 hours, less than three test pieces with water-changing ink ...

Embodiment 2

[0045] This embodiment is based on Embodiment 1. After the monitoring terminal receives the picture in step S13, it also includes: automatically reading its gray value, comparing the gray value with the gray value of the first picture, when When the difference between the gray value and the gray value of the first picture is greater than 20, it is judged to be water seepage.

[0046] In this embodiment, the end face of the test piece 2 is divided into a peripheral area 21 and a middle area 22, such as figure 2 As shown, the peripheral area 21 is an annular area composed of the edge of the test piece and a ring 30 mm away from the edge, and the middle area 22 is a circular area within the ring 30 mm away from the edge. like image 3 Shown is the flow chart of the concrete impermeability test method of this embodiment, the gray value read in the corresponding step S13 includes the gray value of the surrounding area and the gray value of the middle area, when the difference of ...

Embodiment 3

[0049] This embodiment describes in detail the anti-seepage test system utilizing color-changing ink of the present invention, which is used to realize the above-mentioned anti-seepage test method utilizing color-changing ink, which includes: anti-seepage tester 1, test piece 2, and every six test pieces 2 Installed on an impermeability tester 1, the surface of the test piece 2 is coated with a water-changing ink layer 3.

[0050]In this embodiment, a monitoring device 4 is also installed above the impermeability tester 1, which is supported by a bracket 5 and set opposite to the test piece 2 for taking photos of the end face of the test piece 2 and uploading it to the monitoring terminal 6 .

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Abstract

The invention discloses concrete impermeability test system and method employing a color-change ink. The system comprises an impermeability tester and a test specimen which is arranged on the impermeability tester, wherein a water color-change ink is painted on the surface of the test specimen. The method comprises the following steps: S11. putting six test specimens on one impermeability tester, and painting the water color-change ink on the surfaces of the test specimens; S12. beginning the impermeability test after the water color-change ink is dried; S13. observing the end face conditions of the test specimens at regular periods, carrying out the step S14 or S15; S14. stopping the test after the water color-change ink of the three test specimens changes color, and recording the water pressure at the moment; and S15. pressurizing to preset water pressure, and stopping the test after 8 hours when the number of the test specimens with the water color-change ink changing color is less than 3. According to the concrete impermeability test and method employing the color-change ink, the color change before and after water seepage is obvious by coating the water color-change ink on the surfaces of the test specimens, and distinguishing is easy.

Description

technical field [0001] The invention relates to the field of concrete anti-seepage tests, in particular to a concrete anti-seepage test system and method using color-changing ink. Background technique [0002] At present, the detection technology of building materials is mostly judged by the naked eye of the staff. For example, in the concrete impermeability test, the staff must observe and judge whether the cement surface seeps. Because the cement is gray before and after water seepage, and the difference in gray scale is relatively small, it is difficult for the staff to judge. In addition, the test needs 24 hours of uninterrupted operation, and the surrounding lights will also affect the judgment of the staff, even when the water seepage is compared. When it is small, it may not be judged, which will affect the test results. Contents of the invention [0003] Aiming at the problems existing in the above-mentioned prior art, the present invention proposes a concrete ant...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/08
Inventor 王小兵商凌云袁砚斌陈勇白云飞刘彪
Owner OCCUPATIONAL HEALTH & SAFETY ASSISTANCES
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