CN106930193B - It sets a roof beam in place simulative construction method using the DJ180 Bridge Erector tunnel face of BIM technology - Google Patents
It sets a roof beam in place simulative construction method using the DJ180 Bridge Erector tunnel face of BIM technology Download PDFInfo
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- E—FIXED CONSTRUCTIONS
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- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
It sets a roof beam in place simulative construction method the invention discloses a kind of DJ180 Bridge Erector tunnel face using BIM technology, is related to tunnel construction technical field；Step includes: (1), models in BIM；(2), construction simulation process；(3), construction optimal case is determined；(4), construction video production；By construction simulation scheme, optimizes integral construction scheme, meet the needs of tunnel face is set a roof beam in place, ensure that the safe and smooth of erecting beam construction.
Description
Technical field
The present invention relates to tunnel construction technical fields, more particularly to one kind.
Background technique
BIM construction technology refers to Building Information Model (Building Information Modeling) or architecture information
Managing (Building Information Management) is using every relevant information data of construction-engineering project as base
Plinth, it is established that three-dimensional buildings model passes through real information possessed by digital information analogue simulation building.It has information
Completeness, information relevance, consistency on messaging, visualization, harmony, simulation, optimization property and it can go out the big feature of figure eight.
DJ180 Bridge Erector is used to set up 40 meters of highway bridge and following span, 32 meters of railway beam and the pre- of following span are answered
Power reinforced beam piece is laid with the 25m railway section of track.The machine category single armed freely-supported type, can set up beam piece maximum span is 40 meters, energy
It realizes full width machinery traverse beam piece, reaches and once fall beam in place, in the same industry, transport assembling simple, light-weight with structure
The high feature of convenience, function admirable, automated procedures.This set Bridge Erector is for setting up the maximum rated elevating capacity of 32m railway beam
Less than or equal to 168t, (partial devices, such as guide beam need to be increased by setting up 40m highway bridge).
DJ180 Bridge Erector is suitable for roadbed length at tunnel face and is not less than 23.5m, but in constructing tunnel, abutment away from
It is shorter with a distance from tunnel face, if directly constructed, it not can guarantee according to normal construction operating condition and meet the needs of tunnel face is set a roof beam in place；And
It can not estimate that collision influences, trouble is caused to construction, increases difficulty of construction, safety and poor operability.
Summary of the invention
It is a kind of using BIM technology the technical problem to be solved by the present invention is in view of the above shortcomings of the prior art, provide
DJ180 Bridge Erector tunnel face is set a roof beam in place simulative construction method, by construction simulation scheme, is optimized integral construction scheme, is met tunnel
The demand that mouth is set a roof beam in place, ensure that the safe and smooth of erecting beam construction.
In order to solve the above technical problems, the technical solution used in the present invention is: step includes:
(1), it is modeled in BIM: establishing three dimensions that can really describe arrangement and method for construction using the Revit software 1:1 in BIM
Word model, including environmental model and construction installation model；
Environmental model is the virtual arrangement place of arrangement and method for construction, preposition and postposition working procedure environmental impact factor；
Construction installation model be arrangement and method for construction use mechanical equipment, template, mold operation facility；
(2), construction simulation process: sequential construction analysis is carried out by the Navisworks software in BIM, carries out construction party
The ratio of case selects and optimization；Including simulation Bridge Erector access tunnel mouth and simulation girder erection by bridging machine process；
(3), it determines construction optimal case: according to the collision detection of construction simulation process, adjusting and determine optimal construction party
Case；
(4), construction video production: the three-dimensional digital model established in step 1 is exported in Navisworks, is passed through
Navisworks software in BIM carries out the video production of construction technology, specifically includes that Bridge Erector access tunnel mouth video production
With the video production of girder erection by bridging machine process.
Preferably, construction installation model includes DJ180 erector model in step (1), its material, weight, life are given
Company-information is produced, can both accomplish m of e, can also have the function that construction simulation；Further include beam car, axis vehicle,
A series of model of auxiliary facilities of upside-down mounting portal frame.
Preferably, to be carried out to Bridge Erector by tunnel face before simulation Bridge Erector access tunnel mouth in step (2) as follows
Prepare:
(1), Bridge Erector transhipment bracket is attached on beam car, packs Bridge Erector using beam car and passes through tunnel；
(2), beam car is run to packing at Bridge Erector；
(3), 0# column is turned up；
(4), 1#, 2#, 3# column receive cylinder to shortest state by falling pick, and horn is fallen on transhipment bracket；
(5), threaded list diatom spacing is determined, cable groove height, wire center height, Bridge Erector cylinder width, Bridge Erector falls
Cylinder highest point makes it all meet Bridge Erector and passes through requirement apart from tunnel inner wall minimum range after low level.
