CN105825009B - A kind of bridge vertical deformation performance method for early warning based on Building Information Model - Google Patents
A kind of bridge vertical deformation performance method for early warning based on Building Information Model Download PDFInfo
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- CN105825009B CN105825009B CN201610148057.5A CN201610148057A CN105825009B CN 105825009 B CN105825009 B CN 105825009B CN 201610148057 A CN201610148057 A CN 201610148057A CN 105825009 B CN105825009 B CN 105825009B
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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 present invention proposes a kind of bridge vertical deformation performance method for early warning based on Building Information Model, is effective combination of bridge health monitoring system and BIM technology.This method comprises the following steps：Step 1：Establish the bridge structure information model BIM with health monitoring systems data；Step 2：The Real-time Monitoring Data of the vertical deflection of bridge structure is obtained based on bridge health monitoring system；Step 3：Full-bridge each point vertical deflection is calculated with polynomial interopolation algorithm, and the result being calculated is reflected in built bridge BIM models；Step 4：Vertical deflection data are used with the collision detection function of BIM technology, front axle beam state will be worked as and carry out collision detection with given threshold, not only realize warning function, but also can be intuitively displayed early warning position.The present invention effectively increases the real-time and intuitive of bridge vertical deformation performance early warning, will be used widely and promote.
Description
Technical field
The present invention relates to bridge structural health monitoring fields, more specifically a kind of to be based on Building Information Model BIM
The bridge vertical deformation performance method for early warning of (Building Information Modeling).
Background technology
With softization of Longspan Bridge design and the increasingly complex of structure type and function, the safety fortune of bridge
Battalion becomes the major issue for being related to a national traffic, economic development, military affairs or even people life property safety.Due to big
Type science of bridge building often has that investment big, design cycle and service life are long, working environment is severe, easily by ambient atmosphere, temperature,
The influence of humidity and weather and deterioration and long-term the features such as bearing dynamic load occurs, thus bridge structure is carried out long-term strong
Health monitors and status assessment is just very necessary.Therefore the health monitoring technique of large bridge also becomes bridge engineering scientific research
The key areas studied carefully and developed.
Building Information Model is every relevant information data using construction-engineering project as the basis of model, is built
The foundation of model passes through real information possessed by digital information analogue simulation building.Building Information Model is as a kind of complete
New theory and technology, just by the common concern of domestic and foreign scholars and industry.
Invention content
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention to provide a kind of based on Building Information Model
Bridge vertical deformation performance method for early warning, greatly embody the information integration of BIM technology with visuality in bridge structure
The application in health monitoring direction.
Technical solution：To achieve the above object, technical scheme is as follows：
A kind of bridge vertical deformation performance method for early warning based on Building Information Model, this approach includes the following steps：
A. the bridge structure information model BIM with health monitoring systems information is established；
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 to the vertical deflection of full-bridge each point into
Row calculates, and checks corresponding result of calculation in built bridge structure information model；
D. for collision detection function in structure vertical deflection combination Building Information Model, front axle beam state and setting will be worked as
Threshold value location status carry out collision detection, reach warning function；After all clear, damaging part is recorded.
Further, the bridge structure information model BIM packets with health monitoring systems information are established in the step A
It includes：
A1. the bridge structure information model of real bridge is established in bridge structure information model BIM；
A2. the position according to vertical deflection sensor in true bridge, the bridge structure information model established in A1
The corresponding position of BIM establishes sensor model, can check each sensor information, has positioning function, while in recording step B
The Real-time Monitoring Data of acquisition.
Further, the step C uses polynomial interopolation algorithm by the vertical deflection data of known measuring point to full-bridge
The vertical deflection of each point is calculated, and is specially：
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, δiIt is the vertical deflection data that synchronization is recorded by the vertical deflection sensor of sequence from left to right；xiFor
By the distance of each sensor distance left support abutment of sequence from left to right, vertical deflection data δiWith distance xiMeet following equations：
Wherein, aiFor multinomial coefficient, i.e.,：
(2) are solved equation, multinomial coefficient a can be obtainedi
Again by the multinomial coefficient a of solutioniIt is substituted into equation (1) with any position and left support abutment distance x, you can demand perfection
Bridge vertical deflection everywhere.
