KR101526733B1 - Scour phenomenon detecting device and scour phenomenon detecting method using the same - Google Patents

Scour phenomenon detecting device and scour phenomenon detecting method using the same Download PDF

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KR101526733B1
KR101526733B1 KR1020130155279A KR20130155279A KR101526733B1 KR 101526733 B1 KR101526733 B1 KR 101526733B1 KR 1020130155279 A KR1020130155279 A KR 1020130155279A KR 20130155279 A KR20130155279 A KR 20130155279A KR 101526733 B1 KR101526733 B1 KR 101526733B1
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South Korea
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phenomenon
scour
detection
scour phenomenon
detecting
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KR1020130155279A
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Korean (ko)
Inventor
정정은
권오석
이동하
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재단법인대구경북과학기술원
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

A method for detecting a scour phenomenon according to an embodiment and a method for detecting a scour phenomenon using the same are disclosed, and more specifically, a bottom spot and a flow of water are measured in water to detect a spot where a scour phenomenon occurs, , A scour phenomenon detection device capable of shortening the time required for detection using a plurality of scour phenomenon detection devices, and a scour phenomenon detection method using the same. The scour phenomenon detection apparatus according to an exemplary embodiment may include a body, a driving unit, and a detection unit. The detection unit may include a flow rate sensor and a reverberation sensor. A method of detecting a scour phenomenon using a plurality of scour phenomenon detection devices includes a plurality of scour phenomenon detection devices, a step of detecting a position of the scour phenomenon detection devices in real time in order to prevent a collision, And a step in which the scouring phenomenon detecting devices are driven in a direction in which the scouring phenomenon detecting devices are moved away from each other when the distance is within a predetermined safety distance.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scouring phenomenon detection apparatus and a scouring phenomenon detection method using the same.

A method for detecting a scour phenomenon according to an embodiment and a method for detecting a scour phenomenon using the same are disclosed, and more specifically, a bottom spot and a flow of water are measured in the water to detect a spot where a scour phenomenon occurs, , A scour phenomenon detection device capable of shortening the time required for detection using a plurality of scour phenomenon detection devices, and a scour phenomenon detection method using the same.

If the cross section becomes smaller due to the action of water, or if there is an obstacle, the scour phenomenon, which is a phenomenon in which the surface and cross section are scraped by water, may occur. When a structure is made in water, the soil that touches it can be scooped up and the structure can be knocked down or settled. Therefore, there are methods to prevent the occurrence of scour phenomenon in anticipation of the point where the scour phenomenon can occur for the maintenance of the river and the coast and the protection of the structure

For example, in Japanese Patent Application Laid-Open No. 2010-0077929, published on July 8, 2010, an invention on a bridge scour detection method using a fiber optic sensor is disclosed. The prior art document includes a method of measuring bridge scour by installing an optical fiber sensor capable of measuring temperature from the bottom of the bridge deck to the underwater surface.

An object of the present invention is to provide a scour phenomenon detection apparatus and a scour phenomenon detection method capable of detecting a point at which a scour phenomenon can occur and reducing a cost required for a reinforcement operation, .

The object of the present invention is to provide a scour phenomenon detection apparatus and a scour phenomenon detection method using the same that can reduce the risk and cost caused by the use of manpower.

An object of the present invention is to provide a scour phenomenon detection apparatus and a scour phenomenon detection method using the scour phenomenon detection apparatus capable of shortening the time required for inspection by performing scour phenomenon detection by a plurality of scour phenomenon detection apparatuses.

It is an object of the present invention to provide a scour phenomenon detection apparatus and a scour phenomenon detection method using the same.

A scour phenomenon detection apparatus capable of detecting a scour phenomenon through a flow of water or a bottom surface according to an embodiment includes a body for maintaining buoyancy in a water column, a driving unit for allowing the body to travel in an aquarium, And a detection unit capable of detecting a bottom phenomenon of the bottom surface at the position.

The detection unit may include a flow rate sensor for measuring a flow of water, and the flow rate sensor may be attached to a lower portion of the body.

The detection unit may include a reflection sensor that transmits a signal to the bottom surface to detect the bottom surface and receives a signal reflected from the bottom surface, and the reflection sensor may be attached to the bottom of the body.

The detection unit may include a navigation device that detects the position of the moving body and estimates a point at which scouring may occur based on the detected position of the moving body.