Preferably, in step (4) Bridge Erector access tunnel mouth video production include: during packing with tunnel inner wall
The height of height and each cylinder of access tunnel mouth after headroom, Bridge Erector reduction seat in the plane and position determine.
Preferably, Bridge Erector is DJ180 Bridge Erector.
Preferably, girder erection by bridging machine process is tunnel face erecting beam construction process in step (2), Bridge Erector a part is in tunnel
In road.
Preferably, tunnel face erecting beam construction process are as follows:
(1), 2# beam car transports beam to Bridge Erector horn tail end, and 1# hanging beam overhead crane ties beam, hanging beam；
(2), 1# hanging beam overhead crane and rear beam transportation vehicle advanced in unison, arrive 2# hanging beam overhead crane hanging beam position, 2# hanging beam overhead crane tie beam,
Hanging beam；
(3), 1#, 2# hanging beam overhead crane proceed to the position Luo Liang simultaneously；
(4), beam, while mounting foot bolt are fallen；
(5), by side bar, fall on central sill bearing beam stone, branch support pick is reinforced, by 1#, 2# traveling crane joist steel cord into
Row is lightened restrictions on；
(6), meet to guarantee that Bridge Erector sets up side bar upper height, DJ180 Bridge Erector complete machine is fallen on into low level, because of tunnel
Road two sides cable groove height is low, and the insufficient space when 3# column big foot erection side bar is traversing needs 3# column big foot to be removed, then
It carries out 3# column and falls pick, so that 3# column is reduced to most short height, meet traversing space；
(7), the side bar being put on central sill bearing beam stone is bundled again, side bar is lifted, then carry out complete machine or so cross
It moves, large arm moves beam, and side bar is moved on to position, is supported top pick and reinforces；
(8), 1#, 2# traveling crane joist steel cord are lightened restrictions on, Bridge Erector complete machine is laterally moved to middle position, and Bridge Erector increases
Position carries out the feeding beam work of bottom sheet beam；
(9), next side bar repeats first beam process and carries out operation；
(10), driving off the hook, retrogressing, welding middle gear joint cover；
(11), it encounters this special circumstances to set a roof beam in place, often across that must be set up by both sides to intermediate method, to facilitate side bar
It falls on central sill bearing beam stone, Bridge Erector falls low level, completes side bar cross in place.
The beneficial effects of adopting the technical scheme are that the present invention utilizes BIM mould by construction simulation scheme
Type carries out intuitively showing for full side's interactivity to scheme by virtual reality technology, weighs the reasonability of scheme, provide in 4D void
The method and process of exhibition scheme in quasi- simulated environment.Whether simulation collides, and optimizes integral construction scheme, meets tunnel face
The demand set a roof beam in place ensure that the safe and smooth of erecting beam construction, ensure that completion safe and punctual within the limited time is set a roof beam in place.
By collision detection it can be found which place needs to improve, Design of Construction Organization is on the one hand relied on, on the one hand again
Design of Construction Organization is improved, working efficiency can be improved, reduction is done over again.It on the other hand, can by construction technology demonstration
To have the function that instruct worker, the skilled operation degree of worker is improved, working efficiency is further increased.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural schematic diagram of Bridge Erector access tunnel mouth of the present invention；
Fig. 3 is 1# hanging beam overhead crane bundle beam, hanging beam schematic diagram during girder erection by bridging machine；
Fig. 4 is 2# hanging beam overhead crane bundle beam, hanging beam schematic diagram during girder erection by bridging machine；
Fig. 5 is Bridge Erector via hole and construction method flow chart of the present invention.
In figure: 1,0# column；2,1# column；3,2# column；4,3# column.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in Figs. 1-2, it sets a roof beam in place construction simulation side for a kind of DJ180 Bridge Erector tunnel face using BIM technology of the present invention
One embodiment of method, the roadbed length that this method is suitable for access tunnel mouth are less than 23.5m T erection, limit abutment distance
Tunnel face 3.5m traversing can be aligned without generating collision with tunnel wall when to guarantee to set up side bar, by mobile horn, be determined
Pin joint 2# column position；Construction technology demonstration is carried out using Navisworks production video, guiding construction improves working efficiency；Step
Suddenly include:
(1), it is modeled in BIM: establishing three dimensions that can really describe arrangement and method for construction using the Revit software 1:1 in BIM
Word model, including environmental model and construction installation model；
Environmental model is the virtual arrangement place of arrangement and method for construction, preposition and postposition working procedure environmental impact factor；
Construction installation model be arrangement and method for construction use mechanical equipment, template, mold operation facility；
(2), construction simulation process: sequential construction analysis is carried out by the Navisworks software in BIM, carries out construction party
The ratio of case selects and optimization；Including simulation Bridge Erector access tunnel mouth and simulation girder erection by bridging machine process；
(3), it determines construction optimal case: according to the collision detection of construction simulation process, adjusting and determine optimal construction party
Case；
(4), construction video production: the three-dimensional digital model established in step 1 is exported in Navisworks, is passed through
Navisworks software in BIM carries out the video production of construction technology, specifically includes that Bridge Erector access tunnel mouth video production
With the video production of girder erection by bridging machine process.
