CN110055901A - A kind of control method for realizing pushing tow steel tube arch rib closure precision based on BIM technology - Google Patents
A kind of control method for realizing pushing tow steel tube arch rib closure precision based on BIM technology Download PDFInfo
- Publication number
- CN110055901A CN110055901A CN201910404935.9A CN201910404935A CN110055901A CN 110055901 A CN110055901 A CN 110055901A CN 201910404935 A CN201910404935 A CN 201910404935A CN 110055901 A CN110055901 A CN 110055901A
- Authority
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- China
- Prior art keywords
- pushing tow
- steel tube
- arch rib
- tube arch
- closure
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- 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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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
Abstract
The invention belongs to construction of railways technical fields, are related to a kind of control method that pushing tow steel tube arch rib closure precision is realized based on BIM technology.Be related to it is a kind of based on BIM technology realize pushing tow steel tube arch rib closure precision control method using BIM technology by before pushing tow, after pushing tow is in place not yet it is embedding mend closure before and three factors of temperature carry out control to realize pushing tow steel tube arch rib join the two sections of a bridge, etc precision control, the present invention, to skewback embedded steel tube arch rib and pushing tow section steel tube arch rib three-dimensional deviation visual data acquisition and control, becomes using BIM technology and realizes the embedding deciding factor for mending section closure precision of arch rib；And " digitlization " modeling function for using BIM technology powerful, the actual measurement three-dimensional coordinate data provided using survey crew；It is loaded into project tabs, can be realized in the preceding comparing twice of space pushing tow steel tube arch rib closure；Intuitively judged to deviate the accurate location to transfinite using 3D visual function, it is ensured that embedding benefit closure precision meets code requirement.
Description
Technical field
The invention belongs to construction of railways technical fields, and in particular to one kind realizes that pushing tow steel tube arch rib closes based on BIM technology
The control method of imperial precision.
Background technique
High-speed Passenger Dedicated Lines large-span continuous beam-arch belongs to typical beam-arch composite structure.The structure have greatly across
The features such as degree, structure is complicated, and system transform program is more, long construction period.Continuous beam-arch uses the construction method of first beam rear arch,
Construction of continuous beam has been highly developed construction technology；Construction technology process are as follows: preparation of construction → skewback embedded steel tube arch rib
Segment → setting up steel tube arch rib bracket → pours pushing tow basis installation rail → installation pushing tow roller box group, in length and breadth beam, lateral shellfish thunder
Beam group → from the symmetrical segmented installation steel tube arch rib in both ends, installation longitudinal direction Bailey beam, the interim steel strand wires of tensioning → dismounting tubular arch
Rib bracket → installation pushing tow jack, examination push away, and → formal pushing tow → pushing tow is in place → welds embedding benefit closure section → dismounting pushing tow dress
It sets, interim steel strand wires are put and open → pour skewback second stage concrete；Conventionally calculation is carried out for the deviation of closure section in the prior art,
But it is a lack of visuality；When especially needing to take satisfactory after correcting, lacks intuitive visual reference, cannot achieve scheme mould
It is quasi-.
Summary of the invention
Pushing tow steel tube arch rib is realized based on BIM technology in order to solve the above technical problems, the purpose of the present invention is to propose to one kind
The control method for precision of joining the two sections of a bridge, etc.
The present invention adopts the following technical solutions to accomplish the above objectives:
A kind of control method for being realized pushing tow steel tube arch rib closure precision based on BIM technology, control method are passed through using BIM technology
To before pushing tow, after pushing tow is in place not yet before the closure of embedding benefit and three factors of temperature carry out control to realize pushing tow steel tube arch rib
The control for precision of joining the two sections of a bridge, etc, the specific steps of which are as follows:
1) measurement data is collected
Steel tube arch rib is metal material；Is influenced easy steel tube arch rib horizontal displacement and the vertical deflection of causing by temperature gradient effect
Variation；According to the requirement of design drawing, the embedding construction temperature for mending closure section is controlled in 15 DEG C~25 DEG C ranges；In order to preferably anti-
Reflect the influence of temperature factor；Arch rib pushing tow leading edge was measured by survey crew respectively from morning and at dusk daily in 5 days before formal pushing tow
Upper lower chord tube coordinate and absolute altitude, analysis steel tube arch rib determine most reasonable closure opportunity in temperature stress effect bottom offset variation；
2) it models:
Perfect architectural engineering BIM model is established on BIM modeling software, the foundation of BIM modeling software depends on
Revit2016；Establish skewback embedded section steel tube arch rib and pushing tow section steel tube arch rib race respectively using Revit2016；Before modeling, root
According to the construction arch that design drawing provides, this two sections arch is intercepted respectively and is saved respectively；It is then introduced into Revit2016
This two sections of steel tube arch ribs are respectively created out using setting out in metric system conventional model race；Then the measurement provided with survey crew
Data form reference axis in CAD and mark coordinate；Opening project tabs imports CAD reference axis, and in the venue
Basic point and direction point are set, being loaded into race, then successively dragging is aligned to designated position；
3) deviation is picked up:
It is transferred to plan view, the method by extending auxiliary line mark successively marks out plane in Revit2016 tabs
The deviation of position, then it is transferred to pickup height variation value in elevation；It is analyzed according to the data of pickup；According to " highway work
Journey quality inspection and evaluation standard " JTG F80/1-2017 regulation, steel tube arch rib installation: axis deviation≤L/6000, and≤50mm.
