CN110093862A - Vertically and horizontally assembled three working face Bridge Erectors and bent cap can be achieved without sidewalk section assembling engineering method - Google Patents
Vertically and horizontally assembled three working face Bridge Erectors and bent cap can be achieved without sidewalk section assembling engineering method Download PDFInfo
- Publication number
- CN110093862A CN110093862A CN201910469861.7A CN201910469861A CN110093862A CN 110093862 A CN110093862 A CN 110093862A CN 201910469861 A CN201910469861 A CN 201910469861A CN 110093862 A CN110093862 A CN 110093862A
- Authority
- CN
- China
- Prior art keywords
- segment
- bent cap
- pier stud
- crane
- crossbeam
- Prior art date
- 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.)
- Granted
Links
- 238000012407 engineering method Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 claims description 25
- 238000004026 adhesive bonding Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 10
- 239000008267 milk Substances 0.000 claims description 9
- 210000004080 milk Anatomy 0.000 claims description 9
- 235000013336 milk Nutrition 0.000 claims description 9
- 238000007596 consolidation process Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 5
- 238000005457 optimization Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000032258 transport Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000010354 integration Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 241001282153 Scopelogadus mizolepis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Vertically and horizontally assembled three working face Bridge Erectors and bent cap can be achieved without sidewalk section assembling engineering method the invention discloses a kind of, while the double face for realizing pier column and superstructure girder is set up, a preform lid girder segment laterally assembled working face is newly increased, the working face can also realize bent cap without sidewalk section assembling, i.e., no setting is required during bent cap section assembling, and interim sidewalk or bracket etc. are the structural stability and location accuracy that can guarantee bent cap segment.The vertical erection of precast pier column may be implemented in the present invention, laterally assembled and precast main beam the longitudinal direction of preform lid girder segment is set up, for the lateral assembled of bent cap segment, without repeated disassembled and assembleds facilities such as interim sidewalk or brackets.
Description
Technical field
The invention belongs to technical field of bridge engineering, and in particular to a kind of that vertically and horizontally assembled three working faces bridge formation can be achieved
Machine and bent cap are without sidewalk section assembling engineering method.
Background technique
The full precast assembly process of land-based area bridge gradually obtains promotion and application, precast pier column, bent cap in China
Mainly there are crawler crane or truck crane with the erection mode of girder and more novel integrated Bridge Erector is set up at present.Integration
Bridge Erector is applied for the first time in the project of Ningbo PORT OF ZHOUSHAN main channel, and this Bridge Erector is using the spanning that has set up as branch
The channel of support and transport prefabricated components, advances and gradually assembled remaining spanning along route direction, reduce under bridge temporarily expropriation of land with
Influence to surrounding enviroment and traffic realizes automation and mechanization installation.
Currently, precast pier bent cap is set using whole section of prefabricated and erection as shown in Figure 1, prefabricated bent cap 7 passes through to transport on bridge
Received shipment is defeated in place, after the completion of setting up with pier column 8, is lifted prefabricated bent cap 7 to bridge pier by the crane 5 on main couple 1 and stood
It on column 8, is positioned and is placed, and complete grouting etc. and is strong.Similarly, superstructure girder 6 passes through bridge floor transport and Bridge Erector
Lifting is inserted on pier cap beam 7.
As shown in Figure 1, this Bridge Erector relates generally to two working faces, precast pier column is carried out on first job face
8 and bent cap 7 lifting, the lifting of superstructure girder 6 is carried out on second working face, therefore double face one can be referred to as
Change Bridge Erector.In Fig. 1: 1-Bridge Erector main couple, auxiliary leg before 2-Bridge Erectors, load-bearing supporting leg before 3-Bridge Erectors, 4-framves
Bridge machine rear load-bearing supporting leg, 5-Bridge Erector cranes, 6-superstructure precast main beams, 7-precast pier bent caps, 8-precast piers
Column, 9-pier caps (bottom binder).
Situations such as bridge breadth degree increase (8 lanes even 10 lanes) or there are space under bridge utilizations, pier cap beam
Size is larger, cantilever range increases, and the weight of entire pier cap beam is very big at this time, prefabricated according to whole section, using above-mentioned duplex
Problems will be generated by making face Bridge Erector: on the one hand, the prefabricated component weight of precast main beam, bent cap and pier column three it is close and
When in a certain range, the effect of Bridge Erector is most significant, if prefabricated bent cap weight is excessive, or causes to be difficult to lift,
Or economic benefit is caused to decline；On the other hand, it since bent cap is direction across bridge component and width is larger, is hung using above-mentioned Bridge Erector
When capping beam, generally first bent cap is subjected to Plane Rotation to placement along bridge is indulged in the sky after lifting, then determined with pier column
Position and placement, therefore when bent cap size and weight are very big, the difficulty of Plane Rotation operation will be increased, there are certain risks；Again
On the one hand, when prefabricated bent cap weight is very big, main beam stress will be will increase in bridge floor transportational process, to the safety of work progress girder
It is unfavorable that property causes.