Tunnel face is set a roof beam in place upper using BIM technology, can determine position, the height, length of each cylinder by simulating in advance
Deng.Construction risk is significantly reduced, not only ensure that the continuity of erecting beam construction, it is ensured that construction speed；And pass through construction
Simulation improves the cognition degree and proficiency of worker before construction, saves manpower, time to reduce project cost.
Principle: this method BIM technology, with the putting down of threedimensional model, is stood based on 3D mathematical model, cuts open isometric drawing linkage rack
Beam conceptual design, the D CAD positional relationship and field measurement data of integrating traditional, " in the form of What You See Is What You Get, three-dimensional
Scheme thinking become visible three-dimensional real object, real three-dimensional schemes visual analyzing simulated environment is provided.Utilize BIM mould
Type carries out intuitively showing for full side's interactivity to scheme by virtual reality technology, weighs the reasonability of scheme, provide in 4D void
The method and process of exhibition scheme in quasi- simulated environment.
The basis for realizing the 3D visualization and 4D virtual emulation of arrangement and method for construction is to establish really describe the three of arrangement and method for construction
Dimension word model, including environmental model and construction installation model.Wherein, environmental model be arrangement and method for construction virtual arrangement place,
The environmental impact factors such as preposition and postposition working procedure.Construction installation model is the mechanical equipment of arrangement and method for construction use, template, mould
The operations facilities such as tool, are the key that BIM auxiliary construction conceptual designs.According to the construction dynamic logic relationship of model component, pass through
The time task items driving model component of construction way, expresses the virtual construction process of arrangement and method for construction.In early period of constructing to disengaging
Set a roof beam in place each construction process and construction technology of tunnel face is optimized perfect using BIM technology, be ensure that and is pacified within the limited time
Completion on schedule is set a roof beam in place entirely.
If roadbed length is less than 23.5m at tunnel face, need to change the position of 2# column Yu horn pin joint.Firstly, newly-built
One Revit project completes tunnel and roadbed, abutment according to design drawing, the DJ180 that then will be drawn in advance
Erector model imports, and due to 2# column position it has been determined that ensuring that 3# column completely disengages tunnel by mobile horn, is determined with this
The position that horn and 2# pin connect, at this again aperture and with 2# column curved beam pin joint.Finally, saving project and exporting DWF lattice
Formula carries out demonstration operation according to existing tunnel face erecting beam construction technique using Navisworks.
Construction installation model includes DJ180 erector model in step (1), gives the letter such as its material, weight, manufacturer
Breath, can both accomplish m of e, can also have the function that construction simulation；It further include beam car, axis vehicle, upside-down mounting gantry
A series of model of auxiliary facilities of frame.
Bridge Erector is prepared as follows by tunnel face before simulation Bridge Erector access tunnel mouth in step (2):
(1), Bridge Erector transhipment bracket is attached on beam car, packs Bridge Erector using beam car and passes through tunnel；
(2), beam car is run to packing at Bridge Erector；
(3), 0# column is turned up；
(4), 1#, 2#, 3# column receive cylinder to shortest state by falling pick, and horn is fallen on transhipment bracket；
(5), threaded list diatom spacing is determined, cable groove height, wire center height, Bridge Erector cylinder width, Bridge Erector falls
Cylinder highest point makes it all meet Bridge Erector and passes through requirement apart from tunnel inner wall minimum range after low level.
In step (4) Bridge Erector access tunnel mouth video production include: during packing with the headroom of tunnel inner wall, build bridge
The height of height and each cylinder of access tunnel mouth after machine reduction seat in the plane and position determine.
Bridge Erector is DJ180 Bridge Erector.
Girder erection by bridging machine process is tunnel face erecting beam construction process in step (2), and Bridge Erector a part is in tunnel.
