CN108317987A - Sample for evaluating thickness detection quality of engineering structure entity steel bar protective layer - Google Patents
Sample for evaluating thickness detection quality of engineering structure entity steel bar protective layer Download PDFInfo
- Publication number
- CN108317987A CN108317987A CN201810174563.0A CN201810174563A CN108317987A CN 108317987 A CN108317987 A CN 108317987A CN 201810174563 A CN201810174563 A CN 201810174563A CN 108317987 A CN108317987 A CN 108317987A
- Authority
- CN
- China
- Prior art keywords
- sample
- base material
- engineering structure
- stirrup
- steel bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 10
- 239000010959 steel Substances 0.000 title claims abstract description 10
- 239000011241 protective layer Substances 0.000 title abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 47
- 230000002787 reinforcement Effects 0.000 claims abstract description 47
- 229920000573 polyethylene Polymers 0.000 claims abstract description 9
- 239000003610 charcoal Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 abstract 2
- 239000004698 Polyethylene Substances 0.000 abstract 1
- -1 polyethylene Polymers 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 45
- 230000003014 reinforcing effect Effects 0.000 description 18
- 238000012360 testing method Methods 0.000 description 16
- 239000007787 solid Substances 0.000 description 7
- 239000004567 concrete Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 102100036219 Cyclic nucleotide-gated olfactory channel Human genes 0.000 description 2
- 101000875054 Homo sapiens Cyclic nucleotide-gated olfactory channel Proteins 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000013062 quality control Sample Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
Abstract
The invention discloses a sample for evaluating the thickness detection quality of an engineering structure entity steel bar protective layer, which comprises a base material made of a high-molecular polyethylene material, wherein a plurality of main reinforcements and a plurality of stirrups are arranged in the base material, and the main reinforcements and the stirrups are round steel bars. The invention has the beneficial effects that: the method can be used for evaluating the precision and accuracy of the thickness detection result of the reinforcing steel bar protection layer of the engineering structure entity, and solves the problem that a laboratory in the construction field is difficult to effectively evaluate the repeatability precision, the intermediate precision, the reproducibility precision and the accuracy of the thickness detection result of the reinforcing steel bar protection layer.
Description
Technical field
The present invention relates to verifying attachment technical fields, it particularly relates to a kind of for assessing engineering structure body reinforcing bar
Protective layer thickness detects the sample of quality.
Background technology
The conventional method flow of the thickness of protection tier detection of construction project structural solid beam is visited by reinforcing bar
Instrument is surveyed in beam（Armored concrete）The movement on surface to judge the position of its internal main reinforcement and stirrup, and detects main reinforcement
To the minimum air line distance of reinforced concrete surface.
But for the preci-sion and accuracy of thickness of protection tier testing result never have effective mode come into
Row assessment, causes the position of main reinforcement and stirrup to be possible to judge by accident, the probe value of main reinforcement is possible to that larger error can occur.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Invention content
For above-mentioned technical problem in the related technology, the present invention proposes a kind of for assessing engineering structure body reinforcing bar guarantor
Covering thickness detects the sample of quality, can be used for building the repeatability of work field laboratory evaluation thickness of protection tier testing result
Precision, Intermediate precision, reproducibility precision and accuracy.
To realize the above-mentioned technical purpose, the technical proposal of the invention is realized in this way：
A kind of sample for assessing engineering structure body thickness of protection tier detection quality, including by high molecular polythene material
Base material made of material, the base material are internally provided with several main reinforcements and several stirrups, and main ribs and stirrup are round steel bar.
Further, main ribs and the quantity of stirrup are two.
Further, charcoal blacks are added in the high molecular polythene material.
Further, the shape of the base material is cuboid, and top is provided with cross coordinate line.
Further, four sides of the base material be respectively respectively arranged with for main reinforcement or stirrup insertion mounting hole and
In the side seal board for blocking the mounting hole.
The present invention also provides a kind of for assessing the sample of engineering structure body thickness of protection tier detection quality
Application method includes the following steps：
S1 by main reinforcement under, stirrup be installed in base material upper, by vernier caliper measurement go out main reinforcement, the position data of stirrup with
And the minimum air line distance at the top of main reinforcement to base material is as characteristic value；
S2 detects the distance at the top of the reinforcing bar to base material of base material inside using reinforcing bar survey meter, near base material distance from top compared with
Big reinforcing bar obtains the position sensing of main reinforcement and stirrup as main reinforcement, the smaller reinforcing bar of near base material distance from top as stirrup
Then data detect the distance at the top of main reinforcement to base material, it is straight as the minimum at the top of main reinforcement to base material to choose minimum value therein
Linear distance detection data, using position sensing data and minimum air line distance detection data as probe value；
Probe value is compared S3 with characteristic value, obtains the accuracy of probe value；
S4 repeats repeated precision, Intermediate precision, the reproducibility precision that S2 and S3 obtains probe value.
