CN106948267B - A kind of memorial archway bar formula bridge cable tower king-post method for synchronously constructing - Google Patents
A kind of memorial archway bar formula bridge cable tower king-post method for synchronously constructing Download PDFInfo
- Publication number
- CN106948267B CN106948267B CN201710241413.2A CN201710241413A CN106948267B CN 106948267 B CN106948267 B CN 106948267B CN 201710241413 A CN201710241413 A CN 201710241413A CN 106948267 B CN106948267 B CN 106948267B
- Authority
- CN
- China
- Prior art keywords
- king
- tower
- post
- construction
- tower column
- 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.)
- Active
Links
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
The present invention provides a kind of memorial archway bar formula bridge cable tower king-post method for synchronously constructing, includes the following steps: 1, installation tower crane；2, major-minor king-post lower section king-post synchronous construction；3, king-tower column changeover portion, Sarasota crossbeam synchronous construction；4, the upper section king-post synchronous construction of the middle section king-post of king-tower column, secondary tower column；5, the upper section king-post construction of king-tower column, the tower top decoration top cap construction of secondary tower column；6, the tower top housing installation of king-tower column, the upper and lower connection beam construction of major-minor king-post.The present invention realizes major-minor king-post, crossbeam synchronous construction by the improvement of tooling device to greatest extent, avoids interfering with each other when the asynchronous construction of king-post, improves the safety of construction, while can significantly reduce construction cost and duration.
Description
Technical field
The present invention relates to technical field of building construction, and in particular to a kind of for the same of memorial archway bar formula bridge cable tower king-post
Walk construction method.
Background technique
Communication is one of chief component of socialist construction, it has developing national economy very heavy
The meaning wanted.Bridge is the important component of the transport developments such as highway, railway, road again.Since reform and opening-up, China
The fast development of politics, economy, cultural undertakings brings the climax of transport development, and suspension bridge, cable-stayed bridge construction are increasing,
Structure type multiplicity.For this purpose, the construction of suspension bridge, Cable-stayed Bridge Pylon becomes increasingly frequently.How suspension bridge, Cable-stayed Bridge Pylon are ensured
The safety of construction, economic rationality, it has also become a key points and difficulties in work progress.Common Sarasota has single tower
The case where column, two king-posts, single Sarasota has four king-posts, is few.
The common construction method of king-post has sliding formwork, overmolded, cantilever form, hydraulic climbing formwork.Sliding formwork, overmolded are at low cost, but apply
The exterior concrete of work is second-rate, and operation platform is simple, and safety is poor；Pass through lower section between hydraulic climbing formwork guide rail and king-post
It is connected with the pre-buried cone shearing resistance external member of climbing of secondary two groups of lower section, while 2 attached walls is set and support support in concrete lateral surface, guide rail forms three
Span continuous beam structure, setting upper mounting plate move back platform, middle platform and hang 4 platform structures of platform, and safety is preferable, but constructs
Cost is very high；Cantilever form is between sliding formwork, overmolded and hydraulic climbing formwork, and safety and economy are relatively preferably.At present
Although the above four kinds of construction methods used are had nothing in common with each other, but all do not consider synchronous construction substantially when pylon tower column construction, especially
It is all asynchronous construction of Sarasota of four king-posts, not only causes construction to interfere, there are security risks, and working procedure increases, and apply
Work is long in time limit.
Summary of the invention
In order to solve the problems, such as to state in background above technology, the present invention makes full use of bar memorial archway formula Sarasota structure special
Point provides a kind of memorial archway bar formula bridge cable tower king-post method for synchronously constructing.