As in Figure 3-5, tunnel face erecting beam construction process are as follows:
(1), 2# beam car transports beam to Bridge Erector horn tail end, and 1# hanging beam overhead crane ties beam, hanging beam；
(2), 1# hanging beam overhead crane and rear beam transportation vehicle advanced in unison, arrive 2# hanging beam overhead crane hanging beam position, 2# hanging beam overhead crane tie beam,
Hanging beam；
(3), 1#, 2# hanging beam overhead crane proceed to the position Luo Liang simultaneously；
(4), beam, while mounting foot bolt are fallen；
(5), it by side bar (left and right), falls on central sill (left and right) bearing beam stone, branch support pick is reinforced, by 1#, 2# row
Vehicle hanging beam wirerope is lightened restrictions on；
(6), meet to guarantee that Bridge Erector sets up side bar upper height, DJ180 Bridge Erector complete machine is fallen on into low level.Because of tunnel
Road two sides cable groove height is low, and the insufficient space when 3# column big foot erection side bar is traversing needs to carry out the dismounting of 3# column big foot, then
It carries out 3# column and falls pick, so that 3# column is reduced to most short height, meet traversing space；
(7), the side bar being put on central sill bearing beam stone is bundled again, side bar is lifted, then carry out complete machine or so cross
It moves, large arm moves beam, and side bar is moved on to position, is supported top pick and reinforces；
(8), 1#, 2# traveling crane joist steel cord are lightened restrictions on, Bridge Erector complete machine is laterally moved to middle position, and Bridge Erector increases
Position carries out the feeding beam work of bottom sheet beam；
(9), next side bar repeats first beam process and carries out operation；
(10), driving off the hook, retrogressing, welding middle gear joint cover；
(11), this special circumstances is encountered to set a roof beam in place, often across must be by while in (intermediate to both sides) method set up, with
Side bar is facilitated to fall on central sill bearing beam stone, Bridge Erector falls low level, completes side bar cross in place.
Embodiment 2:
It is identical as 1 scheme of embodiment, specifically
1, to solve to allow Bridge Erector to pass through tunnel problem to be solved is to compress the height of Bridge Erector to make it logical
Scraping collision does not occur for the component of Bridge Erector and tunnel when crossing tunnel, has carried out preparation below by tunnel to Bridge Erector for this:
1), Bridge Erector transhipment bracket is attached on beam car, packs Bridge Erector by tunnel using beam car, beam car is high
1.1 meters, 2.64 meters of bogie height of degree；
2), beam car operation is packed at Bridge Erector, 14.5 meters of front chassis transverse direction load-carrying centre distance Bridge Erector horn front end,
7 meters of rear chassis transverse direction load-carrying centre distance Bridge Erector horn rear end；
3), 0# column is turned up；
4), 1#, 2#, 3# column, which are received, receives cylinder to shortest state by falling pick, and horn is fallen on transhipment bracket, this
When Bridge Erector cylinder, be highly 4.48 meters, cylinder apart from ground level be 1.1 meters；
5), 4.4 meters of threaded list diatom spacing, 1.1 meters of cable groove height；8.5 meters of wire center height, Bridge Erector cylinder width
4.1 meters, cylinder highest point meets Bridge Erector and passes through apart from 0.84 meter of tunnel inner wall minimum range after Bridge Erector lands position.
2, how Bridge Erector 2# column and 3# column complete the erection task of beam piece in tunnel, and Bridge Erector can not be complete in tunnel
It sets a roof beam in place at complete machine is traversing；Therefore it to smoothly complete and carry out erecting beam construction in tunnel face, to Bridge Erector technological transformation and set a roof beam in place
The variation of technique first has to solve the problems, such as one: 1, so that Bridge Erector is laterally moved to beam piece on side bar position；
For this purpose, Bridge Erector needs to carry out following technical matters variation:
2# beam car used by this is constructed is the ZH220 tyre type fortune of Hefei Zheng Hao mechanical equipment Co., Ltd production
Beam vehicle.6.9 meters of front chassis length, 3.3 meters from the front end of rear chassis suspension centre；
1), 2# beam car transports beam to Bridge Erector horn tail end, and 1# hanging beam overhead crane ties beam, hanging beam；
2), 1# hanging beam overhead crane and rear beam transportation vehicle advanced in unison, arrive 2# hanging beam overhead crane hanging beam position, 2# hanging beam overhead crane tie beam,
Hanging beam；
3), 1#, 2# hanging beam overhead crane proceed to the position Luo Liang simultaneously；
4) 3 meters of beam, while mounting foot bolt are fallen, falls beam to apart from bearing beam stone 10cm；
5) it, by side bar (left and right), falls on central sill (left and right) bearing beam stone, branch support pick reinforced, by 1#, 2#
Traveling crane joist steel cord is lightened restrictions on；
6), meet to guarantee that Bridge Erector sets up side bar upper height, DJ180 Bridge Erector complete machine is fallen on into low level.Because of tunnel
Road two sides cable groove height 1.1m, the insufficient space when 3# column big foot erection side bar is traversing, needs to carry out the dismounting of 3# column big foot, so
3# column is carried out afterwards and falls pick, and so that 3# column is reduced to most short height is more than 1.1m, meets traversing space；
7), the side bar being put on central sill bearing beam stone is bundled again, side bar is lifted into 500mm, it is left then to carry out complete machine
Right traversing, large arm moves beam 750mm, and side bar is moved on to position, is supported top pick and reinforces；
8), 1#, 2# row hanging beam wirerope are lightened restrictions on, Bridge Erector complete machine is laterally moved to middle position, and Bridge Erector increases position
Carry out the feeding beam work of bottom sheet beam；
9), the 4th side bar repeats first beam process and carries out operation；
10), driving off the hook, retrogressing, welding middle gear joint cover；
11) this special circumstances, is encountered to set a roof beam in place, often across must be by while in method set up, to facilitate side bar to fall on
On central sill bearing beam stone, Bridge Erector falls low level, completes side bar cross in place.