Further, the step C can check corresponding result of calculation tool in built bridge structure information model
Body is：
The deflection value of the bridge structure information model each position established in step A is calculated by with polynomial interopolation
Vertical deflection data converted in real time, i.e., the amount of deflection of each position is identical as calculated value in model, and by frequency update.
Further, the step D is for collision detection function in structure vertical deflection combination BIM technology, by current bridge
The location status of beam-like state and the threshold value of setting carries out collision detection, and reaching warning function, it is specially：
For structure vertical deflection data, normal work is arranged according to allowable displacement in full-bridge and exceeds threshold status,
And bridge structure information model is established according to structure attribute when threshold status, meanwhile, the structural information mould of bridge displacement will be reacted
Type carries out collision detection with given threshold state model and sends out alarm, and report position of collision, all clear if colliding
Afterwards, damaging part is recorded.
Advantageous effect：For structure vertical deflection data, normal work is arranged according to allowable displacement in full-bridge and is exceeded
Threshold status, and bridge structure information model is established according to structure attribute when threshold status, meanwhile, the knot of bridge displacement will be reacted
Structure information model carries out collision detection with given threshold state model and sends out alarm, and report position of collision if colliding.
After all clear, damaging part is recorded.
The beneficial effects of the invention are as follows:Bridge structure safe early warning is carried out based on BIM technology, can be very good and be based on
The Bridge Design of BIM technology, bridge construction are associated with bridge maintaining；Bridge structure information model can use same model,
The sensor model of health monitoring systems need to be only added again；This method for early warning has good visuality simultaneously, solves
Health monitoring is visual insufficient, data uninteresting features.
Description of the drawings
Attached drawing 1 is a kind of bridge vertical deformation performance method for early warning schematic diagram based on BIM technology.
Specific implementation mode
By taking the Foundations of Dashengguan Changjiang River Bridge of Nanjing as an example, illustrate the specific implementation process of the present invention, the present invention is made in conjunction with attached drawing
Further description.
Such as attached drawing 1, A. establishes 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 to the vertical deflection of full-bridge each point into
Row calculates, and can check corresponding result of calculation in built bridge structure information model；
It D., will be when the threshold of front axle beam state and setting for collision detection function in structure vertical deflection combination BIM technology
The location status of value carries out collision detection, reaches warning function.After all clear, damaging part is recorded.
The bridge structure information model (BIM) with health monitoring systems information is established in the step A to be built again
Bridge structure information model that is vertical, can also using based on BIM technology Bridge Design or be established when constructing.
Step C is with polynomial interopolation algorithm by the vertical deflection data of known measuring point to the vertical deflection of full-bridge each point
The step for being calculated be specially：
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, is wanted with the precision for meeting certain
It asks.If δi(i=1,2, n) it is that synchronization is vertically scratched as what the vertical deflection sensor of sequence from left to right recorded
Degrees of data.If xi(i=1,2, n) for by the distance of each sensor distance left support abutment of sequence from left to right.Vertically scratch
Degrees of data δiWith distance xiMeet following equations：
Wherein, aiFor multinomial coefficient.
I.e.：
(2) are solved equation, multinomial coefficient a can be obtainedi(i=1,2, n).
Again by the multinomial coefficient a of solutioni(i=1,2, n) is substituted into any position and left support abutment distance x
In equation (1), you can bridge vertical deflection everywhere of demanding perfection.
The deflection value of the bridge structure information model each position established in step A is calculated by with polynomial interopolation
Vertical deflection data converted in real time, i.e., the amount of deflection of each position is identical as calculated value in model, and press certain frequency
Update.
