CN110438905A - A kind of construction installation method of aluminum alloy pedestrian bridge - Google Patents
A kind of construction installation method of aluminum alloy pedestrian bridge Download PDFInfo
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- CN110438905A CN110438905A CN201910760977.6A CN201910760977A CN110438905A CN 110438905 A CN110438905 A CN 110438905A CN 201910760977 A CN201910760977 A CN 201910760977A CN 110438905 A CN110438905 A CN 110438905A
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- aluminum alloy
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- pedestrian bridge
- lifting
- alloy pedestrian
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- 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
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Abstract
The invention discloses a kind of construction installation methods of aluminum alloy pedestrian bridge, comprising the following steps: Modeling and Design carries out Modeling and Design to the component of aluminum alloy pedestrian bridge and whole bridge using BIM software；Component processing completes aluminium alloy element by manufacturing procedure, and works out mark two dimensional code to each component；Preassembling builds assembled mould, and preassembling completes aluminum alloy pedestrian bridge on assembled mould；Disassembled for transport dismantles the aluminum alloy pedestrian bridge of preassembling, and then packed and transported to overline bridge installs ground；On-site consolidation carries out component assembly at installation ground scene, finally assembled to complete aluminum alloy pedestrian bridge；Lifting is set up, and by crane by lifting process integral lifting aluminum alloy pedestrian bridge, both ends are placed in end of the bridge pedestal and fixation, complete the installation of aluminum alloy pedestrian bridge.The completion overline bridge that the construction installation method of this kind of aluminum alloy pedestrian bridge is simple and fast is assembled, and guarantees that assembly is accurate, while assembled mould can reuse, save the cost.
Description
Technical field
The present invention relates to aluminium alloy assembling technique field more particularly to a kind of construction installation sides of aluminum alloy pedestrian bridge
Method.
Background technique
The advantages such as aluminium alloy has anti-corrosive properties strong, long service life, and maintenance cost is low, are widely used in construction engineering
On, including the assembly of aluminum alloy pedestrian bridge, existing aluminum alloy pedestrian bridge assembly process is easy to appear assembled inaccurate
Really, assembling members situation easy to damage, the component scrapped increase construction cost, and are delayed assembled carry out.
Therefore, how to make aluminum alloy pedestrian bridge assembly rapid and convenient and precisely, ensure the same of assembled one-time success rate
When reduce assembling members spoilage be those skilled in the art's technical issues that need to address.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of construction installation methods of aluminum alloy pedestrian bridge, solve existing
There is in technology the problem of once assembled success rate is low for overline bridge, assembled low efficiency.
In order to solve the above technical problems, one technical scheme adopted by the invention is that providing a kind of aluminum alloy pedestrian bridge
Construct installation method, comprising the following steps:
Modeling and Design carries out 1:1 modeling to the component of the aluminum alloy pedestrian bridge and whole bridge using BIM software and sets
Meter, and mechanical analysis and crash analysis are carried out, determine overall structure.
Component processing, by sawing, drilling, milling and welding sequence, completes the process all aluminium alloy elements, and to each
A component works out corresponding mark two dimensional code.
Preassembling builds assembled mould, on the assembled mould by the aluminium alloy element according to assembled process one by one
Preassembling is carried out, the aluminum alloy pedestrian bridge is completed in assembly.
Disassembled for transport, then by each component removal of the aluminum alloy pedestrian bridge Jing Guo preassembling, then packaging is transported
It is defeated to install ground to overline bridge.
On-site consolidation, according to identical method in the preassembling step, installation ground scene carry out component assembly, most
It is assembled eventually to complete the aluminum alloy pedestrian bridge.
Lifting is set up, then by crane by aluminum alloy pedestrian bridge described in lifting process integral lifting, both ends are placed in end of the bridge
The installation on the spot of the aluminum alloy pedestrian bridge is completed in pedestal and fixation.