The present invention adopts the following technical scheme:
A kind of memorial archway bar formula bridge cable tower king-post method for synchronously constructing, the memorial archway bar formula bridge cable tower includes Sarasota
Cushion cap, the two king-tower columns and two secondary tower columns for being arranged symmetrically in Sarasota cushion cap both ends, and for connecting two king-tower columns
Sarasota crossbeam and major-minor king-post second line of a couplet binder, major-minor king-post first line of a couplet binder for connecting king-tower column and secondary tower column, synchronous construction
Method includes the following steps:
1) Sarasota cushion cap and tower crane are installed:
Tower crane is arranged on the outside of secondary tower column, buries tower crane part in place, with Sarasota in advance in Sarasota bearing platform construction
Cushion cap concrete pours together, and tower crane is installed after the completion of Sarasota bearing platform construction；
2) the lower section king-post synchronous construction of major and minor king-post:
Cantilever form is installed between tower crane and secondary tower column, derrick support device is installed between major and minor king-post, is carried out
Major and minor king-post synchronous construction；
3) the lower section king-post synchronous construction of king-tower column changeover portion, Sarasota crossbeam and secondary tower column:
After the completion of the lower section king-post construction of major and minor tower, Sarasota cushion cap foundation pit is backfilled, casting concrete hardened ground is set up
Sarasota crossbeam is installed, while promoting cantilever form and derrick support device, the lower section king-post and king-tower column of synchronous construction secondary tower column
Changeover portion；
4) the upper section king-post synchronous construction of the middle section king-post of king-tower column, secondary tower column:
After the completion of the construction of the lower section king-post of king-tower column changeover portion and secondary tower column, cantilever form and derrick support device are promoted,
The middle section king-post of synchronous construction king-tower column and the upper section king-post of secondary tower column；
5) the tower top decoration top cap construction of the upper section king-post of king-tower column, secondary tower column:
After the completion of the upper section king-post construction of secondary tower column, pause secondary tower column construction is removed derrick support device, is leaned in king-tower column
Nearly secondary tower column side installation pole bracket and template, promote the cantilever form of king-tower column, the upper section king-post for king-tower column of successively constructing
Top cap is decorated with the tower top of secondary tower column；
6) the tower top housing installation of king-tower column and the upper and lower connection beam construction of major-minor king-post:
According to the crane capacity of tower crane, the tower top housing of king-tower column is subjected to piecemeal segmental machining, by tower after the completion of manufacture
Lifting to tower top is installed；According to the upper and lower connection beam specific location of main and auxiliary tower, bracket is installed in lower part, first construction master
Connection beam under connection beam on secondary tower, then main and auxiliary tower of constructing.
In step 2, the length of the lower section king-post of major and minor king-post is high from cushion cap top mark up to king-tower column lower end top mark, is promoted
Push up elevation location in lower section king-post to the king-tower column lower end of cantilever form and derrick support device, the major and minor king-post of section construction.
In step 3), the lower section king-post first time synchronous construction of the changeover portion king-post of king-tower column, Sarasota crossbeam and secondary tower column
The above elevation location of chamfering under to Sarasota crossbeam chamber, second of synchronous construction to the above elevation location of cross rail top chamfering；Rope
After the completion of tower construction of beam, the segmented synchronous construction of lower section king-post of king-tower column changeover portion and secondary tower column to king-tower column changeover portion top
Absolute altitude, secondary tower column lower section top mark are high.
In step 4), the middle section king-post length of king-tower column is high from king-tower column changeover portion top mark up to secondary tower column upper section top mark,
The upper section king-post length of secondary tower column is high from secondary tower column lower section top mark up to secondary tower column upper section top mark, according to each construction segmental height
King-post synchronous construction is carried out no more than 4.7m.
In step 5), it is no more than 4.7m according to each construction segmental height, two segments of upper section king-post for king-tower column of constructing
Afterwards, start the tower top decoration top cap of construction secondary tower column, the upper section king-post of king-tower column is constructed high to king-tower column upper section top mark；
Since the tower top decoration top cap of secondary tower column has variable cross-section, using the A-frame for retaining cantilever form, according to structure
Moulding and the segmented construction of changing section, construction are high to secondary tower column tower top decoration top cap top mark.
From the above technical scheme, the invention has the following beneficial effects:
1, it can significantly reduce construction cost and duration
The construct method of adjacent king-post of conventional is asynchronous construction, i.e., behind 1~3 segment of a king-post of first constructing, then
It constructs adjacent king-post segment, such construction method construction period is long.By being optimized to formwork bracing system, by major-minor
Cantilever shuttering support is changed to derrick geometry design between king-post, realizes major-minor king-post synchronous construction, and synchronous construction segment is maximum
Height control is in 4.7m.Such design can accomplish primary 2 promotion, a formwork erection, one-time-concreting king-post segments, to greatest extent
It realizes 2 adjacent king-post synchronous constructions, largely reduces working procedure, reduce construction period and cost.