Arch rib elevation ± L/3000, and it is no more than ± 50mm；But in order to preferably control steel tube arch rib precision, before pushing tow, data
When deviation is greater than 10mm, that is, need to take effective deviation corrective action；Ensure pushing tow in place and after closure, steel tube arch rib is flat
Face, height variation can further decrease deviation within the scope of code tolerance value, it is ensured that steel tube arch rib wire shaped meets
Design requirement；
4) precision controlling of pushing tow process:
By the real-time observed deviation of BIM model, after deviation is modulated to less than is equal to 10mm, pushing tow, top are carried out to closure section
It pushes away exactly using the rail being laid with, by steel tube arch rib support system below, by the cunning of hydraulic jack driving roller box group
Wheel realizes Forward；The rear support of pushing tow jack is mainly exactly the rail clamping device by being located on rail；Folder rail dress inside rail clamping device
It sets in " toed-in "；When jack oil inlet, pusher holds out against rail clamping device and track, by inertia band rail clamping device forward, pine when oil return
Open holding device；Therefore the roller box group sliding of left and right two must synchronize, and utilize ready-portioned graduated scale control left and right sides in advance
Jacking is formed, it is ensured that pushing tow displacement accuracy；
5) the not yet embedding control mended before the preceding formal pushing tow of closure after pushing tow is in place:
After pushing tow, skewback embedded section steel tube arch rib distance is wait push away a section steel tube arch rib 265m；It is successfully being solved still using BIM technology
Non- pushing tow can three-dimensional visualization accurately intuitively calculate plan-position and height variation, deviation data adjusts in time according to this
Correct the steel rail laying precision of 265m, it is ensured that before pushing tow welds embedding benefit closure section in place and formally, change of error exists before and after pushing tow
Pre-control range, so that it is guaranteed that the embedding construction quality for mending closure section.
The embedding benefit closure section is arranged at each skewback of steel tube arch rib, totally 4 closure sections.
A kind of control method for realizing pushing tow steel tube arch rib closure precision based on BIM technology proposed by the present invention, utilizes BIM
Technology becomes realization arch rib to skewback embedded steel tube arch rib and pushing tow section steel tube arch rib three-dimensional deviation visual data acquisition and control
The embedding deciding factor for mending section closure precision；And " digitlization " modeling function for using BIM technology powerful, it is mentioned using survey crew
The actual measurement three-dimensional coordinate data of confession；It is loaded into project tabs, can be realized in preceding twice numbers of space pushing tow steel tube arch rib closure
According to comparison；Intuitively judged to deviate the accurate location to transfinite using 3D visual function, and then take strong satisfactory after correcting, really
It protects embedding benefit closure precision and meets code requirement.
Specific embodiment
The present invention is illustrated in conjunction with specific embodiments:
A kind of control method for being realized pushing tow steel tube arch rib closure precision based on BIM technology, control method are passed through using BIM technology
To before pushing tow, after pushing tow is in place not yet before the closure of embedding benefit and three factors of temperature carry out control to realize pushing tow steel tube arch rib
The control for precision of joining the two sections of a bridge, etc, the specific steps of which are as follows:
1) measurement data is collected
Steel tube arch rib is metal material.Is influenced easy steel tube arch rib horizontal displacement and the vertical deflection of causing by temperature gradient effect
Variation.According to the requirement of design drawing, the embedding construction temperature for mending closure section is controlled in 15 DEG C~25 DEG C ranges.Due to the positive place that constructs
Hot weather construction, embedding benefit closure section construction should be advisable at 5 points~7 o'clock in the morning.In order to preferably reflect the influence of temperature factor.Just
Lower chord tube coordinate and absolute altitude in arch rib pushing tow leading edge were measured by survey crew respectively from morning and at dusk daily in 5 days before formula pushing tow,
Steel tube arch rib is analyzed in temperature stress effect bottom offset variation, determines most reasonable closure opportunity；Survey crew is close to according to morning
Late two periods adhere to measuring daily.The data being collected into are performed and are compared；It is analyzed and is compared by data, found out under different periods
Changing rule of the temperature to the Influence of Displacement of steel tube arch rib；Table 1 provides skewback embedded section coordinate table of altitude；Table 2 is provided to pushing tow
Section coordinate table of altitude；
Table 1
