CN110389159A - A kind of prefabricated components Grouted density quality visualization detection method - Google Patents
A kind of prefabricated components Grouted density quality visualization detection method Download PDFInfo
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- CN110389159A CN110389159A CN201910767419.2A CN201910767419A CN110389159A CN 110389159 A CN110389159 A CN 110389159A CN 201910767419 A CN201910767419 A CN 201910767419A CN 110389159 A CN110389159 A CN 110389159A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties
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Abstract
The invention discloses a kind of prefabricated components Grouted density quality visualization detection methods, the described method comprises the following steps: S1. establishes the variation relation curve of different Grouted densities and slurries dielectric coefficient under standard grout coordinate ratio, obtains the lower slurries dielectric coefficient ε r0 of target compactness ρ 0；S2. the dielectric coefficient ε r1 that slurries under standard proportion slurries target compactness reach curing strength is obtained；S3. changed according to the reflection of electromagnetic wave spectral profile catastrophe point of hyperfrequency calutron transmitting, three-dimensional image is generated by computer graphical processing；S4. it establishes grouting material and is filled up to the lower three-dimensional image relevant to slurries dielectric coefficient ε r0 of target compactness ρ 0, the test stone as Grouted density.The present invention realizes the detection of prefabricated components Grouted density quality visualization and evaluation, has detection process conveniently, quickly, the high feature of accuracy.
Description
Technical field
The present invention relates to architectural engineering construction technique field more particularly to a kind of prefabricated components Grouted density quality visuals
Change detection method.
Background technique
Prefabricated components refer to according to design specification in the ready-made steel of factory or scene, wood or concrete component, wherein
Concrete component is very common.
The prefabricated stand column of prefabricated assembled bridge is connect with cushion cap, prefabricated stand column connect with prefabricated bent cap and is all made of novel filling
Metal bellows rebar connecting technology is starched, piece then uses high-strength mortar to connect, and in the prior art, lacks to its connector grouting quality
Few effective detection means.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of prefabricated components grouting proposed is close
Solidity quality visualization detection method.
To achieve the goals above, present invention employs following technical solutions:
A kind of prefabricated components Grouted density quality visualization detection method, the described method comprises the following steps:
S1. the variation relation curve for establishing different Grouted densities and slurries dielectric coefficient under standard grout coordinate ratio, obtains
The lower slurries dielectric coefficient ε r0 of target compactness ρ 0；
S2. the dielectric coefficient ε r1 that slurries under standard proportion slurries target compactness reach curing strength is obtained；
S3. changed according to the reflection of electromagnetic wave spectral profile catastrophe point of hyperfrequency calutron transmitting, pass through computer graphic
Shape processing generates three-dimensional image；
S4. it establishes grouting material and is filled up to the lower 3 dimensional drawing relevant to slurries dielectric coefficient ε r0 of target compactness ρ 0
Picture, the test stone as Grouted density；
S5. after the completion of being in the milk, changed by the reflection of electromagnetic wave spectral profile catastrophe point that hyperfrequency calutron emits, obtained
Three-dimensional image after must being in the milk simultaneously carries out the comparative analysis of corresponding section in grouting target solidity 3-D image, close to being in the milk
Solidity makes evaluation and treatment measures；
S6. it establishes grouting material and reaches three-dimensional image relevant to slurries dielectric coefficient ε r1 under the conditions of standard curing, make
For grouting quality evaluation criteria；
S7. after the completion of grouting maintenance, become by the reflection of electromagnetic wave spectral profile catastrophe point that hyperfrequency calutron emits
Change, the three-dimensional image after being conserved simultaneously carries out the comparative analysis of corresponding section in the strength of standard curing 3-D image, right
Grouting quality makes evaluation.
Compared with the prior art, the beneficial effects of the present invention are:
The present invention realizes the detection of prefabricated components Grouted density quality visualization and evaluation, has detection process conveniently,
Quickly, the high feature of accuracy.