2, the safety of construction is improved
The construct method of adjacent king-post of conventional is asynchronous construction, i.e., behind 1~3 segment of a king-post of first constructing, then
It constructs adjacent king-post segment, construction is avoided to interfere with each other.But the segment operation of root king-post upper layer can be to phase when such construction method
Adjacent king-post segmental construction causes some potential safety problems.By the optimization to formwork bracing system, accomplishes that adjacent king-post synchronizes and apply
Work avoids interfering with each other when the asynchronous construction of king-post, improves the safety of construction.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of memorial archway bar formula bridge cable tower；
Fig. 2 is tower crane setting and major-minor king-post lower section king-post synchronous construction schematic diagram；
Fig. 3 is the lower section king-post synchronous construction schematic diagram of main king-post changeover portion, Sarasota crossbeam and secondary tower column；
Fig. 4 is the upper section king-post synchronous construction schematic diagram of the middle section king-post of main king-post, secondary tower column；
Fig. 5 is that the upper section king-post of main king-post and the tower top of secondary tower column decorate top cap construction schematic diagram；
Fig. 6 is the tower top housing installation of main king-post, the upper and lower connection beam construction schematic diagram of major-minor king-post；
Fig. 7 is the top view of Fig. 4.
In figure: 1 is the lower section king-post of main king-post, and 2 be main king-post changeover portion, and 3 be the middle section king-post of main king-post, and 4 be king-tower
The upper section king-post of column, 5 be tower top housing, and 6 be the lower section king-post of secondary tower column, and 7 be the upper section king-post of secondary tower column, and 8 be secondary tower column
Tower top decorates top cap, and 9 be Sarasota crossbeam, and 10 be connection beam under main and auxiliary tower column, and 11 be connection beam on main and auxiliary tower column, and 12 hold for Sarasota
Platform, 13 be tower crane, and 14 be derrick support device, and 15 be cantilever form, and 16 be cantilever form A-frame, 17 for backfill ground or
Original ground, h1 are that cushion cap top mark is high, and h2 is that main king-post lower end top mark is high, and h3 is the above position 30cm of chamfering under Sarasota crossbeam chamber
Absolute altitude, h4 are that main king-post changeover portion top mark is high, and h5 is that secondary tower column lower section top mark is high, and h6 is that secondary tower column upper section top mark is high, and h7 is pair
King-post tower top decorates top cap top mark height, and h8 is that main king-post upper section top mark is high, and h9 is housing top mark height at the top of main king-post, and h10 is cross
The above position 30cm of beam top chamfer.
Specific embodiment
A kind of preferred embodiment of the invention is described in detail with reference to the accompanying drawing.
The main bridge of this engineering bridge is (22+82+115+22) m single-tower double-span self-anchored suspension bridge, and structural system is tower beam point
From half floating system；Sarasota direction across bridge each side 1 major and minor king-post.
As shown in Figure 1, the memorial archway bar formula bridge cable tower includes Sarasota cushion cap 12, is arranged symmetrically in Sarasota cushion cap both ends
Two king-tower columns and two secondary tower columns, and Sarasota crossbeam 9 for connecting two king-tower columns and for connect king-tower column with
Major-minor king-post second line of a couplet binder 10, the major-minor king-post first line of a couplet binder 11 of secondary tower column.King-tower column includes the lower section king-post 1 of king-tower column, master
King-post changeover portion 2, the middle section king-post 3 of king-tower column, king-tower column upper section king-post 4 and tower top housing 5.Secondary tower column includes secondary tower column
Lower section king-post 6, secondary tower column upper section king-post 7 and secondary tower column tower top decorate top cap 8.