Embodiment 3:
It is identical as 1 scheme of embodiment
One, in order to guarantee quality:
1, feeding beam, bundle beam, hanging beam
(1), good and sound iron watt is answered when tying beam, both sides iron watt will be to just, and wirerope should be in iron watt centre, and checks that wirerope has
Knot whether is taken without mutually pressure situation.
(2), jack line should keep vertically, must not tiltedly hanging when tying beam, forbid vertical or horizontal in place to strength promotion hook
Jack line is hung, in order to avoid violent swing occurs when lifting, or causes wirerope to slide suddenly and cuts off wirerope, squeezes and hurts beam body.
(3), it before any hanging beam operation, is both needed to examination and hangs once.It, should be first by hoist engine retardation test 2- after having tied beam
3 times, then beam is sling a little, checks wirerope whether there is or not job-hopping, guard beam iron watt that, whether there is or not vibration and situations such as fall off, confirmation is reliable
After can formal operation.
(4), hanging beam traveling or when falling beam, should keep horizontal all around, lateral inclination is not more than 2%, is longitudinally not more than
300mm.The lifting amount for keeping a close eye on four hooks prevents three hoist engines occur by force phenomenon, prevents hanging beam shoulder pole and wirerope
Run-off the straight.
(5), hanging beam hoist engine should keep strokes, uniform force.Prevent occur that hoist engine unbalance loading is excessive and beam body is acutely put
Phenomena such as dynamic.
(6), beam body should keep horizontal at lifting, walking and whereabouts as far as possible.
2, Luo Liang, steady beam
(1), it falls beam and clears up barrier in beam body moving range in time in the process, personnel evacuate in time under bridge, do not allow beam
It falls when upper station someone, and beam body is forbidden personnel current below or stopped when falling.
(2), the adjustment of slight part should be carried out when beam piece is in low level.It, can be by pushing away when left-right deviation
Motivation arm adjusts.When the deviation of front and back, it can be adjusted by alternately dubbing 1#, 2# driving.When offset distance is less than 1m, sternly
Prohibit by moving forward or back 1#, 2# driving simultaneously and adjusts.
(3), it falls Liang Shixian and falls fixing end, then fall movable end, sequence must not be overturned.
(4), fall beam it is in place when, it is desirable that speed is uniform；Beam body is steady.After beam is implemented, should supporting immediately, and carried out with guide chain
Sealing off and covering anchorage can loosen hook after safe on inspection.
(5), the beam body error of perpendicularity is not greater than 3mm in range；Beam-ends should be controlled with the end line error on bearing beam stone
In+1.5cm range, the centerline error on beam body center line (support middle line) and bearing beam stone should be controlled in+1cm range；
Tensioning hole face, dislocation are not more than 1/3 aperture；Movable bearing support changing of the relative positions amount is less than 3mm.
(6), after the completion of steady beam, the wooden support is stamped in time, prevents beam body from tilting；Support usesRound log is certainly
System, length meet the requirements, and support angle controls between 450-600.It is firm that front and back respectively uses 2 100T jack to carry out top beam
Beam body, top beam answer front and back to carry out by several times, must place bed course under jack, 4 fulcrums are set in beam body entirely.Jack is with slightly
Subject to stress, 4 fulcrum stress make every effort to consistent.
Two, in order to guarantee safety, embodiment are as follows:
1, feeding beam, bundle beam, hanging beam
(1), when beam car traveling is to 3# column rear 30m, it is necessary to which whether ramp to stop, debugging braking are effective.
(2), 2 people must be sent to be monitored in beam body two sides when passing in and out 3# column, prevents beam body and any position of Bridge Erector from sending out
It is raw to scratch.
(3), front and back trolley respectively uses the jack of 2 5T that beam piece is fixed on beam car in splayed during fortune beam,
Prevent beam piece from play occurs.