Specific embodiment
A kind of prefabricated components Grouted density quality visualization detection method, the described method comprises the following steps:
S1. the variation relation curve for establishing different Grouted densities and slurries dielectric coefficient under standard grout coordinate ratio, obtains
The lower slurries dielectric coefficient ε r0 of target compactness ρ 0；
S2. the dielectric coefficient ε r1 that slurries under standard proportion slurries target compactness reach curing strength is obtained；
S3. changed according to the reflection of electromagnetic wave spectral profile catastrophe point of hyperfrequency calutron transmitting, pass through computer graphic
Shape processing generates three-dimensional image；
S4. it establishes grouting material and is filled up to the lower 3 dimensional drawing relevant to slurries dielectric coefficient ε r0 of target compactness ρ 0
Picture, the test stone as Grouted density；
S5. after the completion of being in the milk, changed by the reflection of electromagnetic wave spectral profile catastrophe point that hyperfrequency calutron emits, obtained
Three-dimensional image after must being in the milk simultaneously carries out the comparative analysis of corresponding section in grouting target solidity 3-D image, close to being in the milk
Solidity makes evaluation and treatment measures；
S6. it establishes grouting material and reaches three-dimensional image relevant to slurries dielectric coefficient ε r1 under the conditions of standard curing, make
For grouting quality evaluation criteria；
S7. after the completion of grouting maintenance, become by the reflection of electromagnetic wave spectral profile catastrophe point that hyperfrequency calutron emits
Change, the three-dimensional image after being conserved simultaneously carries out the comparative analysis of corresponding section in the strength of standard curing 3-D image, right
Grouting quality makes evaluation.
Basic principle of the invention is as follows:
Signal is passed to media interior in the form of broadband short pulse, in dielectric surface by uhf electromagnetic wave, path,
Waveform by with changed by the electrical property and geometric shape of medium, through groud surface or objective body reflection after return, by public affairs
Formula:
D=V* △ T/2=C* △ T/2 (ε r/2) finds out the depth of reflecting interface；
Wherein: D is electromagnetic wave propagation distance；
C is the aerial spread speed of electromagnetic wave；
△ T is the TWT of electromagnetic wave in the medium；
ε r is the relative dielectric constant of medium.
It is analyzed and processed by the wave character to reflection of electromagnetic wave signal, such as phase, frequency and amplitude, to infer
Structure and distributional pattern inside measured target body etc..
The medium that grout hole is related to is mainly concrete, grouting liquid and reinforcing bar, passes through the diversity judgement of three's dielectric coefficient
The form of contact surface judges the compactness of slurries by the changes in spatial distribution of slurries dielectric coefficient.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (1)
1. a kind of prefabricated components Grouted density quality visualization detection method, which is characterized in that the method includes following steps
It is rapid:
S1. the variation relation curve for establishing different Grouted densities and slurries dielectric coefficient under standard grout coordinate ratio, obtains target
The lower slurries dielectric coefficient ε r0 of compactness ρ 0；
S2. the dielectric coefficient ε r1 that slurries under standard proportion slurries target compactness reach curing strength is obtained；
S3. changed according to the reflection of electromagnetic wave spectral profile catastrophe point of hyperfrequency calutron transmitting, at computer graphical
Reason generates three-dimensional image；
S4. it establishes grouting material and is filled up to the lower three-dimensional image relevant to slurries dielectric coefficient ε r0 of target compactness ρ 0, make
For the test stone of Grouted density；
S5. after the completion of being in the milk, changed by the reflection of electromagnetic wave spectral profile catastrophe point that hyperfrequency calutron emits, filled
Three-dimensional image after slurry simultaneously carries out the comparative analysis of corresponding section in grouting target solidity 3-D image, to Grouted density
Make evaluation and treatment measures；
Signal is passed to media interior, path, waveform in the form of broadband short pulse, in dielectric surface by uhf electromagnetic wave
By with changed by the electrical property and geometric shape of medium, through groud surface or objective body reflection after return, by formula:
D=V* △ T/2=C* △ T/2 (ε r/2) finds out the depth of reflecting interface；
Wherein: D is electromagnetic wave propagation distance；
C is the aerial spread speed of electromagnetic wave；
△ T is the TWT of electromagnetic wave in the medium；
ε r is the relative dielectric constant of medium；
It is analyzed and processed by the wave character to reflection of electromagnetic wave signal, such as phase, frequency and amplitude, to infer tested
Structure and distributional pattern inside objective body etc.；
The medium that grout hole is related to is mainly concrete, grouting liquid and reinforcing bar, is contacted by the diversity judgement of three's dielectric coefficient
The form in face judges the compactness of slurries by the changes in spatial distribution of slurries dielectric coefficient；
S6. it establishes grouting material and reaches three-dimensional image relevant to slurries dielectric coefficient ε r1 under the conditions of standard curing, as filling
Starch performance rating standard；
S7. after the completion of grouting maintenance, changed by the reflection of electromagnetic wave spectral profile catastrophe point that hyperfrequency calutron emits, obtained
Three-dimensional image after must conserving simultaneously carries out the comparative analysis of corresponding section in the strength of standard curing 3-D image, to grouting matter
Amount makes evaluation.