In another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention, the assembly mould includes assembly
Platform and assembling support, the platform for lining include substrate disposed in parallel, are provided perpendicular between the substrate described
The connecting plate of substrate, the assembling support include pedestal and the support base perpendicular to the pedestal, are set on the support base
It is equipped with adjustment seat moving up and down, the pedestal is uniformly arranged on the substrate.
In another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention, offered on the support base perpendicular
To the first fixation hole of strip, offer the second fixation hole being vertically arranged in the adjustment seat, first fixation hole and
Second fixation hole position is corresponding and is bolted.
In another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention, branch is provided in the adjustment seat
Support the supporting table of the aluminum alloy pedestrian bridge.
In another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention, the end of the connecting plate is arranged
There is interconnecting piece, multiple connecting plates are connected in turn by the interconnecting piece, when increasing the connecting plate quantity, the assembly
The width of mould increases, and when reducing the connecting plate quantity, the width of the assembly mould reduces.
In another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention, the assembly process includes.
Measurement and positioning measures and determines the reference line and center line in assembled place, is positioning with the center of the reference line
Point is successively disposed to extend the platform for lining centered on the anchor point to two sides.
Lower boom is set, whether detection lower boom is qualified, the qualified lower boom is arranged on the assembling support,
The lower boom is corresponding with the substrate-parallel and position, the lower boom is first arranged at the anchor point, then along institute
It states platform for lining and is successively disposed to extend the lower boom to two sides.
Web member is set, vertical web member is set on the lower boom, the web member first is set in the anchor point, then
The web member successively is disposed to extend to two sides along the platform for lining.
Top boom is set, is arranging top boom being located above the ipsilateral web member, first described in the anchor point setting
Top boom is successively disposed to extend the top boom to two sides then along the platform for lining.
Integrated deck plate is assembled, it is whole after the completion to check pontic, check the geometric dimension of verification pontic.
In another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention, in the sawing, drilling, milling
Include in welding sequence,
Scribing line sawing, crosses to the aluminium alloy element by face plate, is then closed by sawing machine to the aluminium
Golden component is cut.
Drill milling, and the aluminium alloy element clamping is fixed on drilling machine, and verification verifies the aluminium alloy element
Bore position first carries out test drilling, is just being bored again after check borehole is qualified.
Welded unit first detects the temperature and humidity of welding surroundings, to the aluminium alloy element after temperature and humidity is qualified
It is welded.
In another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention, the mark two dimensional code establishment packet
It includes and the technical data of the aluminium alloy element is first organized into the bill of materials, then by the information input two dimension of the bill of materials
Code editing machine, the two dimensional code editing machine generate corresponding two dimensional code, and the corresponding two dimensional code generated is printed to be formed
Two dimensional code is identified, each mark two dimensional code is independent and corresponding is fixed on the aluminium alloy element.
In another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention, the lifting process includes,
Loop wheel machine is selected, using hydraulic crane as loop wheel machine.
Suspender is selected, is lifted using the soft band of lifting and wirerope, the soft band of lifting is arranged in the two of the overline bridge
Side.
Commissioning device debugs hanging device, and checks each equipment.
The soft suspender belt, is arranged in the symmetric position of the overline bridge, recycles the loop wheel machine by institute by overline bridge lifting
Overline bridge is stated to be lifted on the end of the bridge pedestal.
Ladder access lifting lifts two ladder accesses of overline bridge respectively to the two of the overline bridge using the wirerope and loop wheel machine
Side, and the ladder access and overline bridge are fixed.
In another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention, the lifting process further include
Assembled scene position to end of the bridge pedestal and calibrating and positioning line, using total station by the center line of the overline bridge on road
Projection line paint mark, when lifting, which adjusts the overline bridge, is directed at it with the position line, and slowly loosens suspension hook.