As described above, it is necessary to precast segment be carried out to bent cap, reduce the size and lifting weight of single component, pass through cross
Bent cap is set up in place to assembled mode, Bridge Erector is so just needed to increase a working face.In addition, prefabricated bent cap is using section
When section is assembled, certain measure need to be taken, guarantees the structural stability and location accuracy of bent cap segment during assembly, and it is existing
Double face integration Bridge Erector be then difficult to realize.
Summary of the invention
In view of above-mentioned, vertically and horizontally assembled three working face Bridge Erectors and bent cap can be achieved without sidewalk the invention proposes a kind of
Section assembling engineering method has newly increased one in advance while the double face for realizing pier column and superstructure girder is set up
The lateral assembled working face in bent cap segment processed, the working face can also realize bent cap without sidewalk section assembling, i.e. bent cap section assembling
No setting is required in the process, and interim sidewalk or bracket etc. are the structural stability and location accuracy that can guarantee bent cap segment.
It is a kind of that three vertically and horizontally assembled working face Bridge Erectors, including main couple can be achieved；Main couple front end passes through auxiliary branch
Leg be supported on n-th+3 across cushion cap on, should be across having installed pier stud on its cushion cap but not set up bent cap；Main couple bottom is corresponding
Transverse strands are equipped with crossbeam at n-th+3 across cushion cap position, which is connect by putting more energy into support rod or cable of putting more energy into main couple, with
Become the crossbeam and realizes that the lateral assembled working face of preform lid girder segment, n are the natural number greater than 0；
Moveable crane is provided on main couple, for assisting transport and installation Precast Pier Columns, bent cap segment and beam slab.
Further, the main couple rear portion passes through rear load-bearing outrigger support in n-th across the (n+1)th beam slab end across between
Portion, n-th across with (n+1)th across installed on respective cushion cap pier stud and bent cap and two across bent cap on erected beam slab.
Further, in the middle part of the main couple by preceding load-bearing outrigger support in n-th+2 across pier stud bent cap on, this is across still
Beam slab is not erected across between with n-th+3.
Further, when n-th+3 across cushion cap on complete the assembled work of bent cap segment after, by the n-th+2 across pier stud lid
Preceding load-bearing supporting leg on beam be transferred to n-th+3 across pier stud bent cap on, while by rear load-bearing supporting leg be transferred to (n+1)th across with n-th+
The 2 beam slab end across between.
Further, the main couple is realized by the mobile combination of front and back load-bearing supporting leg moves across process, to complete
The consolidation service of entire spanning.
Further, two lateral roof of main couple is equipped with guide rail, is vertically moved on guide rail with for crane.
Further, the crane includes that longitudinal traveling mechanism, lateral walking mechanism and loop wheel machine, loop wheel machine are arranged in transverse direction
To hoisting prefabricated pier stud, bent cap segment and beam slab in walking mechanism, lateral walking mechanism is to horizontal on longitudinal traveling mechanism
To movement, longitudinal traveling mechanism on guide rail then to vertically move.
Using the bent cap of above-mentioned three working faces Bridge Erector without sidewalk section assembling engineering method, include the following steps:
(1) after n-th+3 across pier stud set up after the completion of, pass through bridge floor transport preform lid girder segment N1, and risen by crane
It hangs and longitudinally by segment N1It is transported at crossbeam；Prefabricated bent cap is segmented according to design optimization so that it is by multiple segment N1、
N2、....、Ni、Ni+1It is assembled；
(2) utilize mechanical switching device by segment N1It is transferred on crossbeam, by the track on crossbeam by segment N1Laterally move
It moves to predetermined position, and crane then retreats and lifts by crane next segment N2；
(3) to segment N1After accurate positioning, n-th+3 is seated to across a wherein pier stud top surface and implements to be in the milk, envoy
Section N1In conjunction with pier stud；Similarly, make segment N2Lifting in place, is seated to another pier stud top surface and implements to be in the milk, make segment
N2In conjunction with pier stud, and then prepare segment N3Switching and transverse shifting positioning；
(4) to segment N1And N2After respective pier stud consolidation, the segment N between pier stud is placed3, and then to segment N3With N1And
N3With N2Between splicing seams carry out gluing；In the process, it synchronizes subsequent bent cap segment N4And N5Lifting is in place；
(5) to bent cap segment N4And N5It synchronizes and is transferred after registration, gluing is carried out at the splicing seams of segment, then
Stretch-draw prestressing force is fixed；
(6) in place by bent cap cantilever remaining segment lifting, symmetrical segment is installed using the method for balance construction, and to spelling
Seam crossing carries out gluing and stretch-draw prestressing force；
(7) synchronous to transfer and spliced with adjacent segment after last symmetrical two segments are accurately positioned, to splicing
Gluing, and tensioning final prestressing force, the completion so that bent cap is finally constructed are carried out at seam.
