CN107044090A - A kind of construction method of dual deck bridge - Google Patents
A kind of construction method of dual deck bridge Download PDFInfo
- Publication number
- CN107044090A CN107044090A CN201710320369.4A CN201710320369A CN107044090A CN 107044090 A CN107044090 A CN 107044090A CN 201710320369 A CN201710320369 A CN 201710320369A CN 107044090 A CN107044090 A CN 107044090A
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- Prior art keywords
- bridge
- upper strata
- support
- bracket
- support beam
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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
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- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of construction method of dual deck bridge, it is related to field of bridge construction, first construction completes lower floor's bridge, then multiple brackets are arranged on lower floor's bridge, upper strata bridge is poured on bracket, then along construction direction movable support bracket, upper strata bridge is poured on bracket, continue to move to bracket and pour upper strata bridge, until pouring the whole upper strata bridge of completion.The construction method of the dual deck bridge of the present invention, quantities is small, takes short, efficiency of construction height.
Description
Technical field
The present invention relates to field of bridge construction, and in particular to a kind of construction method of dual deck bridge.
Background technology
With the development of World Economics, urban land resource day is becoming tight, Urban Bridge traffic increasingly congestion, in order to alleviate
Traffic pressure, the application of dual deck bridge is more and more extensive.In the construction method of dual deck bridge, upper strata bridge and lower floor's bridge
Construction is first prefabricated multiple prefabricated girder segments, is then carried out lifting splicing with loop wheel machine.
The mode quantities of above-mentioned loop wheel machine lifting is larger, it is necessary to expend huge manpower and materials, and time-consuming longer, influence is whole
The efficiency of construction of bridge.
The content of the invention
For defect present in prior art, it is an object of the invention to provide a kind of construction method of dual deck bridge,
Quantities is small, takes short, efficiency of construction height.
To achieve the above objectives, the present invention is adopted the technical scheme that：
A kind of construction method of dual deck bridge, first construction completes lower floor's bridge, then arranges many on lower floor's bridge
Individual bracket, pours upper strata bridge on the bracket, then moves the bracket along construction direction, is poured on the bracket
Layer bridge, continues to move to the bracket and pours upper strata bridge, until pouring the whole upper strata bridge of completion.
On the basis of above-mentioned technical proposal, the construction method of dual deck bridge comprises the following steps：
S1：Construction completes lower floor bridge on all lower floor's bridge piers, and on lower floor's bridge along along bridge to setting extremely
Few four upper strata bridge piers, four upper strata bridge piers be respectively the first upper strata bridge pier, the second upper strata bridge pier, the 3rd upper strata bridge pier and
4th upper strata bridge pier；
S2：Arranged between the first upper strata bridge pier and the second upper strata bridge pier, the second upper strata bridge pier and the 3rd upper strata bridge pier
Multiple brackets, the bracket is placed on lower floor's bridge, and the bracket top is provided with temporary support, and in the 3rd upper layer bridge
Mounting suspension on pier；
S3：The first support beam is set up on the bracket between the first upper strata bridge pier and the second upper strata bridge pier, and
The second support beam is set up between the second upper strata bridge pier and the 3rd upper strata bridge pier, described second support beam one end is erected at bracket
On, the other end is hung on the suspension bracket；
S4：Two side forms are set in the first support beam, and at least partly described side form is set up in second support beam,
The first segment of upper strata bridge is poured in two side forms；
S5：Two side forms are moved in second support beam, some jack are installed in first segment, and use steel
Twisted wire connects first support beam and first segment, while connecting second support beam and first segment with steel strand wires, tears open
Except temporary support, the construction area for pouring upper strata bridge is moved the tray out；
S6：Jack transfers first support beam, with flat car by the first support beam be transported to the 3rd upper strata bridge pier and
Between 4th upper strata bridge pier, and the mounting suspension on the 4th upper strata bridge pier, two suspension brackets by the first support beam be promoted to
Second support beam identical height, bracket is moved to the lower section of the first support beam and the second support beam, and is reinstalled interim
Bearing, makes temporary support be held in first support beam and the second support beam；
S7：The suspension bracket on the 3rd upper strata bridge pier is removed, and two side forms are moved forward into the part side form positioned at institute
State in the first support beam, and pour the second section of upper strata bridge, repeat the above steps, until completing applying for whole upper strata bridge
Work.
On the basis of above-mentioned technical proposal, first support beam is identical with the second support beam structure, described second
Supportting beam includes multiple crossbeams set along direction across bridge and the Bailey beam and bed die along suitable bridge to setting, and the Bailey beam is located at
On all crossbeams, the bed die is in the Bailey beam.
On the basis of above-mentioned technical proposal, the temporary support is sand cylinder.
