CN102607369B - Detection method for coating layer thickness of waterproof coatings - Google Patents
Detection method for coating layer thickness of waterproof coatings Download PDFInfo
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- CN102607369B CN102607369B CN201210088297.2A CN201210088297A CN102607369B CN 102607369 B CN102607369 B CN 102607369B CN 201210088297 A CN201210088297 A CN 201210088297A CN 102607369 B CN102607369 B CN 102607369B
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Abstract
The invention relates to a method for detecting a coating layer thickness of waterproof coatings, which belongs to the technical field of detection methods for coating layer thickness of waterproof coatings and aims to provide a detection method for coating layer thickness of waterproof coatings which is low in cost, excellent in detection effect and simple in operation. The technical scheme of the method is as follows: a detection card is used for detecting the waterproof layer thickness, wherein the bottom edge of the detection card forms an included angle with a straight line where are the supporting leg tips of supporting legs which are connected with the detection card. The method comprises the following steps: step 1, manufacturing the detection card; step 2, holding the upper part of the detection card by a hand; inserting all the supporting legs of the detection card into waterproof layer to a basic layer; enabling the plane of the detection card to be vertical with the plane of the waterproof layer; and viewing the corresponding scale mark of the intersection between the surface of the waterproof layer and the bottom edge, wherein the reading corresponding to the scale mark is the waterproof layer thickness of a detection point; and step 3, taking out the detection card and supplementing the waterproof coatings on the detecting point. The method provided by the invention is particularly suitable for detecting the coating waterproof layer thickness being scraped and the incompletely cured coating waterproof layer thickness which is scraped just.
Description
Technical field
Water-repellent paint film layer thickness detection method of the present invention, belong to water-repellent paint film layer thickness detecting method technical field.
Background technology
Water-repellent paint is widely used in the waterproof of roofing, kitchen, toilet, basement etc.Polyurethane water-proof paint is to use at present the widest a kind of water-repellent paint, waterproof coating layer design thickness is generally 1.5-2.5mm, its construction technology is: with sleaker, brush by the even blade coating of coating on the ground of handling well, be coated with and scrape more than 2 layers or 2 layers according to environment for use and performance requirement.
Quality testing: every 100 square metres are detected a place, must not be less than three places, and required thickness meets designing requirement and minimum thickness should not be less than 85% of design thickness.
The quality of film waterproof material waterproof quality depends on its thickness, and the method that detects at present waterproofing layer thickness mainly contains three kinds:
(1) extract the sample detection method.Every 100 square metres extract 20 * 20mm sample and detect with slide calliper rule.This is a kind of destructive detection method, and this detection method cost is high, check point is few, and the thickness representativeness of check point is not strong;
(2) acupuncture detection method.Pierce through water barrier and carry out sign and then measure the thickness that pierces through part with a sticker, the thickness out of true that this method records, error are large and read difficulty;
(3) supercritical ultrasonics technology detection method.With supersonic thickness meter, detected, this method measurement result has certain error, and the precision of measurement and surveying instrument quality and operating personnel's level have direct relation.Supercritical ultrasonics technology detection method complicated operation, waste time and energy and cost compare high, restricted application.
The quality of waterproof effect and water-repellent paint coating thickness have direct relation, the water-repellent paint coating thickness directly has influence on quality of waterproof layer, and mostly the water barrier seepage is to cause due to the thickness deficiency.The waterproof in toilet and kitchen particularly, in most cases many suites just detect a point.Current detection method is difficult to find in time coating thickness thickness defect in the construction stage.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, technical matters to be solved be to provide a kind of cost low, detect water-repellent paint film layer thickness detection method effective, simple to operate.
