CN108169336A - Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure and method based on ultrasonic Imaging Method - Google Patents
Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure and method based on ultrasonic Imaging Method Download PDFInfo
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- CN108169336A CN108169336A CN201810103927.6A CN201810103927A CN108169336A CN 108169336 A CN108169336 A CN 108169336A CN 201810103927 A CN201810103927 A CN 201810103927A CN 108169336 A CN108169336 A CN 108169336A
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- box
- detection
- shaped drainage
- ultrasonic
- drainage culvert
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0654—Imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
Abstract
The invention discloses a kind of Box-shaped Drainage Culvert structure reinforcing bars distribution detection structures and method based on ultrasonic Imaging Method, the detection structure includes being arranged in at least one detection survey line on Box-shaped Drainage Culvert surface, and detection survey line carries out one-time detection at interval of setpoint distance by ultrasonic mapping device and formed；The ultrasonic mapping device being composed of ultrasonic wave transmitting probe and ultrasonic wave receiving transducer is arranged on the first measuring point of detection survey line by the detection method, and the Box-shaped Drainage Culvert at measuring point is detected using ultrasonic mapping device；The detection at each point position is sequentially completed along detection survey line, the ultrasonic reflections signal obtained obtains ultrasonic Imaging Method sectional view after data processing, the reinforcing bar distribution situation in Box-shaped Drainage Culvert is determined by ultrasonic Imaging Method sectional view.It is an advantage of the invention that:Detection method is easy to operate, and testing result is accurate, does not need to trepanning coring, and the reinforcing bar that can be fast and accurately detected using the method for non-breakage in Box-shaped Drainage Culvert structure is distributed.
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 ultrasonic Imaging Method
Box culvert structure reinforcing bar is distributed detection structure and method.
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 at this stage generally in long neglected and in disrepair
Large-scale Box-shaped Drainage Culvert there are some potential safety problemss.The Seepage 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 to be corroded so that the phenomenon that seriously corroded often occurs in box culvert internal structure reinforcing bar.
Reinforcing bar maintains the overall structure of box culvert to a certain extent inside box culvert, if internal reinforcement corrosion is serious, box culvert
Overall structure can be affected, not only shorten the service life of structural system, maintenance cost increased, also to municipal sewage
Normal handling bring adverse effect, seriously jeopardize 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 ultrasonic Imaging Method
Box culvert structure reinforcing bar is distributed detection structure and method, the detection structure and method in Box-shaped Drainage Culvert surface layout by several intervals point
The detection survey line that the measuring point of cloth is formed is detected each measuring point along detection survey line by ultrasonic mapping device successively, so as to
The ultrasonic Imaging Method sectional view in detection survey line coverage area is obtained, to determine the reinforcing bar distribution situation in Box-shaped Drainage Culvert.
The object of the invention realization is completed by following technical scheme：
A kind of Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure based on ultrasonic Imaging Method, it is characterised in that the detection structure packet
At least one detection survey line for being arranged in Box-shaped Drainage Culvert surface is included, the detection survey line is at interval of setting by ultrasonic mapping device
Distance carries out what one-time detection was formed, and the ultrasound mapping device is by ultrasonic wave transmitting probe and ultrasonic wave receiving transducer with solid
Determining deviation combination is formed.
The detection survey line can be one or both of main reinforcement detection survey line, stirrup detection survey line.
The arranged direction that main ribs detect main reinforcement in survey line and the Box-shaped Drainage Culvert is in 80 ° -90 ° of angle；The hoop
The arranged direction that muscle detects stirrup in survey line and the Box-shaped Drainage Culvert is in 80 ° -90 ° of angle.
It is described detection survey line rearranged by several measuring points being spaced apart in the Box-shaped Drainage Culvert surface, the measuring point it
Between point away from less than 0.1m；It is described ultrasound mapping device in the ultrasonic wave transmitting probe and the ultrasonic wave receiving transducer it
Between line midpoint be located on the measuring point.