Beneficial effects of the present invention：It can be used for assessing the precision of engineering structure body thickness of protection tier testing result
And accuracy, it solves and builds work field laboratory and be difficult to the repeated precision of thickness of protection tier testing result, centre
Precision, reproducibility precision and accuracy carry out the problem of effective evaluation.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is that the engineering structure body thickness of protection tier that is used to assess described according to embodiments of the present invention detects quality
Sample schematic diagram；
Fig. 2 is the sample for assessing engineering structure body thickness of protection tier detection quality according to embodiments of the present invention
The sectional view of product.
In figure：
1, main reinforcement；2, stirrup；3, base material；4, side seal board.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained belong to what the present invention protected
Range.
As shown in Figs. 1-2, described one kind according to embodiments of the present invention is for assessing engineering structure body cover to reinforcement
The sample of Thickness sensitivity quality, including the base material 3 made of high molecular polythene material, the base material 3 are internally provided with several
Main reinforcement 1 and several stirrups 2, main ribs 1 and stirrup 2 are round steel bar.
In one particular embodiment of the present invention, main ribs 1 and the quantity of stirrup 2 are two.
In one particular embodiment of the present invention, charcoal blacks are added in the high molecular polythene material.
In one particular embodiment of the present invention, the shape of the base material 3 is cuboid, and top is provided with cross seat
Graticule.
In one particular embodiment of the present invention, four sides of the base material 3 are respectively respectively arranged with for main reinforcement 1 or hoop
The mounting hole that muscle 2 is inserted into and the side seal board 4 for blocking the mounting hole.
The present invention also provides a kind of for assessing the sample of engineering structure body thickness of protection tier detection quality
Application method includes the following steps：
S1 by main reinforcement under, stirrup be installed in base material upper, by vernier caliper measurement go out main reinforcement, the position data of stirrup with
And the minimum air line distance at the top of main reinforcement to base material is as characteristic value；
S2 detects the distance at the top of the reinforcing bar to base material of base material inside using reinforcing bar survey meter, near base material distance from top compared with
Big reinforcing bar obtains the position sensing of main reinforcement and stirrup as main reinforcement, the smaller reinforcing bar of near base material distance from top as stirrup
Then data detect the distance at the top of main reinforcement to base material, it is straight as the minimum at the top of main reinforcement to base material to choose minimum value therein
Linear distance detection data, using position sensing data and minimum air line distance detection data as probe value；
Probe value is compared S3 with characteristic value, obtains the accuracy of probe value；
S4 repeats repeated precision, Intermediate precision, the reproducibility precision that S2 and S3 obtains probe value.
In order to facilitate the above-mentioned technical proposal of the present invention is understood, below by way of specifically used mode to the above-mentioned skill of the present invention
Art scheme is described in detail.
The shape of sample of the present invention is cuboid, overall size 320mm（It is long）×320mm（It is wide）×68mm
（It is thick）, color is black, meanwhile, at the top of sample, in such a way that laser is portrayed, indicates " test surfaces " and test is sat with cross
Graticule；Four sides of sample, the embedded side seal board 4 for sealing up 10mm thickness, sample of the present invention is mainly by with lower part
It constitutes：Base material 3 and reinforcing bar are constituted, and reinforcing bar includes main reinforcement 1 and stirrup 2.
Base material 3 uses high molecular polythene material, and adds charcoal blacks.Two diameter 20mm's built in base material 3 is solid
Round steel bar is as main reinforcement 1, and the solid round steel bar of two diameter 18mm is as stirrup 2.Two 1 longitudinal axis spacing 100mm of main reinforcement,
Two 2 longitudinal axis spacing 210mm of stirrup, the two distribution meet engineering practice.The placement of main reinforcement 1, stirrup 2 is adopted in sample
With first drilled on base material with precision machine tool, after the mode that is mechanically inserted, due to using reinforcing bar built in such mode, sample
Characteristic value（Main reinforcement protective layer thickness）Reliably.
The protective layer thickness value of two main reinforcements is and the visible situation of entity beam and meets in construction project in sample《It is mixed
Xtah Crude Clay structure engineering construction quality acceptance specification》Table is E.0.4 to structural solid Reinforcement in GB 50204-2015 standards
The requirement of protective layer thickness tolerance, and《Code for design of concrete structures》Table 8.2.1 is to beam structure in GB 50010-2010
The minimal design requirement of part protective layer thickness.