As another technical solution, using the bent cap of above-mentioned three working faces Bridge Erector without sidewalk section assembling engineering method,
Assembled using full splicing method, using hoist cable as temporary support, final single tension whole bent cap prestressing force specifically includes following step
It is rapid:
(1) after n-th+3 across pier stud set up after the completion of, pass through bridge floor transport preform lid girder segment N1, and risen by crane
It hangs and longitudinally by segment N1It is transported at crossbeam；Prefabricated bent cap is segmented according to design optimization so that it is by multiple segment Ni、
Ni-1、....、N1、M1、M2、....、MiIt is assembled；
(2) utilize mechanical switching device by segment N1It is transferred on crossbeam, by the track on crossbeam by segment N1Laterally move
It moves to predetermined position, and crane then retreats and lifts by crane next segment N2；
(3) to segment N1After accurate positioning, n-th+3 is seated to across a wherein pier stud top surface and implements to be in the milk, envoy
Section N1In conjunction with pier stud；
(4) to segment N1After pier stud consolidation, by the segment N of bent cap cantilever side2、N3……NiSuccessively lift in place, and according to
Secondary decentralization carries out gluing splicing with previous segment, and each segment is connect as temporary support with crossbeam yet by hoist cable at this time；
(5) by the segment M of the other side1And M2It successively lifts in place, and successively decentralization and previous segment carry out painting splicing
It connects；Segment M2For n-th+3 across another pier top segment, therefore installation segment M2When, it not only needs and segment M1Accurate splicing,
It also needs accurately to dock with pier top reserved steel bar, carries out being in the milk etc. after docking strong, and prepare next segment M3Splicing；
(6) successively by subsequent segment M3、....、MiLifting in place, and successively transfers and carries out painting splicing with previous segment
It connects, while guaranteeing each segment still using hoist cable as temporary support；
(7) all bent cap segment liftings in place after, disposable tensioning whole bent cap prestressing force after the completion of tension process, takes
Disappear the hoist cable of each segment, completes the installation of bent cap.
The present invention joined third working face by the improvement to existing double face integration Bridge Erector --- and it is prefabricated
The lateral assembled working face in bent cap segment, the precast segment for realizing bent cap is assembled, and gives using this three working faces Bridge Erector
Carry out construction method of the bent cap without sidewalk section assembling, realize the big scale of construction, great cantilever bent cap precast segment assembly it is simple and quick,
Automation and mechanization.Compared with prior art, the present invention has following advantageous effects:
(1) bent cap precast segment reduces lifting weight, and is not necessarily to aerial Plane Rotation operation, reduces risk.
(2) transverse shifting of the bent cap segment on third working face and the lifting of subsequent segment, phloem-xylem transport can be real
Existing synchronization job, it is high-efficient.
(3) section assembling of bent cap on pier column without being arranged the facilities such as interim sidewalk or bracket, erection process tool
There are automation, mechanization advantage.
(4) three working face Bridge Erectors of the invention are adapted to different types of bent cap section assembling technique, adaptable, effect
It is beneficial high.
Detailed description of the invention
Fig. 1 is existing double face integration Bridge Erector structure and its construction schematic diagram.
Fig. 2 is that three vertically and horizontally assembled working face Bridge Erector structural schematic diagrams can be achieved in the present invention.
Fig. 3 is the structural schematic diagram of the lateral assembled working face of preform lid girder segment of the present invention.
Fig. 4 changes rope operating condition schematic diagram for the lateral assembled working face of preform lid girder segment of the present invention.
A kind of bent cap section assembling engineering method process that Fig. 5 (a)~Fig. 5 (g) is followed successively by three working face Bridge Erectors of the invention is shown
It is intended to.
Fig. 6 (a)~Fig. 6 (f) is followed successively by another bent cap section assembling engineering method process of three working face Bridge Erectors of the invention
Schematic diagram.
In Fig. 2~Fig. 3: 1-main couple, 2-auxiliary legs, 3-preceding load-bearing supporting legs, 4-rear load-bearing supporting legs, 5-cranes,
5 (a)-transverse shifting loop wheel machines, 5 (b)-longitudinal traveling mechanisms, the 6-beam slabs set up, 7-bent caps, 7 (a)~7 (c)-is pre-
Bent cap segment processed, 8-pier studs, 9-pier caps (bottom binder), the lateral assembled working face of 10-preform lid girder segments, 10 (a)-
Crossbeam, 10 (b)-put more energy into support rod or cable of putting more energy into.
Specific embodiment
In order to more specifically describe the present invention, with reference to the accompanying drawing and specific embodiment is to technical solution of the present invention
It is described in detail.
It is as shown in Figure 2 that three vertically and horizontally assembled working face Bridge Erectors can be achieved in the present invention, wherein preform lid girder segment is lateral
Assembled working face 10 is mainly by " laterally setting up crossbeam " Lai Shixian, as shown in figure 3, laterally setting up crossbeam includes crossbeam 10 (a)
And put more energy into support rod or cable 10 (b) of putting more energy into.
