CN208520992U - Corrosion monitoring structure on the inside of Box-shaped Drainage Culvert structure based on geological radar method - Google Patents
Corrosion monitoring structure on the inside of Box-shaped Drainage Culvert structure based on geological radar method Download PDFInfo
- Publication number
- CN208520992U CN208520992U CN201820179310.8U CN201820179310U CN208520992U CN 208520992 U CN208520992 U CN 208520992U CN 201820179310 U CN201820179310 U CN 201820179310U CN 208520992 U CN208520992 U CN 208520992U
- Authority
- CN
- China
- Prior art keywords
- box
- shaped drainage
- drainage culvert
- geological radar
- survey line
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000007797 corrosion Effects 0.000 title claims abstract description 19
- 238000005260 corrosion Methods 0.000 title claims abstract description 19
- 238000012544 monitoring process Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 230000002787 reinforcement Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 abstract description 4
- 239000010865 sewage Substances 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
Corrosion monitoring structure on the inside of the Box-shaped Drainage Culvert structure based on geological radar method that the utility model 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 set distance by geological radar to be formed by；The detection method will be arranged on the first measuring point of survey line by transmitting antenna and receiving antenna with the geological radar that constant spacing is composed, and be detected using geological radar to the Box-shaped Drainage Culvert at measuring point；It is sequentially completed the detection at each point position thereon along survey line, high-frequency electromagnetic wave reflection signal obtained obtains geological radar method sectional view after data processing, determines the corrosion condition on the corresponding structure sheaf inner surface of Box-shaped Drainage Culvert by geological radar method sectional view.The utility model has the advantages that: detection method is easy, does not need aperture coring, can fast and accurately detect extent of corrosion on the inside of Box-shaped Drainage Culvert structure using the method for non-breakage.
Description
Technical field
The utility model belongs to rock and soil engineering detection and the field of test technology, and in particular to a kind of based on geological radar method
Corrosion monitoring structure on the inside of Box-shaped Drainage Culvert structure.
Background technique
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 periphery engineering activities influence more and more, cause at this stage generally in long neglected and in disrepair
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 was found that most of reason of leakage is destroyed 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 breakage will lead to, 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.
Summary of the invention
The purpose of this utility model is a kind of based on geological radar method according to providing in place of above-mentioned the deficiencies in the prior art
Corrosion monitoring structure on the inside of Box-shaped Drainage Culvert structure, the detection structure pass through geology thunder in several surveys line of Box-shaped Drainage Culvert surface layout
Successively each measuring point thereon is detected up to along survey line, the geological radar high-frequency electromagnetic wave reflection in obtained survey line coverage area
Signal obtains geological radar method sectional view after data processing, knows that the Box-shaped Drainage Culvert is opposite by geological radar method sectional view
The structure sheaf current thickness answered, and be compared with the design thickness of structure sheaf, to determine the corresponding structure sheaf of Box-shaped Drainage Culvert
Corrosion condition on inner surface.
The utility model aim 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 knot
Structure includes at least one survey line as made of several measuring point arrangements being spaced apart being arranged on Box-shaped Drainage Culvert outer surface, described
Survey line is to carry out one-time detection at interval of set distance by geological radar to be formed by, and the geological radar is by with constant spacing
Transmitting antenna and receiving antenna be composed.
The arrangement of measuring-line is in one or more on the upper surface, two sides of the Box-shaped Drainage Culvert.
Spacing between the measuring point is less than 0.1m.
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 receiving antenna is arranged on the measuring point.
It is a kind of to be related to the detection side of 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 by transmitting antenna and receiving antenna with the geological radar that constant spacing is composed,
The Box-shaped Drainage Culvert at the measuring point is detected using the geological radar；Each institute thereon is sequentially completed along the survey line
The detection at point position is stated, 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 receiving antenna.
High-frequency electromagnetic wave reflection signal at the measuring point each on survey line described in each item is subjected to processing and obtains three dimensional detection
Image.
The utility model has the advantages that: detection method is easy, does not need aperture coring, can be with using the method for non-breakage
Fast and accurately extent of corrosion on the inside of detection Box-shaped Drainage Culvert structure.
Detailed description of the invention
Fig. 1 is the signal detected using geological radar method along Box-shaped Drainage Culvert surface layout survey line in the utility model
Figure；
Fig. 2 is to be shown using geological radar method along what the oblique survey line of Box-shaped Drainage Culvert surface layout was detected in the utility model
It is intended to；
Fig. 3 is cross-sectional view when being detected using geological radar method to Box-shaped Drainage Culvert in the utility model.