Sample of the present invention has as follows a little：1）It is applied widely, it is strong with detection device harmony.The sample is surveyed
The geometric dimension in examination face is suitable for most of the country thickness of protection tier detection device（Such as：Reinforcing bar survey meter）；The sample
After base material 3 adds charcoal blacks, electromagnetic interference will not be generated to thickness of protection tier detection device.
2）Sample reliability is high, is readily transported and carries.The sample substrates 3 use high molecular polythene material, hardness compared with
Height, surface abrasion resistance, weight is lighter compared with concrete, to while improving sample reliability, convenient for its transport and take
Band.
3）There is sample arrangement feature certain representativeness, sample characteristic value to meet relevant criterion requirement.Two built in the sample
Root main reinforcement 1 and two stirrups 2, the distribution of main reinforcement 1 and stirrup 2 meet engineering practice.Also, sample characteristic value（Main reinforcement is protected
Covering thickness）It is the visible situation of entity beam and to meet in construction project《Concrete structure engineering construction quality accident is advised
Model》The table E.0.4 requirement to structural solid Reinforcement protective layer thickness tolerance in GB 50204-2015 standards,
And《Code for design of concrete structures》Table 8.2.1 wants the minimal design of beam protective layer thickness in GB 50010-2010
It asks.
4）Sample purposes is various, can meet the different demands for examining testing agency's quality control.Under normal circumstances, it examines and uses
Quality-control sample only for result data.But the sample can be also used for position of the evaluation testing staff to built-in main reinforcement 1 and stirrup 2
It sets and judges whether correctly.This premise for judging to be to ensure that entity beam thickness of protection tier testing result data accuracy
Condition.The conventional method flow of entity beam thickness of protection tier detection is by reinforcing bar survey meter in entity beam table
The movement in face, judges the position of its internal main reinforcement and stirrup, and tests out main reinforcement to the minimum air line distance on structural solid surface.
This sample simulates construction work in terms of internal steel bar arrangement situation, main reinforcement protective layer thickness, base material are without electromagnetic interference etc. three
Common concrete solid beam in journey, and reinforcing bar built in the mode due to being processed using precision machine tool, sample
Product characteristic value（Main reinforcement protective layer thickness）Reliably, thus thickness of protection tier detection device can under the conditions of repeatability, when long
The sample characteristic value is tested under conditions of some variations and under the conditions of reproducibility in phase, to evaluate its entity beam
Repeated precision, Intermediate precision and the reproducibility precision of member reinforcing steel bar protective layer thickness testing result.Also, it utilizes
The inside steel bar arrangement condition diagram and main reinforcement protective layer thickness reference point provided in the sample, it is also evaluable to build work field laboratory
Whether testing staff correct to the position judgment of built-in main reinforcement 1 and stirrup 2, beam thickness of protection tier testing result with
Consistent degree between reference point（Accuracy）.
At the beginning of 2017, by Certification And Aecreditation Administration of The People's Republic of China（CNCA）Commission, using the sample, in national model
Enclosing inner tissue 283 examines testing agency to carry out the detection of entity beam thickness of protection tier, and the feature for passing through the sample
Value evaluates the accuracy of participating agency testing result.The project has passed through CNCA tissues on November 10th, 2017
Specialists meeting check and accept, check and accept content includes whether sample representative, sample characteristic value prepared by batch whether uniformly, it is steady
It is fixed.
In conclusion by means of the above-mentioned technical proposal of the present invention, can be used for assessing the covers to reinforcement such as reinforcing bar survey meter
The preci-sion and accuracy of thickness detecting equipment solves the repeatability precision being difficult to thickness of protection tier testing result
Degree, Intermediate precision, reproducibility precision and accuracy carry out the problem of effective evaluation.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (5)
1. it is a kind of for assess engineering structure body thickness of protection tier detection quality sample, which is characterized in that including by
Base material made of high molecular polythene material（3）, the base material（3）It is internally provided with several main reinforcements（1）With several stirrups（2）,
Main ribs（1）And stirrup（2）It is round steel bar.
2. the sample according to claim 1 for assessing engineering structure body thickness of protection tier detection quality,
It is characterized in that, main ribs（1）And stirrup（2）Quantity be two.
3. the sample according to claim 1 for assessing engineering structure body thickness of protection tier detection quality,
It is characterized in that, charcoal blacks is added in the high molecular polythene material.