Prefabricated bent cap 7 is segmented according to design optimization, when construction, successively by each segment of bent cap (N1, N2 ..., Ni)
It hangs and send to preform lid girder segment laterally assembled working face 10, by mechanical substitute mode, bent cap segment is transferred to crossbeam 10
(a), and by the transverse shifting on crossbeam 10 (a), predetermined position is accurately reached, positioning and installation course are not necessarily in pier stud 8
It is upper that interim sidewalk or bracket etc. are set.
Above-mentioned " mechanical switch mode " can be realized using relatively simple rope mode of changing, as shown in figure 4, when Bridge Erector is hung
After vehicle 5 transports component N1 in place, preparation hoist cable on " laterally setting up crossbeam " is anchored on component N1, and gradually hang tight and hang
Rope unlocks the hoist cable of Bridge Erector crane 5 after component N1 total weight is transformed on crossbeam 10 (a), completes conversion.Certainly,
" mechanical switch mode " is not limited to such method for changing rope.
Embodiment 1:
The bent cap carried out using this three working faces Bridge Erector is told about without sidewalk section assembling engineering method, tool with a case below
Steps are as follows for body:
Step 1: as shown in Fig. 5 (a), after the completion of the erection of Precast Pier Columns 8, preform lid girder segment N1 is transported by bridge floor,
And it is lifted by crane by Bridge Erector crane 5 and is longitudinally transported to preform lid girder segment laterally assembled working face.
Step 2: as shown in Fig. 5 (b), by laterally setting up the mechanical switching device of crossbeam, bent cap segment N1 being transferred to
Segment N1 is laterally moved to predetermined position by crossbeam 10 (a) track by crossbeam 10 (a), and Bridge Erector overhead traveling crane 5 is retreated and lifted by crane
Next segment N2, the above process can synchronize progress, improve and set up efficiency.
Step 3: as shown in Fig. 5 (c), after segment N1 accurate positioning, being seated to pier column top surface, and implement to fill
Slurry, makes segment N1 in conjunction with pier column, repeats step 2, in place by the bent cap segment N2 lifting of another column pier top, and prepares
The switching of bent cap segment N3 and transverse shifting positioning.
Step 4: as shown in Fig. 5 (d), after grouting etc. by force is implemented in the bent cap segment of column pier top, placing the lid between column
Girder segment N3 need to carry out gluing to the splicing seams of segment N3 and N1, N2；According to it is prefabricated and set up precision difference, can at
The wet seam of 10cm or so is set at bridge bent cap moment of flexure minimum position, to adapt to construction error；During this, repetition step 1~
2, in place by subsequent bent cap segment N4 and N5 lifting.
Step 5: as shown in Fig. 5 (e), it is similar to kingpost cantalever assembling construction, it is same after N4, N5 registration of bent cap segment
Step is transferred, and gluing is carried out at the splicing seams of segment, is fixed with post-stress.
Step 6: as shown in Fig. 5 (f), steps 1 and 2,5 are repeated, in place by bent cap cantilever remaining segment lifting, using balance
The method of construction installs symmetrical segment, and to progress gluing and stretch-draw prestressing force at splicing seams.
Step 7: as shown in Fig. 5 (g), after last symmetrical two segments are accurately positioned, synchronous decentralization and and adjacent segment
Spliced, to carrying out gluing, and tensioning final prestressing force, the completion so that bent cap is finally constructed at splicing seams.
Embodiment 2:
Three working face Bridge Erectors of the invention are adapted to different types of bent cap section assembling technique, such as Fig. 6 (a)~Fig. 6
(f) shown in, laterally assembled engineering method is different from aforementioned balanced cantilever formula for present embodiment, and such engineering method is assembled using full splicing method,
Using hoist cable as temporary support, final single tension whole bent cap prestressing force, this engineering method is to precast segment and construction precision requirement
It is higher, the specific steps are as follows:
Step 1: as shown in Fig. 6 (a), after the completion of the erection of Precast Pier Columns 8, preform lid girder segment N1 is transported by bridge floor,
And it is lifted by crane by Bridge Erector crane 5 and is longitudinally transported to preform lid girder segment laterally assembled working face.
Step 2: as shown in Fig. 6 (b), by laterally setting up the mechanical switching device of crossbeam, bent cap segment N1 being transferred to
Segment N1 is laterally moved to predetermined position by crossbeam 10 (a) track by crossbeam 10 (a), and Bridge Erector overhead traveling crane 5 is retreated and lifted by crane
Next segment N2, the above process can synchronize progress, improve and set up efficiency.
Step 3: as shown in Fig. 6 (c), after segment N1 accurate positioning, being seated to pier column top surface, and implement to fill
Slurry, makes segment N1 in conjunction with pier column, repeats step 2, bent cap cantilever side segment N2, N3 ... Ni is successively lifted in place,
And successively decentralization and the progress gluing splicing of previous segment, at this time still using hoist cable as temporary support.