(4), when at beam car traveling to 1 meter of distance 2# column, ramp to stop is carried out, and triangle is accomplished fluently before and after beam car
Wood.
(5), hanging beam rigging and a rope wire-rope safety factor must not be lower than 10 times, other positions must not be lower than 5 times.
(6), playing reuse wirerope must be using grafting, and inserting the length tied cannot be less than 20 times of wirerope diameter, always
Length cannot be less than 300mm.
(7), the length of hanging beam rigging is set according to beam body size, and length is not shaken in beam body lifting with facilitating lanyard
Subject to dynamic.This Bridge Erector sets up 32m beam upside-down mounting portal frame and uses16.2m long wirerope, Bridge Erector useOr 39mm, 23.7 meters of long wirerope.
(8), be not allowed have connector by the wirerope of pulley, so as not to by when block.
(9), it plays rope wirerope and answers marshalling on reel, when releasing wirerope at work, weight is preferably minimized position
When, three circles or more should be retained on reel, are loosened to prevent steel cord ends.
(10), when lifting by crane beam body, vertical beam body center is answered at hanging beam shoulder pole center.
(11), lifting beam must carry out examination and hang --- parking checking when 20cm from the ground:
1), the stability of hoisting machinery；
2), the reliability of brake；
3), the stationarity of weight；
4), the fastness bound；Confirmation can rearward can formal operation.
(12), beam body suspension centre is generally within the scope of forward and backward beam-ends 3m.
(13), it to put in erecting beam construction, when plucking rope, bundle one end using the rope made of hemp is slack rope slowly.
2, Luo Liang, steady beam
(1), the adjustment of cross moving track.Track overall length height difference is not more than 15mm, 1# column orbit centre to 2# column orbit centre
35.9 meters, error 50mm of (center of two tracks of No. two masters), and rail inferior portion must be padded with the different hardwood of thin and thick, pad pier
Position is put uniformly, and 2# column outermost iron pier placement position is away from gear tiny fragments of stone, coal, etc. wall 40cm.
(2), when state of setting a roof beam in place, adjustment 1#, 2# intercolumniation horn level height difference is not more than 100mm.
(3), in Bridge Erector operational process, in addition to operator, absolutely not permission someone rests on Bridge Erector and institute's hanging beam
On piece.
(4), side bar is set up, is reducing friction resistance and the abrasion for reducing crossbeam and curved beam when horn is traversing, it periodically need to be
Beam track smears molybdenum disulfide --- 2# lubricating grease.
(5), guarantee the safety of Bridge Erector, cylinder pin shaft must intert when setting a roof beam in place every time；Curved beam must intert with horn
Pin shaft and fastening locking device.
(6), Bridge Erector is in an inactive state, it is necessary to walk cross girders and 1# column cross moving track with hook connection 1# column；2# column
Walk cross girders and 2# column cross moving track.
(7), stop set a roof beam in place (12 hours or more) when, Bridge Erector minimizes position, and carry out windproof and skidproof work.
(8), various setting up girder must be checked that confirmation can come into operation after meeting requirement before operation,
Forbid operation in spite of illness.The equipment category large special equipment such as crane, Bridge Erector need to carry out special inspection as required, obtain certificate of safety inspection
After can come into operation.
(9), each command signal will be unified, is simple, clear, accurate, forbid to chat and interfere other people to command with intercom.
It (10), should and bridge end face center line vertical in holding beam body and pier when such as finding to stitch less than normal between beam-ends and beam
Under the conditions of longitudinal centre line is consistent, adjusted by following principle:
1), longitudinal bias should distribute deviation to beam body both ends under the conditions of guaranteeing beam body movable end free extension.
2), lateral deviation should meet slit width degree between design requirement and beam piece and meet gear quarrel cover board peace guaranteeing top surface of the beam width
Under the conditions of reload request, distributed to pier center two sides.
3, go out tunnel head across safe practice Construction Attention measure when setting a roof beam in place:
(1), Cortex Phellodendri hole ridge jackshaft head bridge is 24 meters of beams, and 2# column and No. 3 columns are located inside tunnel, because of tunnel top height
Height when Bridge Erector is traversing to set up side bar is unsatisfactory for when operating platform is it is necessary to tear open, and to be disassembled according to construction site,
Meet 2# column traversing distance when side bar is set up.Because the cable groove height of tunnel two sides is unsatisfactory for Bridge Erector 3# column big foot side bar cross
Height when shifting needs the big foot dismantling of 3# column to fall, 3# column carries out the work of falling pick, meets traversing height when carrying out traversing
When, then carry out traversing.