The detection arrangement of measuring-line is in one or more on the upper surface of the Box-shaped Drainage Culvert, two sides.
A kind of detection side for being related to any Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure based on ultrasonic Imaging Method
Method, it is characterised in that described detection method includes the following steps：Along several measuring points of surface arranged for interval of Box-shaped Drainage Culvert to form
Detect survey line；The ultrasonic mapping device being composed of ultrasonic wave transmitting probe and ultrasonic wave receiving transducer is arranged in first
On the measuring point, the Box-shaped Drainage Culvert at the measuring point is detected using the ultrasonic mapping device；Along the detection
Survey line is sequentially completed the detection at each point position, and the ultrasonic reflections signal obtained obtains ultrasound after data processing
Imaging Method sectional view determines the reinforcing bar distribution situation in the Box-shaped Drainage Culvert by the ultrasonic Imaging Method sectional view.
At the point position, the ultrasonic wave transmitting probe in the ultrasound mapping device is to the Box-shaped Drainage Culvert
Interior transmitting ultrasonic signal, the ultrasonic wave receiving transducer reception come from the ultrasonic reflections that the Box-shaped Drainage Culvert internal reflection is returned
Signal.
The ultrasound Imaging Method sectional view can after processing be obtained by the ultrasonic reflections signal of the single measuring point,
It can also be obtained after ultrasonic reflections signal splicing by each measuring point on the detection survey line.
Judge that the method that the reinforcing bar is distributed in the Box-shaped Drainage Culvert is：It is described in the ultrasonic Imaging Method sectional view
The reinforcement location shows as believing with the ultrasonic reflections for generating difference at the interface of surrounding concrete medium in Box-shaped Drainage Culvert
Number.
Survey line and at least one stirrup detection survey line are detected at least one main reinforcement of Box-shaped Drainage Culvert surface layout, is utilized
Ultrasonic reflections signal on main ribs detection survey line and stirrup detection survey line at each measuring point is after split is handled
It obtains a Zhang San and ties up detection image.
It is an advantage of the invention that：Detection method is easy to operate, and testing result is accurate, does not need to trepanning coring, and utilization is non-
Damaged method can fast and accurately detect the reinforcing bar distribution in Box-shaped Drainage Culvert structure.
Description of the drawings
Fig. 1 is to be shown in the present invention using ultrasonic Imaging Method along what Box-shaped Drainage Culvert surface layout main reinforcement detection survey line was detected
It is intended to；
Fig. 2 is the signal being detected in the present invention using ultrasonic Imaging Method along Box-shaped Drainage Culvert surface layout stirrup detection survey line
Figure；
Fig. 3 is sectional view when being detected in the present invention using ultrasonic Imaging Method Box-shaped Drainage Culvert.
Specific embodiment
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, detection survey line 4, ultrasonic wave transmitting probe 5,
Ultrasonic wave receiving transducer 6, ultrasonic mapping device 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 ultrasonic Imaging Method
Reinforcing bar is distributed detection structure, which includes at least one detection survey line 4 for being arranged in 1 surface of Box-shaped Drainage Culvert, and detection is surveyed
Line 4 is specifically what is be made of several measuring points being intervally arranged, is disposed on detection survey line 4 and is reflected for the ultrasound being detected
As device 7, detection survey line 4 carries out one-time detection at interval of certain distance by ultrasonic mapping device 7 and is formed, ultrasonic image
A host for data acquisition is also associated on device 7.
As shown in Figure 1, 2, 3, detection survey line 4 can individually or simultaneously be arranged in the upper surface and two sides of Box-shaped Drainage Culvert 1
On, in addition, detection survey line 4 can be divided into main reinforcement detection survey line 4 and stirrup detection survey line 4 in actual arrangement；As shown in Figure 1, its
In main reinforcement detection survey line 4 in arrangement with Box-shaped Drainage Culvert 1 in main reinforcement 2 trend in 80 ° -90 ° of angle；As shown in Fig. 2, its
In stirrup detection survey line 4 in arrangement with Box-shaped Drainage Culvert 1 in stirrup 3 trend in 80 ° -90 ° of angle.Need what is illustrated
It is that the spacing detected in survey line 4 between each measuring point is not less than 0.1m.