King-tower pillar height 61.85m, the above 43.35m of bridge floor, secondary tower pillar height 45.1m are cast-in-place C50 reinforced concrete structure；
King-tower column under, in, upper king-post strut and four part of housing form, C50 armored concrete is provided between Sarasota, at the top of lower king-post strut
Structural beams；Secondary tower column is made of upper and lower king-post and 3 part of tower top decorating structure, and lower king-post strut connection is provided between main and auxiliary tower
Beam and upper king-post strut connection beam.The high 9.25m of king-tower lower king-post strut indulges bridge to 4.5~5.5m of width, 1.02~1.2m of wall thickness, direction across bridge
3.1~4m of width, wall thickness 1.5m；King-tower changeover portion section high 11.65m, 1.0~1.2m of wall thickness；The high 36.35m of upper king-post strut in king-tower,
Bridge is indulged to width 4.5m, direction across bridge width 3m；Beam of main tower is having a size of 3.2m(wide) × 3.5m(high), top, bottom plate thickness 0.45m,
Side wall thickness 0.5m；Tower top housing is steel construction, high 6m.The high 22m of secondary tower lower king-post strut indulges bridge to width 3m, direction across bridge width 2m；It is secondary
The high 19m of tower upper king-post strut indulges bridge to width 2.4m, direction across bridge width 2m；The high 4.1m of tower top decorating structure.Main and auxiliary tower upper king-post strut links
Beam length 2.5m, wide 2.4m, high 1.2~1.7m；Lower king-post strut links beam length 2.5m, wide 3m, high 1.2m.H1=24.127m, h2=
33.377m, h3=37.277m, h4=45.027m, h5=46.227m, h6=65.327m, h7=69.227m, h8=79.977m, h9=
85.977m h10=40.927m.
Preparation of construction work include measurement and positioning, construction machinery equipment, material, temporary facility, labour, confide a technological secret,
The preparation of construction of the routine such as pre-job training works.
Steps are as follows for the Specific construction of memorial archway bar formula bridge cable tower king-post method for synchronously constructing:
1, tower crane is installed
Referring to fig. 2.Select 6013 type tower cranes 13, maximum lifting weight 6t.The setting of tower crane 13 is in 6 outside of secondary tower column, tower crane
The requirement that the distance between 13 and secondary tower column 6 will meet derrick support device installation, be promoted.When Sarasota cushion cap 12 is constructed by tower
It hangs 13 basic parts to bury in place in advance, be poured together with cushion cap concrete.Tower crane 3 is installed after the completion of Sarasota bearing platform construction.
2, the lower section king-post synchronous construction of major-minor king-post
Referring to fig. 2, Fig. 7.Adjacent major-minor king-post distance is 2~2.5m.Formwork bracing system uses cantilever form 15, and right
Cantilever form optimizes, and cantilever shuttering support between major-minor king-post is changed to derrick support device 14, realizes major-minor
King-post synchronous construction, synchronous construction segment maximum height control within 4.7m.Cantilever form 15 and derrick support device 14 into
Row safety calculates, meet the requirements can processing and fabricating, installation of marching into the arena, the summary of detailed calculating process.
Height difference between h1~h2 is 9.25m, point 2 segmental constructions.After tower crane 13 is installed, cantilever form is first installed
15 and its derrick support device 14, the lower section king-post 1 for major-minor king-post of constructing, 6 first segments.After the completion of first segment construction, mention
Cantilever form and derrick support device are risen, the lower section king-post of major-minor king-post of constructing to the position absolute altitude h2=33.377.Reinforcement fabrication peace
Dress, template assembly, filling concrete are conventional construction, and concrete is pumped into mould using automotive pump.
3, the lower section king-post synchronous construction of king-tower column changeover portion, Sarasota crossbeam and secondary tower column
Referring to Fig. 3.After the completion of the lower section king-post construction of major-minor king-post, 12 foundation pit of Sarasota cushion cap is backfilled, 10~15cm is poured
C20 concrete hardening ground, set up Sarasota crossbeam 9, using bowl fastening type full framing, reinforcing bar and template system be installed, it is inside and outside
Template is all made of wooden model.Cantilever form and derrick support device are promoted simultaneously, and the lower section king-post 6 and king-tower column mistake of secondary tower column are installed
2 reinforcing bar of section and template system are crossed, changeover portion variable cross-section section is constructed using reservation pole bracket and platform, template using wooden model.Branch
Frame and template system detailed security, which calculate, to be omited.
The lower section king-post 6 and king-tower column changeover portion 2 first time synchronous construction of Sarasota crossbeam 9 and secondary tower column to absolute altitude h3=
The position 37.277m, second of synchronous construction to absolute altitude h10=40.927m；After the completion of Sarasota crossbeam 9 is constructed, king-tower column changeover portion 2
With the segmented synchronous construction of lower section king-post 6 of secondary tower column, but elevation control is respectively absolute altitude h4=45.027m, h5=46.277m.
Sarasota crossbeam removes lower part after carrying out tension of prestressed tendon, mud jacking, sealing off and covering anchorage under the premise of concrete strength meets design requirement
Bracket.
