CN106869032A - A kind of bridge bearing platform constructing tie beam method - Google Patents
A kind of bridge bearing platform constructing tie beam method Download PDFInfo
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- CN106869032A CN106869032A CN201710108953.3A CN201710108953A CN106869032A CN 106869032 A CN106869032 A CN 106869032A CN 201710108953 A CN201710108953 A CN 201710108953A CN 106869032 A CN106869032 A CN 106869032A
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- steel
- lifted trunk
- bearing platform
- pipe pile
- binder
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Classifications
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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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
Abstract
The present invention relates to bridge construction technical field, more particularly to a kind of bridge bearing platform constructing tie beam method, its by binder bottom and around set auxiliary steel-pipe pile, after steel lifted trunk base plate and side plate installation, steel lifted trunk carries out cast-in-place construction directly below.The present invention is for marine ultra-large type pier body, the cushion cap of the dumbbell shaped connected especially by binder particularly proves effective, the resistance to overturning of steel lifted trunk is greatly improved, save reinforced concrete drilling pile foundation simultaneously, investment reduction, it uses steel lifted trunk side plate as cushion cap template, can reduce the size of steel lifted trunk, saves construction cost.
Description
Technical field
The present invention relates to bridge construction technical field, more particularly to a kind of bridge bearing platform constructing tie beam method.
Background technology
In the construction of water Bridge, there is the situation of relatively large cushion cap binder between there is large-scale cushion cap.Dalian south shore
Extra large main road engineering star bay bridge spanning the sea circuit design is sufficiently complex, in eastern section access bridge part, all the way westerly to side in main spanning
March forward, circuit experiences three doublings altogether, most at last A, B ring road, four one-way roads of S lines and x-ray merge into it is current double up and down
Layer bridge.S25 piers and No. S26 are just on the node of multi-thread merging, and three piers are existed side by side, the row of main line (S, X) and ring road (A, B)
Lane center spacing infinite tendency, and bridge pier is laterally on same mileage section, is analyzed from amechanical angle, at this
Bridge pier will bear greatly to shear and power of toppling.In order to solve this problem, it is ensured that the stability of bridge structure, designing unit passes through
Multi-argument, finally employs and for two neighbouring cushion caps to be consolidated into a scheme for entirety by binder, and the binder is responsible for firm
Property two cushion caps of connection be an entirety, bottom does not have pile foundation to support, is completely in suspended state, and weigh 120t, and binder is high
It is the 1/2 of cushion cap to spend, and this brings great difficulty all from technological layer to practice of construction.The marine binder of conventional is applied
Work method is prefabricated installation, also needs to be provided with reinforced concrete drilling pile foundation in work progress, time-consuming.
In order to solve the constructing technology problem of the cushion cap, and ensuring cushion cap and constructing tie beam quality and reducing security risk
While, steel lifted trunk construction cost is compressed to greatest extent, there is provided a kind of brand-new cushion cap constructing tie beam method is particularly important.
The content of the invention
(1) technical problem to be solved
The present invention provides a kind of bridge bearing platform constructing tie beam method, is wasted time and energy for solving existing cushion cap constructing tie beam,
The problem that quality, security be not high and construction cost is high.
(2) technical scheme
In order to solve the above-mentioned technical problem, the present invention provides a kind of bridge bearing platform constructing tie beam method, comprises the following steps：
S1, carry out pile foundation of bearing platform construction in the corresponding position of cushion cap；
After the completion of S2, pile foundation of bearing platform construction, the binder corresponding position inserting piling auxiliary steel between cushion cap and cushion cap
Pile tube system, the auxiliary steel-pipe pile system includes being located at middle inner side steel-pipe pile and is symmetrically positioned in the outer of the binder both sides
Side steel-pipe pile, the outside steel-pipe pile is higher than the inner side steel-pipe pile, the inner side steel-pipe pile, for consolidating the binder, institute
Outside steel-pipe pile is stated, for aiding in load-bearing in work progress；
Steel lifted trunk base plate fixing device is installed at S3, the corresponding elevation location on the pile foundation of bearing platform；
S4, the installation steel lifted trunk base plate in the steel lifted trunk base plate fixing device；In the periphery peace of the steel lifted trunk base plate
Steel loading suspension box side sheet, and inside and outside reinforcing is given to the box system that the steel lifted trunk base plate is surrounded with the steel lifted trunk side plate；
After S5, the inside and outside reinforcing of the box system, steel lifted trunk is controlled in the effect of deadweight by hydraulic jack or jack
It is lowered into water；
S6, the steel lifted trunk is transferred into designed elevation after, carry out last positioning and reinforce；
S7, pour cushion cap and binder bottom concrete；
S8, pour cushion cap and binder concrete；
S9, the outside steel-pipe pile for removing the steel lifted trunk side plate and binder both sides.
