CN110472375A - A kind of asymmetric suspension bridge construction management-control method based on BIM - Google Patents
A kind of asymmetric suspension bridge construction management-control method based on BIM Download PDFInfo
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- CN110472375A CN110472375A CN201910880926.7A CN201910880926A CN110472375A CN 110472375 A CN110472375 A CN 110472375A CN 201910880926 A CN201910880926 A CN 201910880926A CN 110472375 A CN110472375 A CN 110472375A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time management
- G06Q10/103—Workflow collaboration or project management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/08—Construction
Abstract
The invention discloses a kind of asymmetric suspension bridge construction management-control method based on BIM, belongs to bridge engineering construction technical field.The present invention includes the following steps: step 1, creates model: before construction, using aerial survey of unmanned aerial vehicle landform, generating point cloud, and handle point cloud data with dimensional topography software, generates three-dimensional terrain model；Step 2, Integrated Models；Step 3 calculates earth volume；BIM model conversion is finite element model by step 4；Step 5 calculates the stretching force of each sunpender according to the main push-towing rope line style that design provides, and the sunpender of the symmetrical region of king-tower two sides is completed by one to tensioning twice, and the sunpender in asymmetric region is completed by tensioning three times；Step 6 monitors main push-towing rope line style；Step 7 carries out the construction of subsequent bridge deck after the completion of suspender tension.The present invention realizes the information-based control of suspension bridge construction, can effectively guarantee the construction quality of suspension bridge, and save the duration, realize economic benefit.
Description
Technical field
The present invention relates to bridge engineering construction technical fields, more specifically to a kind of asymmetric suspension cable based on BIM
Bridge construction management-control method.
Background technique
Suspension bridge is a kind of important bridge type, is made of girder, bridge tower, anchorage, funicular system etc., by sunpender, main push-towing rope,
The structures such as cable saddle sling girder, realize the function of bridge.Suspension bridge good appearance is crossing over the orographic conditions such as rivers, mountain valley
Under it is very common.
The construction of suspension bridge has certain difficulty, reasonable control construction, it is ensured that construction quality and safety are in engineering
Emphasis.Application message technology can effectively realize above-mentioned requirements, and the prior art is not yet implemented, and urgent need obtains further
It solves.
Summary of the invention
1, it to solve the problems, such as
In view of the problems of the existing technology and insufficient, the present invention provides a kind of, and the asymmetric suspension bridge based on BIM is applied
Work management-control method realizes suspension bridge construction using technologies such as unmanned plane mapping, the calculating of BIM software modeling, finite element software
Information-based control, can effectively guarantee the construction quality of suspension bridge, and save the duration, realize economic benefit.
2, technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of asymmetric suspension bridge construction management-control method based on BIM of the invention, includes the following steps:
Step 1 creates model: before construction, using aerial survey of unmanned aerial vehicle landform, generating a point cloud, and with dimensional topography software
Point cloud data is handled, three-dimensional terrain model is generated；With BIM modeling software according to design drawing, suspension bridge model is created；Above two
The creation work of a model can carry out simultaneously, and to ensure aerial survey effect, the unmanned plane during flying of use be should be greater than cruise duration
30min；
Step 2, Integrated Models: relief model being imported into BIM software, is combined with suspension bridge model, output
The different construction stages, different perspectives illustraton of model, compared for subsequent construction and on-site actual situations；
Step 3 calculates earth volume: being compared according to the relief model before suspension bridge construction and after construction, calculates engineering
Excavation and embankment project amount, compared with the earth volume of field measurement, the foundation as engineering metering；
BIM model conversion is finite element model: suspension bridge BIM model being exported to IFC format, then is imported by step 4
In finite element software, do necessary processing: main push-towing rope using cable elements, sunpender using bar unit, girder using beam element, king-tower and
The other structures such as anchorage use solid element；
Step 5 calculates the stretching force of each sunpender according to the main push-towing rope line style that design provides, the symmetrical region of king-tower two sides
Sunpender is completed by one to tensioning twice, and the sunpender in asymmetric region is completed by tensioning three times；
Step 6 monitors main push-towing rope line style: according to the resulting main push-towing rope line style of above-mentioned suspender tension method, and comparison of design, if
Worst error is greater than 5cm, then needs to recalculate suspender tension scheme, carries out mending tensioning to abnormal sunpender or puts tensioning；
Step 7 carries out the construction of subsequent bridge deck after the completion of suspender tension.
3, beneficial effect
Compared with the prior art, the invention has the benefit that
A kind of asymmetric suspension bridge construction management-control method based on BIM of the invention, using unmanned plane mapping, BIM
The technologies such as software modeling, finite element software calculating realize the information-based control of suspension bridge construction；It can effectively guarantee suspension bridge
Construction quality, and the duration is saved, realize economic benefit.
Detailed description of the invention
Fig. 1 is that the asymmetric suspension bridge construction of the invention based on BIM manages flow chart.