The beneficial effects of the present invention are: the invention discloses a kind of construction installation methods of aluminum alloy pedestrian bridge, including
Following steps: Modeling and Design carries out 1:1 Modeling and Design to the component of aluminum alloy pedestrian bridge and whole bridge using BIM software,
Determine overall structure；Component processing, by sawing, drilling, milling and welding sequence, completes the process aluminium alloy element, and to every
One component establishment mark two dimensional code；Preassembling builds assembled mould, aluminium alloy element is carried out assembly one by one, in assembled tire
Preassembling completes aluminum alloy pedestrian bridge on tool；Disassembled for transport, then by each structure of the aluminum alloy pedestrian bridge Jing Guo preassembling
Part disassembly, then packed and transported to overline bridge installs ground；On-site consolidation carries out component assembly at installation ground scene, final assembled complete
At aluminum alloy pedestrian bridge；Lifting is set up, then by crane by lifting process integral lifting aluminum alloy pedestrian bridge, both ends are placed in
The installation of aluminum alloy pedestrian bridge is completed in end of the bridge pedestal and fixation.The construction installation method of this kind of aluminum alloy pedestrian bridge is simple
It is assembled efficiently to complete overline bridge, and guarantees that assembly is accurate, while assembled mould can reuse, save the cost.
Detailed description of the invention
Fig. 1 shows the flow chart of construction one embodiment of installation method of aluminum alloy pedestrian bridge of the present invention；
Fig. 2 is assembled mould top view in another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention；
Fig. 3 is assembling support front view in another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention；
Fig. 4 is assembling support side view in another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention；
Fig. 5 is connecting plate connection schematic diagram in another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention；
Fig. 6 is overline bridge assembling schematic diagram in another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention.
Specific embodiment
To facilitate the understanding of the present invention, in the following with reference to the drawings and specific embodiments, the present invention will be described in more detail.
A better embodiment of the invention is given in the attached drawing.But the invention can be realized in many different forms, and unlimited
In this specification described embodiment.On the contrary, purpose of providing these embodiments is makes to the disclosure
Understand more thorough and comprehensive.
It should be noted that unless otherwise defined, all technical and scientific terms used in this specification with belong to
The normally understood meaning of those skilled in the art of the invention is identical.Used term in the description of the invention
It is the purpose in order to describe specific embodiment, is not intended to the limitation present invention.Term "and/or" packet used in this specification
Include any and all combinations of one or more related listed items.
Fig. 1 shows the flow chart of construction one embodiment of installation method of aluminum alloy pedestrian bridge of the present invention, such as Fig. 1 institute
Show, the construction installation method of the aluminum alloy pedestrian bridge the following steps are included:
Modeling and Design S01 carries out 1:1 to the component of the aluminum alloy pedestrian bridge and whole bridge using BIM software and builds
Mould design, and mechanical analysis and crash analysis are carried out, determine overall structure.
Component processes S02 and completes the process all aluminium alloy elements by sawing, drilling, milling and welding sequence, and right
Each component works out corresponding mark two dimensional code.
Preassembling S03 builds assembled mould, on the assembled mould by the aluminium alloy element according to assembled process by
One carries out preassembling, and the aluminum alloy pedestrian bridge is completed in assembly.
Disassembled for transport S04, then by each component removal of the aluminum alloy pedestrian bridge Jing Guo preassembling, then pack
Transport overline bridge installation ground.
On-site consolidation S05, according to identical method in the preassembling step, installation ground scene carry out component spelling
Dress, the final assembled completion aluminum alloy pedestrian bridge.
Lifting sets up S06, then by crane by aluminum alloy pedestrian bridge described in lifting process integral lifting, both ends are placed in bridge
Head pedestal and fixation, complete the installation on the spot of the aluminum alloy pedestrian bridge.