Wherein, in step S2, after the inner side steel-pipe pile and the contour installation of outside steel-pipe pile, the inner side steel is cut off
Pile tube is to designed elevation so that the outside steel-pipe pile is higher than the inner side steel-pipe pile.
Wherein, perforated in step S3, at the corresponding elevation location on the pile foundation of bearing platform and positioning joist is installed, described
Installation platform part steel lifted trunk bottom joist on positioning joist；It is fixed to be respectively mounted on the outside steel-pipe pile of the binder both sides
Position beam, the axis of the positioning beam is vertical with the axis of the outside steel-pipe pile, and binder is installed between the positioning beam of both sides
Part bottom joist.
Wherein, the top of the top of the pile foundation of bearing platform and the inner side steel-pipe pile passes the steel lifted trunk base plate, institute
The hole between steel lifted trunk base plate and the pile foundation of bearing platform and between the steel lifted trunk base plate and the inner side steel-pipe pile is stated to adopt
Watertight closure is carried out with sheet rubber and keeper plate of steel.
Wherein, the outer wall of the pile foundation of bearing platform is wrapped up in the upper end of the rubber peel, and the lower end of the rubber peel is fitted in institute
State on steel lifted trunk base plate, and be fixed between the steel lifted trunk base plate and the keeper plate of steel by the keeper plate of steel.
Wherein, in step S4, the prefabricated completion of steel lifted trunk side plate, then monoblock lifting is directly installed on the steel lifted trunk
On base plate, the steel lifted trunk base plate is bolted with the steel lifted trunk side plate using angle steel flange.
Wherein, permeable hole is opened up on the steel lifted trunk side plate, to reduce water-head inside and outside the steel lifted trunk.
Wherein, the steel lifted trunk side plate opens up and folding valve is provided with the permeable hole.
Wherein, the auxiliary steel-pipe pile system includes multiple inner side steel-pipe piles and multiple outside steel-pipe piles, many
The individual inner side steel-pipe pile is set into a row, and the multiple described outside steel-pipe pile per side is set into a row.
Wherein, it is the spiral of 8mm that the inner side steel-pipe pile and the outside steel-pipe pile use a diameter of 72cm, and wall thickness
Steel pipe column.
(3) beneficial effect
A kind of bridge bearing platform constructing tie beam method that the present invention is provided, has the characteristics that compared to prior art：
1st, bridge bearing platform construction method of the invention, lead to binder bottom and around set auxiliary steel-pipe pile system, directly
Lower section steel lifted trunk carries out cast-in-place shaping, greatly improves the resistance to overturning of steel lifted trunk, while eliminating reinforced concrete drilling
Pile foundation, has saved investment；
2nd, bridge bearing platform construction method of the invention, cushion cap template is doubled as using steel lifted trunk side plate, reduces steel lifted trunk
Size, has saved construction cost, it is adaptable to on-water bridge bearing platform construction, is particularly suited for connecting by floated binder in profundal zone
The cushion cap for connecing.
Brief description of the drawings
Fig. 1 is the structural representation of existing binder cushion cap；
Structure chart after the completion of the pile foundation of bearing platform construction that Fig. 2 is provided for the present invention；
Structure chart after the completion of the auxiliary steel-pipe pile system construction that Fig. 3~4 provide for the present invention；
Fig. 5 is the structure chart after the completion of the cushion cap part for providing of the invention and the steel lifted trunk bottom joist construction of binder part；
Structure chart after the completion of the steel lifted trunk construction of bottom plates that Fig. 6 is provided for the present invention；
Fig. 7 implements the structure chart that side plate is installed for what the present invention was provided；
Binder suspended deck structure figure after the completion of the bridge bearing platform constructing tie beam that Fig. 8 is provided for the present invention；
In figure, 1：Cushion cap；2：Pile foundation of bearing platform；3：Inner side steel-pipe pile；4：Outside steel-pipe pile；5：Binder；6：Positioning joist；7：
Cushion cap part bottom joist；8：Positioning beam；9：Binder part bottom joist；10：Steel lifted trunk base plate；11：Steel lifted trunk side plate.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give better embodiment of the invention.The preferred embodiments of the present invention are these are only, not thereby limits of the invention special
Sharp scope, equivalent structure or equivalent flow conversion that every utilization description of the invention and accompanying drawing content are made, directly or
Connect and be used in other related technical fields, be included within the scope of the present invention.