(2), when setting up the 1st, 4 side bar, Bridge Erector plays high-order feeding beam placed in the middle, and first beam is fed between No. 1 column and 2# column,
Then 1#, 2# driving off the hook simultaneously, side bar is fallen on 2# and 3# bearing beam stone, and side bar is supported top pick and reinforces, then 1#
It lightens restrictions on 2# hanging beam wirerope.
(3), Bridge Erector complete machine falls on lowest order, and carries out 3# column and fall pick.Then 2# and 3# bearing beam stone will have been fallen on again
Side bar carries out the binding of hanging beam wirerope, after binding, and branch support pick is withdrawn, and carries out while hooking up, and plays
When the bottom of beam bottom support and bearing beam stone height difference are 200mm, Bridge Erector complete machine carries out traversing and side bar is traversing in place, progress
Beam is fallen, after falling beam and top pick is supported to side bar and is reinforced, then can lighten restrictions on hanging beam wirerope, carry out the frame of bottom sheet beam
If.
Embodiment 4:
It is identical as 1 method of embodiment, the case history of application are as follows:
In newly-built nine scape thoroughfare railway JQJXZQ-4 mark paving frame engineering, this area's science of bridge building amount is larger, and tunnel is more, middle iron
It is set a roof beam in place the experience that do not construct according to tunnel face short distance for six innings, access tunnel mouth operating condition of setting a roof beam in place is carried out using BIM technology and is carried out
Simulation optimizes erecting beam construction method, safe and punctual completes access tunnel in newly-built nine scapes thoroughfare railway JQJXZQ-4 mark paving frame
Mouth is set a roof beam in place.BIM construction technology is for instructing access tunnel mouth erecting beam construction to have received Nanchang Railway Bureau and the consistent favorable comment of owner.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
- The simulative construction method 1. a kind of DJ180 Bridge Erector tunnel face using BIM technology is set a roof beam in place, it is characterised in that: step includes:(1), it is modeled in BIM: establishing the 3-dimensional digital mould that can really describe arrangement and method for construction using the Revit software 1:1 in BIM Type, including environmental model and construction installation model；Environmental model is the virtual arrangement place of arrangement and method for construction, preposition and postposition working procedure environmental impact factor；Construction installation model be arrangement and method for construction use mechanical equipment, template, mold operation facility；(2), construction simulation process: sequential construction analysis is carried out by the Navisworks software in BIM, carries out arrangement and method for construction Than selecting and optimizing；Including simulation Bridge Erector access tunnel mouth and simulation girder erection by bridging machine process；(3), it determines construction optimal case: according to the collision detection of construction simulation process, adjusting and determine optimal construction plan；(4), construction video production: the three-dimensional digital model established in step 1 is exported in Navisworks, by BIM Navisworks software carry out construction technology video production, specifically include that Bridge Erector access tunnel mouth video production and frame The video production of bridge rack beam process.
- The simulative construction method 2. the DJ180 Bridge Erector tunnel face according to claim 1 using BIM technology is set a roof beam in place, it is special Sign is in the step (1) that construction installation model includes DJ180 erector model, gives its material, weight, factory's letter from home Breath, can both accomplish m of e, can also have the function that construction simulation；It further include beam car, axis vehicle, upside-down mounting gantry A series of model of auxiliary facilities of frame.
- The simulative construction method 3. the DJ180 Bridge Erector tunnel face according to claim 1 using BIM technology is set a roof beam in place, it is special Sign is to prepare Bridge Erector as follows by tunnel face before simulation Bridge Erector access tunnel mouth in the step (2):(1), Bridge Erector transhipment bracket is attached on beam car, packs Bridge Erector using beam car and passes through tunnel；(2), beam car is run to packing at Bridge Erector；(3), 0# column is turned up；(4), 1#, 2#, 3# column receive cylinder to shortest state by falling pick, and horn is fallen on transhipment bracket；(5), threaded list diatom spacing is determined, cable groove height, wire center height, Bridge Erector cylinder width, Bridge Erector falls low level Cylinder highest point makes it all meet Bridge Erector and passes through requirement apart from tunnel inner wall minimum range afterwards.
- The simulative construction method 4. the DJ180 Bridge Erector tunnel face according to claim 1 using BIM technology is set a roof beam in place, it is special Sign be in the step (4) Bridge Erector access tunnel mouth video production include: during packing with the headroom of tunnel inner wall, frame The height of height and each cylinder of access tunnel mouth after bridge machine reduction seat in the plane and position determine.
- The simulative construction method 5. the DJ180 Bridge Erector tunnel face according to claim 1 using BIM technology is set a roof beam in place, it is special Sign is that the Bridge Erector is DJ180 Bridge Erector.
- The simulative construction method 6. the DJ180 Bridge Erector tunnel face according to claim 1 using BIM technology is set a roof beam in place, it is special Sign is in the step (2) that girder erection by bridging machine process is tunnel face erecting beam construction process, and Bridge Erector a part is in tunnel.
