CN102713070A - A bridge construction and method for modifying strain characteristics of a bridge - Google Patents
A bridge construction and method for modifying strain characteristics of a bridge Download PDFInfo
- Publication number
- CN102713070A CN102713070A CN2010800466957A CN201080046695A CN102713070A CN 102713070 A CN102713070 A CN 102713070A CN 2010800466957 A CN2010800466957 A CN 2010800466957A CN 201080046695 A CN201080046695 A CN 201080046695A CN 102713070 A CN102713070 A CN 102713070A
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- China
- Prior art keywords
- negative pressure
- pressure difference
- bridge construction
- internal cavities
- braced structures
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
Abstract
A method of modifying strain characteristics of a bridge construction having a support structure for a deck plate. The method includes actively evacuating air from within the internal cavity to create a negative pressure differential in the internal cavity relative to its environment. Also described is a bridge construction with one or more pumps to provide a negative pressure differential within support structures for a deck plate of the bridge construction.
Description
Invention field
The present invention relates to traffic bridge field.More particularly, the present invention relates to the method for bridge construction and change bridge strain characteristic.The present invention can be applied to the plate girder bridge (girder bridge) of steel or concrete or its combination especially, and its steel plate layer is orthotropy (orthotropic) plate floor form.
Background technology
Fig. 1 has showed the partial view of an embodiment that can use traffic bridge 100 of the present invention.This traffic bridge is the plate girder bridge with orthotropy plate floor.
The crossbeam 2 (equally only showing one) that traffic bridge 100 comprises a plurality of columns 1 (only showing) and between column 1, extends.Column 1 can be i beam or other suitable structures with crossbeam 2.Channel beam 4 provides longitudinal bracing for traffic bridge 100.Channel beam 4 extends between crossbeam 2, and is welded on the crossbeam 2.
Steel facing 3 is welded on the channel beam 4.Epoxy coating 5 can be provided on steel facing 3.Can on epoxy coating 5, provide pitch layer (not shown) to make wearing course.
After a while, plate girder bridge can be because of tired impaired.As a result, possibly form fatigue crack, normally in the junction of channel beam and crossbeam, and/or be the junction at panel and channel beam.Repairing fatigue crack possibly be both complicated and technology with high costs, the partly or completely traffic of enclosed bridge possibly.
Summary of the invention
From considering on the one hand; The present invention relates generally to change the method for the emergent property of bridge construction with panel support structure; This braced structures and panel define an appropriate section of the internal cavities of sealing each other; This method comprises the internal cavities of initiatively finding time, in internal cavities, to produce negative pressure.This method can be applied to a plurality of braced structuress of panel, and to being applied to all or all basically braced structuress.
Consider the bridge construction that the present invention relates generally to comprise panel He be connected to the braced structures on the panel from another point of view.Braced structures and panel both form the part of the internal cavities of mutual sealing, and this internal cavities is initiatively found time, to produce the Negative Pressure Difference with the environment of internal cavities there.In some embodiments, at least 50 kPas of Negative Pressure Difference (kPa).In other embodiments, bigger Negative Pressure Difference be possibly occur, 60kPa, 70kPa, 80kPa, the Negative Pressure Difference of 90kPa, about 95kPa and about 100kPa at least at least at least comprised at least.In some embodiments, Negative Pressure Difference is in the scope of 95kPa to 100kPa.
In some embodiments, bridge construction is a plate girder bridge, and braced structures is the channel beam along the plate girder bridge longitudinal extension.Braced structures can be extended between two crossbeams, and the internal cavities of sealing can extend along the entire longitudinal length of braced structures substantially.
In some embodiments; Keep watch on the Negative Pressure Difference in each said internal cavities with pressure detector; Pressure detector is communicated by letter with controller and is linked to each other, and controller receives the output of pressure detector, and transmits or export the loss of the Negative Pressure Difference in detected one or more internal cavities.
Bridge construction can comprise a plurality of braced structuress, and each braced structures all is under the Negative Pressure Difference of regulation.In some embodiments, each braced structures is all isolated with other braced structuress, and whereby, the interior negative pressure loss of braced structures can not cause the negative pressure loss in other braced structuress.Can be for each braced structures provide independent pressure detector, controller can receive the output of each pressure detector, and transmits or export the reading of the negative pressure of braced structures loss.