Preferably, Fig. 2 is that assembled mould is bowed in another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention
View, Fig. 3 are assembling support front views in another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention, and Fig. 4 is
Assembling support side view in another embodiment of construction installation method of aluminum alloy pedestrian bridge of the present invention, Fig. 5 are that aluminium of the present invention closes
Connecting plate connection schematic diagram in another embodiment of construction installation method of golden overpass, Fig. 6 are aluminium alloy people row days of the present invention
Overline bridge assembling schematic diagram in another embodiment of construction installation method of bridge, in conjunction with Fig. 2 to Fig. 6, assembled mould includes platform for lining 1
With assembling support 2, the platform for lining 1 includes substrate 11 disposed in parallel, is provided perpendicular to institute between the substrate 11
The connecting plate 12 of substrate 11 is stated, the assembling support 2 includes pedestal 21 and the support base 22 perpendicular to the pedestal 21, in institute
It states and is provided with adjustment seat 23 moving up and down on support base 22, the pedestal 21 is uniformly arranged on the substrate 11.
The first fixation hole 221 of vertical strip is offered on the support base 22, is offered in the adjustment seat 23
The second fixation hole 231 being vertically arranged, first fixation hole 221 and 231 position of the second fixation hole are corresponding and solid by bolt
Fixed, specifically, the first fixation hole and the second fixation hole have difference in height, when moving up the adjustment seat 23, the difference in height increases,
When moving down the adjustment seat 23, the difference in height reduces, and the branch of support aluminum alloy pedestrian bridge is provided in the adjustment seat 23
Support platform 24.It, can be when adjustment seat be moved up and down relative to support base by opening up the first fixation hole 221 and the second fixation hole 231
Adjustment seat is mutually fixed with support base by bolt, completes the adjusting of assembled mould height.
Preferably, multiple second fixation holes 231 are vertically provided on 23 side wall of adjustment seat.
Preferably, the end of the connecting plate 12 is provided with interconnecting piece 13, by the interconnecting piece 13 by multiple connecting plates
12 are connected in turn, and when increasing 12 quantity of connecting plate, the width of the assembly mould increases, when the reduction connecting plate
The width of 12 quantity, the assembly mould reduces.
It is further preferred that the interconnecting piece 13 includes L-type welding piece 131, the fitting of L-type welding piece 131 is fixed on
The end of the free end of the connecting plate 12 is used to fix two adjacent connecting plates 12, can fold by welding the interconnecting piece
Add the quantity of connecting plate 12, then welded the width for increasing the substrate 11, and then the broadening assembled mould, to adapt to not
Overline bridge with width is assembled.
It is further preferred that the substrate 11 is cross bar 111 disposed in parallel, it is divided into interval and two groups of bases disposed in parallel
Plate 11, every group substrate 11 have two cross bars 111, and connecting plate 12 be the vertical bar 121 being vertically arranged, and vertical bar 121 and cross bar 111
It is vertically connected, it is preferred that vertical bar and cross bar integrally connected are provided with the company for connecting adjacent vertical bar 121 in the end of vertical bar
Socket part 13 can be added the vertical bar 121 that two ends have interconnecting piece 13 between vertical bar 121, be come between broadening substrate 11 with this
Width achievees the purpose that assembled bigger width overline bridge.
It is further preferred that it is provided with support base 22 on every cross bar 111, specifically, cross bar is integrated with support base,
Support base side has been bolted adjustment seat, is provided with supporting table 24 above adjustment seat.
It is further preferred that the first fixation hole and the second fixation hole link position can be welded, make its secure bond
It is stronger.
It is further preferred that pad sets the lumps of wood below platform for lining, the damage of platform for lining is avoided.
By be arranged the assembly mould make overline bridge it is assembled quick and precisely, and assembled mould is reusable, can also lead to
It overregulates to adapt to the overline bridge of different length and width.
Preferably, the assembled process includes measurement and positioning, measures and determine the reference line and center line in assembled place,
Using the center of the reference line as anchor point, the platform for lining is successively disposed to extend to two sides centered on the anchor point.
Lower boom X1 is set, detects whether the lower boom is qualified, the qualified lower boom is arranged in the assembly
On bracket, the lower boom is corresponding with the substrate-parallel and position, the lower boom is first arranged at the anchor point, then
The lower boom successively is disposed to extend to two sides along the platform for lining.