Step 4: as shown in Fig. 6 (d), step 2 is repeated, the segment other side N1 segment M1, M2 are successively lifted in place, and according to
Secondary decentralization carries out gluing splicing with previous segment；In present case, the segment M2 is another pier top segment, therefore in the installation segment M2
When, it not only needs accurately to splice with the segment M1, it is also necessary to it is accurately docked with pier top reserved steel bar, carries out being in the milk etc. after docking strong,
And prepare the splicing of next segment M3.
Step 5: as shown in Fig. 6 (e), repeat step 2, successively by subsequent segment M3 ... Mi lifting in place, and successively under
It puts and carries out gluing splicing with previous segment.
Step 6: as shown in Fig. 6 (f), all bent cap segment liftings in place after, disposable tensioning whole bent cap prestressing force,
After the completion of drawing process, the hoist cable of each segment can be cancelled, complete the installation of bent cap.
The above-mentioned description to embodiment is for that can understand and apply the invention convenient for those skilled in the art.
Person skilled in the art obviously easily can make various modifications to above-described embodiment, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, the improvement made for the present invention and modification all should be in protection scope of the present invention
Within.
Claims (9)
1. a kind of can be achieved three vertically and horizontally assembled working face Bridge Erectors, including main couple；It is characterized by: main couple front end is logical
Cross auxiliary leg be supported on n-th+3 across cushion cap on, should be across having installed pier stud on its cushion cap but not set up bent cap；Main couple
Transverse strands are equipped with crossbeam at corresponding n-th+3 across the cushion cap position in bottom, which passes through support rod or put more energy into cable and the main truss of putting more energy into
Frame connection, so that the crossbeam, which becomes, realizes that the lateral assembled working face of preform lid girder segment, n are the natural number greater than 0；
Moveable crane is provided on main couple, for assisting transport and installation Precast Pier Columns, bent cap segment and beam slab.
2. three working faces Bridge Erector according to claim 1, it is characterised in that: the main couple rear portion passes through rear load-bearing branch
Leg is supported on n-th across the (n+1)th beam slab end across between, n-th across with (n+1)th across installing pier stud on respective cushion cap
And bent cap and two across bent cap on erected beam slab.
3. three working faces Bridge Erector according to claim 2, it is characterised in that: pass through preceding load-bearing branch in the middle part of the main couple
Leg be supported on n-th+2 across pier stud bent cap on, should be across not yet erecting beam slab across between with n-th+3.
4. three working faces Bridge Erector according to claim 3, it is characterised in that: when n-th+3 across cushion cap on complete lid
After the assembled work of girder segment, by the preceding load-bearing supporting leg on the n-th+2 across pier stud bent cap be transferred to n-th+3 across pier stud bent cap on,
Rear load-bearing supporting leg is transferred to (n+1)th across the n-th+2 beam slab end across between simultaneously.
5. three working faces Bridge Erector according to claim 4, it is characterised in that: the main couple passes through front and back load-bearing supporting leg
Mobile combination with realize move across process, to complete the consolidation service of entire spanning.
6. three working faces Bridge Erector according to claim 1, it is characterised in that: two lateral roof of main couple is equipped with and leads
Rail is vertically moved on guide rail with for crane.
7. three working faces Bridge Erector according to claim 6, it is characterised in that: the crane include longitudinal traveling mechanism,
Lateral walking mechanism and loop wheel machine, loop wheel machine are arranged in lateral walking mechanism to hoisting prefabricated pier stud, bent cap segment and beam slab,
Lateral walking mechanism is to the transverse shifting on longitudinal traveling mechanism, and longitudinal traveling mechanism on guide rail then to vertically move.
8. a kind of bent cap using the three working face Bridge Erectors as described in claim 1~7 any claim is spelled without sidewalk segment
Engineering method is filled, is included the following steps:
(1) after n-th+3 across pier stud set up after the completion of, pass through bridge floor transport preform lid girder segment N1, and lift by crane and indulge by crane
To by segment N1It is transported at crossbeam；Prefabricated bent cap is segmented according to design optimization so that it is by multiple segment N1、N2、....、
Ni、Ni+1It is assembled；
(2) utilize mechanical switching device by segment N1It is transferred on crossbeam, by the track on crossbeam by segment N1It laterally moves to
Predetermined position, and crane then retreats and lifts by crane next segment N2；
(3) to segment N1After accurate positioning, n-th+3 is seated to across a wherein pier stud top surface and implements to be in the milk, makes segment N1With
Pier stud combines；Similarly, make segment N2Lifting in place, is seated to another pier stud top surface and implements to be in the milk, make segment N2With pier
Column combines, and then prepares segment N3Switching and transverse shifting positioning；
(4) to segment N1And N2After respective pier stud consolidation, the segment N between pier stud is placed3, and then to segment N3With N1And N3With
N2Between splicing seams carry out gluing；In the process, it synchronizes subsequent bent cap segment N4And N5Lifting is in place；
(5) to bent cap segment N4And N5It synchronizes and is transferred after registration, gluing is carried out at the splicing seams of segment, with post-stretching
Prestressing force is fixed；
(6) in place by bent cap cantilever remaining segment lifting, symmetrical segment is installed using the method for balance construction, and to splicing seams
Place carries out gluing and stretch-draw prestressing force；
(7) synchronous to transfer and spliced with adjacent segment after last symmetrical two segments are accurately positioned, at splicing seams
Carry out gluing, and tensioning final prestressing force, the completion so that bent cap is finally constructed.
