CN105825009A - Bridge vertical deformation property early warning method based on building information modeling - Google Patents
Bridge vertical deformation property early warning method based on building information modeling Download PDFInfo
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- CN105825009A CN105825009A CN201610148057.5A CN201610148057A CN105825009A CN 105825009 A CN105825009 A CN 105825009A CN 201610148057 A CN201610148057 A CN 201610148057A CN 105825009 A CN105825009 A CN 105825009A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/36—Circuit design at the analogue level
- G06F30/367—Design verification, e.g. using simulation, simulation program with integrated circuit emphasis [SPICE], direct methods or relaxation methods
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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
- 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
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
Abstract
The invention provides a bridge vertical deformation property early warning method based on building information modeling, which effectively combines a bridge health monitoring system and a BIM (Building Information Modeling) technology. The method comprises the following steps: step 1: establishing a bridge structure information model BIM with data of the bridge health monitoring system; step 2: obtaining real-time monitoring data of vertical flexibility of a bridge structure based on the bridge structure health monitoring system; step 3: calculating the vertical flexibility of each point of the whole bridge by applying a polynomial interpolating algorithm and reflecting a calculated result to an established bridge BIM model; step 4: processing vertical flexibility data by utilizing a collision detection function of the BIM technology and carrying out collision detection on a current bridge state and a preset threshold value, so as to realize an early warning function and directly display an early warning part. By adopting the bridge vertical deformation property early warning method, the timeliness and intuitiveness of early warning of vertical deformation properties of bridges can be effectively improved, and the method can be widely applied and popularized.
Description
Technical field
The present invention relates to bridge structural health monitoring field, more specifically a kind of bridge vertical deformation performance method for early warning based on BIM BIM (BuildingInformationModeling).
Background technology
Along with softization and the increasingly complex of version and function of Longspan Bridge design, the safe operation of bridge becomes and is related to a national traffic, economic development, military affairs or even the major issue of people life property safety.Often have due to large bridges and invest big, design cycle and service life length, work under bad environment, easily affected by ambient atmosphere, temperature, humidity and weather and deterioration occurs and bears the features such as dynamic load for a long time, thus bridge structure is carried out long-term health monitoring and state estimation just seems the most necessary.The most therefore the health monitoring technique of large bridge becomes a key areas of science of bridge building disciplinary study and development.
BIM is using every relevant information data of construction-engineering project as the basis of model, carries out the foundation of BUILDINGS MODELS, the real information being had by digital information analogue simulation building.BIM is as a kind of brand-new theory and technology, just by Chinese scholars and the common concern of industry.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of bridge vertical deformation performance method for early warning based on BIM, embodies the information integration of BIM technology and the visual application in bridge structural health monitoring direction greatly.
Technical scheme: for achieving the above object, technical scheme is as follows:
A kind of bridge vertical deformation performance method for early warning based on BIM, the method comprises the following steps:
A. the bridge structure information model BIM with health monitoring systems information is set up；
B. the Real-time Monitoring Data of vertical deflection is obtained based on bridge health monitoring system；
C. use polynomial interopolation algorithm by the vertical deflection data of known measuring point, the vertical deflection of full-bridge each point to be calculated, and in built bridge structure information model, check the result of calculation of correspondence；
D. collision detection function in BIM is combined for structure vertical deflection, by carrying out collision detection when the location status of front axle beam state Yu the threshold value of setting, reach warning function；After all clear, record damaging part.
Further, described step A is set up the bridge structure information model BIM with health monitoring systems information to include:
A1. in bridge structure information model BIM, set up the bridge structure information model of real bridge；
A2. according to vertical deflection sensor position in true bridge, the correspondence position of the bridge structure information model BIM set up in A1 sets up sensor model, each sensor information can be checked, there is positioning function, the Real-time Monitoring Data simultaneously obtained in recording step B.