The scour phenomenon detection apparatus may further include a communication unit for transmitting information acquired by the detection unit to the control station so as to control the scouring phenomenon detection apparatus so as to synthesize information acquired by the control unit.

The scour phenomenon detection apparatus may further include a central processing unit for collecting and recording the information acquired by the detection unit and controlling the running of the scour phenomenon detection apparatus.

A method of detecting a scour phenomenon using a scour phenomenon detection apparatus according to an embodiment includes a step of disposing the scour phenomenon detection apparatus according to claim 1, a step of adjusting a measurement interval of the scour phenomenon detection apparatus according to a size of the scour phenomenon detection range And measuring the flow velocity or bottom surface topography while the scour phenomenon detection device is moving.

The scouring phenomenon detection method using the scouring phenomenon detection device is characterized in that the scouring phenomenon detection device is provided with one unit and is moved to a position on a line of an initially arranged position, The method of detecting a scour phenomenon using a scour phenomenon detecting apparatus for moving a measuring range further including a step of measuring a topography of a scouring pit in a zigzag direction.

A method for detecting a scour phenomenon using the scour phenomenon detection apparatus, the scour phenomenon detection apparatus comprising a plurality of scour phenomenon detection apparatuses, wherein the scour phenomenon detection apparatuses are provided with a plurality of scour phenomenon detection apparatuses, The scouring phenomenon detecting devices may be driven in a direction away from each other when the scouring phenomenon detecting devices are within a predetermined safety distance.

According to the scour phenomenon detection apparatus and the scour phenomenon detection method using the same, it is possible to investigate the bottom surface and acquire the information of the flow of water to detect the point where the scour phenomenon can occur, and to reduce the cost of the reinforcement work.

The apparatus for detecting scour phenomenon according to one embodiment and the method for detecting scour phenomenon using the same can reduce the risk and cost caused by the use of manpower.

The apparatus for detecting a scour phenomenon according to an embodiment and the method for detecting a scour phenomenon using the apparatus can detect the scour phenomenon with a plurality of scour phenomenon detection apparatuses, thereby shortening the time required for the inspection.

FIG. 1 schematically shows a configuration of a scouring phenomenon detecting apparatus according to an embodiment.
FIG. 2 schematically shows the components of a scouring phenomenon detection apparatus according to an embodiment.
FIG. 3 illustrates a scour phenomenon detection apparatus according to an embodiment performing scour phenomenon detection.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, configurations and applications according to embodiments will be described in detail with reference to the accompanying drawings. The following description is one of many possible claims, and the following description forms part of the detailed description of the present invention.

FIG. 1 schematically shows the configuration of a scour phenomenon detection apparatus 10 according to an embodiment.

The scour phenomenon detection apparatus 10 according to an embodiment may include a body 110, a driving unit 120, and a detection unit 130.

The body 110 can maintain the buoyancy in the water and can change the direction according to the flow of water. For example, the body 110 may be composed of a composite material such as a carbon composite material having good light and elasticity or FRP (Fiber Reinforced Plastics), and is configured such that the front and rear of the body are not sharp or sharp, Can be performed. However, the shape of the moving body 110 is not limited thereto, and the moving body 110 may have various shapes as long as the moving body 110 can change direction according to the flow velocity and minimize the resistance.

The driving unit 120 may allow the moving body 110 to travel in water. The driving unit 120 may include a power supply, a propeller, and a steering device for switching the direction. The driving unit 120 may be controlled by the central processing unit 140 described below.

The detection unit 130 can detect the scour phenomenon of the bottom surface at the position of the body 110 and the position. The detection unit 130 may include a flow rate sensor 131 for measuring the flow of the water and the flow rate sensor 131 may be attached to the lower portion of the body 110. The scour is mainly caused by the rapid flow velocity. The static scour where only the scour phenomenon occurs without the movement of the bed material in the stream from the upstream depending on the flow velocity, the dynamic scour where the river bed material is moved in the upstream, Lt; / RTI > By measuring the flow velocity, it is possible to acquire the information of the water flow causing the scour, to grasp the shape of the scour and to reduce the cost for the future reinforcement work.