As shown in Figure 1, 2, 3, ultrasonic mapping device 7 is specifically by ultrasonic wave transmitting probe 5 and ultrasonic wave receiving transducer 6
It is composed with fixed spacing, in specific arrangement, line between ultrasonic wave transmitting probe 5 and ultrasonic wave receiving transducer 6
Midpoint be located at corresponding point position.
As shown in Figure 1, 2, 3, the Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure based on ultrasonic Imaging Method in the present embodiment
Detection method specifically include following steps：
（1）As shown in Figure 1, 2, its interior main reinforcement 2 and the substantially trend of stirrup 3 are known according to the trend of Box-shaped Drainage Culvert 1, in large size
Several detection surveys line 4 of structural concrete surface layout of Box-shaped Drainage Culvert 1, the detection survey line 4 arranged include main reinforcement detection and survey
Line 4 and stirrup detection survey line 4, as shown in Figure 1, main reinforcement detect survey line 4 in arrangement with Box-shaped Drainage Culvert 1 in the trend of main reinforcement 2 be in
80 ° -90 ° of angle；As shown in Fig. 2, stirrup detect survey line 4 arrangement when with Box-shaped Drainage Culvert 1 in stirrup 3 trend in 80 °-
90 ° of angle；Wherein, respectively detection survey line 4 is specifically to be formed by several measuring point arrangements being spacedly distributed；
（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
The ultrasonic mapping device 7 of arrangement at the first point position of survey line 4 is detected, specifically by its interior ultrasonic wave transmitting probe 5 and ultrasound
The midpoint of line corresponds to and is arranged at the first measuring point, and make ultrasonic mapping device 7 and Box-shaped Drainage Culvert 1 between wave receiving transducer 6
Surface coupling it is good, and the spacing distance between ultrasonic wave transmitting probe 5 and ultrasonic wave receiving transducer 6 is fixed；It carries out later
Detection, data acquisition modes use flat survey method, make ultrasonic wave transmitting probe 5 to 1 inside configuration of Box-shaped Drainage Culvert transmitting ultrasonic wave letter
Number, at the same time, ultrasonic wave receiving transducer 6 is received between 1 inside configuration reinforcing bar of Box-shaped Drainage Culvert and concrete interface
Ultrasonic reflections signal is simultaneously stored, ultrasonic reflections signal include measured waveform, sound when and wave amplitude；
（3）After this to be done detects the detection on survey line 4 at first point position, ultrasonic mapping device 7 is moved to down
At one point position, and by step（2）In detection method the measuring point is detected, so as to obtain at the point position
Ultrasonic reflections signal；And so on, all measuring points detection successively detected this bar on survey line 4 finishes；And with same side
Method completes the detection of all detection surveys line 4 on 1 surface of Box-shaped Drainage Culvert；
（4）By ultrasonic reflections signal data on collected each item detection survey line 4 at different measuring points position carry out data
Processing analysis forms the ultrasonic Imaging Method sectional view of two dimension, certainly, survey line 4 is detected when there are main reinforcement detection surveys line 4 and stirrup
In the case of, it can also the three-dimensional detection image of split composition；Later according to the ultrasonic Imaging Method sectional view of two dimension and three-dimensional inspection
Altimetric image determines exact reinforcing bar distribution situation in Box-shaped Drainage Culvert 1, and reinforcing bar herein specifically refers to main reinforcement 2 and stirrup 3, specifically
Judgement is construed to：Strong reflection and diffraction are shown as according to reinforcing bar in the ultrasonic Imaging Method sectional view of two dimension and three-dimensional detection image
Deng the reflex being had differences with surrounding concrete medium, the definite distributing position of reinforcing bar in Box-shaped Drainage Culvert 1 can determine whether accordingly,
So that it is determined that the distribution of large-scale 1 inner structure main reinforcement 2 of Box-shaped Drainage Culvert and stirrup 3.