Further, described step C use polynomial interopolation algorithm by the vertical deflection data of known measuring point, the vertical deflection of full-bridge each point is calculated, itself particularly as follows:
The bridge vertical deflection number of probes n that first has to demand perfection is more than or equal to 4, i.e. n >=4, to meet required precision；If i=1,2,；N, δiFor synchronization by the vertical deflection data of the vertical deflection sensor record of order from left to right；xiFor the distance by each sensor distance left support abutment of order from left to right, vertical deflection data δiWith distance xiMeet following equations:
Wherein, aiFor multinomial coefficient, it may be assumed that
Solve equation (2), available multinomial coefficient ai
The multinomial coefficient a that will solve againiSubstitute in equation (1) with distance x of any position with left support abutment, bridge vertical deflection everywhere of can demanding perfection.
Further, described step C can check in built bridge structure information model correspondence result of calculation particularly as follows:
By identical with value of calculation by carrying out the amount of deflection of each position in real-time conversion, i.e. model with polynomial interopolation calculated vertical deflection data for the deflection value of the bridge structure information model each position set up in step A, and update by frequency.
Further, described step D combines collision detection function in BIM technology for structure vertical deflection, will carry out collision detection when the location status of front axle beam state Yu the threshold value of setting, reach warning function itself particularly as follows:
For structure vertical deflection data, full-bridge is arranged normal work and beyond threshold status according to allowable displacement, and set up bridge structure information model according to structure attribute during threshold status, meanwhile, the structural information model of reaction bridge displacement is carried out collision detection, if colliding with setting threshold status model, send alarm, and report position of collision, after all clear, record damaging part.
Beneficial effect: for structure vertical deflection data, full-bridge is arranged normal work and beyond threshold status according to allowable displacement, and set up bridge structure information model according to structure attribute during threshold status, simultaneously, the structural information model of reaction bridge displacement is carried out collision detection with setting threshold status model, if colliding, sending alarm, and reporting position of collision.After all clear, record damaging part.
The invention has the beneficial effects as follows: carry out bridge structure safe early warning based on BIM technology, can well be associated with bridge maintaining with Bridge Design based on BIM technology, bridge construction；Bridge structure information model can use same model, only need to add the sensor model of health monitoring systems again；The most this method for early warning has good visuality, solves health monitoring visuality not enough, the feature that data are uninteresting.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of bridge vertical deformation performance method for early warning schematic diagram based on BIM technology.
Detailed description of the invention
As a example by the Foundations of Dashengguan Changjiang River Bridge of Nanjing, the specific implementation process of the present invention is described, in conjunction with accompanying drawing, the present invention is further described.
Such as accompanying drawing 1, A. sets up the bridge structure information model (BIM) with health monitoring systems information；
B. the Real-time Monitoring Data of vertical deflection is obtained based on bridge health monitoring system；
C. use polynomial interopolation algorithm by the vertical deflection data of known measuring point, the vertical deflection of full-bridge each point to be calculated, and the result of calculation of correspondence can be checked in built bridge structure information model；
D. collision detection function in BIM technology is combined for structure vertical deflection, by carrying out collision detection when the location status of front axle beam state Yu the threshold value of setting, reach warning function.After all clear, record damaging part.
Described step A is set up the bridge structure information model (BIM) with health monitoring systems information can re-establish, it is possible to use the bridge structure information model set up during based on BIM technology Bridge Design or construction.
Step C uses polynomial interopolation algorithm the step for calculated the vertical deflection of full-bridge each point by the vertical deflection data of known measuring point, itself particularly as follows:
The bridge vertical deflection number of probes n that first has to demand perfection is more than or equal to 4, i.e. n >=4, to meet certain required precision.If δi(i=1,2, n) it is the synchronization vertical deflection data by the vertical deflection sensor record of order from left to right.If xi(i=1,2, n) for the distance by each sensor distance left support abutment of order from left to right.Vertical deflection data δiWith distance xiMeet following equations:
Wherein, aiFor multinomial coefficient.
That is:
Solve equation (2), available multinomial coefficient ai(i=1,2, n).
The multinomial coefficient a that will solve againi(i=1,2, n) distance x with any position with left support abutment substitutes in equation (1), bridge vertical deflection everywhere of can demanding perfection.
By identical with value of calculation by carrying out the amount of deflection of each position in real-time conversion, i.e. model with polynomial interopolation calculated vertical deflection data for the deflection value of the bridge structure information model each position set up in step A, and press certain frequency renewal.