9. a kind of bent cap using the three working face Bridge Erectors as described in claim 1~7 any claim is spelled without sidewalk segment
Engineering method is filled, is included the following steps:
(1) after n-th+3 across pier stud set up after the completion of, pass through bridge floor transport preform lid girder segment N1, and lift by crane and indulge by crane
To by segment N1It is transported at crossbeam；Prefabricated bent cap is segmented according to design optimization so that it is by multiple segment Ni、
Ni-1、....、N1、M1、M2、....、MiIt is assembled；
(2) utilize mechanical switching device by segment N1It is transferred on crossbeam, by the track on crossbeam by segment N1It laterally moves to
Predetermined position, and crane then retreats and lifts by crane next segment N2；
(3) to segment N1After accurate positioning, n-th+3 is seated to across a wherein pier stud top surface and implements to be in the milk, makes segment N1With
Pier stud combines；
(4) to segment N1After pier stud consolidation, by the segment N of bent cap cantilever side2、N3……NiSuccessively lift in place, and successively under
It puts and carries out gluing splicing with previous segment, each segment is connect as temporary support with crossbeam yet by hoist cable at this time；
(5) by the segment M of the other side1And M2It successively lifts in place, and successively decentralization and the progress gluing splicing of previous segment；Section
Section M2For n-th+3 across another pier top segment, therefore installation segment M2When, it not only needs and segment M1Accurate splicing, it is also necessary to
It is accurately docked with pier top reserved steel bar, carries out being in the milk etc. after docking strong, and prepare next segment M3Splicing；
(6) successively by subsequent segment M3、....、MiLifting in place, and successively transfers and carries out gluing splicing with previous segment, together
When guarantee each segment still using hoist cable as temporary support；
(7) all bent cap segment liftings in place after, disposable tensioning whole bent cap prestressing force after the completion of tension process, is cancelled each
The hoist cable of segment completes the installation of bent cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910469861.7A CN110093862B (en) | 2019-05-31 | 2019-05-31 | Three-working-face bridge girder erection machine capable of realizing longitudinal and transverse assembly and bent cap non-channel segment assembly construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910469861.7A CN110093862B (en) | 2019-05-31 | 2019-05-31 | Three-working-face bridge girder erection machine capable of realizing longitudinal and transverse assembly and bent cap non-channel segment assembly construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110093862A true CN110093862A (en) | 2019-08-06 |
| CN110093862B CN110093862B (en) | 2024-04-05 |
Family
ID=67449898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910469861.7A Active CN110093862B (en) | 2019-05-31 | 2019-05-31 | Three-working-face bridge girder erection machine capable of realizing longitudinal and transverse assembly and bent cap non-channel segment assembly construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110093862B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761165A (en) * | 2019-10-24 | 2020-02-07 | 安徽省路港工程有限责任公司 | Steel web box girder installation system and construction method thereof |
| CN111254837A (en) * | 2020-03-04 | 2020-06-09 | 成都天府轨谷科技有限公司 | Construction method for building bridge by bridge crane fishing method |
| CN112663514A (en) * | 2020-12-21 | 2021-04-16 | 中建八局第三建设有限公司 | Novel pier-beam integrated bridge girder erection machine |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1068106A (en) * | 1996-08-28 | 1998-03-10 | Oriental Constr Co Ltd | Joint method of construction concrete member in high-place |
| JP2001131918A (en) * | 1999-11-02 | 2001-05-15 | Kajima Corp | Bridge constructing method |
| JP2001193016A (en) * | 2000-01-17 | 2001-07-17 | Sumitomo Heavy Ind Ltd | Launching machine for erecting bridge |
| CN1609341A (en) * | 2003-10-22 | 2005-04-27 | 上海市基础工程公司 | Over head bridge erection construction technology |
| CN102720132A (en) * | 2011-03-31 | 2012-10-10 | 江苏恩纳斯重工机械有限公司 | Bridge erecting machine capable of side surface beam feeding |
| CN103572699A (en) * | 2012-08-03 | 2014-02-12 | 浙江中建路桥设备有限公司 | Novel road bridge girder erection machine |
