CN108459320A - Corrosion monitoring structure and method on the inside of Box-shaped Drainage Culvert structure based on geological radar method - Google Patents
Corrosion monitoring structure and method on the inside of Box-shaped Drainage Culvert structure based on geological radar method Download PDFInfo
- Publication number
- CN108459320A CN108459320A CN201810103915.3A CN201810103915A CN108459320A CN 108459320 A CN108459320 A CN 108459320A CN 201810103915 A CN201810103915 A CN 201810103915A CN 108459320 A CN108459320 A CN 108459320A
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- China
- Prior art keywords
- box
- shaped drainage
- drainage culvert
- geological radar
- survey line
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
Abstract
Corrosion monitoring structure and method on the inside of the Box-shaped Drainage Culvert structure based on geological radar method that the invention discloses a kind of, the detection structure includes at least one survey line being arranged on Box-shaped Drainage Culvert outer surface, and survey line is to carry out one-time detection at interval of setpoint distance by geological radar to be formed by；The detection method will be arranged in the geological radar that constant spacing is composed on the first measuring point of survey line by transmitting antenna and reception antenna, is detected to the Box-shaped Drainage Culvert at measuring point using geological radar；It is sequentially completed the detection at each point position thereon along survey line, the high-frequency electromagnetic wave reflection signal obtained obtains geological radar method sectional view after data processing, and the corrosion condition on the corresponding structure sheaf inner surface of Box-shaped Drainage Culvert is determined by geological radar method sectional view.It is an advantage of the invention that：Detection method is easy, does not need trepanning coring, and extent of corrosion on the inside of Box-shaped Drainage Culvert structure can be fast and accurately detected using the method for non-breakage.
Description
Technical field
The invention belongs to rock and soil engineering detections and technical field of measurement and test, and in particular to a kind of draining based on geological radar method
Corrosion monitoring structure and method on the inside of box culvert structure.
Background technology
Large-scale Box-shaped Drainage Culvert is the important foundation measure of municipal drainage system, and carry ensures municipal sewage collection system, transport
And improvement, safeguard the important function of city day-to-day operation.With urban construction fast development, traffic is increasingly busy, road load
Exacerbation, road broadening transformation and other peripheries engineering activities influence more and more, cause generally to be in long neglected and in disrepair at this stage
Large-scale Box-shaped Drainage Culvert there are some potential safety problemss.The leakage phenomenon of its medium-and-large-sized Box-shaped Drainage Culvert happens occasionally, by excavating
It is destroyed it was found that most of reason of leakage comes from box culvert overall structure, for example long period of soaking is in sewage, on the inside of box culvert
Surface layer's concrete is washed away by sewage often there is the phenomenon that seriously corroded.
If seriously corroded on the inside of box culvert structure, box culvert structure can be caused damaged, bearing capacity is inadequate, locally leaks, and gives
The normal handling of municipal sewage brings adverse effect, seriously jeopardizes the order of city normal operation.
Invention content
According to the deficiencies of the prior art described above, It is an object of the present invention to provide a kind of drainings based on geological radar method
Corrosion monitoring structure and method, the detection structure and method are led in several surveys line of Box-shaped Drainage Culvert surface layout on the inside of box culvert structure
It crosses geological radar to be successively detected each measuring point thereon along survey line, the geological radar high-frequency electrical in obtained survey line coverage area
Magnetic wave reflection signal obtains geological radar method sectional view after data processing, knows the draining by geological radar method sectional view
The corresponding structure sheaf current thickness of box culvert, and be compared with the design thickness of structure sheaf, to determine that Box-shaped Drainage Culvert is corresponding
Structure sheaf inner surface on corrosion condition.
The object of the invention realization is completed by following technical scheme：
A kind of Box-shaped Drainage Culvert structure inside Corrosion monitoring structure based on geological radar method, it is characterised in that the detection structure packet
Include be arranged on Box-shaped Drainage Culvert outer surface at least one survey line, the survey line made of several measuring point arrangements being spaced apart
It is to carry out one-time detection at interval of setpoint distance by geological radar to be formed by, the geological radar is by the hair with constant spacing
It penetrates antenna and reception antenna is composed.
The arrangement of measuring-line is in one or more on the upper surface of the Box-shaped Drainage Culvert, two sides.