Unless otherwise defined, all of technologies and scientific terms used here by the article with belong to technical field of the invention
The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool
The purpose of the implementation method of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more
The arbitrary and all of combination of related Listed Items.
In deep-sea during the substructure of construction bridges, can often be related to size greatly and need to be connected by suspension binder
The many pier shaft cushion caps for connecing, i.e., the structure of binder cushion cap as shown in Figure 1.
The present invention provides a kind of bridge bearing platform constructing tie beam method, is wasted time and energy for solving existing cushion cap constructing tie beam,
The problem that quality, security be not high and construction cost is high.
A kind of bridge bearing platform constructing tie beam method is provided to overcome the shortcomings of existing constructing tie beam, in the embodiment of the present invention,
Comprise the following steps：
S1, carry out pile foundation of bearing platform 2 in the corresponding position of cushion cap 1 and construct；Wherein, the knot after the completion of pile foundation of bearing platform 2 is constructed
Composition is as shown in Figure 2；
After the completion of S2, pile foundation of bearing platform 2 are constructed, the corresponding position inserting piling auxiliary steel of binder 5 between cushion cap 1 and cushion cap 1
Pile tube system, auxiliary steel-pipe pile system includes being located at middle inner side steel-pipe pile 3 and is symmetrically positioned in the outside steel pipe of the both sides of binder 5
Stake 4, inner side steel-pipe pile 3, for consolidating the binder 5 between cushion cap 1 and cushion cap 1, outside steel-pipe pile 4, in work progress
Auxiliary load-bearing；Wherein, the arrangement position of auxiliary steel-pipe pile system is as shown in Figure 3；
Specifically, in installation process, after inner side steel-pipe pile 3 and the contour installation of outside steel-pipe pile 4, cutting off inner side steel-pipe pile
3 to designed elevation so that outside steel-pipe pile 4 is higher than inner side steel-pipe pile；Because inner side steel-pipe pile 3 is to support binder 5, outside
Steel-pipe pile 4 is that, in order to carry out auxiliary load-bearing when being lifted to follow-up steel lifted trunk, outside steel-pipe pile 4 need to be higher than inner side steel-pipe pile
3, therefore, during specific implementation, the steel pipe absolute altitude that need to will be located at the centre of the bottom of binder 5 is truncated；Wherein, by the He of inner side steel-pipe pile 3
Structure chart after the completion of the auxiliary steel-pipe pile system construction of the composition of outside steel-pipe pile 4 is as shown in Figure 4；
Steel lifted trunk base plate fixing device is installed at S3, the corresponding elevation location on pile foundation of bearing platform 2；Specifically, in cushion cap
Perforated at corresponding elevation location in pile foundation 2 and positioning joist 6 is installed, the installation platform part bottom joist 7 on positioning joist 6；
Positioning beam 8 is respectively mounted on the outside steel-pipe pile 5 of the both sides of binder 5, the axis of positioning beam 8 is vertical with the axis of outside steel-pipe pile 4,
Binder part bottom joist 9 is installed between the positioning beam 8 of both sides；Wherein, cushion cap part bottom joist 7 and binder part bottom joist 9 are applied
Structure chart after the completion of work is as shown in Figure 5；
S4, the installation steel lifted trunk base plate 10 on cushion cap part bottom joist 7 and binder part bottom joist 9；In steel lifted trunk base plate
Steel lifted trunk side plate 11 is installed in 10 periphery, and the box system that steel lifted trunk base plate 10 and steel lifted trunk side plate 11 are surrounded is given it is interior,
External reinforcement；Wherein, the structure chart that steel lifted trunk base plate 10 is completed after construction is as shown in Figure 6；The structure chart that steel lifted trunk side plate 11 is installed
As shown in Figure 7；
After the installation of steel lifted trunk base plate 10, hangar system is installed at the top of pile foundation of bearing platform 2, hangar system is by steel hanger
Constituted with fining twisted steel suspension rod；In outside, the top of steel-pipe pile 4 is also provided with hangar system, and being arranged at for the hangar system is held