4. the sample according to claim 1 for assessing engineering structure body thickness of protection tier detection quality,
It is characterized in that, the base material（3）Shape be cuboid, top be provided with cross coordinate line.
5. the sample according to claim 4 for assessing engineering structure body thickness of protection tier detection quality,
It is characterized in that, the base material（3）Four sides be respectively respectively arranged with for main reinforcement（1）Or stirrup（2）The mounting hole of insertion and
Side seal board for blocking the mounting hole（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810174563.0A CN108317987B (en) | 2018-03-02 | 2018-03-02 | Sample for evaluating thickness detection quality of reinforcement protection layer of engineering structure entity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810174563.0A CN108317987B (en) | 2018-03-02 | 2018-03-02 | Sample for evaluating thickness detection quality of reinforcement protection layer of engineering structure entity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108317987A true CN108317987A (en) | 2018-07-24 |
| CN108317987B CN108317987B (en) | 2024-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810174563.0A Active CN108317987B (en) | 2018-03-02 | 2018-03-02 | Sample for evaluating thickness detection quality of reinforcement protection layer of engineering structure entity |
Country Status (1)
| Country | Link |
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| CN (1) | CN108317987B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111515A (en) * | 2022-01-26 | 2022-03-01 | 建研院检测中心有限公司 | Protective layer thickness measuring method and system adopting steel bar protective layer thickness structure standard sample |
| CN116576806A (en) * | 2023-04-21 | 2023-08-11 | 深圳市磐锋精密技术有限公司 | Precision control system for thickness detection equipment based on visual analysis |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010261772A (en) * | 2009-05-01 | 2010-11-18 | Shimizu Corp | Device and method for inspecting cover thickness of reinforcing bar |
| CN104296711A (en) * | 2014-10-21 | 2015-01-21 | 贵州航天计量测试技术研究所 | Calibration device for cover protectometer |
| CN205537578U (en) * | 2016-04-18 | 2016-08-31 | 柳州市计量技术测试研究所 | Cover to reinforcement thickness gauge standard test block |
| CN206177271U (en) * | 2016-11-04 | 2017-05-17 | 中国建材检验认证集团江苏有限公司 | Cover to reinforcement thickness check equipment calibration device |
| CN107192324A (en) * | 2017-06-07 | 2017-09-22 | 安徽省建筑科学研究设计院 | A kind of full rotation type prefabricated pile type inspection instrument and the method for inspection |
| CN207963831U (en) * | 2018-03-02 | 2018-10-12 | 中国建筑科学研究院有限公司 | The sample of quality is detected for assessing engineering structure body thickness of protection tier |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103547132B (en) * | 2012-07-17 | 2017-03-22 | 昆山雅森电子材料科技有限公司 | Electromagnetic interference shielding structure and flexible printed circuit board with same |
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2018
- 2018-03-02 CN CN201810174563.0A patent/CN108317987B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010261772A (en) * | 2009-05-01 | 2010-11-18 | Shimizu Corp | Device and method for inspecting cover thickness of reinforcing bar |
| CN104296711A (en) * | 2014-10-21 | 2015-01-21 | 贵州航天计量测试技术研究所 | Calibration device for cover protectometer |
| CN205537578U (en) * | 2016-04-18 | 2016-08-31 | 柳州市计量技术测试研究所 | Cover to reinforcement thickness gauge standard test block |
| CN206177271U (en) * | 2016-11-04 | 2017-05-17 | 中国建材检验认证集团江苏有限公司 | Cover to reinforcement thickness check equipment calibration device |
| CN107192324A (en) * | 2017-06-07 | 2017-09-22 | 安徽省建筑科学研究设计院 | A kind of full rotation type prefabricated pile type inspection instrument and the method for inspection |
| CN207963831U (en) * | 2018-03-02 | 2018-10-12 | 中国建筑科学研究院有限公司 | The sample of quality is detected for assessing engineering structure body thickness of protection tier |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111515A (en) * | 2022-01-26 | 2022-03-01 | 建研院检测中心有限公司 | Protective layer thickness measuring method and system adopting steel bar protective layer thickness structure standard sample |
| CN116576806A (en) * | 2023-04-21 | 2023-08-11 | 深圳市磐锋精密技术有限公司 | Precision control system for thickness detection equipment based on visual analysis |
| CN116576806B (en) * | 2023-04-21 | 2024-01-26 | 深圳市磐锋精密技术有限公司 | Precision control system for thickness detection equipment based on visual analysis |
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| Publication number | Publication date |
|---|---|
| CN108317987B (en) | 2024-02-27 |
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