Lower boom strut X2 is set, detects whether the lower boom strut is qualified, by the qualified lower boom strut cloth
Set between the lower boom, the lower boom strut be first set at the anchor point, then along the platform for lining according to
It is secondary to be disposed to extend the lower boom strut to two sides, specifically, lower boom strut is arranged between opposed lower boom, and with
Lower boom is vertical, enhances connectivity robustness.
Web member X3 is set, vertical web member is set on the lower boom, the web member first is set in the anchor point, so
The web member successively is disposed to extend to two sides along the platform for lining afterwards.The setting of web member plays the work of overline bridge vertical supporting
With.
Web member strut X4 is set, is provided with web member between the adjacent web member parallel with the connecting plate extending direction
Strut, the web member strut is first arranged in the anchor point with the setting of the web member, then as the web member along institute
Platform for lining is stated successively to be disposed to extend and arrange to two sides.The lateral connection that the setting of web member strut strengthens between web member is secured
Property, also strengthen the lateral firmness of overline bridge.
Top boom X5 is set, arranges top boom being located above the ipsilateral web member, institute first is set in the anchor point
Top boom is stated, is successively disposed to extend the top boom to two sides then along the platform for lining.
Top boom strut is set, the top boom vertical with the top boom is arranged between the top boom of opposition setting
Strut is first arranged the top boom strut in the anchor point, is successively disposed to extend to two sides then along the platform for lining
The top boom strut.
Diagonal web member X6 is set, diagonal web member is being set between the ipsilateral web member, institute first is set in the anchor point
Diagonal web member is stated, successively the diagonal web member is disposed to extend to two sides then along the platform for lining, specifically, in an embodiment
In, diagonal web member is inclined to be arranged between two ipsilateral and adjacent web members, and the upper end of diagonal web member connects the upper of a web member
End, the lower end of diagonal web member connects the lower end of another adjacent web members, and diagonal web member is divided into a left side by symmetric points of anchor point
Right two sides setting, the diagonal web member of the left and right sides symmetrically tilt, and such setting strengthens the resistance to bending between web member, improve overline bridge carrying
Power.In another embodiment, the two sides of same root web member are provided with diagonal web member, and this two diagonal web members are that symmetrical inclination is set
It sets.
Integrated deck plate is assembled, it is whole after the completion to check pontic, check the geometric dimension of verification pontic.Preferably, it is spelling
During dress, the aluminium alloy element of deformation can be corrected by rubber hammer or greenhide hammer.
Overline bridge once assembled success rate can be greatly promoted by the process, component damage is reduced, improves splicing accuracy.
It preferably, include scribing line sawing in the sawing, drilling, milling and welding sequence, by face plate to institute
It states aluminium alloy element to cross, then the aluminium alloy element is cut by sawing machine.Specifically, by aluminium alloy element
It is placed on face plate and is crossed for the first time with pencil, then check whether component scribing line is qualified, and whether scribing line standardizes, and has
Without offset, formally crossed with drawing needle after confirmation, reviewed again after formal scribing line it is errorless after enter next procedure, draw
Line tolerance is ± 0.5mm, and sawing machine blanking tolerance is ± 1.0mm, datum error ± 0.5mm.
Drill milling, and the aluminium alloy element clamping is fixed on drilling machine, and verification verifies the aluminium alloy element
Bore position first carries out test drilling, is just being bored again after check borehole is qualified.Specifically, to guarantee in clamping aluminium alloy element
The X-axis and Y-axis of component will be consistent with the X-axis and Y-axis of the direction of motion on drilling machine, while be checked with dial gauge, be put down
Row degree position of related features will guarantee in ± 0.3mm, require to carry out test drilling, inspection according to the size of design drawing before formal drilling
Look into it is errorless after formally drilled again, carry out subsequent structure again after wanting compound inspection to meet the requirements after first component drilling processing
The processing of part drills.