The hangar system set-up mode at the top of platform pile foundation 2 is identical；By setting hangar system at pile foundation of bearing platform 2, can carry and steel is hung
Case carry out hang operation crane gear or the platform as other operations, at outside steel-pipe pile 4 at the top of hangar system, rise
Heavy equipment can carry certain weight herein, be beneficial to hydraulic jack or jack to the control in steel lifted trunk operation；
After the inside and outside reinforcing of S5, box system, cushion cap part bottom joist 10 is extracted, controlled by hydraulic jack or jack
Steel lifted trunk submerged in the presence of deadweight；
S6, steel lifted trunk is transferred into designed elevation after, carry out last positioning and reinforce；
S7, pour cushion cap and binder bottom concrete；
S8, cushion cap and binder concrete are poured, realize pouring for cushion cap 1 and binder 5；
S9, dismounting steel lifted trunk side plate 11 and the outside steel-pipe pile 5 positioned at the both sides of binder 5, so as to complete applying for binder cushion cap
Work；Wherein, the dumbbell structure figure of cushion cap-binder-cushion cap is as shown in Figure 8 after the completion of construction；
The bridge bearing platform constructing tie beam method that the present invention is provided, is greatly improved by the auxiliary steel-pipe pile below binder
The resistance to overturning of steel lifted trunk, while eliminating reinforced concrete drilling pile foundation, has saved investment.Additionally, this bridge holds
Platform constructing tie beam method doubles as cushion cap template using steel lifted trunk side plate, reduces the size of steel lifted trunk, has saved construction cost.Cause
This, the method for bridge construction is applied to on-water bridge bearing platform construction, is particularly suited for being connected by floated binder in profundal zone
Cushion cap.
Bridge bearing platform constructing tie beam method of the invention, by binder bottom and around set auxiliary steel-pipe pile, directly
The decentralization cast-in-place shaping of steel lifted trunk, is particularly played for marine ultra-large type pier body, especially dumbbell shaped by the cushion cap that binder is connected
Effect.
Support the technology single-wall steel suspended box cofferdam of the invention bridge bearing platform constructing tie beam method.Core technology of the invention is
It is combined by single-wall steel suspended box cofferdam and in the method that auxiliary steel-pipe pile is set up in binder bottom, is ultra-large type suspension binder waterborne
Formula cushion cap provides a kind of brand-new construction method.
In the present embodiment, also include in step S3：
After the installation of cushion cap part box bottom joist 7, repetition measurement is carried out to its plan-position and absolute altitude, it is follow-up to ensure
The precision of construction.
In the present embodiment, steel lifted trunk base plate is the longeron that I10 I-shaped steel mesh piecemeal assembly is welded, and installs steel lifted trunk bottom
Before plate 10, the perforate at correspondence pile foundation of bearing platform hole position on steel lifted trunk base plate 10 is beneficial to pile foundation of bearing platform 2 and passes steel lifted trunk base plate
10；The perforate at the hole position of steel-pipe pile 3 on the inside of correspondence on steel lifted trunk base plate 10, is beneficial to inner side steel-pipe pile 3 and passes steel lifted trunk base plate
10。
In the present embodiment, between steel lifted trunk base plate 10 and pile foundation of bearing platform 2 and steel lifted trunk base plate 10 and inner side steel-pipe pile 3 it
Between hole watertight closure is carried out using sheet rubber and keeper plate of steel.
In the present embodiment, the outer wall of pile foundation of bearing platform is tightly wrapped up in the upper end of rubber peel, and the lower end of rubber peel is fitted in steel and hangs
On bottom plate, and it is fixed between steel lifted trunk base plate and keeper plate of steel by keeper plate of steel, realizes water proof and prevent back cover coagulation
Soil leakage.
In the present embodiment, in step S4, the group on job platform of the size first according to correspondence cushion cap of steel lifted trunk side plate 11
I.e. prefabricated completion is installed into, then monoblock lifting is directly installed on steel lifted trunk base plate 10, steel lifted trunk base plate 10 and steel lifted trunk side
Plate 11 is bolted using angle steel flange.
In the present embodiment, permeable hole is opened up on steel lifted trunk side plate 11, to reduce water-head inside and outside steel lifted trunk.