| CN103866698A (en) * | 2014-03-14 | 2014-06-18 | 中铁十一局集团有限公司 | Symmetrical suspension splicing bridge support seat end pseudo-suspension splicing construction method |
| CN105970833A (en) * | 2016-07-01 | 2016-09-28 | 北京中铁建北方路桥工程有限公司 | Precast segment span-by-span assembling bridge fabrication machine |
| CN106012868A (en) * | 2016-05-19 | 2016-10-12 | 中铁十局集团有限公司 | Symmetric cantilever assembly bridge accurate positioning construction control method |
| CN106592432A (en) * | 2016-11-29 | 2017-04-26 | 中铁十局集团有限公司 | Segmental mounting construction method of huge thin-wall precast capping beam housing |
| CN107460830A (en) * | 2017-08-17 | 2017-12-12 | 浙江省交通规划设计研究院 | The full precast bridge of Mid and minor spans is without sidewalk scheme of architecture |
| CN206800209U (en) * | 2017-05-24 | 2017-12-26 | 郑州新大方重工科技有限公司 | Constructed by cross for precast segmental beam the hangar system of Bridge Erector |
| CN206941397U (en) * | 2017-02-21 | 2018-01-30 | 郑州市华中建机有限公司 | Splice Bridge Erector in HZP500 single-beams section |
| CN107740350A (en) * | 2017-09-21 | 2018-02-27 | 郑州新大方重工科技有限公司 | The bridge pier column construction method and its passing method of full precast bridge Bridge Erector |
| CN207227935U (en) * | 2017-07-13 | 2018-04-13 | 北京市市政工程设计研究总院有限公司 | A kind of bridge prefabrication substructure |
| CN208762892U (en) * | 2018-08-06 | 2019-04-19 | 武汉通联路桥机械技术有限公司 | A kind of section spelling symmetrical integral Bridge Erector of bridge construction |
| CN109811642A (en) * | 2019-03-12 | 2019-05-28 | 上海市城市建设设计研究总院（集团）有限公司 | Assembled prefabricated assembly bent cap structure and its construction method |
| CN210315235U (en) * | 2019-05-31 | 2020-04-14 | 浙江省交通规划设计研究院有限公司 | Three-working-face bridge girder erection machine capable of realizing longitudinal and transverse assembly |
-
2019
- 2019-05-31 CN CN201910469861.7A patent/CN110093862B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1068106A (en) * | 1996-08-28 | 1998-03-10 | Oriental Constr Co Ltd | Joint method of construction concrete member in high-place |
| JP2001131918A (en) * | 1999-11-02 | 2001-05-15 | Kajima Corp | Bridge constructing method |
| JP2001193016A (en) * | 2000-01-17 | 2001-07-17 | Sumitomo Heavy Ind Ltd | Launching machine for erecting bridge |
| CN1609341A (en) * | 2003-10-22 | 2005-04-27 | 上海市基础工程公司 | Over head bridge erection construction technology |
| CN102720132A (en) * | 2011-03-31 | 2012-10-10 | 江苏恩纳斯重工机械有限公司 | Bridge erecting machine capable of side surface beam feeding |
| CN103572699A (en) * | 2012-08-03 | 2014-02-12 | 浙江中建路桥设备有限公司 | Novel road bridge girder erection machine |
| CN103866698A (en) * | 2014-03-14 | 2014-06-18 | 中铁十一局集团有限公司 | Symmetrical suspension splicing bridge support seat end pseudo-suspension splicing construction method |
| CN106012868A (en) * | 2016-05-19 | 2016-10-12 | 中铁十局集团有限公司 | Symmetric cantilever assembly bridge accurate positioning construction control method |
| CN105970833A (en) * | 2016-07-01 | 2016-09-28 | 北京中铁建北方路桥工程有限公司 | Precast segment span-by-span assembling bridge fabrication machine |
| CN106592432A (en) * | 2016-11-29 | 2017-04-26 | 中铁十局集团有限公司 | Segmental mounting construction method of huge thin-wall precast capping beam housing |
| CN206941397U (en) * | 2017-02-21 | 2018-01-30 | 郑州市华中建机有限公司 | Splice Bridge Erector in HZP500 single-beams section |
| CN206800209U (en) * | 2017-05-24 | 2017-12-26 | 郑州新大方重工科技有限公司 | Constructed by cross for precast segmental beam the hangar system of Bridge Erector |
| CN207227935U (en) * | 2017-07-13 | 2018-04-13 | 北京市市政工程设计研究总院有限公司 | A kind of bridge prefabrication substructure |
| CN107460830A (en) * | 2017-08-17 | 2017-12-12 | 浙江省交通规划设计研究院 | The full precast bridge of Mid and minor spans is without sidewalk scheme of architecture |
| CN107740350A (en) * | 2017-09-21 | 2018-02-27 | 郑州新大方重工科技有限公司 | The bridge pier column construction method and its passing method of full precast bridge Bridge Erector |
| CN208762892U (en) * | 2018-08-06 | 2019-04-19 | 武汉通联路桥机械技术有限公司 | A kind of section spelling symmetrical integral Bridge Erector of bridge construction |
| CN109811642A (en) * | 2019-03-12 | 2019-05-28 | 上海市城市建设设计研究总院（集团）有限公司 | Assembled prefabricated assembly bent cap structure and its construction method |
| CN210315235U (en) * | 2019-05-31 | 2020-04-14 | 浙江省交通规划设计研究院有限公司 | Three-working-face bridge girder erection machine capable of realizing longitudinal and transverse assembly |
Non-Patent Citations (5)
| Title |