Welded unit first detects the temperature and humidity of welding surroundings, to the aluminium alloy element after temperature and humidity is qualified
It is welded.Specifically, professional aluminium pulse gas-shielded welder is selected to carry out the welding at node, the temperature of welding surroundings is wanted
At 5 DEG C or more, MI G weldering humidity is less than 65%, TI G weldering humidity and is less than 70%.When the thickness of component is greater than or equal to 8mm
When, welding will be preheated first, and between 80 DEG C~120 DEG C, interlayer temperature is controlled at 60 DEG C~100 DEG C preheating temperature.Component cannot
It is placed directly on steel tooling or bottom plate, steel can not be directlyed adopt or copper is the container storage of material.
Improve aluminium alloy element qualification rate by above-mentioned manufacturing procedure, reduce component total Return Ratio, accelerate it is assembled into
Row, improves assembled efficiency.
Preferably, the mark two dimensional code establishment is clear including the technical data of the aluminium alloy element is first organized into material
Single, then by the information input two dimensional code editing machine of the bill of materials, the two dimensional code editing machine generates corresponding two dimensional code,
It prints the corresponding two dimensional code generated to form mark two dimensional code, each mark two dimensional code is independent and corresponding solid
It is scheduled on the aluminium alloy element.
Specifically, the corresponding bill of materials is as shown in the table by taking the upper chord member of overline bridge as an example:
Above- mentioned information are inputted into two dimensional code editing machine and generate two dimensional code corresponding with corresponding component, print the two dimensional code
It is attached on corresponding component, the essential information that the later period inquires the component need to only use mobile phone to scan the two-dimensional code, side
Just quick.
Preferably, the lifting process includes loop wheel machine being selected, using hydraulic crane as loop wheel machine.
Suspender is selected, is lifted using the soft band of lifting and wirerope, the soft band of lifting is arranged in the two of the overline bridge
Side.Specifically, suspension centre is symmetrically and evenly arranged, convenient for the balance and stability of lifting, suspension centre is uniformly arranged on overline bridge side, amounts to
8, the lifting specified lifting maximum weight in segment is 39.325t (30.25.*1.3), then the every soft band stress point of lifting is
4.916t (39.325t/8) lifts soft band using 8 10 tons of 12m and is lifted, and is 56 ° with horizontal sextant angle, according to the soft band of lifting
Each suspension centre stress is equal, is that 4.916t (39.325t/8) is calculated, it is as follows to lift soft band force analysis:
According to equilibrium principle: establishing equation Σ Fy=0 in rectangular coordinate system
G=Ly=4.916x103x9.8=46.1825x103N
L drawing=Ly/s i n56 °=48.1768x103/0.656=73.44x103N (lifting soft tensile force of belt)
The force analysis of wirerope:
Overline bridge is considered as rigid body, the suspension centre of rigid body be it is symmetrical, every self weight received is (8.45/4) 2.113t, steel wire
Rope is with horizontal sextant angle by 60 ° of calculating:
According to equilibrium principle: establishing equation Σ Fy=0 in rectangular coordinate system
G=Ly=2.113x103x9.8=20.708x103N
The choosing of L drawing=Ly/s i n60 °=20.708x103/0.866=23.912x103N (lineoutofservice signal pull) wirerope
It selects:
Wirerope allows pulling force [Fg]=Δ Fg/K
Δ-conversion coefficient (6x37 steel cord structure, take Δ=0.82)
Fg- breaking force of rope
The safety coefficient of K- wirerope takes 10 (taking safety coefficient as hoist cable is 8~10)
Fg=23.912x103x10/0.82=291.61KN
According to breaking force of rope, choosing main lifting rope is Φ 21.5mm, Nominal Tensile 1850Mpa.
Commissioning device debugs hanging device, and checks each equipment.