A kind of bridge construction is also disclosed; It comprises panel and is connected to the braced structures on the panel; Panel and braced structures both form the part of the internal cavities of mutual sealing; This internal cavities is under the negative pressure, and this bridge construction also comprises the pressure sensor and the controller of monitors internal negative pressure and cavity, and controller output perhaps transmits the negative pressure of internal cavities internal loss.
In some embodiments, bridge construction comprises a plurality of braced structuress, and each braced structures and panel form the part of the internal cavities of mutual sealing, and wherein pressure sensor and controller are being kept watch on the interior pressure of internal cavities of each braced structures.In some embodiments, the internal cavities of each braced structures is isolated each other, and therefore the interior negative pressure loss of internal cavities can not cause the negative pressure loss in other internal cavities.
A kind of method of keeping watch on the bridge construction fatigue crack is also disclosed; This bridge construction has panel and panel support structure; They limit the internal cavities of mutual sealing together, and this method is included produces negative pressure in the cavities, the loss of the negative pressure in the monitors internal cavity then.
A kind of method of making bridge construction is also disclosed; Comprise a panel is welded on a plurality of panel support structures; To produce the internal cavities of the sealing that a plurality of parts limit braced structures panel and part, in the internal cavities of each braced structures, initiatively produce negative pressure then.
A kind of method that changes bridge construction with the oxidation rate of the part that reduces it is also disclosed; This bridge construction has steel facing and a plurality of steel facing braced structures; They define the appropriate section of the internal cavities of mutual sealing together, and this method is included in the interior negative pressure that produces of internal cavities of each braced structures.
A kind of method of estimating the bridge construction integrality is also disclosed; This bridge construction has panel and a plurality of panel support structure; They define the appropriate section of the internal cavities of mutual sealing together; This method is included in the interior malleation that initiatively produces of internal cavities of each braced structures, the loss of the negative pressure in the monitors internal cavity then.This method can be used as pressure test and implements, and whether can bear the negative pressure that is enough to change the bridge construction emergent property to estimate internal cavities.
Through following explanation and/or through accompanying drawing, the various aspects of describing in the above-mentioned paragraph of the present invention and other embodiments of each side can become obvious.
Description of drawings
Fig. 1 (prior art) has showed an embodiment that can use plate girder bridge of the present invention.
Fig. 2 has showed a part of plate girder bridge structure between two columns, and column comprises negative pressure system.
Fig. 3 has showed the channel beam with strain gauge.
Specify
With reference to accompanying drawing each embodiment of the present invention is described, in the accompanying drawings, similar parts like the Reference numeral representation class.
With reference to Fig. 2, showed the part of plate girder bridge 200.Plate girder bridge 200 is the same with the type that combines the described plate girder bridge 100 of Fig. 1.Plate girder bridge 200 comprises column 1, at crossbeam 2 that extends between the column 1 and the channel beam 4 that between crossbeam 2, extends.The bridge surface comprises steel facing 3, epoxy coating 5 and pitch layer 6.
Each channel beam 4 limits an internal cavities 7.Internal cavities 7 is connected to the weld seam sealing on the crossbeam 2 at the place, end by crossbeam 2 with channel beam 4.Form a hole 8 on each channel beam 4, for example through boring and tapping (tapping).Hole 8 can be formed on the midway on its channel beam 4, between the crossbeam 2 suitably.Hole 8 is connected 11 by valve 9 with pipeline and/or flexible pipe and is connected on the vacuum pump 10.Fig. 2 has showed a unique pump 10 that is used for providing to cavity 7 negative pressure (being pressure below atmospheric pressure), but has a plurality of pumps in other embodiments.For example, channel beam 4 can be divided into the n group, and corresponding to n platform pump, every pump is responsible for one group of channel beam.Pump can apply identical or different pressure on different channel beams.Every group of channel beam can comprise only a channel beam, two channel beams or three or more channel beam.Each group can have similar number, and perhaps the pump of different numbers can be responsible for the channel beam of different numbers.