Further, the step D is for collision detection function in structure vertical deflection combination BIM technology, by current bridge
The location status of beam-like state and the threshold value of setting carries out collision detection, the step for reaching warning function, is specially：
According to the vertical deflection health monitoring data of Nanjing Foundations of Dashengguan Changjiang River Bridge, full-bridge is arranged according to allowable displacement
It works normally and exceeds threshold status, and bridge structure information model is established according to structure attribute when threshold status, meanwhile, it will be anti-
It answers the structural information model of bridge displacement and given threshold state model to carry out collision detection and sends out alarm if colliding, and
Report position of collision.After all clear, damaging part is recorded.
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of bridge vertical deformation performance method for early warning based on Building Information Model, it is characterised in that：This method include with
Lower step：
A. the bridge structure information model BIM with health monitoring systems information is established；
B. the Real-time Monitoring Data of vertical deflection is obtained based on bridge health monitoring system；
C. the vertical deflection of full-bridge each point is counted by the vertical deflection data of known measuring point with polynomial interopolation algorithm
It calculates, and corresponding result of calculation is checked in built bridge structure information model；
The step C is with polynomial interopolation algorithm by the vertical deflection data of known measuring point to the vertical deflection of full-bridge each point
It is calculated, is specially：
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, δiIt is the vertical deflection data that synchronization is recorded by the vertical deflection sensor of sequence from left to right；xiTo press
The distance of each sensor distance left support abutment of sequence from left to right, vertical deflection data δiWith distance xiMeet following equations：
Wherein, aiFor multinomial coefficient, i.e.,：
(2) are solved equation, multinomial coefficient a can be obtainedi
Again by the multinomial coefficient a of solutioniIt is substituted into equation (1) with any position and left support abutment distance x, you can bridge of demanding perfection is each
Locate vertical deflection；
It D., will be when the threshold of front axle beam state and setting for collision detection function in structure vertical deflection combination Building Information Model
The location status of value carries out collision detection, reaches warning function；After all clear, damaging part is recorded.
2. a kind of bridge vertical deformation performance method for early warning based on Building Information Model according to claim 1, feature
It is：The bridge structure information model BIM with health monitoring systems information is established in the step A includes：
A1. the bridge structure information model of real bridge is established in bridge structure information model BIM；
A2. the position according to vertical deflection sensor in true bridge, the bridge structure information model BIM's established in A1
Corresponding position establishes sensor model, can check each sensor information, has positioning function, while being obtained in recording step B
Real-time Monitoring Data.
3. a kind of bridge vertical deformation performance method for early warning based on Building Information Model according to claim 1, feature
It is：The step C can check that corresponding result of calculation is specially in built bridge structure information model：
The deflection value of the bridge structure information model each position established in step A is perpendicular by being calculated with polynomial interopolation
It is converted in real time to deflection data, i.e., the amount of deflection of each position is identical as calculated value in model, and is updated by frequency.
4. a kind of bridge vertical deformation performance method for early warning based on Building Information Model according to claim 1, feature
It is：The step D will work as front axle beam state and setting for collision detection function in structure vertical deflection combination BIM technology
Threshold value location status carry out collision detection, reaching warning function, it is specially：
For structure vertical deflection data, normal work is arranged according to allowable displacement in full-bridge and exceeds threshold status, and is pressed
Structure attribute establishes bridge structure information model when according to threshold status, meanwhile, will react the structural information model of bridge displacement with
Given threshold state model carries out collision detection and sends out alarm, and report position of collision if colliding, after all clear, note
Record damaging part.
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| CN106339558B (en) * | 2016-08-30 | 2019-10-25 | 江苏国泰新点软件有限公司 | The method of inspection and device of buildings 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 |
| CN107818227B (en) * | 2017-11-17 | 2020-02-04 | 厦门大学 | Bridge detection information management method and system 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 |
| 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 |
| CN111272368B (en) * | 2020-02-24 | 2021-07-30 | 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 |
| CN112797960B (en) * | 2020-12-29 | 2023-03-24 | 青岛亿联建设集团股份有限公司 | Building data monitoring devices based on BIM |
| 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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