On the basis of above-mentioned technical proposal, the step of removing the temporary support includes：The sand in sand cylinder is discharged, makes to face
When bearing depart from first support beam and the second support beam.
On the basis of above-mentioned technical proposal, the upper strata bridge pier is a door type structure.
On the basis of above-mentioned technical proposal, the bracket includes four support posts, and all support posts pass through
Some N-type truss are connected, and the temporary support is on the support post.
On the basis of above-mentioned technical proposal, the bracket also includes four suspension columns, and the support post is placed in the post
On pin.
On the basis of above-mentioned technical proposal, in the mobile bracket, jack first is placed in the lower section of the bracket,
Support post described in jack-up, makes the support post be separated with suspension column, then moves the support post.
Compared with prior art, the advantage of the invention is that：
(1) construction method of dual deck bridge of the invention, cast-in-site upper strata bridge, the mode phase with hoisting prefabricated beam
Than quantities is small, time-consuming short, and is constructed using mobile stool, and efficiency of construction is high.
(2) temporary support of the invention is sand cylinder, simple in construction, dismantles and easy to assembly, pole is provided for work progress
Big facility.
(3) bracket of the invention includes four support posts being connected by N-type truss, and portable construction is easily mobile, applies
Work is convenient, and truss structure is firmly, and steadiness is good, makes work progress more safe and reliable.
Brief description of the drawings
Fig. 1 is construction procedure S1~S4 schematic diagrames of dual deck bridge in the embodiment of the present invention；
Fig. 2 is the construction procedure S5 schematic diagrames of dual deck bridge in the embodiment of the present invention；
Fig. 3 is the construction procedure S6 of dual deck bridge in embodiment of the present invention schematic diagram；
Fig. 4 is the construction procedure S7 of dual deck bridge in embodiment of the present invention schematic diagram；
Fig. 5 is sectional views of the Fig. 1 along A-A directions；
Fig. 6 is the structural representation of bracket in the embodiment of the present invention.
In figure：1- lower floors bridge, 2- lower floors bridge pier, 3- upper stratas bridge pier, the first upper stratas of 31- bridge pier, the upper layer bridges of 32- second
Pier, the upper strata bridge piers of 33- the 3rd, the upper strata bridge piers of 34- the 4th, 4- upper stratas bridge, 41- first segments, 42- second sections, 5- brackets,
51- temporary supports, 52- support posts, 53- suspension columns, the support beams of 6- first, 71- crossbeams, 72- Bailey beams, 73- bed dies, 7- second
Support beam, 8- side forms.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
The embodiment of the present invention provides a kind of construction method of dual deck bridge, and first construction completes lower floor's bridge 1, then in lower floor
Multiple brackets 5 are arranged on bridge 1, upper strata bridge 4 is poured on bracket 5, then along construction direction movable support bracket 5, on bracket 5
Upper strata bridge 4 is poured, bracket 5 is continued to move to and pours upper strata bridge 4, until pouring the whole upper strata bridge 4 of completion.
Referring to shown in Fig. 1 to Fig. 4, the construction method of dual deck bridge specifically includes following steps in the embodiment of the present invention：
S1：Construction completes lower floor bridge 1 on all lower floor's bridge piers 2, and on lower floor's bridge 1 along along bridge to setting at least
Four upper strata bridge piers 3, four upper strata bridge piers 3 are respectively the first upper strata bridge pier 31, the second upper strata bridge pier 32, the 3rd upper strata bridge pier 33
With the 4th upper strata bridge pier 34；
S2：The first upper strata bridge pier 31 and the second upper strata bridge pier 32, the second upper strata bridge pier 32 and the 3rd upper strata bridge pier 33 it
Between arrange multiple brackets 5, bracket 5 is placed on lower floor's bridge 1, and the top of bracket 5 is provided with temporary support 51, and on the 3rd upper strata
Mounting suspension on bridge pier 33；
S3：The first support beam 6 is set up on the bracket 5 between the first upper strata bridge pier 31 and the second upper strata bridge pier 32,
And the second support beam 7 is set up between the second upper strata bridge pier 32 and the 3rd upper strata bridge pier 33, the one end of the second support beam 7 is erected at support
On frame 5, the other end is hung on suspension bracket；
S4：Two side forms 8 are set in the first support beam 6, and at least part side form 8 is set up in the second support beam 7, two
The first segment 41 of upper strata bridge 4 is poured in individual side form 8；
S5：Two side forms 8 are moved in the second support beam 7, some jack are installed in first segment 41, and use steel
Twisted wire connects the first support beam 6 and first segment 41, while connecting the second support beam 7 and first segment 11 with steel strand wires, removes
Temporary support 51, bracket 5 is removed the construction area for pouring upper strata bridge 4；
S6：Jack transfers the first support beam 6, and the first support beam 6 is transported into the He of the 3rd upper strata bridge pier 33 with flat car
Between 4th upper strata bridge pier 34, and the mounting suspension on the 4th upper strata bridge pier 34, two suspension brackets by the first support beam 6 be promoted to
The identical of second support beam 7 height, bracket 5 is moved to the lower section of the first support beam 6 and the second support beam 7, and reinstall
Temporary support 51, makes temporary support 51 be held in the first support beam 6 and the second support beam 7；
S7：Remove the suspension bracket on the 3rd upper strata bridge pier 33, and two side forms 8 are moved forward into part side form 8 and be located at the
In one support beam 6, and the second section 42 of upper strata bridge 4 is poured, repeated the above steps, until completing whole upper strata bridge 4
Construction.