|---|
| 徐栋, 项海帆, 黄鼎业, 周玉生, 刘仲训, 倪立群: "装配式无粘结预应力混凝土盖梁模型试验", 结构工程师, no. 01 * |
| 曾凡进;: "50mT梁墩顶预制、安装施工技术", 工程与建设, no. 03 * |
| 王华;: "预制节段拼装桥梁施工关键技术浅析", 城市道桥与防洪, no. 06 * |
| 赵亮;: "预制巨型薄壁壳体架设施工", 科技与创新, no. 21 * |
| 陈礼忠;陈钰晶;章志;: "节段预制、悬臂拼装工艺在工程中的综合运用", 世界桥梁, no. 1 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761165A (en) * | 2019-10-24 | 2020-02-07 | 安徽省路港工程有限责任公司 | Steel web box girder installation system and construction method thereof |
| CN110761165B (en) * | 2019-10-24 | 2021-03-30 | 安徽省路港工程有限责任公司 | Steel web box girder installation system and construction method thereof |
| CN111254837A (en) * | 2020-03-04 | 2020-06-09 | 成都天府轨谷科技有限公司 | Construction method for building bridge by bridge crane fishing method |
| CN111254837B (en) * | 2020-03-04 | 2021-06-22 | 成都天府轨谷科技有限公司 | Construction method for building bridge by bridge crane fishing method |
| CN112663514A (en) * | 2020-12-21 | 2021-04-16 | 中建八局第三建设有限公司 | Novel pier-beam integrated bridge girder erection machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110093862B (en) | 2024-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105568866B (en) | Across the large-span steel box beam push construction method of existing road | |
| CN110042769B (en) | Auxiliary span full-cantilever assembling construction method for composite beam cable-stayed bridge | |
| CN108330842A (en) | A kind of Bridge Erector and construction method of large span steel reinforced concrete combination beam erection construction | |
| CN110093865B (en) | Bridge erecting machine | |
| CN105780660B (en) | A kind of section assembling box girder construction technique | |
| CN105970836A (en) | Method for erecting large-span lower chord variable truss high continuous steel trussed beam cantilever | |
| CN110093862A (en) | Vertically and horizontally assembled three working face Bridge Erectors and bent cap can be achieved without sidewalk section assembling engineering method | |
| CN107740350B (en) | The bridge pier column construction method and its passing method of full precast bridge Bridge Erector | |
| CN107558378B (en) | Bridge girder erection machine for erecting full precast girder and bridge girder erection method thereof | |
| CN113846563B (en) | Construction method for side span and auxiliary span steel truss girder erection of large-span cable-stayed bridge | |
| CN110093863A (en) | A kind of double face integration Bridge Erector being not provided with front leg strut | |
| CN101324054B (en) | Incremental launching positioning construction method of bridge subsection girder temporary pier | |
| CN102134832B (en) | Movable support and movable support assisted method for erecting steel box beams through non-variable amplitude frame beam crane | |
| CN210561749U (en) | Multi-frame juxtaposed double-cantilever bridge girder erection machine | |
| CN110205948B (en) | Wide bridge girder erection machine and erection method thereof | |
| WO2015034444A1 (en) | New overhead self-launching launching gantry systems | |
| CN110219242A (en) | A kind of double-deck construction method of installation for synchronizing beam in beam | |
| CN104775363B (en) | The spelling method of upper king-post strut reinforcing bar sections | |
| CN112211112A (en) | Steel box girder installation method adopting double-guide-girder erection machine on existing bridge | |
| CN210315235U (en) | Three-working-face bridge girder erection machine capable of realizing longitudinal and transverse assembly | |
| CN111851307A (en) | Large-span prefabricated assembly type corrugated web combined box girder transportation frame construction method | |
| CN115961549A (en) | Rear-feeding beam type erection construction method for large-tonnage whole-section steel beam of cable-stayed bridge | |
| CN215925692U (en) | Overlength multispan assembly type integrated multifunctional bridge girder erection machine | |
| CN210368664U (en) | Wide-body bridge girder erection machine | |
| CN111945572B (en) | Multi-connected arch bridge erecting machine and multi-connected arch bridge erecting method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No.928 yuhangtang Road, Xihu District, Hangzhou City, Zhejiang Province Applicant after: Zhejiang shuzhijiaoyuan Technology Co.,Ltd. Address before: 310006 No. 89 West Ring Road, Zhejiang, Hangzhou Applicant before: ZHEJIANG PROVINCIAL INSTITUTE OF COMMUNICATIONS PLANNING DESIGN & RESEARCH Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |