CN210243575U - Drainage box culvert reinforcing bar distribution detects structure based on three-dimensional ultrasonic imaging method - Google Patents
Drainage box culvert reinforcing bar distribution detects structure based on three-dimensional ultrasonic imaging method Download PDFInfo
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- CN210243575U CN210243575U CN201820179309.5U CN201820179309U CN210243575U CN 210243575 U CN210243575 U CN 210243575U CN 201820179309 U CN201820179309 U CN 201820179309U CN 210243575 U CN210243575 U CN 210243575U
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- 238000003384 imaging method Methods 0.000 title claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 title abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 79
- 239000000523 sample Substances 0.000 claims abstract description 19
- 230000002787 reinforcement Effects 0.000 claims description 20
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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Abstract
The utility model discloses a drainage box culvert reinforcing bar distribution detection structure based on three-dimensional ultrasonic imaging method, the detection structure comprises a plurality of detection measuring lines arranged on the surface of the drainage box culvert, the detection measuring lines are formed by the equidistant detection of a three-dimensional ultrasonic imager, and at least two rows of ultrasonic probes are arranged on the three-dimensional ultrasonic imager; the detection method comprises the steps of sequentially detecting each detection measuring line by using a three-dimensional ultrasonic imager to obtain an ultrasonic reflection signal, carrying out data processing to obtain a three-dimensional ultrasonic imaging method result diagram, and determining the distribution of the steel bars in the drainage box culvert through the three-dimensional ultrasonic imaging method result diagram. The utility model has the advantages that the detection method is easy and simple to handle, can realize fast detecting large-scale drainage box culvert structure reinforcing bar distribution through utilizing the detection survey line, and the detection data finally carries out the show directly perceived with the image, and the testing result is accurate, does not need the trompil to get the core, utilizes the non-damaged method can be fast accurate detection drainage box culvert structure reinforcing bar distribution.
Description
Technical Field
The utility model belongs to the technical field of geotechnical engineering detects and tests, concretely relates to drainage box culvert reinforcing bar distribution detects structure based on three-dimensional ultrasonic imaging method.
Background
The large-scale drainage box culvert is an important basic measure of a municipal drainage system and plays an important role in ensuring the collection, transportation and treatment of municipal sewage and maintaining the daily operation of cities. Along with the rapid development of urban construction, the traffic is increasingly busy, the aggravation of road load, the road widening reconstruction and other peripheral engineering activities are more and more affected, and therefore certain potential safety hazards exist in the large drainage box culvert which is generally maintained for a long time at the present stage. Wherein the seepage phenomenon of large-scale drainage box culvert takes place occasionally, discovers through the excavation, and the bulk reason of seepage comes from box culvert overall structure and receives destruction, for example soaks in sewage for a long time, and box culvert inboard surface layer concrete receives sewage and erodees and suffer the corruption for the serious phenomenon of corroding often appears in box culvert inner structure reinforcing bar.
The overall structure of box culvert is being maintained to a certain extent to the inside reinforcing bar of box culvert, if inside reinforcing bar corrodes seriously, the overall structure of box culvert can receive the influence, has not only shortened the life of structural system, has increased the maintenance cost, also brings adverse effect for municipal sewage's daily processing, seriously endangers the order of city normal operation.
Disclosure of Invention
The utility model aims at providing a drainage box culvert reinforcing bar distribution detects structure based on above-mentioned prior art's weak point, should detect structure and method and arrange a plurality of detection survey lines on drainage box culvert surface, detect each detection survey line in proper order through three-dimensional ultrasonic imaging appearance and obtain ultrasonic reflection signal to data processing obtains three-dimensional ultrasonic imaging method achievement picture, confirms the reinforcing bar distribution in the drainage box culvert through three-dimensional ultrasonic imaging method achievement picture.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a drainage box culvert reinforcing bar distribution detects structure based on three-dimensional ultrasonic imaging method, its characterized in that detect the structure including arranging in at least one detection survey line on drainage box culvert surface, it is formed by three-dimensional ultrasonic imaging appearance every interval set distance carries out once detection, three-dimensional ultrasonic imaging appearance is last to be arranged two row at least ultrasonic transducer.
The detection measuring lines are arranged at one or more positions on the upper surface and two side surfaces of the drainage box culvert.
The detection measuring line can be one or two of a main reinforcement detection measuring line and a stirrup detection measuring line.
The main rib detection measuring line and the arrangement direction of the main ribs in the drainage box culvert form an included angle of 80-90 degrees; the stirrup detection measuring line and the arrangement direction of the stirrups in the drainage box culvert form an included angle of 80-90 degrees.
The ultrasonic probe is an ultrasonic transceiving probe.
A detection method related to any drainage box culvert reinforcing steel bar distribution detection structure based on a three-dimensional ultrasonic imaging method is characterized by comprising the following steps: arranging at least one detection measuring line on the surface of the drainage box culvert; and sequentially detecting each detection measuring line by using a three-dimensional ultrasonic imager to obtain an ultrasonic reflection signal, carrying out data processing on the ultrasonic reflection signal to obtain a three-dimensional ultrasonic imaging method result diagram, and determining the distribution of the steel bars in the drainage box culvert according to the three-dimensional ultrasonic imaging method result diagram.