Further, described step D combines collision detection function in BIM technology for structure vertical deflection, will carry out collision detection when the location status of front axle beam state Yu the threshold value of setting, the step for of reaching warning function, itself particularly as follows:
Vertical deflection health monitoring data according to Nanjing Foundations of Dashengguan Changjiang River Bridge, full-bridge is arranged normal work and beyond threshold status according to allowable displacement, and set up bridge structure information model according to structure attribute during threshold status, simultaneously, the structural information model of reaction bridge displacement is carried out collision detection with setting threshold status model, if colliding, sending alarm, and reporting position of collision.After all clear, record damaging part.
The above is only the preferred embodiment of the present invention; it is noted that, for those skilled in the art; under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (5)
1. a bridge vertical deformation performance method for early warning based on BIM, it is characterised in that: the method comprises the following steps:
A. the bridge structure information model BIM with health monitoring systems information is set up；
B. the Real-time Monitoring Data of vertical deflection is obtained based on bridge health monitoring system；
C. use polynomial interopolation algorithm by the vertical deflection data of known measuring point, the vertical deflection of full-bridge each point to be calculated, and in built bridge structure information model, check the result of calculation of correspondence；
D. collision detection function in BIM is combined for structure vertical deflection, by carrying out collision detection when the location status of front axle beam state Yu the threshold value of setting, reach warning function；After all clear, record damaging part.
A kind of bridge vertical deformation performance method for early warning based on BIM, it is characterised in that: described step A is set up the bridge structure information model BIM with health monitoring systems information and includes:
A1. in bridge structure information model BIM, set up the bridge structure information model of real bridge；
A2. according to vertical deflection sensor position in true bridge, the correspondence position of the bridge structure information model BIM set up in A1 sets up sensor model, each sensor information can be checked, there is positioning function, the Real-time Monitoring Data simultaneously obtained in recording step B.
A kind of bridge vertical deformation performance method for early warning based on BIM, it is characterized in that: described step C use polynomial interopolation algorithm by the vertical deflection data of known measuring point, the vertical deflection of full-bridge each point is calculated, itself particularly as follows:
The bridge vertical deflection number of probes n that first has to demand perfection is more than or equal to 4, i.e. n >=4, to meet required precision；If i=1,2,；N, δiFor synchronization by the vertical deflection data of the vertical deflection sensor record of order from left to right；xiFor the distance by each sensor distance left support abutment of order from left to right, vertical deflection data δiWith distance xiMeet following equations:
Wherein, aiFor multinomial coefficient, it may be assumed that
Solve equation (2), available multinomial coefficient ai
The multinomial coefficient a that will solve againiSubstitute in equation (1) with distance x of any position with left support abutment, bridge vertical deflection everywhere of can demanding perfection.
A kind of bridge vertical deformation performance method for early warning based on BIM, it is characterised in that: described step C can check in built bridge structure information model correspondence result of calculation particularly as follows:
By identical with value of calculation by carrying out the amount of deflection of each position in real-time conversion, i.e. model with polynomial interopolation calculated vertical deflection data for the deflection value of the bridge structure information model each position set up in step A, and update by frequency.
A kind of bridge vertical deformation performance method for early warning based on BIM, it is characterized in that: described step D combines collision detection function in BIM technology for structure vertical deflection, collision detection will be carried out when the location status of front axle beam state Yu the threshold value of setting, reach warning function itself particularly as follows:
For structure vertical deflection data, full-bridge is arranged normal work and beyond threshold status according to allowable displacement, and set up bridge structure information model according to structure attribute during threshold status, meanwhile, the structural information model of reaction bridge displacement is carried out collision detection, if colliding with setting threshold status model, send alarm, and report position of collision, after all clear, record damaging part.