The detection unit 130 may include an echo sensor 132 that transmits a signal to the bottom surface to detect the bottom surface and receives a signal reflected from the bottom surface, (Not shown). The reverberation sensor 132 may comprise an ultrasonic sensor and measure the distance from the time difference from the reflection of the signal to the bottom surface to the bottom surface. By analyzing the measured results, it is possible to determine the location, area, and depth of occurrence of the scour phenomenon.

The detection unit 130 may include a navigation device (not shown) that detects the position of the moving body 110 and estimates a point where the scouring phenomenon may occur based on the detected position of the moving body 110 have. The navigation device (not shown) may be a GPS (Global Positioning System) or an INS (Inertial Navigation System) that detects a position through a gyroscope, which is a system capable of detecting a position using a satellite .

The position, flow rate, or bottom surface information of the scour phenomenon detection apparatus 10 acquired by the detection unit 130 can be recorded in the central processing unit 140 or the controller described below to generate a three-dimensional underwater map. The underwater map is generated in accordance with a specific period through the detection unit 130 and the flow rate information is acquired to grasp the tendency of erosion and scour so that the reinforcement can be carried out considering the characteristics of the scour phenomenon, And the cost can be reduced.

The scour phenomenon detection apparatus 10 may include a communication unit 150 that transmits information acquired by the detection unit 130 to a control station. The controller can collect and record the information obtained by the detector 130 and control the scour phenomenon detecting apparatus 10. [ The controller can determine the detailed information of the scour phenomenon by mapping the satellite map and the position information using the information transmitted from the communication unit 150. [

The controller can control the traveling of the scour phenomenon detecting device 10 through the communication unit 150. [ The detection unit 130 may include an antenna for wireless communication.

The scouring phenomenon detecting apparatus 10 may include a central processing unit 140 for collecting and recording the information obtained by the detecting unit 130 or controlling the traveling of the scouring phenomenon detecting apparatus.

The position, flow rate, and bottom surface information obtained by the detection unit 130 may be collectively recorded in the central processing unit 140. The central processing unit 140 may transmit the acquired information to the controller through the communication unit 150. [ The central processing unit 140 may include a repository for storing the acquired information.

The central processing unit 140 can acquire and analyze position information between adjacent scouring phenomenon detecting devices 10 to prevent the scouring phenomenon detecting devices 10 from colliding with each other. If the scour phenomenon detection apparatus 10 is used to detect the scour phenomenon, the scour phenomenon detection apparatus 10 may move according to the flow velocity, so that there is a possibility of collision. The central processing unit 140 can measure the intervals of the scour phenomenon detecting devices 10 based on the position information of the scour phenomenon detecting devices 10 acquired from the detecting unit 130, And a distance sensor for sensing a distance between the vehicle and the vehicle. When the scour phenomenon detecting apparatuses 10 are close to each other and a collision is expected, the central processing unit 140 can prevent the collision by switching the direction of the scouring phenomenon detecting apparatus 10 through the steering unit of the driving unit 120. [

FIG. 2 schematically shows the components of a scouring phenomenon detection apparatus according to an embodiment.

Referring to FIG. 2, the position information, flow rate, or bottom surface information of the scour phenomenon detection device 10 obtained by the detection unit 130 may be collectively recorded in the central processing unit 140. The central processing unit 140 can transmit the synthesized information to the controller through the communication unit 150. The driving unit 120 can be controlled through the central processing unit 140 through the communication unit 150 in the control station. Through this process, the initial position of the scouring phenomenon detecting apparatus 10 can be set or the scouring phenomenon detecting apparatus 10 can be controlled in the control station.

The central processing unit 140 may control the driving unit 120 based on the position information or the like obtained by the detection unit 130. [ For example, when there is a possibility that a plurality of scour phenomenon detecting apparatuses 10 may collide, the central processing unit 140 controls the driving unit 120 to control the speed or steering of the scouring phenomenon detecting apparatus 10, can do.

FIG. 3 illustrates a scour phenomenon detection apparatus 10 according to an embodiment of the present invention. FIG. 3 (a) shows a manner in which a scouring phenomenon is detected by a single scouring phenomenon detecting apparatus 10, and FIG. 3 (b) shows a case in which a scouring phenomenon is detected by a plurality of scouring- Lt; / RTI >

The method for detecting the scour phenomenon using the scour phenomenon detection apparatus according to an embodiment is characterized in that the scour phenomenon detection apparatus 10 is disposed and the measurement interval of the scour phenomenon detection apparatus 10 is adjusted according to the extent of the scour phenomenon detection range And measuring the flow velocity or bottom surface topography while the scour phenomenon detection device 10 is moving.