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Citations (9)
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|---|---|---|---|---|
| CN102818852A (en) * | 2011-06-10 | 2012-12-12 | 杭州海儿科技有限公司 | Test method and system for grouting compactness of pre-stressed duct of bridge |
| CN104865352A (en) * | 2015-05-28 | 2015-08-26 | 中国建筑第八工程局有限公司 | Detection method and detection structure for grouting density of prefabricated part |
| CN204631008U (en) * | 2015-05-28 | 2015-09-09 | 中国建筑第八工程局有限公司 | A kind of detection architecture of Grouted density of prefabricated components |
| CN106501285A (en) * | 2016-11-08 | 2017-03-15 | 湖南联智桥隧技术有限公司 | The equipment of the mud jacking degree of compaction of Non-Destructive Testing prestress pipe and detection method |
| CN106842341A (en) * | 2017-02-16 | 2017-06-13 | 北京市道路工程质量监督站 | Bituminous paving layer detection method and device |
| CN107132274A (en) * | 2017-06-16 | 2017-09-05 | 四川升拓检测技术股份有限公司 | A kind of method of testing of bridge prestress pore channel Grouted density |
| CN108656330A (en) * | 2018-07-12 | 2018-10-16 | 上海建工集团股份有限公司 | Concrete prefabricated element maintenance monitoring and quality evaluating method and system |
| CN109187668A (en) * | 2018-08-24 | 2019-01-11 | 武汉理工大学 | Compactness lossless detection method based on asphalt dielectric property |
| CN109541689A (en) * | 2018-11-30 | 2019-03-29 | 中铁第四勘察设计院集团有限公司 | A kind of medium compactness evaluation method based on reflected energy feature |
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2019
- 2019-08-20 CN CN201910767419.2A patent/CN110389159A/en active Pending
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|---|---|---|---|---|
| CN102818852A (en) * | 2011-06-10 | 2012-12-12 | 杭州海儿科技有限公司 | Test method and system for grouting compactness of pre-stressed duct of bridge |
| CN104865352A (en) * | 2015-05-28 | 2015-08-26 | 中国建筑第八工程局有限公司 | Detection method and detection structure for grouting density of prefabricated part |
| CN204631008U (en) * | 2015-05-28 | 2015-09-09 | 中国建筑第八工程局有限公司 | A kind of detection architecture of Grouted density of prefabricated components |
| CN106501285A (en) * | 2016-11-08 | 2017-03-15 | 湖南联智桥隧技术有限公司 | The equipment of the mud jacking degree of compaction of Non-Destructive Testing prestress pipe and detection method |
| CN106842341A (en) * | 2017-02-16 | 2017-06-13 | 北京市道路工程质量监督站 | Bituminous paving layer detection method and device |
| CN107132274A (en) * | 2017-06-16 | 2017-09-05 | 四川升拓检测技术股份有限公司 | A kind of method of testing of bridge prestress pore channel Grouted density |
| CN108656330A (en) * | 2018-07-12 | 2018-10-16 | 上海建工集团股份有限公司 | Concrete prefabricated element maintenance monitoring and quality evaluating method and system |
| CN109187668A (en) * | 2018-08-24 | 2019-01-11 | 武汉理工大学 | Compactness lossless detection method based on asphalt dielectric property |
| CN109541689A (en) * | 2018-11-30 | 2019-03-29 | 中铁第四勘察设计院集团有限公司 | A kind of medium compactness evaluation method based on reflected energy feature |
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Application publication date: 20191029 |