CN108363860A - A kind of 3-D abnormal bridge formwork assembly setting out method based on BIM technology - Google Patents
A kind of 3-D abnormal bridge formwork assembly setting out method based on BIM technology Download PDFInfo
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Abstract
Type of the present invention is related to a kind of 3-D abnormal bridge formwork assembly setting out method based on BIM technology, belongs to engineering measuring technology field.It includes the following steps：Establish BIM models, the export of three-dimensional lofting data, two-dimensional assemblage, robot measurement field lofting, data acquisition and importing model review etc..Usefulness of the present invention is：Measurement data can be saved and calculate time and error rate, 3-D abnormal bridge formwork assembly measurement accuracy is improved, so that live piece, faulting of slab ends is below code requirement, save a large amount of construction costs, meanwhile, simplify and measure action, improves template assembly efficiency.
Description
Technical field
The present invention relates to a kind of 3-D abnormal bridge formwork assembly setting out method based on BIM technology.
Background technology
Currently, domestic bridge industry BIM technology is combined no application case with construction survey, relation technological researching is very few,
Especially space three-dimensional polymorphic structure bridge, everywhere moulding are in variation tendency, such as use traditional construction measurement method, then deposit
In following several big defects：
1, traditional coordinate and grid DEM method, enforcement difficulty is very big in 3-D abnormal bridge and accuracy is very low,
It virtually increases and measures difficulty and setting-out error, and can not ensure construction quality.
2, design drawing only provides D CAD electronic chart or papery domain paper, when measuring programming input curve element,
It is error-prone and be not easy to find.
3, due to the variation of horizontal curve, data that earth coordinates provide cannot intuitive reaction template virtual condition, lead
Cause measurement work efficiency relatively low.
4, traditional artificial aiming measurement method, efficiency is low and can not eliminate systematic error, and precision is poor.
Invention content
The technical problem to be solved by the present invention is to：3-D abnormal bridge is overcome to use traditional measurement computational methods and scene
Setting-out technique, the problem that means are single, low precision, efficiency are low, improves and measures work efficiency, and template assembly measurements is made to become simple, just
Just, accurately, construction coordination difficulty is reduced, the template assembly duration is shortened.
A kind of 3-D abnormal bridge formwork assembly setting out method based on BIM technology, it is characterised in that include the following steps：
（1）Establish BIM models：According to design drawing, 1 is carried out to the concrete veneer of bridge in Rhino softwares：1 accurately builds
Mould；
（2）Three-dimensional lofting data export：Based on established BIM models, the knot of setting-out is needed using Rhino Software on Drawing
Structure characteristic point carries out the selection of setting-out point, then, by the setting-out point of selection with three-dimensional coordinate then according to construction demand
Form batch exports；
（3）Two-dimensional assemblage：Derived three-dimensional coordinate is converted into plane coordinates with Formula of Coordinate System Transformation, and is used
UCS command modes are checked in AutoCAD, after review confirmation is errorless, can be come into operation；
（4）Robot measurement field lofting：Before surveying and locating, measurement data is imported in TS30 total powerstations, waits for that instrument is set and has stood
Cheng Hou starts robot measurement pattern and setup parameter, locks and tracks measurement to coming the small prism connection of card, carry out linesman
Make, realizes scene and mold sync；
（5）Data acquire：After the completion of assembly, the template that installation is complete is carried out using TS30 total powerstation non-prism technologies three-dimensional
Space coordinate acquires；
（6）Data check：BIM models are imported data to, error comparison is carried out, cooperation BIM models integrally carry out an acceptance inspection to bridge,
If deviation is larger, continue to finely tune, until indices meet code requirement, next step construction can be carried out, and so on
Complete full-bridge template assembly.
It is consistent with layout design coordinate system preferably, BIM models used coordinate system.
Preferably, the chosen position of setting-out point is corresponding with template processing segmented node.
