CN106645275A - Method for fast detecting epoxy asphalt paving voids of steel deck - Google Patents

Method for fast detecting epoxy asphalt paving voids of steel deck Download PDF

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Publication number
CN106645275A
CN106645275A CN201610871141.XA CN201610871141A CN106645275A CN 106645275 A CN106645275 A CN 106645275A CN 201610871141 A CN201610871141 A CN 201610871141A CN 106645275 A CN106645275 A CN 106645275A
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Prior art keywords
temperature
epoxy asphalt
nothing
region
asphalt pavement
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CN201610871141.XA
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CN106645275B (en
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潘友强
张辉
徐肖龙
张健
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Jiangsu Sinoroad Engineering Technology Institute Co Ltd
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Jiangsu Sinoroad Engineering Technology Institute Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • G01N25/20Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/12Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
    • E01D19/125Grating or flooring for bridges
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/40Investigating hardness or rebound hardness
    • G01N3/52Investigating hardness or rebound hardness by measuring extent of rebound of a striking body
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42Determining position

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  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention discloses a method for fast detecting epoxy asphalt paving voids of a steel deck. The method includes the steps of firstly, erecting a positioning base station on a bridge midspan maintaining roadway, and connecting the positioning base station with a high-precision positioning device and an infrared thermal imager; secondly, using a natural sand mechanical abrasive blasting to clean a paving surface; thirdly, using the infrared thermal image vertical to the paving surface to perform thermal image overlook scanning on a to-be-detected area so as to identify an abnormal-temperature area, and distinguishing by comparing with typical spectrum; fourthly, calculating the temperature contrast Z of the abnormal-temperature area, and preliminarily judging whether voids exist in the abnormal-temperature area or not; fifthly, using a resilience tester to respectively the epoxy asphalt paving resilience value of the abnormal-temperature area and a normal-temperature area, calculating the resilience value difference ratio U, and judging whether the epoxy asphalt paving voids exist in the abnormal-temperature area or not and the void degree. By the method, the epoxy asphalt paving voids of the steel deck can be detected in a lossless, efficient and accurate manner.

