CN107100078B - A kind of packaged type bridges Precast Pier Columns component installation method - Google Patents
A kind of packaged type bridges Precast Pier Columns component installation method Download PDFInfo
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- CN107100078B CN107100078B CN201710357824.8A CN201710357824A CN107100078B CN 107100078 B CN107100078 B CN 107100078B CN 201710357824 A CN201710357824 A CN 201710357824A CN 107100078 B CN107100078 B CN 107100078B
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- precast pier
- pier columns
- precast
- columns
- jack
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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
Abstract
The invention discloses a kind of packaged type bridges Precast Pier Columns component installation method, on the cushion cap that the accurate assembly of Precast Pier Columns has been poured in advance, and pier stud is set between Precast Pier Columns and cushion cap and sits slurry, comprising steps of marking docking label before Precast Pier Columns are in place；According to absolute altitude, center cushion block is placed；After hoisting prefabricated pier stud inserts the reserved steel bar on people's cushion cap, docking label is aligned one by one；Adjusting jack is placed, loop wheel machine unloads power, transfers in Precast Pier Columns to center cushion block；Precast Pier Columns verticality is adjusted using jack until meeting design requirement, locks jack, and the piston stroke and pier stud for recording jack sit slurry thickness；Hang Precast Pier Columns；Installation prepares the grouting template that pier stud sits slurry on cushion cap, sits slurry thickness data according to measurement pier stud and prepares grouting material, perfusion pier stud sits slurry, it is formal in place: and then loop wheel machine transfers Precast Pier Columns, Precast Pier Columns are accurately in place, lock jack, it is conserved, is installed by grout hole grouting material.
Description
Technical field
The present invention relates to a kind of building engineering fields, and in particular to a kind of packaged type bridges Precast Pier Columns component installation side
Method.
Background technique
With in Urban Bridge or pier stud construction precast assembly construction technology it is universal, reinforced bar sleeve be in the milk interconnection technique by
Gradually it is applied in the vertical connection of the precast concretes such as Precast Pier Columns, prefabricated bent cap.But it is filled using reinforced bar sleeve
Starch interconnection technique Precast Pier Columns (that is, pier stud), due to the complexity and high-precision requirement of its assembling construction process, always no
To extensive practical application.In the precast assembly process of conventional house building, it can accurately be controlled by the method for axis location
Splicing and positioning between prefabricated components processed.Precast Pier Columns in overhead girder, height are differed from more than ten rice to more than tens rice, real
Border weight is unable to accurately control the splicing and positioning of Precast Pier Columns by the method that conventional axial positions up to hundred tons.
For volume and the biggish Precast Pier Columns component of weight, when with bottom cushion cap assembly, assembled essence can be generated
The uncontrollable problem of degree, while the degree control during its assembly also will affect the assembled quality of superstructure.Therefore,
Accurate positioning between Precast Pier Columns and cushion cap is a technical problem urgently to be resolved.
Summary of the invention
The purpose of the present invention is to overcome the shortage of prior art, and it is an object of the present invention to provide a kind of packaged type bridges Precast Pier Columns
Component installation method solves splicing and positioning that existing packaged type bridges Precast Pier Columns are unable to accurately control Precast Pier Columns, and
The problem of control of Precast Pier Columns installed height mark.