The soft suspender belt, is arranged in the symmetric position of the overline bridge, recycles the loop wheel machine by institute by overline bridge lifting
Overline bridge is stated to be lifted on the end of the bridge pedestal.
Preferably, the road surface of road is protected before lifting, pad sets four pieces of 16* below the supporting leg of loop wheel machine
The steel plate of 2500*3000.
Ladder access lifting lifts two ladder accesses of overline bridge respectively to the two of the overline bridge using the wirerope and loop wheel machine
Side, and the ladder access and overline bridge are fixed.
Preferably, the lifting process further includes position simultaneously calibrating and positioning line to end of the bridge pedestal at assembled scene, is adopted
With total station by projection line of the center line of the overline bridge on road paint mark, when lifting adjust the overline bridge make its with
The position line alignment, and slowly loosen suspension hook.
Based on above embodiments, the invention discloses a kind of construction installation method of aluminum alloy pedestrian bridge, including it is following
Step: Modeling and Design carries out 1:1 Modeling and Design to the component of aluminum alloy pedestrian bridge and whole bridge using BIM software, determines
Overall structure；Component processing, by sawing, drilling, milling and welding sequence, completes the process aluminium alloy element, and to each
Component establishment mark two dimensional code；Preassembling builds assembled mould, aluminium alloy element is carried out assembly one by one, on assembled mould
Preassembling completes aluminum alloy pedestrian bridge；Disassembled for transport, then each component of the aluminum alloy pedestrian bridge Jing Guo preassembling is torn open
It unloads, then packed and transported to overline bridge installs ground；On-site consolidation carries out component assembly at installation ground scene, finally assembled to complete aluminium
Alloy overpass；Lifting is set up, then by crane by lifting process integral lifting aluminum alloy pedestrian bridge, both ends are placed in end of the bridge
The installation of aluminum alloy pedestrian bridge is completed in pedestal and fixation.The construction installation method of this kind of aluminum alloy pedestrian bridge is simple and fast
Completion overline bridge it is assembled, and guarantee assembled accurate, while assembled mould can reuse, save the cost.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure transformation made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant technical fields,
Similarly it is included within the scope of the present invention.
Claims (10)
1. a kind of construction installation method of aluminum alloy pedestrian bridge, which comprises the following steps:
Modeling and Design carries out 1:1 Modeling and Design to the component of the aluminum alloy pedestrian bridge and whole bridge using BIM software,
And mechanical analysis and crash analysis are carried out, determine overall structure；
Component processing, by sawing, drilling, milling and welding sequence, completes the process all aluminium alloy elements, and to each structure
Part works out corresponding mark two dimensional code；
Preassembling builds assembled mould, carries out the aluminium alloy element one by one according to assembled process on the assembled mould
The aluminum alloy pedestrian bridge is completed in preassembling, assembly；
Disassembled for transport, then by each component removal of the aluminum alloy pedestrian bridge Jing Guo preassembling, then packed and transported is arrived
Overline bridge installation ground；
On-site consolidation is finally spelled according to identical method in the preassembling step in installation ground scene progress component assembly
Install into the aluminum alloy pedestrian bridge；
Lifting is set up, then by crane by aluminum alloy pedestrian bridge described in lifting process integral lifting, both ends are placed in end of the bridge pedestal
And it is fixed, complete the installation on the spot of the aluminum alloy pedestrian bridge.
2. the construction installation method of aluminum alloy pedestrian bridge according to claim 1, which is characterized in that the assembly mould
Including platform for lining and assembling support, the platform for lining includes substrate disposed in parallel, is provided between the substrate vertical
Directly in the connecting plate of the substrate, the assembling support includes pedestal and the support base perpendicular to the pedestal, in the branch
It is provided with adjustment seat moving up and down on support seat, the pedestal is uniformly arranged on the substrate.
3. the construction installation method of aluminum alloy pedestrian bridge according to claim 2, which is characterized in that on the support base
The first fixation hole of vertical strip is offered, offers the second fixation hole being vertically arranged in the adjustment seat, described first
Fixation hole and the second fixation hole position are corresponding and are bolted.