Description

A kind of Steel Bridge Deck epoxy asphalt pavement comes to nothing disease method for quick
Technical field
The disease method for quick the present invention relates to a kind of Steel Bridge Deck epoxy asphalt pavement comes to nothing, belongs to bridge machinery skill Art field.
Background technology
Paving steel bridge deck is currently a global problem.Orthotropic Steel Bridge Deck is larger due to flexibility, in driving lotus In the presence of the factors such as load, wind load, temperature change, the stress of pave-load layer and deformation are sufficiently complex, mat formation with conventional road structure And its roadbed, the structural support of basic unit are compared, paving steel bridge deck deflection is big, and various factors is also easy to produce vibration and deforms;Stress It is unfavorable, easily form hogging moment;Steel plate is difficult with asphalt pavement interlayer bonding, and interlayer shear stress is very big;Thus, its deck paving The early disease such as be easier to occur to come to nothing.Because paving steel bridge deck is usually traffic main artery, the volume of traffic is heavy, and does not replace therewith Other selections in generation, the reparation to its disease generally will be fast or break off a friendship.And disease of coming to nothing is once occur, it is inevitable fast-developing into Larger range of pit, the pit-hole for being more difficult to quick reparation.Therefore, the disease and to be punished be current of coming to nothing is detected in time Problem demanding prompt solution.
At present, it is constantly in without detection means situation with regard to the basic blank in Method of Void field of paving steel bridge deck. Interlayer is detected using FWD (FWD) and GPR (GPR) technology more than the bituminous paving field to come to nothing.FWD pair Pavement structure impulsive force is larger, if may can damage to bridge structure for paving steel bridge deck, thus, FWD technologies are uncomfortable Preferably it is used for paving steel bridge deck vacant analysis.GPR can be used for the interlayer detection on concrete bridge deck pavement, road surface etc..The country was carried out The exploration that paving steel bridge deck interlayer comes to nothing is detected using GPR.Through multiple practical application, it is found that steel plate is sent out radar The frequency electromagnetic waves of injection have a high-strength reflection interference effect, almost 100% it is fully reflective, therefore be difficult to be applied to The vacant analysis of paving steel bridge deck.There is scholar's research to carry out vacant analysis to paving steel bridge deck using mechanical wave, although principle can OK, but its detection efficiency is too low.
The content of the invention
The technical problem to be solved is to provide a kind of Steel Bridge Deck epoxy asphalt pavement and comes to nothing disease quick detection Method, the detection method realizes Steel Bridge Deck epoxy asphalt pavement and comes to nothing lossless, efficient, the accurate detection of disease.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of Steel Bridge Deck epoxy asphalt pavement comes to nothing disease method for quick, comprises the steps:
(1) maintaining roadway sets up locating base station in bridge span, sets up with high-precision positioner, thermal infrared imager and is connected;
(2) using natural sand machinery ball blast cleaning pavement surfaces;
(3) thermal image is carried out to detection zone perpendicular to pavement surfaces using thermal infrared imager and overlooks scanning, recognize temperature Abnormal area;
(4) temperature anomaly regional temperature contrast Z is calculated, preliminary judgement temperature anomaly region whether there is comes to nothing;Wherein, Temperature is as follows to the computing formula of illumination Z:
In formula,--- the mean temperature in temperature anomaly region
--- mean temperature in temperature normal region;
σ0--- the temperature standard in temperature normal region is poor;
When Z is less than threshold value 2, then the temperature anomaly region is without coming to nothing;When Z is more than threshold value 2, then the temperature anomaly region Presence is come to nothing;
(5) detection temperature abnormal area and the epoxy asphalt pavement resilience of temperature normal region are distinguished using rebound test instrument Value, calculates rebound value diversity ratio U, judges that epoxy asphalt pavement temperature anomaly region whether there is and comes to nothing and degree of coming to nothing, its In, rebound value diversity ratio U computing formula is as follows:
In formula, U-temperature anomaly region and temperature normal region epoxy asphalt pavement rebound value diversity ratio;
S-temperature anomaly region epoxy asphalt pavement rebound value;
S (T)-temperature anomaly region epoxy asphalt pavement rebound value temperature corrected value, is calculated as follows:
S (T)=- 0.5 (T-25)
T-temperature anomaly region epoxy asphalt pavement temperature;
S0- temperature normal region epoxy asphalt pavement rebound value;
S0(T0)-temperature normal region epoxy asphalt pavement rebound value temperature corrected value, is calculated as follows:
S0(T0(the T of)=- 0.60-25)
T0- temperature normal region epoxy asphalt pavement rebound value.
When U is less than first threshold 0.1, then the suspicious region is without coming to nothing;When U is more than first threshold 0.1 and less than second During threshold value 0.3, then the suspicious region is slightly to come to nothing;When U is more than Second Threshold 0.3, then the suspicious region comes to nothing for severe.
A kind of aforesaid Steel Bridge Deck epoxy asphalt pavement comes to nothing disease method for quick, it is characterised in that:It is described high-precision Degree positioner is installed on the thermal infrared imager, and is communicated using GPRS network with the locating base station, the infrared heat As instrument and high-precision positioner are connected by wireless WIFI with PC ends LAN, the rebound test instrument detection data is defeated manually Enter PC ends.