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Cited By (11)
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| CN106339558A (en) * | 2016-08-30 | 2017-01-18 | 江苏国泰新点软件有限公司 | Inspection method and device of building model |
| CN106368247A (en) * | 2016-09-22 | 2017-02-01 | 上海同筑信息科技有限公司 | Foundation pit intelligent monitoring and active forewarning method and system based on building information modeling (BIM) |
| CN107059628A (en) * | 2017-02-04 | 2017-08-18 | 北京交通大学 | A kind of monorail transit guideway beam alignment control technology based on BIM |
| CN107818227A (en) * | 2017-11-17 | 2018-03-20 | 厦门大学 | A kind of bridge machinery approaches to IM and system based on BIM |
| CN108153983A (en) * | 2017-12-27 | 2018-06-12 | 江苏壹鼎崮机电科技有限公司 | Intelligently pipe supports method and system to Plate of Flat Steel Box Girder based on BIM |
| CN108645360A (en) * | 2018-06-22 | 2018-10-12 | 核工业西南勘察设计研究院有限公司 | A kind of bridge monitoring methods |
| CN109376474A (en) * | 2018-11-25 | 2019-02-22 | 香港华艺设计顾问(深圳)有限公司 | A kind of space analysis method and terminal device based on BIM |
| CN109579680A (en) * | 2018-11-22 | 2019-04-05 | 中国十七冶集团有限公司 | A kind of displacement monitoring method of interim door opening |
| CN111272368A (en) * | 2020-02-24 | 2020-06-12 | 南京震坤物联网科技有限公司 | Support and hanger degradation alarm method based on fundamental frequency data K-Means clustering |
| CN112797960A (en) * | 2020-12-29 | 2021-05-14 | 青岛亿联建设集团股份有限公司 | Building data monitoring devices based on BIM |
| CN117333824A (en) * | 2023-12-01 | 2024-01-02 | 中铁十九局集团第三工程有限公司 | BIM-based bridge construction safety monitoring method and system |
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| CN106339558A (en) * | 2016-08-30 | 2017-01-18 | 江苏国泰新点软件有限公司 | Inspection method and device of building model |
| CN106368247A (en) * | 2016-09-22 | 2017-02-01 | 上海同筑信息科技有限公司 | Foundation pit intelligent monitoring and active forewarning method and system based on building information modeling (BIM) |
| CN107059628A (en) * | 2017-02-04 | 2017-08-18 | 北京交通大学 | A kind of monorail transit guideway beam alignment control technology based on BIM |
| CN107818227A (en) * | 2017-11-17 | 2018-03-20 | 厦门大学 | A kind of bridge machinery approaches to IM and system based on BIM |
| CN107818227B (en) * | 2017-11-17 | 2020-02-04 | 厦门大学 | Bridge detection information management method and system based on BIM |
| CN108153983A (en) * | 2017-12-27 | 2018-06-12 | 江苏壹鼎崮机电科技有限公司 | Intelligently pipe supports method and system to Plate of Flat Steel Box Girder based on BIM |
| CN108153983B (en) * | 2017-12-27 | 2021-06-29 | 江苏壹鼎崮机电科技有限公司 | BIM-based intelligent management and maintenance method and system for flat steel box girder |
| CN108645360A (en) * | 2018-06-22 | 2018-10-12 | 核工业西南勘察设计研究院有限公司 | A kind of bridge monitoring methods |
| CN109579680A (en) * | 2018-11-22 | 2019-04-05 | 中国十七冶集团有限公司 | A kind of displacement monitoring method of interim door opening |
| CN109376474A (en) * | 2018-11-25 | 2019-02-22 | 香港华艺设计顾问(深圳)有限公司 | A kind of space analysis method and terminal device based on BIM |
| CN109376474B (en) * | 2018-11-25 | 2023-09-19 | 香港华艺设计顾问(深圳)有限公司 | Building space analysis method and terminal equipment based on BIM |
| CN111272368A (en) * | 2020-02-24 | 2020-06-12 | 南京震坤物联网科技有限公司 | Support and hanger degradation alarm method based on fundamental frequency data K-Means clustering |
| CN112797960A (en) * | 2020-12-29 | 2021-05-14 | 青岛亿联建设集团股份有限公司 | Building data monitoring devices based on BIM |
| CN117333824A (en) * | 2023-12-01 | 2024-01-02 | 中铁十九局集团第三工程有限公司 | BIM-based bridge construction safety monitoring method and system |
| CN117333824B (en) * | 2023-12-01 | 2024-02-13 | 中铁十九局集团第三工程有限公司 | BIM-based bridge construction safety monitoring method and system |
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