Claims (10)
- A kind of 1. Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure based on ultrasonic Imaging Method, it is characterised in that the detection structure At least one detection survey line including being arranged in Box-shaped Drainage Culvert surface, the detection survey line is at interval of setting by ultrasonic mapping device Set a distance carries out one-time detection and is formed, the ultrasound mapping device by ultrasonic wave transmitting probe and ultrasonic wave receiving transducer with Constant spacing combination is formed.
- 2. a kind of Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure based on ultrasonic Imaging Method according to claim 1, It can be one or both of main reinforcement detection survey line, stirrup detection survey line to be characterized in that the detection survey line.
- 3. a kind of Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure based on ultrasonic Imaging Method according to claim 2, The arranged direction for being characterized in that main reinforcement in main ribs detection survey line and the Box-shaped Drainage Culvert is in 80 ° -90 ° of angle；The hoop The arranged direction that muscle detects stirrup in survey line and the Box-shaped Drainage Culvert is in 80 ° -90 ° of angle.
- 4. a kind of Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure based on ultrasonic Imaging Method according to claim 1 or 2, It is characterized in that the detection survey line is rearranged by several measuring points being spaced apart in the Box-shaped Drainage Culvert surface, the measuring point Between point away from less than 0.1m；The ultrasonic wave transmitting probe and the ultrasonic wave receiving transducer in the ultrasound mapping device Between line midpoint be located on the measuring point.
- 5. a kind of Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure based on ultrasonic Imaging Method according to claim 1 or 2, It is characterized in that the detection arrangement of measuring-line is in one or more on the upper surface of the Box-shaped Drainage Culvert, two sides.
- 6. a kind of be related to any Box-shaped Drainage Culvert structure reinforcing bars distribution detection knot based on ultrasonic Imaging Method in claim 1-5 The detection method of structure, it is characterised in that described detection method includes the following steps：It is several along the surface arranged for interval of Box-shaped Drainage Culvert Measuring point is to form detection survey line；The ultrasonic mapping device cloth that will be composed of ultrasonic wave transmitting probe and ultrasonic wave receiving transducer It is placed on first measuring point, the Box-shaped Drainage Culvert at the measuring point is detected using the ultrasonic mapping device； The detection at each point position is sequentially completed along the detection survey line, the ultrasonic reflections signal obtained is through data processing Ultrasonic Imaging Method sectional view is obtained afterwards, determines that the reinforcing bar in the Box-shaped Drainage Culvert is distributed feelings by the ultrasonic Imaging Method sectional view Condition.
- 7. a kind of inspection of Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure based on ultrasonic Imaging Method according to claim 6 Survey method, it is characterised in that at the point position, the ultrasonic wave transmitting probe in the ultrasound mapping device is to institute Transmitting ultrasonic signal in Box-shaped Drainage Culvert is stated, the ultrasonic wave receiving transducer reception comes from what the Box-shaped Drainage Culvert internal reflection was returned Ultrasonic reflections signal.
- 8. a kind of inspection of Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure based on ultrasonic Imaging Method according to claim 6 Survey method, it is characterised in that the ultrasound Imaging Method sectional view can be by the ultrasonic reflections signal of the single measuring point through place It obtains, can also be obtained after the ultrasonic reflections signal splicing by each measuring point on the detection survey line after reason.
- 9. a kind of inspection of Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure based on ultrasonic Imaging Method according to claim 6 Survey method, it is characterised in that judge that the method that the reinforcing bar is distributed in the Box-shaped Drainage Culvert is：In the ultrasonic Imaging Method section In figure, the reinforcement location shows as the ultrasound with generating difference at the interface of surrounding concrete medium in the Box-shaped Drainage Culvert Wave reflection signal.