Specific embodiment
The feature of the utility model and other correlated characteristics are made further specifically by embodiment below in conjunction with attached drawing
It is bright, in order to the understanding of technical staff of the same trade:
Such as Fig. 1-3, respectively label is respectively as follows: Box-shaped Drainage Culvert 1, main reinforcement 2, stirrup 3, survey line 4, transmitting antenna 5, receives day in figure
Line 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, several measuring points is intervally distributed on survey line 4 etc., 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 arrangement is 80 ° -90 ° of angle for making reinforcing bar in survey line 4 and Box-shaped Drainage Culvert 1
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
It is between 0 ° -180 °, as shown in Figure 2 with reinforcing bar angle in Box-shaped Drainage Culvert 1；The arrangement of two kinds of surveys line 4 all can be used, but phase
Compared under, the arrangement better effect of the first survey line 4.
As shown in Figure 1, 2, 3, geological radar 7 be specifically by transmitting antenna 5 and receiving antenna 6 with fixed spacing combines and
At, and transmitting antenna 5 and receiving 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 receiving antenna 6 is not less than 400MHz；In specific arrangement, line between transmitting antenna 5 and receiving antenna 6
Midpoint is located at corresponding point position.
As shown in Figure 1, 2, 3, Corrosion monitoring structure on the inside of the Box-shaped Drainage Culvert structure in the present embodiment based on geological radar method
Detection method specifically includes the following steps:
(1) as shown in Figure 1, 2, several surveys are arranged on the top concrete outer surface of large-scale Box-shaped Drainage Culvert 1
Line 4, each survey line 4 are specifically as made of several measuring point arrangements being spacedly distributed；As shown in Figure 1, survey line 4 exists in the present embodiment
The angle between main reinforcement 2 or stirrup 3 when arrangement and in Box-shaped Drainage Culvert 1 is in 80 ° -90 °；
(2) floating dust, the residue on 1 surface of Box-shaped Drainage Culvert at each point position are removed, guarantee contact surface is smooth as far as possible,
Geological radar 7 is arranged at the first point position of a certain survey line 4, specifically by line between transmitting antenna 5 and receiving antenna 6
Midpoint correspondence is arranged at the first measuring point, and the spacing distance between transmitting antenna 5 and receiving antenna 6 is fixed；Ground is utilized later
Matter radar 7 is detected, and transmitting antenna 5 is made to emit high frequency electromagnetic wave signal, frequency electromagnetic waves letter to 1 inside configuration of Box-shaped Drainage Culvert
Number 1 inner surface of Box-shaped Drainage Culvert is reached and when 1 inside sewage of box culvert or air interface, due between concrete and sewage or air
There are obvious difference in dielectric constant, thus can generate at the interface of the two strong high-frequency electromagnetic wave reflection signal and by receiving
Antenna 6 receives；
(3) after the detection on this bar survey line 4 to be done at first point position, geological radar 7 is moved to along survey line 4
At next point position, and the measuring point is detected by the detection method in step (2), to obtain at the point position
High-frequency electromagnetic wave reflection signal；And so on, successively all measuring points detection on this bar survey line 4 is finished；And with same
Method completes 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 Management Analysis obtains the two-dimentional geological radar method sectional view or three dimensional detection image in each 4 coverage area of survey line；It
Analysis interpretation is carried out according to two-dimentional geological radar method sectional view obtained or three dimensional detection image afterwards: in two-dimentional geological radar method
In sectional view or three dimensional detection image, the top concrete structure sheaf inner surface of Box-shaped Drainage Culvert 1 shows as strong reflection feature, accordingly
It can determine whether out the current thickness of 1 top concrete structure sheaf of Box-shaped Drainage Culvert；Later by detected current thickness and discharge casing
Contain design thickness when 1 top concrete structure sheaf is completed to be compared, the two difference is bigger, then shows that extent of corrosion is tighter
Weight.
Claims (4)
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 as made of several measuring point arrangements being spaced apart being arranged on Box-shaped Drainage Culvert outer surface, the survey
Line is to carry out one-time detection at interval of set distance by geological radar to be formed by, and the geological radar is by with constant spacing
Transmitting antenna and receiving antenna are composed；Spacing between the measuring point is less than 0.1m；The transmitting antenna and the reception
Line between antenna is arranged on the measuring point.
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, two sides of the Box-shaped Drainage Culvert.
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 main reinforcement or stirrup of the survey line in arrangement and in the Box-shaped Drainage Culvert are in 80 ° -90 ° of angle.