It is smaller than 0.1m between the measuring point.
Main reinforcement or stirrup of the survey line in arrangement and in the Box-shaped Drainage Culvert are in 80 ° -90 ° of angle.
Main reinforcement or stirrup of the survey line in arrangement and in the Box-shaped Drainage Culvert are in 0 ° -180 ° of angle.
Line between the transmitting antenna and the reception antenna is arranged on the measuring point.
A kind of detection side being related to Corrosion monitoring structure on the inside of any Box-shaped Drainage Culvert structure based on geological radar method
Method, it is characterised in that described detection method includes the following steps：At least one survey line is arranged along the outer surface of the Box-shaped Drainage Culvert；
It will be arranged on the first measuring point of the survey line with the geological radar that constant spacing is composed by transmitting antenna and reception antenna,
The Box-shaped Drainage Culvert at the measuring point is detected using the geological radar；It is sequentially completed each institute thereon along the survey line
The detection at point position is stated, the high-frequency electromagnetic wave reflection signal obtained obtains geological radar method section after data processing
Figure knows the corresponding structure sheaf current thickness of the Box-shaped Drainage Culvert by the geological radar method sectional view, and with the knot
The design thickness of structure layer is compared, with the corrosion feelings on the corresponding structure sheaf inner surface of the determination Box-shaped Drainage Culvert
Condition.
At the point position, the transmitting antenna in the geological radar emits high frequency into the Box-shaped Drainage Culvert
Electromagnetic wave signal, when the high frequency electromagnetic wave signal reaches the structure sheaf inner surface and the discharge casing in the Box-shaped Drainage Culvert
High-frequency electromagnetic wave reflection signal is generated when containing internal sewage or air interface and is received by the reception antenna.
High-frequency electromagnetic wave reflection signal on survey line described in each item at each measuring point is subjected to processing and obtains three dimensional detection
Image.
It is an advantage of the invention that：Detection method is easy, does not need trepanning coring, can be quick using the method for non-breakage
Accurately extent of corrosion on the inside of detection Box-shaped Drainage Culvert structure.
Description of the drawings
Fig. 1 is the schematic diagram being detected along Box-shaped Drainage Culvert surface layout survey line using geological radar method in the present invention；
Fig. 2 is the schematic diagram being detected along the oblique survey line of Box-shaped Drainage Culvert surface layout using geological radar method in the present invention；
Fig. 3 is sectional view when being detected to Box-shaped Drainage Culvert using geological radar method in the present invention.
Specific implementation mode
The feature of the present invention and other correlated characteristics are described in further detail by embodiment below in conjunction with attached drawing, with
Convenient for the understanding of technical staff of the same trade：
Such as Fig. 1-3, respectively label is respectively in figure：Box-shaped Drainage Culvert 1, main reinforcement 2, stirrup 3, survey line 4, transmitting antenna 5, reception antenna 6,
Geological radar 7.
Embodiment：As shown in Figure 1, 2, 3, the present embodiment is specifically related to a kind of Box-shaped Drainage Culvert structure based on geological radar method
Inside Corrosion monitoring structure, the detection structure include several surveys line 4 being arranged on 1 surface of Box-shaped Drainage Culvert, and survey line 4 is for being
Subsequent geological radar 7 provides guiding role, is intervally distributed with several measuring points survey line 4 is first-class, the spacing between each measuring point is small
In 0.1m.
As shown in Figure 1, 2, 3, survey line 4 can be individually or simultaneously arranged on the upper surface or two sides of Box-shaped Drainage Culvert 1, be surveyed
For the tool of line 4 there are two types of arrangement, one of which arrangement is that survey line 4 and the angle of reinforcing bar in Box-shaped Drainage Culvert 1 is made to be 80 ° -90 °
Between or 0 ° -10 ° between, as shown in Figure 1, reinforcing bar herein refers to main reinforcement 2 or stirrup 3；Another arrangement is to make survey line 4
Between being 0 ° -180 ° with reinforcing bar angle in Box-shaped Drainage Culvert 1, as shown in Figure 2；The arrangement of two kinds of surveys line 4 all can be used, but phase
Compared under, the arrangement of the first survey line 4 is better.