Specific embodiment
The present invention is further described below with attached drawing combined with specific embodiments below:
Embodiment 1
As shown in Figure 1, a kind of asymmetric suspension bridge construction management-control method based on BIM of the present embodiment, including walk as follows
It is rapid:
Step 1 creates model: before construction, using aerial survey of unmanned aerial vehicle landform, generating a point cloud, and with dimensional topography software
Point cloud data is handled, three-dimensional terrain model is generated；With BIM modeling software according to design drawing, suspension bridge model is created；Above two
The creation work of a model can carry out simultaneously, and to ensure aerial survey effect, the unmanned plane during flying of use be should be greater than cruise duration
30min；
Step 2, Integrated Models: relief model being imported into BIM software, is combined with suspension bridge model, output
The different construction stages, different perspectives illustraton of model, compared for subsequent construction and on-site actual situations；
Step 3 calculates earth volume: being compared according to the relief model before suspension bridge construction and after construction, calculates engineering
Excavation and embankment project amount, compared with the earth volume of field measurement, the foundation as engineering metering；
BIM model conversion is finite element model: suspension bridge BIM model being exported to IFC format, then is imported by step 4
In finite element software, do necessary processing: main push-towing rope using cable elements, sunpender using bar unit, girder using beam element, king-tower and
The other structures such as anchorage use solid element；
Step 5 calculates the stretching force of each sunpender according to the main push-towing rope line style that design provides, the symmetrical region of king-tower two sides
Sunpender is completed by one to tensioning twice, and the sunpender in asymmetric region is completed by tensioning three times；
Step 6 monitors main push-towing rope line style: according to the resulting main push-towing rope line style of above-mentioned suspender tension method, and comparison of design, if
Worst error is greater than 5cm, then needs to recalculate suspender tension scheme, carries out mending tensioning to abnormal sunpender or puts tensioning；
Step 7 carries out the construction of subsequent bridge deck after the completion of suspender tension.
Using construction management-control method proposed by the present invention, can be very good the main push-towing rope line style for guaranteeing asymmetric suspension bridge and
Steeve tension, and foundation is provided for project management, there is good practical value.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual method is not limited thereto.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (1)
1. a kind of asymmetric suspension bridge construction management-control method based on BIM, characterized by the following steps:
Step 1 creates model: before construction, using aerial survey of unmanned aerial vehicle landform, generating point cloud, and handled with dimensional topography software
Point cloud data generates three-dimensional terrain model；With BIM modeling software according to design drawing, suspension bridge model is created；Two above mould
The creation work of type can carry out simultaneously, and to ensure aerial survey effect, the unmanned plane during flying of use should be greater than 30min cruise duration；
Step 2, Integrated Models: relief model being imported into BIM software, is combined with suspension bridge model, and output is different
Construction stage, different perspectives illustraton of model, compared for subsequent construction and on-site actual situations；
Step 3 calculates earth volume: being compared according to the relief model before suspension bridge construction and after construction, calculates the digging of engineering
Side and embankment project amount compare, the foundation as engineering metering with the earth volume of field measurement；
BIM model conversion is finite element model: suspension bridge BIM model being exported to IFC format, then is imported limited by step 4
In meta software, do necessary processing: main push-towing rope is using cable elements, sunpender using bar unit, girder using beam element, king-tower and anchorage
Etc. other structures use solid element；
Step 5 calculates the stretching force of each sunpender, the sunpender of the symmetrical region of king-tower two sides according to the main push-towing rope line style that design provides
It is completed by one to tensioning twice, the sunpender in asymmetric region is completed by tensioning three times；
Step 6 monitors main push-towing rope line style: according to the resulting main push-towing rope line style of above-mentioned suspender tension method, and comparison of design, if maximum
Error is greater than 5cm, then needs to recalculate suspender tension scheme, carries out mending tensioning to abnormal sunpender or puts tensioning；
Step 7 carries out the construction of subsequent bridge deck after the completion of suspender tension.
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| CN201910880926.7A CN110472375A (en) | 2019-09-18 | 2019-09-18 | A kind of asymmetric suspension bridge construction management-control method based on BIM |
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| CN201910880926.7A CN110472375A (en) | 2019-09-18 | 2019-09-18 | A kind of asymmetric suspension bridge construction management-control method based on BIM |
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Cited By (4)
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| CN110804955A (en) * | 2019-11-27 | 2020-02-18 | 江西省公路桥梁工程有限公司 | Bridge construction method based on BIM |
| CN111395173A (en) * | 2020-03-23 | 2020-07-10 | 东南大学 | BIM-based steel truss arch bridge bolt connection construction precision control method |
| CN112257157A (en) * | 2020-10-22 | 2021-01-22 | 中交一公局集团有限公司 | Cable system construction method based on BIM, cable system and suspension bridge |
| CN114910031A (en) * | 2022-06-27 | 2022-08-16 | 重庆交通大学 | Suspension bridge health monitoring method and system, computer equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110804955A (en) * | 2019-11-27 | 2020-02-18 | 江西省公路桥梁工程有限公司 | Bridge construction method based on BIM |
| CN111395173A (en) * | 2020-03-23 | 2020-07-10 | 东南大学 | BIM-based steel truss arch bridge bolt connection construction precision control method |
| CN111395173B (en) * | 2020-03-23 | 2021-06-29 | 东南大学 | BIM-based steel truss arch bridge bolt connection construction precision control method |
| CN112257157A (en) * | 2020-10-22 | 2021-01-22 | 中交一公局集团有限公司 | Cable system construction method based on BIM, cable system and suspension bridge |
| CN114910031A (en) * | 2022-06-27 | 2022-08-16 | 重庆交通大学 | Suspension bridge health monitoring method and system, computer equipment and storage medium |
| CN114910031B (en) * | 2022-06-27 | 2023-07-04 | 重庆交通大学 | Suspension bridge health monitoring method, system, computer equipment and storage medium |
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