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 0 ° -180 ° of angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820179310.8U CN208520992U (en) | 2018-02-02 | 2018-02-02 | Corrosion monitoring structure 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 |
|---|---|---|---|
| CN201820179310.8U CN208520992U (en) | 2018-02-02 | 2018-02-02 | Corrosion monitoring structure on the inside of Box-shaped Drainage Culvert structure based on geological radar method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208520992U true CN208520992U (en) | 2019-02-19 |
Family
ID=65328127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820179310.8U Active CN208520992U (en) | 2018-02-02 | 2018-02-02 | Corrosion monitoring structure on the inside of Box-shaped Drainage Culvert structure based on geological radar method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208520992U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459320A (en) * | 2018-02-02 | 2018-08-28 | 上海岩土工程勘察设计研究院有限公司 | Corrosion monitoring structure and method on the inside of Box-shaped Drainage Culvert structure based on geological radar method |
| 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 |
-
2018
- 2018-02-02 CN CN201820179310.8U patent/CN208520992U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459320A (en) * | 2018-02-02 | 2018-08-28 | 上海岩土工程勘察设计研究院有限公司 | Corrosion monitoring structure and method on the inside of Box-shaped Drainage Culvert structure based on geological radar method |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11900630B2 (en) | Method for detecting leakage of water supply pipe based on ground-penetrating radar three-dimensional image attribute analysis | |
| Royal et al. | Site assessment of multiple-sensor approaches for buried utility detection | |
| Longoni et al. | Surface and subsurface non-invasive investigations to improve the characterization of a fractured rock mass | |
| Li et al. | Deep learning–based nondestructive evaluation of reinforcement bars using ground‐penetrating radar and electromagnetic induction data | |
| CN108459320A (en) | Corrosion monitoring structure and method on the inside of Box-shaped Drainage Culvert structure based on geological radar method | |
| CN208520992U (en) | Corrosion monitoring structure on the inside of Box-shaped Drainage Culvert structure based on geological radar method | |
| CN106597568A (en) | Large-scale drainage pipe culvert positioning method | |
| CN105093299A (en) | Observation system optimization method based on offset vector tile technology and apparatus thereof | |
| CN111798411A (en) | Intelligent positioning method for steel bars in concrete based on ground penetrating radar and deep learning | |
| CN110579760A (en) | three-dimensional presentation method and system for physical properties of mining area soil | |
| CN111665571A (en) | Geological radar detection shield tunnel segment back defect simulation model and detection method | |
| CN1603814A (en) | Intelligent on-line detection system for corrosion and leakage of underground pipeline | |
| Martino et al. | Determining ground penetrating radar amplitude thresholds for the corrosion state of reinforced concrete bridge decks | |
| CN103196991A (en) | Complete-coverage transient electromagnetic detection method for continuously diagnosing corrosion and defects of pipe body metal | |
| Geng et al. | Identifying void defects behind Tunnel composite lining based on transient electromagnetic radar method | |
| CN116774276A (en) | Quantum measurement-based seismic wave acquisition method and system | |
| CN108398486A (en) | Lossless detection method for the arrangement detection of large-scale Box-shaped Drainage Culvert structure reinforcing bars | |
| CN207763664U (en) | Corrosion monitoring structure on the inside of Box-shaped Drainage Culvert structure based on ultrasonic Imaging Method | |
| CN210243833U (en) | Drainage box culvert structure reinforcing bar distribution detects structure based on geological radar method | |
| CN114236538A (en) | Method for evaluating internal condition of asphalt pavement structure by using three-dimensional ground penetrating radar | |
| CN108387198A (en) | Lossless detection method for Corrosion monitoring on the inside of large-scale Box-shaped Drainage Culvert structure | |
| CN108413900B (en) | Detection and evaluation method for structural defects of large drainage box culvert | |
| Ékes et al. | Completing condition assessments using in-pipe GPR as pipe penetrating radar | |
| CN108303693A (en) | Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure based on geological radar method and method | |
| CN206331130U (en) | The arrangement of measuring-line structure positioned for large-scale draining pipe culvert |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 200093 No. 38 Shui Feng Road, Yangpu District, Shanghai. Patentee after: Shanghai Survey, Design and Research Institute (Group) Co.,Ltd. Address before: 200093 No. 38 Shui Feng Road, Yangpu District, Shanghai. Patentee before: SGIDI ENGINEERING CONSULTING (Group) Co.,Ltd. |
|
| CP03 | Change of name, title or address |