Cartesian coordinate system, coordinate is used to convert using pier stud central point into coordinate original during two-dimensional assemblage
Point is checked with Formula of Coordinate System Transformation conversion plane coordinate, and using UCS command modes in AutoCAD.The plane
Coordinate is converted, and using cartesian coordinate system, Formula of Coordinate System Transformation is as follows：
If point to be converted is P, geodetic coordinates is：、, cartesian coordinate system origin O, earth coordinates：、, Descartes
Coordinate：、, construction coordinate system X-axis azimuth：
Cartesian coordinate is after the conversion of P points、：
。
Ucs orders coordinate switch process is as follows in AutoCAD：
First, enter key determines that then point takes central point to be appointed as X-axis after CAD order lines input user coordinate system ucs orders
On point, next point take vertical direction any point, specify X/Y plane on point, then be arranged coordinate origin be 0,0, complete
The conversion of coordinate system.
Preferably, card TS30 total powerstations are come using with robot measurement, by control point, using resection method
Method completes to set station, and backsight angle is between 30 ° to 150 °.
The small prism of card is come preferably, measuring and selecting, and switches Lai Ka little prism constants and is：- 17.5, it is selected at setting-out interface
The period for wanting setting-out is selected, the robot measurement of TS30 total powerstations by automatic aiming and locks correct azimuth, and it is small that movement comes card
Prism to instrument formulates direction, and robot measurement will search for automatically and tracking measurement, and setting-out difference is calculated and be shown in instrument, according to
The moving direction and displacement distance of instrument prompt, complete the setting-out of point.
Compared with existing measuring technique, usefulness of the present invention is：3-D abnormal bridge formwork based on BIM technology is spelled
Setting out method is filled, measurement data can be saved and calculate time and error rate, improve 3-D abnormal bridge formwork assembly measurement accuracy,
So that live piece, faulting of slab ends is below code requirement, saves a large amount of construction costs.Meanwhile simplifying and measuring action, improve template
Assembled efficiency.
Description of the drawings
This patent is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is that the survey of the present invention sets process flow diagram；
Fig. 2 is the field lofting schematic diagram of the present invention.
In figure：1, card TS30 total powerstations are come；2, control point；3,3-D abnormal template；4, the small prism of card is come.
Specific implementation mode
Below in conjunction with the accompanying drawings and type of the present invention is described in detail in specific implementation mode：
As shown in Figure 1 to Figure 2, a kind of 3-D abnormal bridge formwork assembly setting out method based on BIM technology of the present invention,
Include the following steps：
（1）Establish BIM models：According to design drawing, 1 is carried out to the concrete veneer of bridge in Rhino softwares：1 accurately builds
Mould.
（2）Three-dimensional lofting data export：Based on established BIM models, setting-out is needed using Rhino Software on Drawing
Structure feature point, then according to construction demand, carry out setting-out point selection, then, by the setting-out point of selection with three-dimensional
Coordinate form batch exports.
（3）Two-dimensional assemblage：With Formula of Coordinate System Transformation conversion plane coordinate, and using the order sides UCS in AutoCAD
Formula is checked, and after double method review confirmations are errorless, can be come into operation.
（4）Robot measurement field lofting：Before surveying and locating, measurement data importing is come in card TS30 total powerstations 1, waits for instrument
After the completion of device sets station, start robot measurement pattern and setup parameter, small prism is connected and locks and track measurement, carries out setting-out
Scene and mold sync are realized in work.
（5）Data acquire：After the completion of assembly, using coming card TS30 total powerstation non-prism technologies to the template that installation is complete
Carry out three dimensional space coordinate acquisition.
（6）BIM models are imported data to, error comparison is carried out, cooperation BIM models integrally carry out an acceptance inspection to bridge.If partially
Difference is larger, continues to finely tune, until indices meet code requirement, can carry out next step construction, and so on completion
Full-bridge template assembly.
In order to ensure the validity of coordinate and altitude data extraction at each every template node, BIM model used coordinate system and
Layout design coordinate system is consistent.
In order to meet Site Template assembly practice of construction, the chosen position of setting-out point is opposite with template processing segmented node
It answers.