4. the construction installation method of aluminum alloy pedestrian bridge according to claim 3, which is characterized in that in the adjustment seat
It is provided with the supporting table for supporting the aluminum alloy pedestrian bridge.
5. the construction installation method of aluminum alloy pedestrian bridge according to claim 2, which is characterized in that the connecting plate
End is provided with interconnecting piece, and multiple connecting plates are connected in turn by the interconnecting piece, when increasing the connecting plate quantity,
The width of the assembly mould increases, and when reducing the connecting plate quantity, the width of the assembly mould reduces.
6. the construction installation method of aluminum alloy pedestrian bridge according to claim 5, which is characterized in that the assembly process
Including；
Measurement and positioning measures and determines the reference line and center line in assembled place, using the center of the reference line as anchor point, with
The platform for lining is successively disposed to extend centered on the anchor point to two sides；
Lower boom is set, and whether detection lower boom is qualified, and the qualified lower boom is arranged on the assembling support, described
Lower boom is corresponding with the substrate-parallel and position, the lower boom is first arranged at the anchor point, then along the spelling
Assembling platform is successively disposed to extend the lower boom to two sides；
Web member is set, vertical web member is set on the lower boom, the web member first is set in the anchor point, then along
The platform for lining is successively disposed to extend the web member to two sides；
Top boom is set, is arranging top boom being located above the ipsilateral web member, is first winded up described in the anchor point setting
Bar is successively disposed to extend the top boom to two sides then along the platform for lining；
Integrated deck plate is assembled, it is whole after the completion to check pontic, check the geometric dimension of verification pontic.
7. the construction installation method of aluminum alloy pedestrian bridge according to claim 6, which is characterized in that the sawing,
Include in drilling, milling and welding sequence,
Scribing line sawing, crosses to the aluminium alloy element by face plate, then by sawing machine to the aluminium alloy structure
Part is cut；
Drill milling, and the aluminium alloy element clamping is fixed on drilling machine, and verification verifies the drilling of the aluminium alloy element
Position first carries out test drilling, is just being bored again after check borehole is qualified；
Welded unit first detects the temperature and humidity of welding surroundings, carries out after temperature and humidity is qualified to the aluminium alloy element
Welding.
8. the construction installation method of aluminum alloy pedestrian bridge according to claim 7, which is characterized in that the mark two dimension
Code establishment includes that the technical data of the aluminium alloy element is first organized into the bill of materials, then by the information of the bill of materials
Two dimensional code editing machine is inputted, the two dimensional code editing machine generates corresponding two dimensional code, and the corresponding two dimensional code generated is printed
Mark two dimensional code is formed out, and each mark two dimensional code is independent and corresponding is fixed on the aluminium alloy element.
9. the construction installation method of aluminum alloy pedestrian bridge according to claim 8, which is characterized in that the lifting process
Including,
Loop wheel machine is selected, using hydraulic crane as loop wheel machine；
Suspender is selected, is lifted using the soft band of lifting and wirerope, the two sides of the overline bridge are arranged in the soft band of lifting；
Commissioning device debugs hanging device, and checks each equipment；
The soft suspender belt, is arranged in the symmetric position of the overline bridge, recycles the loop wheel machine by the day by overline bridge lifting
Bridge crane is attached on the end of the bridge pedestal；
Ladder access lifting lifts two ladder accesses of overline bridge respectively to the two sides of the overline bridge using the wirerope and loop wheel machine, and
The ladder access and overline bridge are fixed.
10. the construction installation method of aluminum alloy pedestrian bridge according to claim 9, which is characterized in that the lifting stream
Journey further includes position to end of the bridge pedestal and calibrating and positioning line at assembled scene, using total station by the center line of the overline bridge
Projection line on road paint mark, when lifting, which adjusts the overline bridge, is directed at it with the position line, and slowly loosens
Suspension hook.
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