The scour phenomenon detection device 10 may be disposed at the beginning of a range where the scour phenomenon is to be detected. The scour phenomenon detection device 10 can measure the scour phenomenon while moving from the start portion to the end portion in the range where the scour phenomenon is to be detected. The scour phenomenon detection interval is adjusted according to the extent of the scour phenomenon detection range, and the adjusted scour phenomenon detection interval can be used differently depending on the number of the scour phenomenon detection apparatuses 10 arranged as described below.

3 (a), in the method of measuring the scouring phenomenon using the scouring phenomenon detecting apparatus 10, the scouring phenomenon detecting apparatus 10 may be provided in one and moved to a position on the line And measuring the flow velocity or the topography of the bottom surface while the scouring phenomenon detecting apparatus is moving.

The single scour phenomenon detection device 10 can detect the scour phenomenon while moving the detection range of the scour phenomenon in the zigzag direction. One scour phenomenon detection apparatus 10 performs scour phenomenon detection from the initial point 211 to the first target point 212 and performs re-measurement on the line of the initially disposed position according to the adjusted scour phenomenon detection interval To the point 213. For example, the scour phenomenon detection device 10 may transmit the acquired information to the controller while moving from the first target point 212 to the remeasurement point 213. The scour phenomenon detection device 10 may repeat the scour phenomenon detection from the remeasurement point 213 to the second target point 214. [ Through such a method, the scour phenomenon detecting apparatus 10 can detect the scour phenomenon while moving the detection range of the scour phenomenon in the zigzag direction.

3 (b), in the scouring phenomenon detecting method, a plurality of scouring phenomenon detecting apparatuses 10 may be provided. In order to prevent the scouring phenomenon detecting apparatuses 10 from colliding with each other, May be further carried out in a direction in which the scour phenomenon detecting devices 10 are moved away from each other when the distance between the scour phenomenon detecting device 10 and the step where the position of the scour phenomenon detecting device 10 can be grasped in real time is within a predetermined safety distance .

When the scour phenomenon is detected by the plurality of scour phenomenon detection apparatuses 10, the adjusted scour phenomenon detection intervals may be used to adjust the interval between the plurality of scour phenomenon detection apparatuses 10. For example, the submerged phenomenon detecting apparatus 10 may be disposed at an initial point 211 and a remeasurement point 213 in FIG. 3 (a), respectively.

For example, when the scour phenomenon is measured by a plurality of scour phenomenon detection apparatuses 10, the scour phenomenon detection apparatus 10 may flow according to the flow velocity, and collision may occur with the adjacent scour phenomenon detection apparatuses 10. Therefore, the position of the scour phenomenon detecting apparatus 10 can be grasped in real time in order to prevent the collision. Navigation devices such as GPS and INS, which may be included in the detection unit 130, may be used to determine the location of the scour phenomenon detection apparatuses 10.

The user can set the safety distance to prevent collision, which may mean the interval between the desired scour phenomenon detection devices 10. [ When the distance between the scour phenomenon detection devices 10 is within a predetermined safety distance, the scour phenomenon detection devices 10 may be driven in directions away from each other. This can be achieved by the central processing unit 140 controlling the driving unit 120. [

When the scour phenomenon is detected by the plurality of scour phenomenon detection apparatuses 10, the process of moving from the first target point 212 to the re-measurement point 213 is omitted as shown in FIG. 3 (a) It is possible to shorten the time required to detect and generate the underwater map information. In addition, by using the scouring phenomenon detection method, it is possible to prevent a collision which may be caused by a plurality of scouring phenomenon detecting apparatuses 10.

Based on the above description, the scouring phenomenon detecting apparatus 10 according to an embodiment can contribute to reducing the cost of the reinforcement work by irradiating the bottom surface and acquiring information on the flow of water, The risk and cost can be reduced and the time required for the inspection can be shortened by performing the scour phenomenon detection with the plurality of scour phenomenon detection apparatuses 10.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.