In order to simplify coordinate digit so that data are more intuitive, instruction is more clear, beam section is facilitated to adjust, and sat using Descartes
Mark system, coordinate are converted using pier stud central point into coordinate origin, with Formula of Coordinate System Transformation conversion plane coordinate, and are used
UCS command modes are checked in AutoCAD, and Formula of Coordinate System Transformation is as follows in two-dimensional assemblage：
If point to be converted is P, geodetic coordinates is：、, cartesian coordinate system origin O, earth coordinates：、, Descartes
Coordinate：、, construction coordinate system X-axis azimuth：
Cartesian coordinate is after the conversion of P points、：
。
Ucs orders coordinate switch process is as follows in AutoCAD：
First, enter key determines that point takes central point to be appointed as in X-axis after CAD order lines input user coordinate system ucs orders
Point, then puts and takes vertical direction any point, specify the point on X/Y plane, and it is 0,0 that coordinate origin, which is finally arranged, completes coordinate system
Conversion.
In order to meet surveying and locating required precision, required precision here is ± 3mm, uses coming with robot measurement
Block TS30 total powerstations 1, by control point 2, complete to set station using resection method method, and backsight angle 30 ° to 150 ° it
Between.
Human error and instrument error, raising working efficiency are measured in order to reduce, selection is measured and comes the small prism 4 of card, and cut
It changes and comes small 4 constant of prism of card and be：- 17.5, at setting-out interface, the period of setting-out is wanted in selection, comes the measuring machine of card TS30 total powerstations 1
Device people is by automatic aiming and locks correct azimuth, and the mobile small prism 4 of card to the instrument that comes formulates direction, and robot measurement will be certainly
Simultaneously setting-out difference is calculated and be shown in tracking measurement, instrument for dynamic search, according to the moving direction and displacement distance of instrument prompt, completes
The setting-out of point is arranged wherein coming the small prism of card 4 in the upper end of 3-D abnormal template 3.
By model from the beginning of foundation to final completion be all based strictly on design drawing to initial data, mould
The accuracy of data also can effectively ensure that in type, greatly improves measurement accuracy, saves measurement data calculating time and error
Rate improves construction quality.
In short, the above is only the preferred embodiment of inventing type, not inventing type is made any form of restriction, it is all
Be type according to the present invention technical spirit to any simple modification, equivalent change and modification made by above example, still belong to
In the covering scope of type patent of the present invention.
Claims (7)
1. a kind of 3-D abnormal bridge formwork assembly setting out method based on BIM technology, it is characterised in that include the following steps：
（1）Establish BIM models：According to design drawing, 1 is carried out to the concrete veneer of bridge in Rhino softwares：1 accurately builds
Mould；
（2）Three-dimensional lofting data export：Based on established BIM models, the knot of setting-out is needed using Rhino Software on Drawing
Structure characteristic point carries out the selection of setting-out point, then, by the setting-out point of selection with three-dimensional coordinate then according to construction demand
Form batch exports；
（3）Two-dimensional assemblage：Derived three-dimensional coordinate is converted into plane coordinates with Formula of Coordinate System Transformation, and is used
UCS command modes are checked in AutoCAD, after review confirmation is errorless, can be come into operation；
（4）Robot measurement field lofting：Before surveying and locating, measurement data is imported in TS30 total powerstations, waits for that instrument is set and has stood
Cheng Hou starts robot measurement pattern and setup parameter, locks and tracks measurement to coming the small prism connection of card, carry out linesman
Make, realizes scene and mold sync；
（5）Data acquire：After the completion of assembly, the template that installation is complete is carried out using TS30 total powerstation non-prism technologies three-dimensional
Space coordinate acquires；
（6）Data check：BIM models are imported data to, error comparison is carried out, cooperation BIM models integrally carry out an acceptance inspection to bridge,
If deviation is larger, continue to finely tune, until indices meet code requirement, next step construction can be carried out, and so on
Complete full-bridge template assembly.
2. the 3-D abnormal bridge formwork assembly setting out method according to claim 1 based on BIM technology, feature exist
In：Step（1）Middle BIM models used coordinate system and is consistent with layout design coordinate system.
3. the 3-D abnormal bridge formwork assembly setting out method according to claim 1 based on BIM technology, feature exist
In：Step（2）The chosen position of middle setting-out point is corresponding with template processing segmented node.