The present invention is achieved through the following technical solutions:
A kind of packaged type bridges Precast Pier Columns component installation method, by the accurate assembled cushion cap poured in advance of Precast Pier Columns
On, it is inserted into connection sleeve pre-buried in Precast Pier Columns by cushion cap reserved steel bar, is attached using pressure grouting, including step
It is rapid:
Before Precast Pier Columns are in place, marked respectively on the Precast Pier Columns interface to be installed of Precast Pier Columns bottom face and cushion cap
Docking label；
According to absolute altitude, the placement center cushion block at Precast Pier Columns interface to be installed center；
After hoisting prefabricated pier stud inserts the reserved steel bar on people's cushion cap, Precast Pier Columns bottom face is adjusted, so that Precast Pier Columns
It is aligned one by one with the label that docks of Precast Pier Columns joint face to be installed；
Adjusting jack is placed, loop wheel machine unloads power, transfers in Precast Pier Columns to center cushion block；It is adjusted using jack prefabricated
For pier stud verticality until meeting design requirement, locking jack, the piston stroke and pier stud for recording jack sits slurry thickness；
Hang Precast Pier Columns；
Installation prepares the grouting template that pier stud sits slurry on cushion cap, sits slurry thickness data preparation grouting according to measurement pier stud
Material, perfusion pier stud sit slurry,
It is formal in place: and then loop wheel machine transfers Precast Pier Columns, Precast Pier Columns are accurately in place, lock jack, pass through grout hole
Grouting material maintenance, is installed.
Further, the docking label is found out by the way of in cross point has poured pier stud and Precast Pier Columns to be installed
The central point of joint face pops up cross hairs using ink fountain.
Further, the thickness for placing center cushion block designs top mark height according to pier stud and pier stud prefabricated components length determines.
Further, before formal in place, slurry thickness data is sat according to measurement pier stud and prepares grouting material, jack piston is turned up
5mm, then loop wheel machine transfers Precast Pier Columns, overall process measurement in decentralization process, while adjusting jack, the amount control adjusted every time
Within 1mm, until deviation is stablized in design error requirement, Precast Pier Columns are i.e. accurately in place at this time, lock jack, fill
Slurry maintenance, while Precast Pier Columns are fixed temporarily using strut, it is installed.
Further, the placement adjusting jack, multiple jack are circumferentially positioned at pre- by regulating device
Pier stud bottom processed.
Further, the regulating device includes connection frame and supporting block, and the connection frame is mounted on prefabricated by bolt
On pier stud, the supporting block is arranged on connection frame, and the jack is by being coupled support Precast Pier Columns tune with supporting block
Save verticality and height.
Compared with prior art, the present invention having the following advantages and benefits:
1, a kind of packaged type bridges Precast Pier Columns component installation method of the present invention, by Precast Pier Columns bottom face and cushion cap
Precast Pier Columns interface to be installed on mark respectively docking label；And adjusting jack is placed, prefabricated pier may be implemented
Column Dock With Precision Position, then the thickness that pier stud sits slurry is calculated by pre-installation, in the case where replacing or retaining center cushion block, make prefabricated
Pier stud is installed to precisely in place in accurate adjusting, sits slurry by pier stud to lock with regard to bit space, to guarantee that Precast Pier Columns can essence
Quasi- fixed setting is supported adjusting height and verticality mechanical means only with center cushion block relative to existing, of the invention
Regulative mode is more simple and convenient, while guaranteeing that Precast Pier Columns can be fixed precisely.
2, a kind of packaged type bridges Precast Pier Columns component installation method of the present invention, for guarantee the accurate installations of Precast Pier Columns with
Precision, it is ensured that and pier stud sits the determination of the grouting thickness of slurry, prevents the excessive or very few grouting slurry being added, Precast Pier Columns
Installation using it is pre- it is in place by the way of, primarily determine it is each adjust jack height and be in the milk thickness；
3, a kind of packaged type bridges Precast Pier Columns component installation method of the present invention makes Precast Pier Columns in reality using this method
Now in the case where accurate installation, installation effectiveness improves 40%, the installation period of Precast Pier Columns is greatly shortened, convenient for Precast Pier Columns
Support form promotes and applies, and in bridge construction, building, hydraulic engineering field can obtain extensively sending out practice and application.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is a kind of schematic view of the front view of packaged type bridges Precast Pier Columns component installation method of the present invention；
Fig. 2 is a kind of overlooking structure diagram of packaged type bridges Precast Pier Columns component installation method of the present invention；
Label and corresponding parts title in attached drawing:
1- Precast Pier Columns, 2- cushion cap, 3- pier stud, which is sat, to be starched, the center 4- cushion block, 5- regulating device, 6- reserved steel bar, and 7- is very heavy
Top, 8- grout hole, 9- connection frame, 10- supporting block.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment
As shown in Figs. 1-2, a kind of packaged type bridges Precast Pier Columns component installation method of the present invention is accurate by Precast Pier Columns 1
Be assembled on the cushion cap 2 poured in advance, Precast Pier Columns 1 and 2 structure type of cushion cap be all with structure type, cushion cap 2
Reserved steel bar 6 is implanted on Precast Pier Columns interface to be installed in advance, 1 end of Precast Pier Columns is also implanted with the butt muff of F type in advance,
And 3 connection of slurry is sat by pier stud between Precast Pier Columns 1 and cushion cap 2 and is supported, Precast Pier Columns 1 are inserted by 2 reserved steel bar 6 of cushion cap
Interior pre-buried connection sleeve, is attached using pressure grouting, comprising steps of
Before Precast Pier Columns 1 are in place, divide on the bottom face of Precast Pier Columns 1 and the Precast Pier Columns interface to be installed of cushion cap 2
Docking label is not marked；
According to absolute altitude, the placement center cushion block 4 at Precast Pier Columns interface to be installed center；
After hoisting prefabricated pier stud 1 inserts the reserved steel bar 6 on people's cushion cap, 1 bottom face of Precast Pier Columns is adjusted, so that prefabricated pier
Column 1 is aligned one by one with the label that docks of Precast Pier Columns joint face to be installed；
Adjusting jack 7 is placed, loop wheel machine unloads power, transfers in Precast Pier Columns 1 to center cushion block 4；It is adjusted using jack 7
For 1 verticality of Precast Pier Columns until meeting design requirement, locking jack 7, the piston stroke and pier stud for recording jack 7 sits slurry 3
Thickness；
Hang Precast Pier Columns 1；
Installation prepares the grouting template (to prevent grouting material from overflowing pollution finished product) that pier stud sits slurry 3 on cushion cap, and foundation is surveyed
Amount pier stud sits 3 thickness datas of slurry and prepares grouting material, and perfusion pier stud sits slurry 3,
It is formal in place: and then loop wheel machine transfers Precast Pier Columns 1, Precast Pier Columns 1 are accurate in place, lock jack 7, pass through grouting
The maintenance of 8 grouting material of hole, reserved steel bar 6 connect grouting with the pipe fitting of F type, general using being in the milk from lower row's grout hole 8, install
It completes.
Docking label finds out the center of Precast Pier Columns 1 and Precast Pier Columns joint face to be installed by the way of in cross point
Point pops up cross hairs using ink fountain.
The thickness of placement center cushion block 4 designs top mark height according to pier stud and pier stud prefabricated components length determines.
Before formal in place, 3 thickness datas of slurry are sat according to measurement pier stud and prepare grouting material, the piston 5mm of jack 7 is turned up,
Jack 7 is adjusted convenient for subsequent decline, Precast Pier Columns 1 and pier stud is made to sit 3 Dock With Precision Positions of slurry, then loop wheel machine transfers Precast Pier Columns 1,
Overall process measures in decentralization process, while adjusting jack 7, and the amount adjusted every time controls within 1mm, until deviation is stablized
In design error requires, Precast Pier Columns 1 are i.e. accurately in place at this time, lock jack 7, grouting material maintenance, while using strut
Precast Pier Columns 1 are fixed temporarily, are installed.
Adjusting jack 7 is placed, multiple jack 7 are circumferentially positioned at 1 bottom of Precast Pier Columns by regulating device 5
Portion.
Regulating device 5 includes connection frame 9 and supporting block 10, and connection frame 9 is mounted in Precast Pier Columns 1 by bolt, described
Supporting block 10 is arranged on connection frame 9, and the jack 7 is hung down by being coupled support Precast Pier Columns 1 with supporting block 10 and adjusting
Straight degree and height.