In order to solve the problems of the technologies described above, the technical scheme adopted is: water-repellent paint film layer thickness detection method, the test card of utilizing a tiptoe place straight line of a base and leg connected thereto to be angle detects waterproofing layer thickness, and this detection method comprises the following steps:
The first step, make test card, the tiptoe that the base of test card is connected with a plurality of del legs and all legs is positioned at same straight line, a tiptoe place straight line and the base angle of leg are 2 °-6 °, difference in height decile according to the two ends, base on base is provided with many scale marks, and every scale mark all means its vertical range at a tiptoe place straight line of base corresponding point and leg;
Second step, hold the test card top made in the first step its all legs are inserted to detected water barrier to sand-cement slurry basic unit, keep the test card plane vertical with the water barrier plane, check water barrier surface corresponding with the base intersection point scale mark, record the thickness that the corresponding reading of scale mark herein is this check point water barrier;
The 3rd step, take out test card, in time at check point coating water-repellent paint.
After described second step completes, by the test card half-twist, detect again the thickness of a water barrier according to the described method of second step at described check point place, get the mean value of twice detected value.
A tiptoe both sides angle of described leg is 30 °-60 °.
Wherein between two scale marks, coat the color of distinguishing the test card body on the test card of making in the described first step, this color region means to detect the acceptance value scope commonly used of waterproofing layer thickness.
The beneficial effect that the present invention compared with prior art had is: the test card that the present invention uses a tiptoe place straight line of a base and leg connected thereto to be angle detects waterproofing layer thickness, the leg of test card is inserted to water barrier, check water barrier plane and base intersection point, on it, corresponding scale mark means the vertical range of this point and sand-cement slurry basic unit, simple to operate, cost is lower; The present invention is shown as 10-30 mm scopes by the scope of vertical range 1 mm on the scale of test card, amplifies 10-30 times, reads more accurate, simple.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is used test card to detect the structural representation of waterproofing layer thickness in the present invention.
In figure: 1 is test card, and 2 is leg, and 3 is base, and 4 is scale mark, and 5 is water barrier, and 6 is sand-cement slurry basic unit, and 7 is scale mark.
Embodiment
As shown in Figure 1, water-repellent paint film layer thickness detection method of the present invention, the test card 1 of utilizing a tiptoe place straight line of a base 3 and leg 2 connected thereto to be angle detects water barrier 5 thickness, and this detection method comprises the following steps:
The first step, make test card 1, the tiptoe that the base 3 of test card 1 is connected with a plurality of del legs 2 and all legs 2 is positioned at same straight line, a tiptoe place straight line and base 3 angles of leg 2 are 2 °-6 °, be provided with many scale marks 4 according to the difference in height decile at 3 two ends, base on base 3, every scale mark 4 all means the vertical range of its tiptoe place straight line of 3 corresponding point and leg 2 on base;
Second step, hold test card 1 top made in the first step its all legs 2 are inserted to detected water barrier 5 to sand-cement slurry basic unit 6, keep test card 1 plane vertical with water barrier 5 planes, check water barrier 5 surface corresponding with base 3 intersection points scale mark 4, record the thickness that the corresponding reading of scale mark 4 herein is this check point water barrier 5;
The 3rd step, take out test card 1, in time at check point coating water-repellent paint.
After described second step completes, by test card 1 half-twist, detect again the thickness of a water barrier 5 according to the described method of second step at described check point place, get the mean value of twice detected value.
A tiptoe both sides angle of described leg 2 is 30 °-60 °.
Wherein between two scale marks 4, coat the color of distinguishing test card 1 body on the test card 1 of making in the described first step, this color region means to detect the acceptance value scope commonly used of waterproofing layer thickness.
The present invention is specially adapted to detect the thickness that is being coated with the coating waterproofing layer thickness of scraping and just is being coated with the not completely crued film waterproof material of having scraped.
Embodiment:
Polyurethane water-proof paint is to use at present the widest a kind of water-repellent paint, and the water barrier design thickness is generally 1.5-2.5mm.