4. the 3-D abnormal bridge formwork assembly setting out method according to claim 1 based on BIM technology, feature exist
In：Step（3）In using pier stud central point as coordinate origin, with Formula of Coordinate System Transformation conversion plane coordinate, and use AutoCAD
Middle ucs command modes are checked.
5. the 3-D abnormal bridge formwork assembly setting out method according to claim 4 based on BIM technology, feature exist
In：The two-dimensional assemblage, using cartesian coordinate system, Formula of Coordinate System Transformation is as follows：
If point to be converted is P, geodetic coordinates is：、, cartesian coordinate system origin O, earth coordinates：、, Descartes's seat
Mark：、, construction coordinate system X-axis azimuth：
Cartesian coordinate is after the conversion of P points、：
Ucs orders coordinate switch process is as follows in AutoCAD：
First, enter key determines that then point takes central point to be appointed as X-axis after CAD order lines input user coordinate system ucs orders
On point, next point take vertical direction any point, specify X/Y plane on point, then be arranged coordinate origin be 0,0, complete
The conversion of coordinate system.
6. the 3-D abnormal bridge formwork assembly setting out method according to claim 1 based on BIM technology, feature exist
In：Step（4）It is middle to come card TS30 total powerstations using with robot measurement, by control point, using resection method method come
Completion sets station, and backsight angle is between 30 ° to 150 °.
7. the 3-D abnormal bridge formwork assembly setting out method according to claim 1 based on BIM technology, feature exist
In：Step（4）In robot measurement field lofting：It measures to select and comes the small prism of card, and switch Lai Ka little prism constants and be：-
17.5, at setting-out interface, selection wants the period of setting-out, the robot measurement of TS30 total powerstations by automatic aiming and to lock correct
Azimuth, the mobile small prism of card to the instrument that comes formulate direction, and robot measurement will search for automatically and tracking measurement, and instrument calculates simultaneously
It shows setting-out difference, according to the moving direction and displacement distance of instrument prompt, completes the setting-out of point.
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| CN109655021A (en) * | 2019-01-31 | 2019-04-19 | 中铁四局集团第二工程有限公司 | A kind of curve PC track girder construction survey method |
| CN109826108A (en) * | 2019-01-15 | 2019-05-31 | 东南大学 | A kind of bridge incremental launching automatic monitoring method based on setting-out robot |
| CN109883327A (en) * | 2019-04-01 | 2019-06-14 | 上海宝冶建筑工程有限公司 | A kind of racing track frame system monitoring method |
| CN110009733A (en) * | 2019-04-11 | 2019-07-12 | 中国十九冶集团有限公司 | The construction method in cutting of steel components three-dimensional assembly face is determined based on BIM technology |
| CN110411372A (en) * | 2019-08-07 | 2019-11-05 | 广州迪宝信息技术有限公司 | It is a kind of that room collecting method is tested based on total station |
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| CN112097749A (en) * | 2020-09-10 | 2020-12-18 | 中国二十二冶集团有限公司 | Industrial plant axis measuring method |
| CN112231815A (en) * | 2020-10-22 | 2021-01-15 | 中铁四局集团第四工程有限公司 | Bridge engineering construction automatic measurement system and method based on BIM and measurement robot |
| CN112749430A (en) * | 2020-12-22 | 2021-05-04 | 中国华冶科工集团有限公司 | Method for manufacturing special-shaped cone |
| CN113221229A (en) * | 2021-06-04 | 2021-08-06 | 中国五冶集团有限公司 | BIM-based model data interaction system and method |
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| CN113538653B (en) * | 2021-06-04 | 2022-07-08 | 上海宝冶冶金工程有限公司 | Method and system for adjusting position of five-way ball delivery pipe based on BIM model |
| CN114491757A (en) * | 2022-01-26 | 2022-05-13 | 扬州大学 | Gravity center positioning method for assembly type bridge special-shaped pier stud based on severe mathematical model |
| CN114491757B (en) * | 2022-01-26 | 2024-01-23 | 扬州大学 | Gravity center positioning method for special-shaped pier column of assembled bridge based on severe mathematical model |
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| CN116026235B (en) * | 2022-12-14 | 2023-09-01 | 广东省水利水电第三工程局有限公司 | Automatic lofting method, device, storage medium and system |
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