As shown in Figs. 1-2, a kind of packaged type bridges Precast Pier Columns component installation method of the present invention, Specific construction step, 1,
Before pier stud is in place, the central point for having poured pier stud and Precast Pier Columns joint face to be installed, benefit are found out by the way of in cross point
Cross hairs is popped up with ink fountain.
2, absolute altitude is measured.Top mark height and pier stud prefabricated components length, the placement center at cross searching are designed according to pier stud
Cushion block (steel), it is ensured that pier stud installed height mark meets design requirement, it is ensured that length meets design and wants in pre- doweling depth people's sleeve
It asks.
3, pre- in place: for the accurate installation and precision for guaranteeing Precast Pier Columns, it is ensured that and pier stud sits the grouting thickness of slurry
Determine, prevent be added excessive or very few grouting slurry, Precast Pier Columns installation using it is pre- it is in place by the way of, primarily determine each tune
Save the height and grouting thickness of jack.
After pier stud inserts people's cushion cap reserved steel bar, slowly transfer, make pier stud prefabricated component fall on the cushion block of center and slightly by
Power.Plan-position is adjusted, so that Precast Pier Columns middle line is aligned one by one with the center line for having poured pier stud, it is ensured that pier stud does not generate torsion
Turn, it is in place accurate.Adjusting jack (jack should be placed below regulating device, and close to inside) is placed, loop wheel machine is slow
Power is unloaded, is transferred on pier stud to center cushion block；Pier stud verticality is adjusted using jack until meeting design requirement, is locked very heavy
Top records position, piston stroke and the grouting thickness of jack, hangs pier stud.
4, formal in place: slurry template is sat in formal preceding installation in place, it is ensured that grouting material is non-leakage；It is filled according to measurement data preparation
Slurry (slightly more than grouting thickness), is turned up jack piston 5mm, then the slow pine hook decentralization pier stud of loop wheel machine, complete in decentralization process
Process measurement, while jack is adjusted, the amount adjusted every time controls in 1mm.Until deviation is stablized in design error requirement,
Pier stud is i.e. accurately in place at this time, locks jack, grouting material maintenance, while being fixed temporarily Precast Pier Columns using strut, installs
It completes.
A kind of packaged type bridges Precast Pier Columns component installation method of the present invention, by Precast Pier Columns bottom face and cushion cap
Docking label is marked on Precast Pier Columns interface to be installed respectively；And adjusting jack is placed, Precast Pier Columns may be implemented
Dock With Precision Position, then the thickness that pier stud sits slurry is calculated by pre-installation, in the case where replacing or retaining center cushion block, make prefabricated pier
Column is installed to precisely in place in accurate adjusting, sits slurry by pier stud to lock with regard to bit space, to guarantee that Precast Pier Columns can be precisely
Fixed setting is supported adjusting height and verticality mechanical means, tune of the invention only with center cushion block relative to existing
Section mode is more simple and convenient, while guaranteeing that Precast Pier Columns can be fixed precisely.