The first step, make test card 1, long * wide is 100mm * 70mm, the tiptoe that the base 3 of test card 1 is connected with 9 del legs 2 and all legs 2 is positioned at same straight line, a tiptoe place straight line and base 3 angles that a tiptoe place straight line vertical range of base 3 minimum points and leg 2 is 1mm and leg 2 are 2.29 °, be that base 3 two ends differences in height are 4mm, on base 3,40 deciles are provided with scale mark 4, every scale mark 4 all means the vertical range of its 3 corresponding point and 2 tiptoe place straight lines of leg on base, be marked with scale mark 7 every 5 lattice scale marks, be followed successively by 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, coat the green that distinguishes over test card 1 body between two scale marks of expression 1.5mm and 2.5mm, the wedge angle angle of leg 2 is 45 °,
Second step, hold test card 1 top made in the first step its all legs 2 are inserted to detected water barrier 5 to sand-cement slurry basic unit 6, keep test card 1 plane vertical with water barrier 5 planes, check water barrier 5 surface corresponding with base 3 intersection points scale mark 4, the corresponding reading of scale mark 4 is the thickness of this check point water barrier 5 herein;
The 3rd step, by test card 1 half-twist, detect the thickness of a water barrier 5 again according to the described method of second step at described check point place, get the mean value of twice detected value;
The 4th step, take out test card 1, in time at check point coating water-repellent paint.
Claims (4)
1. water-repellent paint film layer thickness detection method is characterized in that: the test card (1) of utilizing a tiptoe place straight line of a base (3) and leg (2) connected thereto to be angle detects water barrier (5) thickness, and this detection method comprises the following steps:
The first step, make test card (1), the tiptoe that the base (3) of test card (1) is connected with a plurality of del legs (2) and all legs (2) is positioned at same straight line, a tiptoe place straight line and base (3) angle of leg (2) are 2 °-6 °, base (3) is upper is provided with many scale marks (4) according to the difference in height decile at two ends, base (3), and every scale mark (4) all means the vertical range of propping up tiptoe place straight line of its (3) corresponding point and leg (2) on base;
Second step, hold test card (1) top made in the first step its all legs (2) are inserted to detected water barrier (5) to sand-cement slurry basic unit (6), keep test card (1) plane vertical with water barrier (5) plane, check water barrier (5) surface corresponding with base (3) intersection point scale mark (4), record the thickness that the corresponding reading of scale mark (4) herein is this check point water barrier (5);
The 3rd step, take out test card (1), in time at check point coating water-repellent paint.
2. water-repellent paint film layer thickness detection method according to claim 1, it is characterized in that: after described second step completes, by test card (1) half-twist, detect again the thickness of a water barrier (5) at described check point place according to the described method of second step, get the mean value of twice detected value.
3. water-repellent paint film layer thickness detection method according to claim 1 and 2 is characterized in that: a tiptoe both sides angle of described leg (2) is 30 °-60 °.
4. water-repellent paint film layer thickness detection method according to claim 1 and 2, it is characterized in that: wherein between two scale marks (4), coat the color of distinguishing test card (1) body on the test card of making in the described first step (1), this color region means to detect the acceptance value scope commonly used of waterproofing layer thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210088297.2A CN102607369B (en) | 2012-03-30 | 2012-03-30 | Detection method for coating layer thickness of waterproof coatings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210088297.2A CN102607369B (en) | 2012-03-30 | 2012-03-30 | Detection method for coating layer thickness of waterproof coatings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102607369A CN102607369A (en) | 2012-07-25 |
| CN102607369B true CN102607369B (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210088297.2A Expired - Fee Related CN102607369B (en) | 2012-03-30 | 2012-03-30 | Detection method for coating layer thickness of waterproof coatings |
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| CN (1) | CN102607369B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104678079A (en) * | 2013-11-29 | 2015-06-03 | 立邦涂料（中国）有限公司 | Testing method of waterproof coating |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1562684A (en) * | 1978-04-27 | 1980-03-12 | Saberg O | Device for use in measuring the thickness of surface layers and coatings |
| US4776099A (en) * | 1987-07-28 | 1988-10-11 | Paul N. Gardner Company, Inc. | Wet film thickness gauge |
| CN201397113Y (en) * | 2009-04-30 | 2010-02-03 | 中国石油天然气集团公司 | Coating wet film thickness gauge |
| CN201764930U (en) * | 2010-08-16 | 2011-03-16 | 河南省中原内配股份有限公司 | Coating thickness measurement instrument |
| CN201837341U (en) * | 2010-10-21 | 2011-05-18 | 山西省高平市泫氏铸业有限公司 | Metal pipe die coating thickness gauge |
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