In the present embodiment, the first support beam 6 is identical with the structure of the second support beam 7, and the second support beam 7 includes multiple along cross-bridges
Bailey beam 72 from suitable bridge to setting and bed die 73 to the crossbeam 71 and one of setting along, Bailey beam 72 are located on all crossbeams 71,
Bed die 73 is in Bailey beam 72.
Temporary support 51 is sand cylinder, simple in construction, dismantles and easy to assembly, is that work progress is provided a great convenience.
The step of removing temporary support 51 includes：The sand in sand cylinder is discharged, temporary support 51 is departed from the first support beam 6 and the second support
Beam 7.
Shown in Figure 5, upper strata bridge pier 3 is a door type structure.Bracket 5 includes four support posts 52, and all supports are vertical
Post 52 is connected by some N-type truss, and temporary support 51 is on support post 52.Bracket 5 also includes four suspension columns 53, support
Column 52 is placed on suspension column 53.The portable construction of temporary support 51 of the present embodiment, easily mobile, easy construction, and truss structure
Firmly, steadiness is good, makes work progress more safe and reliable.
It is shown in Figure 6, in movable support bracket 5, jack first is placed in the lower section of bracket 5, jack-up support post 52 makes
Support post 52 is separated with suspension column 53, then moves support post 52.
The construction method of the dual deck bridge of the present invention, cast-in-site upper strata bridge 4, compared with the mode of hoisting prefabricated beam,
Quantities is small, time-consuming short, and is constructed using mobile stool 5, and efficiency of construction is high.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (9)
1. a kind of construction method of dual deck bridge, it is characterised in that：First construction completes lower floor's bridge (1), then in the lower floor
Multiple brackets (5) are arranged on bridge (1), upper strata bridge (4) is poured on the bracket (5), then institute is moved along construction direction
Bracket (5) is stated, upper strata bridge (4) is poured on the bracket (5), the bracket (5) is continued to move to and pours upper strata bridge
(4), until pouring the whole upper strata bridge (4) of completion.
2. the construction method of dual deck bridge as claimed in claim 1, it is characterised in that comprise the following steps：
S1：Construction completes lower floor's bridge (1) on all lower floor's bridge piers (2), and on lower floor's bridge (1) along along bridge to setting
At least four upper strata bridge piers (3) are put, four upper strata bridge piers (3) are respectively the first upper strata bridge pier (31), the second upper strata bridge pier
(32), the 3rd upper strata bridge pier (33) and the 4th upper strata bridge pier (34)；
S2：In the first upper strata bridge pier (31) and the second upper strata bridge pier (32), the second upper strata bridge pier (32) and the 3rd upper strata bridge pier
(33) multiple brackets (5) are arranged between, the bracket (5) is placed on lower floor's bridge (1), bracket (5) top is set
It is equipped with temporary support (51), and the mounting suspension on the 3rd upper strata bridge pier (33)；
S3：First is set up on the bracket (5) between the first upper strata bridge pier (31) and the second upper strata bridge pier (32)
Beam (6) is supportted, and the second support beam (7), described second are set up between the second upper strata bridge pier (32) and the 3rd upper strata bridge pier (33)
Support beam (7) one end is erected on bracket (5), and the other end is hung on the suspension bracket；
S4：Two side forms (8) are set in the first support beam (6), and at least partly described side form (8) is set up in second support
On beam (7), the first segment (41) of upper strata bridge (4) is poured in two side forms (8)；
S5：Two side forms (8) are moved on second support beam (7), some jack are installed in first segment (41),
And first support beam (6) and first segment (41) are connected with steel strand wires, while connecting second support beam with steel strand wires
(7) temporary support (51) and first segment (41), is removed, bracket (5) is removed to the construction area for pouring upper strata bridge (4)；
S6：Jack transfers first support beam (6), and the first support beam (6) is transported into the 3rd upper strata bridge pier with flat car
(33) between the 4th upper strata bridge pier (34), and the mounting suspension on the 4th upper strata bridge pier (34), two suspension brackets are by first
Support beam (6) is promoted to the second support beam (7) identical highly, and bracket (5) is moved into the first support beam (6) and second
Support the lower section of beam (7), and reinstall temporary support (51), make temporary support (51) be held in first support beam (6) and
Second support beam (7)；
S7：The suspension bracket on the 3rd upper strata bridge pier (33) is removed, and two side forms (8) are moved forward into the part side form (8)
On first support beam (6), and the second section (42) of upper strata bridge (4) is poured, repeated the above steps, until completing
The construction of whole upper strata bridge (4).