In the present embodiment, steel lifted trunk side plate 11 opens up and folding valve is provided with the permeable hole, is switched with facilitating.
In the present embodiment, auxiliary steel-pipe pile system includes steel-pipe piles 3 and multiple outside steel-pipe piles 4 on the inside of multiple, multiple interior
Steel-pipe pile 3 one-tenth one row in side are set, and multiple outside steel-pipe pile 4 one-tenth one row of the binder 5 per side are set.Specifically, in the bottom of binder 5
Inner side steel-pipe pile 3 is set to 5, and 4 outside steel-pipe piles are respectively provided with every side in the outside of binder 5.
In the present embodiment, inner side steel-pipe pile 3 and outside steel-pipe pile 4 use a diameter of 72cm, and wall thickness is the spiral of 8mm
Steel pipe column.
In the present embodiment, because the top mark of binder 5 is high than the top mark height 1.5m of cushion cap 1, therefore need to discrepancy in elevation part set every
From steel form, by controlling the slump when casting concrete, arrived with the concrete not channelling for realizing the top half of cushion cap 1
At binder 5.
Bridge bearing platform constructing tie beam method of the invention, after pile foundation of bearing platform construction is completed, removes steel construction drilling flat
Platform.For cushion cap part, perforated on pile foundation of bearing platform and positioning joist and cushion cap part bottom joist are installed, joist and held using positioning
Steel lifted trunk base plate and side plate are installed in the bottom joist load-bearing of platform part, while hangar system is installed at the top of pile foundation of bearing platform, hangar system
It is made up of 4 groups of shaped steel suspension brackets and 16 fining twisted steel suspension rods.For the binder part for suspending, auxiliary steel-pipe pile is beaten in seabed,
Each row in left and right on the outside of the row of binder bottom arrangement one, binder.The steel-pipe pile of binder bottom plays firm effect, binder outside left and right
Steel-pipe pile is mainly used in load-bearing.The auxiliary steel-pipe pile top that both sides are used for load-bearing is also equipped with hangar system, and its set-up mode is same
Hangar system on pile foundation of bearing platform.
Then steel lifted trunk base plate, steel lifted trunk side plate are installed on cushion cap part bottom joist and binder part bottom joist successively,
And take various ways to reinforce whole box system, after installation, extract the positioning joist on pile foundation of bearing platform out, determine
Position beam and bottom joist, are slowly lowered into using the crane gear control steel lifted trunk of jack or jack etc. in the presence of deadweight
Water.After transferring to designed elevation, jack or jack are removed, the shaped steel suspension bracket at top is passed in the deadweight of steel lifted trunk by suspension rod
On, complete first time stress check calculation.Then bottom concrete under water is poured, bottom concrete reaches design strength more than 80%
Afterwards, you can extract box internal water accumulation out, joist under suspension bracket and base plate is removed, completes second conversion of stress system.Cut off top
The pile foundation of bearing platform and steel-pipe pile of superelevation part, chisel out pile crown, carry out bearing platform construction.Cushion cap concreting is completed and the head that constructed
After section pier shaft, steel lifted trunk side plate is removed.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of bridge bearing platform constructing tie beam method, it is characterised in that comprise the following steps：
S1, carry out pile foundation of bearing platform construction in the corresponding position of cushion cap；
After the completion of S2, pile foundation of bearing platform construction, the binder corresponding position inserting piling auxiliary steel-pipe pile between cushion cap and cushion cap
System, the auxiliary steel-pipe pile system includes being located at middle inner side steel-pipe pile and is symmetrically positioned in the outside steel of the binder both sides
Pile tube, the outside steel-pipe pile is higher than the inner side steel-pipe pile, and the inner side steel-pipe pile is described outer for consolidating the binder
Side steel-pipe pile, for aiding in load-bearing in work progress；
Steel lifted trunk base plate fixing device is installed at S3, the corresponding elevation location on the pile foundation of bearing platform；
S4, the installation steel lifted trunk base plate in the steel lifted trunk base plate fixing device；Steel is installed in the periphery of the steel lifted trunk base plate
Suspension box side sheet, and inside and outside reinforcing is given to the box system that the steel lifted trunk base plate is surrounded with the steel lifted trunk side plate；
After S5, the inside and outside reinforcing of the box system, steel lifted trunk is controlled to be sunk in the presence of deadweight by hydraulic jack or jack
In entering water；
S6, the steel lifted trunk is transferred into designed elevation after, carry out last positioning and reinforce；
S7, pour cushion cap and binder bottom concrete；
S8, pour cushion cap and binder concrete；
S9, the outside steel-pipe pile for removing the steel lifted trunk side plate and binder both sides.