| Title | Y | X | Z |
| Mouth winds up under left side | 531775.045 | 3668494.195 | 160.278 |
| Left side is suitable for reading to wind up | 531775.509 | 3668495.317 | 161.861 |
| Mouth winds up under right side | 531764.173 | 3668498.78 | 160.263 |
| Right side is suitable for reading to wind up | 531764.629 | 3668499.904 | 161.835 |
Table 2
| Title | Y | X | Z |
| Wind up arch rib in left side | 531672.065 | 3668249.923 | 162.358 |
| Wind up arch rib in left side | 531616.656 | 3668118.418 | 170.028 |
| Wind up arch rib on right side | 531661.208 | 3668254.492 | 162.377 |
| Wind up arch rib on right side | 531605.799 | 3668122.993 | 170.019 |
2) it models:
Perfect architectural engineering BIM model is established on BIM modeling software, the foundation of BIM modeling software depends on
Revit2016；Establish skewback embedded section steel tube arch rib and pushing tow section steel tube arch rib race respectively using Revit2016；Before modeling, root
According to the construction arch that design drawing provides, this two sections arch is intercepted respectively and is saved respectively；It is then introduced into Revit2016
This two sections of steel tube arch ribs are respectively created out using setting out in metric system conventional model race；Then the measurement provided with survey crew
Data form reference axis in CAD and mark coordinate；Opening project tabs imports CAD reference axis, and in the venue
Basic point and direction point are set, being loaded into race, then successively dragging is aligned to designated position；
3) deviation is picked up
It is transferred to plan view, the method by extending auxiliary line mark successively marks out plane in Revit2016 tabs
The deviation of position, then be transferred in elevation and pick up height difference.It is analyzed according to the data of pickup, effective deviation is taken to arrange
It applies；It is provided according to " Road Engineering Quality Checking And Evaluation standard " JTG F80/1-2017, steel tube arch rib installation: axis deviation≤L/
6000, and≤50mm.Arch rib elevation ± L/3000, and it is no more than ± 50mm；But in order to preferably control steel tube arch rib precision,
Before pushing tow, when data deviation is greater than 10mm, that is, need to take effective deviation corrective action；Ensure that pushing tow is in place and joins the two sections of a bridge, etc
Afterwards, steel tube arch rib plane, height variation are within the scope of code tolerance value, and can further decrease deviation, it is ensured that steel pipe
Arc rib alignment shape meets design requirement；Integrally to route outside, there are 10.7mm's for section left side to be pushed away steel tube arch rib in the embodiment
Deviation, there are the deviations of 10.1mm to route inside for right side steel tube arch rib；Wind up height difference 518mm suitable for reading for embedding benefit closure section two sides,
Design height difference 510mm, thus wait push away a section steel tube arch rib wind up it is suitable for reading wind up than skewback embedded section it is suitable for reading high: 518-510=8mm；
4) precision controlling of pushing tow process
Pushing tow is exactly, by steel tube arch rib support system below, to drive roller box by hydraulic jack using the rail being laid with
The pulley of group realizes Forward.The rear support of pushing tow jack is mainly exactly the rail clamping device by being located on rail.Inside rail clamping device
Rail clamping device is in " toed-in ".When jack oil inlet, pusher holds out against rail clamping device and track, by inertia band folder rail forward when oil return
Device unclamps holding device.Therefore the roller box group sliding of left and right two must synchronize, and utilize ready-portioned graduated scale control left and right in advance
The jacking of side is formed, it is ensured that pushing tow displacement accuracy.
) deviation removing measure
Before formal pushing tow, skewback embedded section steel tube arch rib distance is wait push away a section steel tube arch rib 265m.It is successfully being solved using BIM technology
Determined not yet pushing tow can three-dimensional visualization accurately intuitively calculate plan-position and height variation, this compared to being exactly in the past
One great technological break-through.The steel rail laying precision for this timely being adjusted with deviation data to correction 265m, adjusts as follows: flat
Face position deviation is asked on the basis of arch springing embedded section steel tube arch rib, according to deviation and corresponding length according to linear interpolation
The deviation of every 5m out.On the basis of this data, in track foundation top surface snap the line, adjusted by field measurement by artificial partial lateral
Rail is corrected deviation in place by location of rail adjustment.High process control: steel tube arch rib is observed according to preceding 5 days different periods
Elevation is adjusted in place by deformation by tensioning/put lock foot steel strand wires；Ensure that pushing tow in place and formally welds embedding benefit closure section
Before, change of error ensures that the embedding construction quality for mending closure section in pre-control range before and after pushing tow.