As shown in Figure 1, 2, 3, geological radar 7 be specifically by transmitting antenna 5 and reception antenna 6 with fixed spacing combines and
At, and transmitting antenna 5 and reception antenna 6 go back the data acquisition being connected with a host simultaneously for geological radar 7, emit day
The frequency of line 5 and reception antenna 6 is not less than 400MHz；In specific arrangement, line between transmitting antenna 5 and reception antenna 6
Midpoint is located at corresponding point position.
As shown in Figure 1, 2, 3, the Box-shaped Drainage Culvert structure inside Corrosion monitoring structure based on geological radar method in the present embodiment
Detection method specifically include following steps：
（1）As shown in Figure 1, 2, several surveys line 4 are arranged on the top concrete outer surface of large-scale Box-shaped Drainage Culvert 1,
Each survey line 4 is specifically made of several measuring point arrangements being spacedly distributed；As shown in Figure 1, survey line 4 is being arranged in the present embodiment
When and the main reinforcement 2 in Box-shaped Drainage Culvert 1 or the angle between stirrup 3 be in 80 ° -90 °；
（2）Floating dust, the residue on 1 surface of Box-shaped Drainage Culvert at each point position are removed, ensures the smooth of contact surface as possible, a certain
Geological radar 7 is arranged at the first point position of survey line 4, specifically by the midpoint of line between transmitting antenna 5 and reception antenna 6
Correspondence is arranged at the first measuring point, and the spacing distance between transmitting antenna 5 and reception antenna 6 is fixed；Geology thunder is utilized later
It is detected up to 7, transmitting antenna 5 is made to emit high frequency electromagnetic wave signal to 1 inside configuration of Box-shaped Drainage Culvert, high frequency electromagnetic wave signal arrives
When up to 1 inner surface of Box-shaped Drainage Culvert and 1 inside sewage of box culvert or air interface, due to existing between concrete and sewage or air
Apparent difference in dielectric constant, thus will produce at the interface of the two strong high-frequency electromagnetic wave reflection signal and by reception antenna
6 receive；
（3）After detection on this bar survey line 4 to be done at first point position, geological radar 7 is moved to along survey line 4 next
At a point position, and press step（2）In detection method the measuring point is detected, to obtain the height at the point position
Frequency electromagnetic waves reflect signal；And so on, all measuring points detection on this bar survey line 4 is finished successively；And in the same way
Complete the detection of all surveys line 4 on 1 surface of Box-shaped Drainage Culvert；
（4）By high-frequency electromagnetic wave reflection signal data on collected each survey line 4 at different measuring points position carry out data
Processing analysis, obtains the two-dimentional geological radar method sectional view in each 4 coverage area of survey line or three dimensional detection image；Root later
Analysis interpretation is carried out according to the two-dimentional geological radar method sectional view or three dimensional detection image obtained：In two-dimentional geological radar method section
In figure or three dimensional detection image, the top concrete structure sheaf inner surface of Box-shaped Drainage Culvert 1 shows as strong reflection feature, can sentence accordingly
Break and the current thickness of 1 top concrete structure sheaf of Box-shaped Drainage Culvert；Detected current thickness and Box-shaped Drainage Culvert 1 are pushed up later
Design thickness when portion's concrete is completed is compared, and the two difference is bigger, then shows that extent of corrosion is more serious.
Claims (9)
1. Corrosion monitoring structure on the inside of a kind of Box-shaped Drainage Culvert structure based on geological radar method, it is characterised in that the detection structure
Including at least one survey line, the survey made of several measuring point arrangements being spaced apart being arranged on Box-shaped Drainage Culvert outer surface
Line is to carry out one-time detection at interval of setpoint distance by geological radar to be formed by, and the geological radar is by with constant spacing
Transmitting antenna and reception antenna are composed.
2. Corrosion monitoring structure on the inside of a kind of Box-shaped Drainage Culvert structure based on geological radar method according to claim 1,
It is characterized in that the arrangement of measuring-line in one or more on the upper surface of the Box-shaped Drainage Culvert, two sides.
3. Corrosion monitoring structure on the inside of a kind of Box-shaped Drainage Culvert structure based on geological radar method according to claim 1,
It is characterized in that being smaller than 0.1m between the measuring point.