2. bridge bearing platform constructing tie beam method according to claim 1, it is characterised in that in step S2, the inner side steel
After pile tube and the contour installation of outside steel-pipe pile, the inner side steel-pipe pile to designed elevation is cut off so that the outside steel pipe
Stake is higher than the inner side steel-pipe pile.
3. bridge bearing platform constructing tie beam method according to claim 1, it is characterised in that in step S3, in the cushion cap
Perforated at corresponding elevation location in pile foundation and positioning joist is installed, the installation platform part steel lifted trunk collet on the positioning joist
Beam；Positioning beam, the axis of the positioning beam and the outside are respectively mounted on the outside steel-pipe pile of the binder both sides
The axis of steel-pipe pile is vertical, and binder part bottom joist is installed between the positioning beam of both sides.
4. bridge bearing platform constructing tie beam method according to claim 3, it is characterised in that the top of the pile foundation of bearing platform and
The top of the inner side steel-pipe pile passes the steel lifted trunk base plate, between the steel lifted trunk base plate and the pile foundation of bearing platform and
Hole between the steel lifted trunk base plate and the inner side steel-pipe pile carries out watertight closure using sheet rubber and keeper plate of steel.
5. bridge bearing platform constructing tie beam method according to claim 4, it is characterised in that the upper end parcel of the rubber peel
The outer wall of the pile foundation of bearing platform, the lower end of the rubber peel is fitted on the steel lifted trunk base plate, and will by the keeper plate of steel
It is fixed between the steel lifted trunk base plate and the keeper plate of steel.
6. bridge bearing platform constructing tie beam method according to claim 1, it is characterised in that in step S4, the steel lifted trunk
The prefabricated completion of side plate, then monoblock lifting is directly installed on the steel lifted trunk base plate, and the steel lifted trunk base plate hangs with the steel
Case side plate is bolted using angle steel flange.
7. bridge bearing platform constructing tie beam method according to claim 6, it is characterised in that opened up on the steel lifted trunk side plate
Permeable hole, to reduce water-head inside and outside the steel lifted trunk.
8. bridge bearing platform constructing tie beam method according to claim 7, it is characterised in that the steel lifted trunk side plate opens up institute
State and be provided with permeable hole folding valve.
9. bridge bearing platform constructing tie beam method according to claim 1, it is characterised in that the auxiliary steel-pipe pile system bag
Multiple inner side steel-pipe piles and multiple outside steel-pipe piles are included, multiple inner side steel-pipe piles are set into a row, per side
Multiple outside steel-pipe piles are set into a row.
10. bridge bearing platform constructing tie beam method according to claim 1, it is characterised in that the inner side steel-pipe pile and institute
Outside steel-pipe pile is stated using a diameter of 72cm, and wall thickness is the spiral steel pipe post of 8mm.
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| CN108999206A (en) * | 2018-07-02 | 2018-12-14 | 中铁大桥勘测设计院集团有限公司 | A kind of construction method of bridge bearing platform |
| CN112030754A (en) * | 2020-08-19 | 2020-12-04 | 中交路桥建设有限公司 | Construction method of steel structure bridge and steel structure bridge |
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| CN108999206A (en) * | 2018-07-02 | 2018-12-14 | 中铁大桥勘测设计院集团有限公司 | A kind of construction method of bridge bearing platform |
| CN112030754A (en) * | 2020-08-19 | 2020-12-04 | 中交路桥建设有限公司 | Construction method of steel structure bridge and steel structure bridge |
| CN113123233A (en) * | 2021-03-03 | 2021-07-16 | 中交二航局第二工程有限公司 | Anchorage design and construction method |
| CN113123233B (en) * | 2021-03-03 | 2022-11-25 | 中交二航局第二工程有限公司 | Anchorage design and construction method |
| CN113202026A (en) * | 2021-04-01 | 2021-08-03 | 中铁六局集团有限公司 | Construction method for tie beam between pier columns |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106869032B (en) | 2018-12-07 |
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