A kind of aforesaid Steel Bridge Deck epoxy asphalt pavement comes to nothing disease method for quick, it is characterised in that:The positioning Base station and high-precision positioner are by gps satellite and Mapping departments of province CORS network translocation uniform coordinates, it is ensured that coordinate it is exhausted To accurate.
The invention has the beneficial effects as follows:Illumination preliminary judgement abnormal area whether there is by temperature come to nothing, then pass through Rebound test instrument distinguishes the epoxy asphalt pavement rebound value of detection temperature abnormal area and temperature normal region, by resilience value difference Different than further determining whether that presence is come to nothing and come to nothing degree, and pair determination is come to nothing region, and high-precision positioner can be determined automatically Position simultaneously records its position, realizes Steel Bridge Deck epoxy asphalt pavement and comes to nothing lossless, efficient, the accurate detection of disease.
Description of the drawings
Fig. 1 is that a kind of Steel Bridge Deck epoxy asphalt pavement of the invention comes to nothing disease method for quick principle schematic;
In figure, 1, thermal infrared imager;2nd, high-precision positioner;3rd, locating base station;4th, gps satellite;5th, PC ends;6th, resilience Tester.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy It is easier to be readily appreciated by one skilled in the art, apparent clearly defines so as to make to protection scope of the present invention.
Embodiment 1
The disease method for quick as shown in figure 1, a kind of Steel Bridge Deck epoxy asphalt pavement comes to nothing, comprises the following steps:
(1) the fine date is selected to be detected, in the morning 10:Closing detection track before 00;
(2) maintaining roadway sets up locating base station 3 in bridge span, sets up with high-precision positioner 2, thermal infrared imager 1 and connects Connect;And by gps satellite 4 and Mapping departments of province CORS network translocation uniform coordinates, it is ensured that coordinate it is absolutely accurate;
(3) to detection zone using natural sand machinery ball blast cleaning pavement surfaces work;
(4) thermal image is carried out to detection zone perpendicular to pavement surfaces using thermal infrared imager and overlooks scanning, recognize temperature Abnormal area, the typical collection of illustrative plates of control is differentiated;If temperature anomaly region meets typical collection of illustrative plates, judge that the region is present and come to nothing Disease;If not meeting, need to calculate temperature anomaly regional temperature contrast Z, by temperature contrast's Z preliminary judgement temperature anomalies Region whether there is comes to nothing;
(5) temperature anomaly regional temperature contrast Z is calculated, preliminary judgement temperature anomaly region whether there is comes to nothing;Wherein, Temperature is as follows to the computing formula of illumination Z:
In formula,--- the mean temperature in temperature anomaly region
--- mean temperature in temperature normal region;
σ0--- the temperature standard in temperature normal region is poor;
When Z is less than threshold value 2, then the temperature anomaly region is without coming to nothing;When Z is more than threshold value 2, then the temperature anomaly region Presence is come to nothing;
(6) detection temperature abnormal area and the epoxy asphalt pavement resilience of temperature normal region are distinguished using rebound test instrument Value, calculates rebound value diversity ratio U, judges that epoxy asphalt pavement temperature anomaly region whether there is and comes to nothing and degree of coming to nothing, its In, rebound value diversity ratio U computing formula is as follows:
In formula, U-temperature anomaly region and temperature normal region epoxy asphalt pavement rebound value diversity ratio;
S-temperature anomaly region epoxy asphalt pavement rebound value;
S (T)-temperature anomaly region epoxy asphalt pavement rebound value temperature corrected value, is calculated as follows:
S (T)=- 0.5 (T-25)
T-temperature anomaly region epoxy asphalt pavement temperature;
S0- temperature normal region epoxy asphalt pavement rebound value;
S0(T0)-temperature normal region epoxy asphalt pavement rebound value temperature corrected value, is calculated as follows:
S0(T0(the T of)=- 0.60-25)
T0- temperature normal region epoxy asphalt pavement rebound value.
When U is less than first threshold 0.1, then the suspicious region is without coming to nothing;When U is more than first threshold 0.1 and less than second During threshold value 0.3, then the suspicious region is slightly to come to nothing;When U is more than Second Threshold 0.3, then the suspicious region comes to nothing for severe.
In the present embodiment, the high-precision positioner is installed on the thermal infrared imager, and with the locating base station Communicated using GPRS network, the thermal infrared imager and high-precision positioner are connected by wireless WIFI with PC ends LAN, The rebound test instrument detection data is manually entered PC ends.
In sum, a kind of Steel Bridge Deck epoxy asphalt pavement that the present invention is provided comes to nothing disease method for quick, the inspection Survey method realizes Steel Bridge Deck epoxy asphalt pavement and comes to nothing lossless, efficient, the accurate detection of disease.
General principle, principal character and the advantage of the present invention has been shown and described above.The technical staff of the industry should Understand, the present invention is not restricted to the described embodiments, the original for simply illustrating the present invention described in above-described embodiment and specification Reason, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes and improvements Both fall within scope of the claimed invention.The claimed scope of the invention is by appending claims and its equivalent Boundary.