- The simulative construction method 7. the DJ180 Bridge Erector tunnel face according to claim 6 using BIM technology is set a roof beam in place, it is special Sign is the tunnel face erecting beam construction process are as follows:(1), 2# beam car transports beam to Bridge Erector horn tail end, and 1# hanging beam overhead crane ties beam, hanging beam；(2), 1# hanging beam overhead crane and rear beam transportation vehicle advanced in unison, arrive 2# hanging beam overhead crane hanging beam position, and 2# hanging beam overhead crane bundle beam is hung Beam；(3), 1#, 2# hanging beam overhead crane proceed to the position Luo Liang simultaneously；(4), beam, while mounting foot bolt are fallen；(5), it by side bar, falls on central sill bearing beam stone, branch support pick is reinforced, and 1#, 2# traveling crane joist steel cord are carried out pine It ties up；(6), meet to guarantee that Bridge Erector sets up side bar upper height, DJ180 Bridge Erector complete machine is fallen on into low level, because of tunnel two Side cable groove height is low, when 3# column big foot set up side bar it is traversing when insufficient space, need to carry out the big foot prop of 3# column and remove, then into Row 3# column falls pick, so that 3# column is reduced to most short height, meets traversing space；(7), the side bar being put on central sill bearing beam stone is bundled again, side bar is lifted, then carry out complete machine transverse moving left and right, greatly Arm moves beam, and side bar is moved on to position, is supported top pick and reinforces；(8), 1#, 2# traveling crane joist steel cord are lightened restrictions on, Bridge Erector complete machine is laterally moved to middle position, Bridge Erector increase position into The feeding beam of row bottom sheet beam works；(9), next side bar repeats first beam process and carries out operation；(10), driving off the hook, retrogressing, welding middle gear joint cover；(11), it encounters this special circumstances to set a roof beam in place, often across that must be set up by both sides to intermediate method, to facilitate side bar to fall on On central sill bearing beam stone, Bridge Erector falls low level, completes side bar cross in place.
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| CN107292059A (en) * | 2017-07-28 | 2017-10-24 | 成都智建新业建筑设计咨询有限公司 | A kind of construction method of the terrazzo floor based on BIM |
| CN107679322B (en) * | 2017-09-29 | 2021-02-12 | 中国电建集团贵阳勘测设计研究院有限公司 | Traffic tunnel section and axis setting method |
| CN110554169A (en) * | 2019-10-15 | 2019-12-10 | 西南交通大学 | tunnel excavation process simulation test device and method |
| CN110714416A (en) * | 2019-10-25 | 2020-01-21 | 中国一冶集团有限公司 | BIM-based temporary consolidation construction structure and method for large cantilever bridge body |
| CN114580797B (en) * | 2022-05-09 | 2022-07-29 | 湖南省交通科学研究院有限公司 | Small-radius precast beam erection path planning method based on BIM simulation |
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Effective date of registration: 20181225 Address after: 102300 Wanshou Road, Haidian District, Beijing, No. 2 Applicant after: CHINA RAILWAY SIXTH GROUP Co.,Ltd. Applicant after: CHINA RAILWAY SIXTH GROUP FENGQIAO BRIDGE CO.,LTD. Address before: 100036 Wanshou Road, Haidian District, Beijing, No. 2 Applicant before: CHINA RAILWAY SIXTH GROUP Co.,Ltd. |
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Inventor after: Zhang Xiaojuan Inventor after: Duan Haijun Inventor after: Zhang Liqiang Inventor after: Niu Lufei Inventor after: Zhang Mingming Inventor after: Liu Wei Inventor after: Ding Pengcheng Inventor after: Zhang Longbin Inventor after: Lei Jizhou Inventor after: Zhao Wei Inventor after: Yan Yuhong Inventor after: Hu Zhengyong Inventor after: Xiao Chong Inventor after: Lai Zhonglin Inventor after: Li Shimeng Inventor after: Zhang Yu Inventor after: Wang Yong Inventor after: Lu Jiucheng Inventor before: Yan Yuhong Inventor before: Zhang Liqiang Inventor before: Niu Lufei Inventor before: Zhang Mingming Inventor before: Liu Wei Inventor before: Ding Pengcheng Inventor before: Zhang Longbin Inventor before: Lei Jizhou Inventor before: Zhao Wei Inventor before: Hu Zhengyong Inventor before: Xiao Chong Inventor before: Lai Zhonglin Inventor before: Li Shimeng Inventor before: Zhang Yu Inventor before: Wang Yong Inventor before: Lu Jiucheng Inventor before: Duan Haijun |