The method for detecting the detection measuring line by the three-dimensional ultrasonic imager comprises the following steps: arranging the three-dimensional ultrasonic imager at the position of a first measuring point on the detection measuring line, wherein a row of ultrasonic probes in the three-dimensional ultrasonic imager transmits ultrasonic signals into the concrete structure of the drainage box culvert, and when the ultrasonic signals meet the interface surface of reinforcing steel bars and concrete media around the reinforcing steel bars in the concrete structure of the drainage box culvert, ultrasonic reflection signals are generated and received by the ultrasonic probes of the other rows on the single side of the row of ultrasonic probes in the three-dimensional ultrasonic imager to obtain the ultrasonic reflection signals; and after the detection of the first measuring point is finished, moving the three-dimensional ultrasonic imager along the detection measuring line and carrying out detection once at intervals of 10-20 cm.
The steel bars comprise main bars or stirrups in the drainage box culvert; when the distribution of the main reinforcements in the bottom of the drainage box culvert is detected, the detection measuring line is arranged on the surface of the drainage box culvert and positioned between the adjacent stirrups; when detecting the distribution of the stirrups in the bottom of the drainage box culvert, the detection measuring line is arranged on the surface of the drainage box culvert and is positioned between the adjacent main reinforcements.
The method for determining the distribution of the steel bars in the drainage box culvert through the three-dimensional ultrasonic imaging method result graph comprises the following steps: in the three-dimensional ultrasonic imaging method result image, the position of the steel bar in the drainage box culvert is represented as an ultrasonic strong reflection signal which is different from the interface of the steel bar and the surrounding concrete medium.
The utility model has the advantages that: the detection method is simple and convenient to operate, the distribution of the steel bars of the large-scale drainage box culvert structure can be rapidly detected by using the detection measuring line, the detection data is finally visually displayed by using the image, the detection result is accurate, the core is taken without opening the hole, and the distribution of the steel bars of the drainage box culvert structure can be rapidly and accurately detected by using a non-damaged method.
Drawings
FIG. 1 is a cross-sectional view of a middle drainage box culvert of the utility model when being detected by a three-dimensional ultrasonic imaging method;
FIG. 2 is a schematic diagram of the detection of the drainage box culvert by arranging the main reinforcement detection measuring line along the surface of the drainage box culvert by using a three-dimensional ultrasonic imaging method;
fig. 3 is the utility model discloses utilize three-dimensional ultrasonic imaging method to arrange the stirrup along drainage box culvert surface and detect the schematic diagram that the survey line detected.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example with reference to the accompanying drawings, for the understanding of those skilled in the art:
referring to fig. 1-3, the labels 1-10 in the figures are: the drainage box culvert comprises a drainage box culvert 1, a main reinforcement 2, a stirrup 3, a main reinforcement 4, a stirrup 5, a top concrete structure 6, a bottom concrete structure 7, an ultrasonic probe 8, a three-dimensional ultrasonic imager 9 and a detection measuring line 10.
Example (b): as shown in fig. 1, 2 and 3, the present embodiment specifically relates to a drainage box culvert reinforcing steel bar distribution detection structure based on a three-dimensional ultrasonic imaging method, the detection structure includes a plurality of detection measuring lines 10 arranged on the surface of the drainage box culvert 1, the detection measuring lines 10 are formed by once detection at certain intervals by a three-dimensional ultrasonic imager 9, and the three-dimensional ultrasonic imager 9 is further connected with a host for data processing of collected ultrasonic reflection signals.
As shown in fig. 1, 2 and 3, the detection measuring lines 10 may be disposed on the upper surface and two side surfaces of the drainage box culvert 1 separately or simultaneously, each detection measuring line 10 in this embodiment is specifically disposed on the upper surface of the concrete structure 6 on the top of the drainage box culvert 1, the detection measuring lines 10 are parallel to each other, and the distance between adjacent detection measuring lines 10 is 0.1 m. In addition, the inspection gauge line 10 may be divided into a main bead inspection gauge line 10 and a stirrup inspection gauge line 10 when actually arranged; as shown in fig. 2, the main reinforcement detection measuring line 10 forms an included angle of 80-90 degrees with the direction of the main reinforcement 2 or 4 in the drainage box culvert 1 when being arranged; as shown in fig. 2, the stirrup detection measuring line 10 is arranged to form an angle of 80-90 degrees with the direction of the stirrups 3 or 5 in the drainage box culvert 1.
As shown in fig. 1, 2 and 3, 48 ultrasonic probes 8 are arranged on the three-dimensional ultrasonic imager 9, and each 4 ultrasonic probes 8 form a row, which is 12 rows in total; the ultrasonic probe 8 in the present embodiment is an ultrasonic transmitting/receiving probe, and can transmit and receive ultrasonic waves.