A kind of packaged type bridges Precast Pier Columns component installation method of the present invention, for the accurate installation and essence for guaranteeing Precast Pier Columns
Degree, it is ensured that and pier stud sits the determination of the grouting thickness of slurry, prevents the excessive or very few grouting slurry being added, Precast Pier Columns peace
Dress using it is pre- it is in place by the way of, primarily determine it is each adjust jack height and be in the milk thickness；
A kind of packaged type bridges Precast Pier Columns component installation method of the present invention is realizing Precast Pier Columns using this method
In the case where accurate installation, installation effectiveness improves 40%, the installation period of Precast Pier Columns is greatly shortened, convenient for the branch of Precast Pier Columns
Shield form promotes and applies, and in bridge construction, building, hydraulic engineering field can obtain extensively sending out practice and application.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (5)
1. a kind of packaged type bridges Precast Pier Columns component installation method, which is characterized in that be accurately assembled in Precast Pier Columns (1) and mention
Before on the cushion cap (2) that has poured, by connection sleeve pre-buried in cushion cap (2) reserved steel bar insertion Precast Pier Columns (1), utilize pressure
Power grouting is attached, comprising steps of
Before Precast Pier Columns (1) are in place, on the bottom face of Precast Pier Columns (1) and the Precast Pier Columns interface to be installed of cushion cap (2)
Docking label is marked respectively；
According to absolute altitude, the placement center cushion block (4) at Precast Pier Columns interface to be installed center；
After hoisting prefabricated pier stud (1) inserts the reserved steel bar (6) on people's cushion cap, Precast Pier Columns (1) bottom face is adjusted, so that prefabricated
Pier stud (1) is aligned one by one with the label that docks of Precast Pier Columns joint face to be installed；
Adjusting is placed with jack (7), loop wheel machine unloads power, transfers on Precast Pier Columns (1) to center cushion block (4)；It utilizes jack (7)
Precast Pier Columns (1) verticality is adjusted until meeting design requirement, is locked jack (7), record jack (7) piston stroke and
Pier stud sits slurry (3) thickness；
Hang Precast Pier Columns (1)；
Installation prepares the grouting template that pier stud sits slurry (3) on cushion cap, sits slurry (3) thickness data preparation grouting according to measurement pier stud
Material pours into seat slurry, and slightly above pier stud sits slurry (3) measurement thickness；
Before formal in place, slurry (3) thickness data is sat according to measurement pier stud and prepares grouting material, the piston 5mm of jack (7) is turned up,
Then loop wheel machine transfers Precast Pier Columns (1), overall process measurement in decentralization process, while adjusting jack (7), the amount control adjusted every time
System is within 1mm, until deviation is stablized in design error requirement, Precast Pier Columns (1) are i.e. accurately in place at this time, locks very heavy
It pushes up (7), perfusion slurry maintenance, while Precast Pier Columns (1) is fixed temporarily using strut, be installed；
It is formal in place: and then loop wheel machine decentralization Precast Pier Columns (1), Precast Pier Columns (1) are accurate in place, lock jack (7), pass through filling
Hole (8) perfusion slurry, maintenance are starched, is installed.
2. a kind of packaged type bridges Precast Pier Columns component installation method according to claim 1, it is characterised in that: described right
The central point that label finds out Precast Pier Columns (1) and Precast Pier Columns joint face to be installed by the way of in cross point is connect, ink is utilized
Bucket pop-up cross hairs.
3. a kind of packaged type bridges Precast Pier Columns component installation method according to claim 1, it is characterised in that: in placement
The thickness of heart cushion block (4) designs top mark height according to pier stud and pier stud prefabricated components length determines.
4. a kind of packaged type bridges Precast Pier Columns component installation method according to claim 1, it is characterised in that: described to put
It sets adjusting jack (7), multiple jack (7) are circumferentially positioned at Precast Pier Columns (1) bottom side by regulating device (5)
Face.
5. a kind of packaged type bridges Precast Pier Columns component installation method according to claim 1, it is characterised in that: the tune
Regulating device (5) includes connection frame (9) and supporting block (10), and the connection frame (9) is mounted on Precast Pier Columns (1) by bolt,
The supporting block (10) is arranged on connection frame (9), and the jack (7) is prefabricated by being coupled support with supporting block (10)
Pier stud (1) adjusts verticality and height.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710357824.8A CN107100078B (en) | 2017-05-19 | 2017-05-19 | A kind of packaged type bridges Precast Pier Columns component installation method |
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| CN201710357824.8A CN107100078B (en) | 2017-05-19 | 2017-05-19 | A kind of packaged type bridges Precast Pier Columns component installation method |
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| CN107100078B true CN107100078B (en) | 2019-01-08 |
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| CN111305082A (en) * | 2020-04-03 | 2020-06-19 | 中铁四局集团有限公司 | Method for mounting capping beam for mutually constraining adjacent pier columns in prefabricated bridge |
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| CN107100078A (en) | 2017-08-29 |
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