Start vacuum pump 10 to deflate in the cavity 7 internally.The negative pressure that produces in pressure-measuring device 12 each internal cavities 7 of indication.One or more pressure-measuring devices 12 can also indicate pipeline and/or flexible pipe to connect the negative pressure in 11.Through in internal cavities 7, negative pressure being provided,, that the weld seam that channel beam 4 is connected on the panel 3 is compacted with respect to applying negative pressure compressing of existence before.The improvement of bridge construction emergent property can reduce the fatigue stress around these weld seams.The weld seam that channel beam 4 is connected on the crossbeam 2 can be compressed similarly.
The negative pressure that is applied on the internal cavities as required can be different.But, about 90 to 95kPa or higher negative pressure possibly be suitable.As required with use bridge construction of the present invention, also can use lower negative pressure, for example from about 50 or 60kPa.In addition, the negative pressure benchmark is with reference to the atmospheric pressure of the bridge of Fig. 1 and 2 shown type.For other bridges with a plurality of cavitys (seam that for example need compress is in the nido cavity in the internal cavities), the negative pressure benchmark is with reference to the pressure around the cavity.In other words, the present invention makes pressure differential between associated cavity inside and outside.
In some embodiments, the negative pressure in the cavity 7 can be used for realizing that required strain changes.For this purpose, strain gauge 13 (referring to Fig. 3) can be arranged on around the channel beam 4.Fig. 3 has also showed the weld seam 14 between channel beam 4 and the panel 3.Through after a while, can operating pumps 10 to increase the size of negative pressure in the internal cavities 7, measure required change up to strain gauge 13, perhaps reach peak suction actual or that set.Change can be average change; For example pass through the average change of several hours, part day (part days) or the time measurement of a couple of days; Therefore for instance, negative pressure can originate in about 50 or the negative pressure of 60kPa, passes through then several hours or a couple of days or longer time; Progressively increase (step up) or quicken increase (ramp up), up to the required change that detects mean strain.The change of the microstrain at one or more inductors place can be about 50 or bigger.In other embodiments, the change of microstrain can be for more than 70, more than 100, more than 150 or about 250.Except or replace to detect the loss of the Negative Pressure Difference between internal cavities 7 and its environment, strain gauge 13 can also be used to detect the loss of the emergent property of change.
Except that the weld seam around the pressing groove ellbeam 4, apply negative pressure and can warning be provided for the development of fatigue crack to internal cavities 7.The pressure that pressure-measuring device 12 is measured in the internal cavities 7.Get rid of the development that reduces to indicate fatigue crack of the vacuum magnitude that is attributable to fuel factor.Controller 50 can be provided; For example based on the simple device of microprocessor, microcontroller or programmable logical device; They receive the signal from each pressure-measuring device 12; And control transmitter 51 (perhaps other communication devices, such as modem) sends signal, indicates the negative pressure loss in one or more channel beams 4.For the purpose of clear, show that the controller 50 among Fig. 2 only is connected on the measuring instrument 12, but according to the supervision needs, controller 50 can be connected on any or all measuring instruments 12 also.Connection between measuring instrument 12 and the controller 50 can be wired or wireless.In the embodiment shown, controller 50 is installed to bridge 50 this locality, and transmitter 51 is used for the transmission of signal or propagates.In the alternative, measuring instrument 12 can comprise modem or can communication link receive other equipment on the network that for example telecommunicatio network perhaps passes through network challenge.
In some embodiments, for each channel beam 4 pressure-measuring device is provided.Simultaneously, channel beam 4 can be isolated each other, for example through valve 9 shown in Figure 2.Like this, can realize that local fatigue keeps watch on, the negative pressure loss in channel beam 4 can not cause all channel beams 4 loss negative pressure.In addition, channel beam 4 also can be isolated, and perhaps only need divide into groups to isolate, and in the case, single pressure-measuring device promptly is enough to detect in any one channel beam or the one group of channel beam fatigue crack in any one.
In some embodiments; Pressure-measuring device 12 can be exported a signal to pump controller 53; The operation of pump controller control pump 10 (if there is more than one pump controlled by it, then being a plurality of pumps 10) is if the size of negative pressure is reduced to than the low threshold value of setting value; Then pump controller 53 primer pumps make it get back to its setting value to increase negative pressure.Except any registration that the direct reading according to pressure-measuring device 12 can obtain, perhaps substitute as it, the startup frequency of pump 10 can show tired the adding up of channel beam 4 on every side.Pump controller 53 can pass through any suitable mechanism, comprises wired or wireless connection, and communication link is received measuring instrument 12.As controller 52, for the purpose of clear, in Fig. 2, only shown a this connection.In some embodiments, controller 50 can be implemented in same physical equipment with pump controller 52.
In some embodiments, the internal cavities 7 of test trough ellbeam 4 before applying negative pressure.Test can be through making internal cavities 7 be pressurized to malleation and confirming whether pressure keeps constant carrying out.For example, can internal cavities 7 be pressurized to and be higher than atmospheric pressure 15kPa, and can check that it is to keep malleation time limit of 24 hours.Pump 10 can be two-way; And be used to carry out malleation test; Malleation is tested or connecting 11 through pipeline and/or flexible pipe carries out, or carries out through the independent connection that is used to test, and this connects permission test before installation pipeline and/or flexible pipe connection 11 separately.In addition, can also do pressure test with different pumps.Test can show whether channel beam 4 might keep the negative pressure that applies.Even not through test or through any test but find to keep the channel beam 4 of negative pressure can be excluded (omitted).Zone around these channel beams 4 can remain unchanged, and perhaps strengthens with antifatigue with additive method, perhaps takes measures to get into the zone with sealing air.
From channel beam 4 the inside exhausts the added advantage that reduces channel beam 4 oxidations rate can be arranged.
Association area those of skill in the art are understood that the plate girder bridge of different structure.Done above-mentioned explanation for example according to a possible structure.The present invention can be applied to have other bridge constructions of the cavity of suitable location and sealing, and negative pressure can be applied on the cavity of sealing, to reduce contact place stress through compressing to connect.
For example, bridge construction can have difform channel beam, for example is defined as rectangle but not trapezoidal channel beam as shown in the figure.Strengthen or other purposes in order to replenish, channel beam can have internal construction.Single channel beam can comprise two cavitys of sealing each other, and it can keep isolating and keeping negative pressure independently, and perhaps they can connect together in short circuit, for example pass through boring and tapping hole on each, and connect each hole with pipeline and/or flexible pipe.
In addition, in the embodiment of describing, inner cavity part is formed by crossbeam by panel and part by channel beam, part.In the alternative, the end of channel beam can for example be welded in the add-in card (except that any crossbeam, therefore the end of channel beam can stop, to allow the space of add-in card) of channel beam end by the sealing of the miscellaneous part except that crossbeam.
In other embodiments of bridge construction, except the internal pressure of the channel beam that changes longitudinal extension, perhaps as its alternative, the channel beam that internal pressure changes can be crossed over the bridge horizontal expansion.Comprise the channel beam that favours horizontal and vertical extension with regard to bridge construction, the present invention also can be applicable to this bridge construction.
Be understood that invention open in this manual and that limit extends to all alternative combinations that mention in two or more texts or the accompanying drawing or tangible single characteristic.All these different combinations have constituted alternative various aspects of the present invention.
Claims (24)
1. method that changes the bridge construction emergent property; This bridge construction has the braced structures that is used for support panel; This braced structures and panel form the appropriate section of the internal cavities of mutual sealing; This method comprises the internal cavities of initiatively finding time, between internal cavities and its environment, to produce and the maintenance Negative Pressure Difference.
2. according to the process of claim 1 wherein that Negative Pressure Difference is at least 50kPa.
3. according to the process of claim 1 wherein that Negative Pressure Difference is at least about 90kPa.
4. according to the process of claim 1 wherein that Negative Pressure Difference is at least about 95kPa.
5. according to the process of claim 1 wherein that Negative Pressure Difference is in 95kPa arrives the scope of 100kPa.
6. according to the process of claim 1 wherein that negative pressure is about 100kPa.
7. according to each method in the claim 1 to 6; Also comprise a pressure sensor is connected to internal cavities; Wherein this pressure sensor be fit to produce signal output, be used for representing it detected reducing of said Negative Pressure Difference or lose at least one.
8. according to each method in the claim 1 to 6; Wherein bridge construction comprises a plurality of said braced structuress; Each braced structures forms the part of the internal cavities of corresponding sealing with panel, and this method comprises that applying said negative pressure simultaneously is worse than each braced structures.
9. according to Claim 8 method comprises applying the said braced structures that said negative pressure is worse than all basically formation bridge constructions simultaneously.
10. according to Claim 8 or the method for claim 9; Also comprise second in first and the said internal cavities in the said internal cavities is kept apart, so the loss of the said Negative Pressure Difference in first said internal cavities can not cause the loss of second Negative Pressure Difference in the said internal cavities.
11. each method in 10 is according to Claim 8 carried out pressure test to each described internal cavities before being included in the internal cavities of initiatively finding time, if it is through pressure test, then only carries out this step of said internal cavities of initiatively finding time.
12. a bridge construction comprises panel and is connected to the braced structures on the panel that braced structures and panel form the part of the internal cavities of mutual sealing, and the Negative Pressure Difference of 50kPa is at least wherein arranged between this internal cavities and its environment.
13. according to the bridge construction of claim 12, wherein Negative Pressure Difference is at least about 60kPa.
14. according to the bridge construction of claim 12, wherein Negative Pressure Difference is at least about 70kPa.
15. according to the bridge construction of claim 12, wherein Negative Pressure Difference is at least about 90kPa.
16. according to the bridge construction of claim 12, wherein Negative Pressure Difference is at least about 100kPa.
17. according to each bridge construction in the claim 12 to 16, wherein bridge construction is a plate girder bridge, braced structures is the channel beam along the plate girder bridge longitudinal extension.
18. according to the bridge construction of claim 17, wherein braced structures is extended between two crossbeams, and is sealed by crossbeam at its place, end.
19. according to the bridge construction of claim 17 or claim 18, wherein internal cavities extends along the entire longitudinal length of braced structures basically.
20. according to each bridge construction in the claim 12 to 19; Comprise and be fit to and connected be used for the pressure detector of Negative Pressure Difference of monitors internal cavity; This pressure detector is received on the controller by communication link; This controller is fit to receive the output of pressure detector, and the loss of transmitting or exporting the Negative Pressure Difference of detected internal cavities.
21. according to each bridge construction in the claim 12 to 20, comprise a plurality of braced structuress, the said Negative Pressure Difference of each braced structures is substantially the same.
22. according to each bridge construction in the claim 12 to 20, comprise a plurality of braced structuress, wherein at least two braced structuress are in different, the Negative Pressure Difference of 50kPa at least.
23. according to the bridge construction of claim 21 or claim 22, wherein each braced structures is all isolated with other braced structuress, therefore the loss of the Negative Pressure Difference in braced structures can not cause the Negative Pressure Difference loss in other braced structuress.
24. bridge construction according to claim 23; Comprise the independent pressure detector that each braced structures all has; Said pressure detector is fit to transmit or export a signal; Show that this moment, its related support structure had any in Negative Pressure Difference that is reduced to output triggering level or the Negative Pressure Difference of the losing, perhaps both have concurrently.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2009905001A AU2009905001A0 (en) | 2009-10-14 | A bridge construction and method for reducing bridge fatigue | |
| AU2009905001 | 2009-10-14 | ||
| PCT/AU2010/001268 WO2011044611A1 (en) | 2009-10-14 | 2010-09-28 | A bridge construction and method for modifying strain characteristics of a bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102713070A true CN102713070A (en) | 2012-10-03 |
Family
ID=43875697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010800466957A Pending CN102713070A (en) | 2009-10-14 | 2010-09-28 | A bridge construction and method for modifying strain characteristics of a bridge |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP2488699A1 (en) |
| JP (1) | JP2013507547A (en) |
| CN (1) | CN102713070A (en) |
| AU (1) | AU2010306063A1 (en) |
| CA (1) | CA2778354A1 (en) |
| NZ (1) | NZ599817A (en) |
| RU (1) | RU2012119588A (en) |
| WO (1) | WO2011044611A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6908541B2 (en) * | 2018-02-21 | 2021-07-28 | 公益財団法人鉄道総合技術研究所 | Method of suppressing crack growth around the bearing of the steel girder |
| US11307114B2 (en) | 2018-12-17 | 2022-04-19 | National Oilwell Varco, L.P. | Pressure-based flaw detection |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0350822A2 (en) * | 1988-07-15 | 1990-01-17 | Bilfinger + Berger Vorspanntechnik Gmbh | Process for renovating the corrosion prevention of tension elements of bridges or similar stayed constructions, and apparatus for carrying out this process |
| CN1773226A (en) * | 2005-11-10 | 2006-05-17 | 上海交通大学 | High-speed dynamic vehicle overload detecting method based on bridge strain |
| WO2008107461A1 (en) * | 2007-03-06 | 2008-09-12 | Hochschule Wismar University Of Technology, Business And Design | Method and device for inspecting hollow profiled elements |
| CN101424665A (en) * | 2007-11-01 | 2009-05-06 | 本田技研工业株式会社 | Panel inspection apparatus and inspection method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001207408A (en) * | 2000-01-31 | 2001-08-03 | Mitsubishi Heavy Ind Ltd | Corrosion-preventive structure of cable for suspension structure and corrosion-preventive method of cable for suspension structure |
| US6889557B2 (en) * | 2002-02-11 | 2005-05-10 | Bechtel Bwxt Idaho, Llc | Network and topology for identifying, locating and quantifying physical phenomena, systems and methods for employing same |
| CN101408487B (en) * | 2008-10-28 | 2011-06-29 | 常州赛杰电子信息有限公司 | Bridge structure safe state emergency monitoring and early warning method and system based on wireless sensor network |
-
2010
- 2010-09-28 EP EP10822886A patent/EP2488699A1/en not_active Withdrawn
- 2010-09-28 JP JP2012533434A patent/JP2013507547A/en not_active Withdrawn
- 2010-09-28 NZ NZ599817A patent/NZ599817A/en not_active IP Right Cessation
- 2010-09-28 CA CA2778354A patent/CA2778354A1/en not_active Abandoned
- 2010-09-28 AU AU2010306063A patent/AU2010306063A1/en not_active Abandoned
- 2010-09-28 CN CN2010800466957A patent/CN102713070A/en active Pending
- 2010-09-28 RU RU2012119588/03A patent/RU2012119588A/en not_active Application Discontinuation
- 2010-09-28 WO PCT/AU2010/001268 patent/WO2011044611A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0350822A2 (en) * | 1988-07-15 | 1990-01-17 | Bilfinger + Berger Vorspanntechnik Gmbh | Process for renovating the corrosion prevention of tension elements of bridges or similar stayed constructions, and apparatus for carrying out this process |
| CN1773226A (en) * | 2005-11-10 | 2006-05-17 | 上海交通大学 | High-speed dynamic vehicle overload detecting method based on bridge strain |
| WO2008107461A1 (en) * | 2007-03-06 | 2008-09-12 | Hochschule Wismar University Of Technology, Business And Design | Method and device for inspecting hollow profiled elements |
| WO2008107461B1 (en) * | 2007-03-06 | 2008-12-11 | Hochschule Wismar University O | Method and device for inspecting hollow profiled elements |
| CN101424665A (en) * | 2007-11-01 | 2009-05-06 | 本田技研工业株式会社 | Panel inspection apparatus and inspection method |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2010306063A1 (en) | 2012-05-31 |
| EP2488699A1 (en) | 2012-08-22 |
| NZ599817A (en) | 2013-11-29 |
| JP2013507547A (en) | 2013-03-04 |
| CA2778354A1 (en) | 2011-04-21 |
| RU2012119588A (en) | 2013-11-20 |
| WO2011044611A1 (en) | 2011-04-21 |
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Application publication date: 20121003 |