10 Deep Crawl Detectors
110 body
120 driver
130 Detector
131 Flow sensor
132 Reflective sensor
140 Central Processing Unit
150 communication unit
211 Initial position
212 First target point
213 Repositioning point
214 Second target point

Claims (9)

A fuselage which maintains buoyancy in the water phase;
A driving unit for allowing the moving body to travel in an aquarium;
A detection unit capable of detecting a scour phenomenon of a bottom surface at a position of the body and at the position;
A communication unit for transmitting information acquired by the detection unit to the control station so as to control the scouring phenomenon detection apparatus by combining the information obtained by the control unit with the control unit; And
A central processing unit for collectively recording the information acquired by the detection unit and controlling traveling of the scour phenomenon detection device;
Lt; / RTI >
The detection unit detects,
A flow velocity sensor attached to a lower portion of the body for measuring the flow of the water flow to grasp the shape of the scour or to grasp the type of the scour phenomenon;
A reverberation sensor attached to a lower portion of the body and transmitting signals to the floor to detect the floor and receiving signals reflected from the floor; And
Wherein the detection unit detects a position of the moving body and estimates a point at which a scouring phenomenon can occur based on the detected position information of the moving body;
/ RTI >
A scour phenomenon detection device capable of detecting the scour phenomenon through the detection of water flow or bottom surface.
The method according to claim 1,
Wherein the central processing unit is capable of generating a three-dimensional underwater map based on the floor information measured from the detection unit.
The method according to claim 1,
And a distance sensing sensor for sensing a distance between the apparatuses when the plurality of scouring phenomenon detecting apparatuses are provided.
The method of claim 3,
Wherein the central processing unit controls the scour phenomenon detecting device to detect a scour phenomenon that can prevent a collision of the scour phenomenon detecting devices when a collision of the scour phenomenon detecting devices is expected according to a distance of the detected scour phenomenon detecting device, Device.
delete delete A method according to any one of the preceding claims,
Adjusting a detection interval of the scouring phenomenon detection device according to a size of a scouring phenomenon detection range;
Measuring a flow velocity or bottom surface topography while the scouring apparatus is moving from an initial point;
Transmitting the measured information to the control station while the scouring phenomenon detecting device moves to a remeasuring point corresponding to the adjusted detection interval; And
Measuring a flow velocity or a bottom surface of the scour phenomenon detection device while moving from a re-measurement point,
A method of detecting scour phenomenon using a scour phenomenon detection device that moves a measurement range in a zigzag direction.
delete A plurality of scour phenomenon detection devices according to claim 1 are disposed;
Adjusting a detection interval of the scouring phenomenon detection device according to a size of a scouring phenomenon detection range;
Measuring the flow velocity or bottom surface topography while the plurality of scour phenomenon detection devices move from respective initial points;
Detecting a position of the scouring phenomenon detecting device in real time to prevent a collision; And
Wherein the scour phenomenon detecting devices are driven in a direction away from each other when the distance between the scour phenomenon detecting devices is within a predetermined safety distance.
A method of detecting scour phenomenon using multiple scour phenomenon detection devices.
KR1020130155279A 2013-12-13 2013-12-13 Scour phenomenon detecting device and scour phenomenon detecting method using the same KR101526733B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220127401A (en) 2021-03-10 2022-09-20 한국도로공사 Method for producing three-dimensional scour map

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10300467A (en) * 1997-04-21 1998-11-13 Norin Suisansyo Nogyo Kogaku Kenkyu Shocho Surveying system and surveying method using the same
KR100459007B1 (en) * 2004-04-06 2004-12-03 주식회사 데이타 피씨에스 System for real time bridge scour monitoring
KR100542019B1 (en) * 2002-04-19 2006-01-10 서울텔엔지니어링(주) A radio relay service method and radio relay processor and radio relay system for prevent a accident at sea by wireless communication technology

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10300467A (en) * 1997-04-21 1998-11-13 Norin Suisansyo Nogyo Kogaku Kenkyu Shocho Surveying system and surveying method using the same
KR100542019B1 (en) * 2002-04-19 2006-01-10 서울텔엔지니어링(주) A radio relay service method and radio relay processor and radio relay system for prevent a accident at sea by wireless communication technology
KR100459007B1 (en) * 2004-04-06 2004-12-03 주식회사 데이타 피씨에스 System for real time bridge scour monitoring

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220127401A (en) 2021-03-10 2022-09-20 한국도로공사 Method for producing three-dimensional scour map

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