Claims (3)

1. a kind of Steel Bridge Deck epoxy asphalt pavement comes to nothing disease method for quick, it is characterised in that:Comprise the steps:
(1) maintaining roadway sets up locating base station in bridge span, sets up with high-precision positioner, thermal infrared imager and is connected;
(2) using natural sand machinery ball blast cleaning pavement surfaces;
(3) thermal image is carried out to detection zone perpendicular to pavement surfaces using thermal infrared imager and overlooks scanning, recognize temperature anomaly Region;
(4) temperature anomaly regional temperature contrast Z is calculated, preliminary judgement temperature anomaly region whether there is comes to nothing;Wherein, temperature It is as follows to the computing formula of illumination Z:
Z = | T ‾ - T 0 ‾ | σ 0
In formula,--- the mean temperature in temperature anomaly region
--- mean temperature in temperature normal region;
σ0--- the temperature standard in temperature normal region is poor;
When Z is less than threshold value 2, then the temperature anomaly region is without coming to nothing;When Z is more than threshold value 2, then the temperature anomaly region is present Come to nothing;
(5) detection temperature abnormal area and temperature normal region epoxy asphalt pavement rebound value, meter are distinguished using rebound test instrument Rebound value diversity ratio U is calculated, is judged that epoxy asphalt pavement temperature anomaly region whether there is and is come to nothing and degree of coming to nothing, wherein, return Bullet value diversity ratio U computing formula is as follows:
U = | S + S ( T ) - ( S 0 + S 0 ( T 0 ) ) | S 0 + S 0 ( T 0 )
In formula, U-temperature anomaly region and temperature normal region epoxy asphalt pavement rebound value diversity ratio;
S-temperature anomaly region epoxy asphalt pavement rebound value;
S (T)-temperature anomaly region epoxy asphalt pavement rebound value temperature corrected value, is calculated as follows:
S (T)=- 0.5 (T-25)
T-temperature anomaly region epoxy asphalt pavement temperature;
S0- temperature normal region epoxy asphalt pavement rebound value;
S0(T0)-temperature normal region epoxy asphalt pavement rebound value temperature corrected value, is calculated as follows:
S0(T0(the T of)=- 0.60-25)
T0- temperature normal region epoxy asphalt pavement rebound value.
When U is less than first threshold 0.1, then the suspicious region is without coming to nothing;When U is more than first threshold 0.1 and less than Second Threshold When 0.3, then the suspicious region is slightly to come to nothing;When U is more than Second Threshold 0.3, then the suspicious region comes to nothing for severe.
2. a kind of Steel Bridge Deck epoxy asphalt pavement according to claim 1 comes to nothing disease method for quick, and its feature exists In:The high-precision positioner is installed on the thermal infrared imager, and is communicated using GPRS network with the locating base station, The thermal infrared imager and high-precision positioner are connected by wireless WIFI with PC ends LAN, the rebound test instrument detection Data are manually entered PC ends.
3. a kind of Steel Bridge Deck epoxy asphalt pavement according to claim 1 comes to nothing disease method for quick, and its feature exists In:The locating base station and high-precision positioner pass through gps satellite and Mapping departments of province CORS network translocation uniform coordinates, really Protect the absolutely accurate of coordinate.
CN201610871141.XA 2016-09-29 2016-09-29 A kind of Steel Bridge Deck epoxy asphalt pavement comes to nothing disease rapid detection method Active CN106645275B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113030094A (en) * 2021-01-26 2021-06-25 重庆市智翔铺道技术工程有限公司 High-precision comprehensive detection system and method for pavement use condition of steel bridge deck

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010133835A (en) * 2008-12-04 2010-06-17 Hanshin Expressway Co Ltd Method for detecting crack of bridge floor panel
CN103308555A (en) * 2012-03-15 2013-09-18 沈小俊 Method for detecting defects of bridge rubber support through infrared thermal imaging
CN103669184A (en) * 2013-12-25 2014-03-26 河南省高远公路养护技术有限公司 Invisible disease detection method of pavement structure layer
CN104574393A (en) * 2014-12-30 2015-04-29 北京恒达锦程图像技术有限公司 Three-dimensional pavement crack image generation system and method
CA2887171A1 (en) * 2014-04-07 2015-10-07 David Dworsky System and method for roadway pavement restoration
CN105350437A (en) * 2015-11-22 2016-02-24 华北水利水电大学 Disease detection device and method for asphalt pavement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010133835A (en) * 2008-12-04 2010-06-17 Hanshin Expressway Co Ltd Method for detecting crack of bridge floor panel
CN103308555A (en) * 2012-03-15 2013-09-18 沈小俊 Method for detecting defects of bridge rubber support through infrared thermal imaging
CN103669184A (en) * 2013-12-25 2014-03-26 河南省高远公路养护技术有限公司 Invisible disease detection method of pavement structure layer
CA2887171A1 (en) * 2014-04-07 2015-10-07 David Dworsky System and method for roadway pavement restoration
CN104574393A (en) * 2014-12-30 2015-04-29 北京恒达锦程图像技术有限公司 Three-dimensional pavement crack image generation system and method
CN105350437A (en) * 2015-11-22 2016-02-24 华北水利水电大学 Disease detection device and method for asphalt pavement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113030094A (en) * 2021-01-26 2021-06-25 重庆市智翔铺道技术工程有限公司 High-precision comprehensive detection system and method for pavement use condition of steel bridge deck

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