- 10. a kind of Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure based on ultrasonic Imaging Method according to claim 6 Detection method, it is characterised in that detect survey line and the inspection of at least one stirrup at least one main reinforcement of Box-shaped Drainage Culvert surface layout Survey line is surveyed, the ultrasonic reflections signal detected on survey line and stirrup detection survey line at each measuring point using main ribs is passed through A Zhang San, which is obtained, after split processing ties up detection image.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810103927.6A CN108169336A (en) | 2018-02-02 | 2018-02-02 | Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure and method based on ultrasonic Imaging Method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810103927.6A CN108169336A (en) | 2018-02-02 | 2018-02-02 | Box-shaped Drainage Culvert structure reinforcing bars distribution detection structure and method based on ultrasonic Imaging Method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203373A (en) * | 2021-04-07 | 2021-08-03 | 同济大学 | Method for detecting internal size of mortise and tenon joint based on ultrasonic waves |
| CN114706121A (en) * | 2021-12-14 | 2022-07-05 | 上海勘察设计研究院(集团)有限公司 | Large-scale drainage box culvert positioning method based on multi-offset-distance seismic mapping |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1761871A (en) * | 2003-02-21 | 2006-04-19 | 吉多·D·K·德莫莱奇 | Method and apparatus for scanning corrosion and surface defects |
| CN1978977A (en) * | 2006-12-01 | 2007-06-13 | 北京工业大学 | Supersonic guide-wave time reversion detection apparatus and method for defect of pipeline |
| CN104964921A (en) * | 2015-06-09 | 2015-10-07 | 北京石油化工学院 | Steel bar corrosion degree detection system and detection method thereof |
| CN106597568A (en) * | 2016-12-26 | 2017-04-26 | 上海岩土工程勘察设计研究院有限公司 | Large-scale drainage pipe culvert positioning method |
-
2018
- 2018-02-02 CN CN201810103927.6A patent/CN108169336A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1761871A (en) * | 2003-02-21 | 2006-04-19 | 吉多·D·K·德莫莱奇 | Method and apparatus for scanning corrosion and surface defects |
| CN1978977A (en) * | 2006-12-01 | 2007-06-13 | 北京工业大学 | Supersonic guide-wave time reversion detection apparatus and method for defect of pipeline |
| CN104964921A (en) * | 2015-06-09 | 2015-10-07 | 北京石油化工学院 | Steel bar corrosion degree detection system and detection method thereof |
| CN106597568A (en) * | 2016-12-26 | 2017-04-26 | 上海岩土工程勘察设计研究院有限公司 | Large-scale drainage pipe culvert positioning method |
Non-Patent Citations (8)
| Title |
|---|
| 余凯华 等: "既有大口径排水箱涵结构检测及其安全性分析", 《给水排水》 * |
| 张南: "《桥梁结构质量控制技术与工程实例》", 30 November 2010, 中国电力出版社 * |
| 李慧民 等: "《土木工程安全检测与鉴定》", 30 June 2014, 冶金工业出版社 * |
| 杨其新 等: "《地下工程施工与管理》", 31 August 2015, 西南交通大学出版社 * |
| 海涛: "《传感器与检测技术》", 31 May 2016, 重庆大学出版社 * |
| 路韡 等: "《土木工程结构实验与检测实用技术》", 31 March 2015, 西南交通大学出版社 * |
| 铁道部运输局基础部 中国铁道学会工务委员会: "《铁道工务 第3册》", 31 August 2009, 中国铁道出版社 * |
| 鲍月全 等: "受腐蚀大口径排水管道结构安全评估与保护研究综述", 《城市道桥与防洪》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203373A (en) * | 2021-04-07 | 2021-08-03 | 同济大学 | Method for detecting internal size of mortise and tenon joint based on ultrasonic waves |
| CN114706121A (en) * | 2021-12-14 | 2022-07-05 | 上海勘察设计研究院(集团)有限公司 | Large-scale drainage box culvert positioning method based on multi-offset-distance seismic mapping |
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