4. Corrosion monitoring structure on the inside of a kind of Box-shaped Drainage Culvert structure based on geological radar method according to claim 1,
It is characterized in that main reinforcement or stirrup of the survey line in arrangement and in the Box-shaped Drainage Culvert are in 80 ° -90 ° of angle.
5. Corrosion monitoring structure on the inside of a kind of Box-shaped Drainage Culvert structure based on geological radar method according to claim 1,
It is characterized in that main reinforcement or stirrup of the survey line in arrangement and in the Box-shaped Drainage Culvert are in 0 ° -180 ° of angle.
6. Corrosion monitoring structure on the inside of a kind of Box-shaped Drainage Culvert structure based on geological radar method according to claim 1,
It is characterized in that the line between the transmitting antenna and the reception antenna is arranged on the measuring point.
7. a kind of being related in claim 1-6 Corrosion monitoring knot on the inside of any Box-shaped Drainage Culvert structure based on geological radar method
The detection method of structure, it is characterised in that described detection method includes the following steps：Along the outer surface of the Box-shaped Drainage Culvert arrange to
A few survey line；The survey line will be arranged in the geological radar that constant spacing is composed by transmitting antenna and reception antenna
On first measuring point, the Box-shaped Drainage Culvert at the measuring point is detected using the geological radar；Successively along the survey line
The detection at each point position thereon is completed, the high-frequency electromagnetic wave reflection signal obtained obtains geology after data processing
Radar method sectional view knows the corresponding structure sheaf current thickness of the Box-shaped Drainage Culvert by the geological radar method sectional view,
And be compared with the design thickness of the structure sheaf, on the corresponding structure sheaf inner surface of the determination Box-shaped Drainage Culvert
Corrosion condition.
8. the inspection of Corrosion monitoring structure on the inside of a kind of Box-shaped Drainage Culvert structure based on geological radar method according to claim 7
Survey method, it is characterised in that at the point position, the transmitting antenna in the geological radar is to the Box-shaped Drainage Culvert
Interior transmitting high frequency electromagnetic wave signal, when the high frequency electromagnetic wave signal reach in the Box-shaped Drainage Culvert structure sheaf inner surface with
It generates high-frequency electromagnetic wave reflection signal when the Box-shaped Drainage Culvert inside sewage or air interface and is received by the reception antenna.
9. the inspection of Corrosion monitoring structure on the inside of a kind of Box-shaped Drainage Culvert structure based on geological radar method according to claim 7
Survey method, it is characterised in that the high-frequency electromagnetic wave reflection signal on survey line described in each item at each measuring point is subjected to processing acquisition
Three dimensional detection image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810103915.3A CN108459320A (en) | 2018-02-02 | 2018-02-02 | Corrosion monitoring structure and method on the inside of Box-shaped Drainage Culvert structure based on geological radar method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810103915.3A CN108459320A (en) | 2018-02-02 | 2018-02-02 | Corrosion monitoring structure and method on the inside of Box-shaped Drainage Culvert structure based on geological radar method |
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| Publication Number | Publication Date |
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| CN108459320A true CN108459320A (en) | 2018-08-28 |
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| CN201810103915.3A Pending CN108459320A (en) | 2018-02-02 | 2018-02-02 | Corrosion monitoring structure and method on the inside of Box-shaped Drainage Culvert structure based on geological radar method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611695A (en) * | 2019-01-21 | 2019-04-12 | 北京中盾讯达科技有限公司 | Pipeline carrier radar corrodes leak source on-line detecting system |
| CN112415610A (en) * | 2020-10-30 | 2021-02-26 | 上海二十冶建设有限公司 | Box culvert main body structure quality detection method based on geological radar method |
| EP4130792A1 (en) * | 2021-08-06 | 2023-02-08 | Siemens Aktiengesellschaft | Method for monitoring the ageing of a surface |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611695A (en) * | 2019-01-21 | 2019-04-12 | 北京中盾讯达科技有限公司 | Pipeline carrier radar corrodes leak source on-line detecting system |
| CN112415610A (en) * | 2020-10-30 | 2021-02-26 | 上海二十冶建设有限公司 | Box culvert main body structure quality detection method based on geological radar method |
| EP4130792A1 (en) * | 2021-08-06 | 2023-02-08 | Siemens Aktiengesellschaft | Method for monitoring the ageing of a surface |
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Application publication date: 20180828 |