Timing, plane deviation is uniformly shared using the similar method for considering camber of method of linear interpolation, by measuring technique
Personnel's snap the line controls rail plane and is laid with precision.High process control is to comprehensively consider continuous beam downwarp factor caused by pushing tow weight suitable
Work as amendment.Amendment, which can be less than 10mm using the measure method for loosening interim presstressed reinforcing steel, deviation, can not have to amendment.This example is inclined
Poor 8mm, there is no need to correct.
Claims (2)
1. a kind of control method for realizing pushing tow steel tube arch rib closure precision based on BIM technology, it is characterised in that: control method is adopted
Passed through with BIM technology to before pushing tow, after pushing tow is in place not yet before the closure of embedding benefit and three factors of temperature carry out control to real
The control of existing pushing tow steel tube arch rib closure precision, the specific steps of which are as follows:
1) measurement data is collected
Steel tube arch rib is metal material；Is influenced easy steel tube arch rib horizontal displacement and the vertical deflection of causing by temperature gradient effect
Variation；According to the requirement of design drawing, the embedding construction temperature for mending closure section is controlled in 15 DEG C~25 DEG C ranges；In order to preferably anti-
Reflect the influence of temperature factor；Arch rib pushing tow leading edge was measured by survey crew respectively from morning and at dusk daily in 5 days before formal pushing tow
Upper lower chord tube coordinate and absolute altitude, analysis steel tube arch rib determine most reasonable closure opportunity in temperature stress effect bottom offset variation；
2) it models:
Perfect architectural engineering BIM model is established on BIM modeling software, the foundation of BIM modeling software depends on
Revit2016；Establish skewback embedded section steel tube arch rib and pushing tow section steel tube arch rib race respectively using Revit2016；Before modeling, root
According to the construction arch that design drawing provides, this two sections arch is intercepted respectively and is saved respectively；It is then introduced into Revit2016
This two sections of steel tube arch ribs are respectively created out using setting out in metric system conventional model race；Then the measurement provided with survey crew
Data form reference axis in CAD and mark coordinate；Opening project tabs imports CAD reference axis, and in the venue
Basic point and direction point are set, being loaded into race, then successively dragging is aligned to designated position；
3) deviation is picked up:
It is transferred to plan view, the method by extending auxiliary line mark successively marks out plane in Revit2016 tabs
The deviation of position, then it is transferred to pickup height variation value in elevation；It is analyzed according to the data of pickup；According to " highway work
Journey quality inspection and evaluation standard " JTG F80/1-2017 regulation, steel tube arch rib installation: axis deviation≤L/6000, and≤50mm.
Arch rib elevation ± L/3000, and it is no more than ± 50mm；But in order to preferably control steel tube arch rib precision, before pushing tow, data
When deviation is greater than 10mm, that is, need to take effective deviation corrective action；Ensure pushing tow in place and after closure, steel tube arch rib is flat
Face, height variation can further decrease deviation within the scope of code tolerance value, it is ensured that steel tube arch rib wire shaped meets
Design requirement；
4) precision controlling of pushing tow process:
By the real-time observed deviation of BIM model, after deviation is modulated to less than is equal to 10mm, pushing tow, top are carried out to closure section
It pushes away exactly using the rail being laid with, by steel tube arch rib support system below, by the cunning of hydraulic jack driving roller box group
Wheel realizes Forward；The rear support of pushing tow jack is mainly exactly the rail clamping device by being located on rail；Folder rail dress inside rail clamping device
It sets in " toed-in "；When jack oil inlet, pusher holds out against rail clamping device and track, by inertia band rail clamping device forward, pine when oil return
Open holding device；Therefore the roller box group sliding of left and right two must synchronize, and utilize ready-portioned graduated scale control left and right sides in advance
Jacking is formed, it is ensured that pushing tow displacement accuracy；
5) the not yet embedding control mended before the preceding formal pushing tow of closure after pushing tow is in place:
After pushing tow, skewback embedded section steel tube arch rib distance is wait push away a section steel tube arch rib 265m；It is successfully being solved still using BIM technology
Non- pushing tow can three-dimensional visualization accurately intuitively calculate plan-position and height variation, deviation data adjusts in time according to this
Correct the steel rail laying precision of 265m, it is ensured that before pushing tow welds embedding benefit closure section in place and formally, change of error exists before and after pushing tow
Pre-control range, so that it is guaranteed that the embedding construction quality for mending closure section.
2. a kind of control method for realizing pushing tow steel tube arch rib closure precision based on BIM technology as described in claim 1, special
Sign is: the embedding benefit closure section is arranged at each skewback of steel tube arch rib, totally 4 closure sections.
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Cited By (1)
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| CN110725212A (en) * | 2019-10-24 | 2020-01-24 | 广西路桥工程集团有限公司 | Method for determining target pile number and target elevation of steel pipe arch rib installation control point |
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