As shown in fig. 1, 2, and 3, the method for detecting the distribution of the reinforcing steel bars in the drainage box culvert based on the three-dimensional ultrasonic imaging method in this embodiment includes the following steps:
(1) the general trend of main reinforcements 2 and 4 and stirrups 3 and 5 in the drainage box culvert 1 is obtained according to the trend, a plurality of detection measuring lines 10 are arranged on the surface of a concrete structure 6 at the top of the large drainage box culvert 1, the arranged detection measuring lines 10 comprise main reinforcement detection measuring lines 10 and stirrup detection measuring lines 10, the detection measuring lines 10 of the same type are parallel to each other, and the distance between the adjacent detection measuring lines 10 is 10 cm;
as shown in fig. 2, the main reinforcement detection measuring line 10 forms an included angle of 80-90 degrees with the direction of the main reinforcement 2 in the drainage box culvert 1 when being arranged; as shown in fig. 3, the stirrup detection measuring line 10 forms an included angle of 80-90 degrees with the direction of the stirrups 3 in the drainage box culvert 1 when being arranged;
it should be noted that, when detecting the distribution of the main reinforcements 4 in the concrete structure 7 at the bottom of the drainage box culvert 1, each detection measuring line 10 should be arranged between adjacent stirrups 3 to obtain a better detection effect; when detecting the distribution of the stirrups 5 in the concrete structure 7 at the bottom of the drainage box culvert 1, each detection measuring line 10 is arranged between the adjacent main reinforcements 2 to obtain better detection effect;
(2) removing floating dust and residues on the surface of the drainage box culvert 1, and ensuring the flatness of a contact surface as much as possible; arranging a three-dimensional ultrasonic imager 9 at the position of a first measuring point of a certain detection measuring line 10 and detecting, wherein the specific process comprises the following steps: a row of ultrasonic probes 8 in the three-dimensional ultrasonic imager 9 transmits ultrasonic signals to the interior of the concrete structure in the drainage box culvert 1, and when the ultrasonic signals reach the interface between the main reinforcement 2 or the stirrup 3 in the concrete structure 6 at the top and the concrete medium around the main reinforcement or the stirrup 3, ultrasonic strong reflection signals are generated and received by the ultrasonic probes 8 in the remaining rows on the right side of the row of ultrasonic probes 8 in the three-dimensional ultrasonic imager 9 and are stored; of course, when the ultrasonic signal reaches the interface between the main reinforcement 4 or the stirrup 5 in the bottom concrete structure 7 and the concrete medium around the main reinforcement, the ultrasonic reflection signal is also generated and received by the ultrasonic probes 8 in the remaining rows on the right side of the row of ultrasonic probes 8 in the three-dimensional ultrasonic imager 9 and stored;
then, moving the three-dimensional ultrasonic imager 9 along the detection measuring line 10 and carrying out detection once at intervals of 10-20 cm;
(3) according to the step (2), the detection on all the detection measuring lines 10 is sequentially finished by utilizing the three-dimensional ultrasonic imager 9, ultrasonic reflection signals on all the detection measuring lines 10 are obtained, and a three-dimensional ultrasonic imaging method result diagram including section data, plane data or three-dimensional data can be obtained after data processing of a host; the main reinforcements 2 and 4 and the stirrups 3 and 5 in the drainage box culvert 1 can show a strong reflection phenomenon different from a surrounding concrete medium in a three-dimensional ultrasonic imaging method result diagram.
Claims (2)
1. A drainage box culvert reinforcing steel bar distribution detection structure based on a three-dimensional ultrasonic imaging method is characterized in that the detection structure comprises at least one detection measuring line arranged on the surface of a drainage box culvert, the detection measuring line is formed by carrying out detection once by a three-dimensional ultrasonic imager at intervals of a set distance, and at least two rows of ultrasonic probes are arranged on the three-dimensional ultrasonic imaging detector; the detection measuring line comprises a main reinforcement detection measuring line and a stirrup detection measuring line; the main rib detection measuring line and the arrangement direction of the main ribs in the drainage box culvert form an included angle of 80-90 degrees; the stirrup detection measuring line and the arrangement direction of the stirrups in the drainage box culvert form an included angle of 80-90 degrees; the detection measuring lines are arranged at one or more positions on the upper surface and two side surfaces of the drainage box culvert.
2. The structure of claim 1, wherein the ultrasonic probe is an ultrasonic transceiver probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820179309.5U CN210243575U (en) | 2018-02-02 | 2018-02-02 | Drainage box culvert reinforcing bar distribution detects structure based on three-dimensional ultrasonic imaging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820179309.5U CN210243575U (en) | 2018-02-02 | 2018-02-02 | Drainage box culvert reinforcing bar distribution detects structure based on three-dimensional ultrasonic imaging method |
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| Publication Number | Publication Date |
|---|---|
| CN210243575U true CN210243575U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820179309.5U Active CN210243575U (en) | 2018-02-02 | 2018-02-02 | Drainage box culvert reinforcing bar distribution detects structure based on three-dimensional ultrasonic imaging method |
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| Country | Link |
|---|---|
| CN (1) | CN210243575U (en) |
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2018
- 2018-02-02 CN CN201820179309.5U patent/CN210243575U/en active Active
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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. |