3. the construction method of dual deck bridge as claimed in claim 2, it is characterised in that：First support beam (6) and second
Support beam (7) structure is identical, and second support beam (7) includes multiple crossbeams (71) set along direction across bridge and one along along bridge
To the Bailey beam (72) and bed die (73) of setting, the Bailey beam (72) is on all crossbeams (71), the bed die
(73) in the Bailey beam (72).
4. the construction method of dual deck bridge as claimed in claim 2, it is characterised in that：The temporary support (51) is sand cylinder.
5. the construction method of dual deck bridge as claimed in claim 4, it is characterised in that remove the step of the temporary support (51)
Suddenly include：The sand in sand cylinder is discharged, temporary support (51) is departed from first support beam (6) and the second support beam (7).
6. the construction method of dual deck bridge as claimed in claim 2, it is characterised in that：The upper strata bridge pier (3) is a gate
Structure.
7. the construction method of dual deck bridge as claimed in claim 2, it is characterised in that：The bracket (5) includes four supports
Column (52), all support posts (52) are connected by some N-type truss, and the temporary support (51) is located at the support
On column (52).
8. the construction method of dual deck bridge as claimed in claim 7, it is characterised in that：The bracket (5) also includes four posts
Pin (53), the support post (52) is placed on the suspension column (53).
9. the construction method of dual deck bridge as claimed in claim 8, it is characterised in that：At mobile bracket (5), first exist
Jack is placed in the lower section of the bracket (5), and support post (52) described in jack-up make the support post (52) and suspension column (53)
Separation, then moves the support post (52).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710320369.4A CN107044090B (en) | 2017-05-09 | 2017-05-09 | A kind of construction method of dual deck bridge |
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| CN201710320369.4A CN107044090B (en) | 2017-05-09 | 2017-05-09 | A kind of construction method of dual deck bridge |
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| CN107044090B CN107044090B (en) | 2019-02-15 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108049314A (en) * | 2017-12-12 | 2018-05-18 | 中交公局第二工程有限公司 | A kind of bridge double layer box beam construction method |
| CN108951430A (en) * | 2018-08-31 | 2018-12-07 | 张跃 | A kind of road and bridge in-site installation structure, method and loop wheel machine |
| CN110258334A (en) * | 2019-05-07 | 2019-09-20 | 中交一公局桥隧工程有限公司 | Operation platform and construction method |
| CN110468721A (en) * | 2019-08-29 | 2019-11-19 | 中铁大桥局集团有限公司 | A kind of large span trestle Cantilever Construction Method |
| CN110878525A (en) * | 2019-11-06 | 2020-03-13 | 武船重型工程股份有限公司 | Double-layer steel box girder bridge installation method and combined support for installation |
| CN111455800A (en) * | 2020-03-12 | 2020-07-28 | 中铁大桥局集团有限公司 | Construction method of double-layer double-width bridge with wide top and narrow bottom |
| CN112832136A (en) * | 2021-01-06 | 2021-05-25 | 中铁大桥局集团第四工程有限公司 | Cast-in-place support on beam and fractional local preloading method thereof |
| WO2022156255A1 (en) * | 2021-01-25 | 2022-07-28 | 中建科工集团有限公司 | Double-deck multi-span bridge construction method |
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| CN108049314A (en) * | 2017-12-12 | 2018-05-18 | 中交公局第二工程有限公司 | A kind of bridge double layer box beam construction method |
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| CN111455800B (en) * | 2020-03-12 | 2021-04-27 | 中铁大桥局集团有限公司 | Construction method of double-layer double-width bridge with wide top and narrow bottom |
| CN112832136A (en) * | 2021-01-06 | 2021-05-25 | 中铁大桥局集团第四工程有限公司 | Cast-in-place support on beam and fractional local preloading method thereof |
| WO2022156255A1 (en) * | 2021-01-25 | 2022-07-28 | 中建科工集团有限公司 | Double-deck multi-span bridge construction method |
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