Reinforcement fabrication installation, template assembly, filling concrete are conventional construction, and concrete is pumped into using automotive pump
Mould.
4, the upper section king-post synchronous construction of the middle section king-post of king-tower column, secondary tower column
Referring to fig. 4.After the completion of the construction of the lower section king-post 6 of king-tower column changeover portion 2 and secondary tower column, cantilever form and derrick are promoted
Support device, construct the middle section king-post 3 of king-tower column and the upper section king-post 7 of secondary tower column.According to the middle section king-post absolute altitude h4 of king-tower column
~h6 height difference is 20.3m and upper section king-post absolute altitude h5~h6 height difference of secondary tower column is 19.1m, point 5 segments, according to each construction
Segmental height is no more than 4.7m to carry out king-post synchronous construction.
Reinforcement fabrication installation, template assembly, filling concrete are conventional construction, and concrete is pumped into using automotive pump
Mould.
5, the upper section king-post construction of king-tower column, the tower top decoration top cap construction of secondary tower column
Referring to Fig. 5.After the completion of the upper section king-post construction of secondary tower column, derrick support device is removed in pause secondary tower column construction,
King-tower column installs pole bracket and template close to secondary tower column side.King-tower column cantilever form 15 is promoted, according to each construction segment
Height 4.5m constructs behind 4 two segments of upper section king-post of king-tower column, constructs in king-tower column to the position absolute altitude h6+9m=74.327m,
Start the tower top decoration top cap 8 of construction secondary tower column.The upper section king-post 4 of king-tower column continues point 2 segmental constructions to tower top concrete
Structural elevation h8=79.977m.Pre-buried good tower top built-in fitting is paid attention to when construction.
Since the tower top decoration top cap 8 of secondary tower column has variable cross-section and moulding, using reservation cantilever form A-frame 16, mould
Plate is constructed using wooden model, according to 4 segmental constructions of structural modeling and changing section point, construction to top cap absolute altitude h7=
69.227m。
Reinforcement fabrication installation, template assembly, filling concrete are conventional construction, and concrete is pumped into using automotive pump
Mould.
6, the tower top housing installation of king-tower column, the upper and lower connection beam construction of major-minor king-post.
Referring to Fig. 6.According to the crane capacity of tower crane 13, king-tower column tower top housing 5 is subjected to piecemeal segmental machining, manufacture,
Maximum segment weight is no more than 5t.It is installed by the lifting of tower crane 13 to tower top.Meanwhile according to connection beam 10 above and below main and auxiliary tower,
11 specific locations are equipped with the bracket that I-steel assembly is welded, installation template construction connection beam, major-minor of first constructing in lower part
Connection beam 10 under connection beam 11 on tower, then main and auxiliary tower of constructing.
For bracket using self-control steel truss as linking beam support system, bracket is by pre-buried bracket, transverse distribution beam and indulges
It is formed to distribution beam.Bracket is triangle, and bracket is made of brace, stringer and built-in fitting.Each component concrete specification and size are logical
It crosses safety and calculates determination: each 2 brackets in main and auxiliary tower side, upper linking beam bracket spacing is 1.8m, and lower linking beam bracket spacing is
1.8m；Bracket brace be 2 [28a channel steel, setting angle be 40 °, bracket stringer be 2 [28a channel steels；Bracket brace and stringer with
Major-minor tower body built-in fitting is using welding, brace and bracket stringer using welding；Transverse distribution beam is I25a I-steel, spacing
50cm；Longitudinal distribution beam is [8 channel steels, spacing 30cm；[14a channel steel lateral connection is used between each truss.Built-in fitting uses certainly
Steel member processed, and suitably reinforce tower body reinforcing bar at this, it is connected by welding manner, welding position uses welding by both sides, and by sewing
Plate carrys out reinforced welding intensity.Using 20mm thick steel plate, U-shaped φ 32mm screw-thread steel is welded on the steel plate as dowel, lateral arrangement 3
Row, reinforcing bar and steel plate position use welding by both sides, and reinforcing bar is embedded in tower body length >=70cm at the steel plate back side, and with tower body steel bar welding
It connects.φ 50mmPVC pipe is buried in tower body concrete, A type node location is arranged 2 φ 32mm essences and pricks screw-thread steel to drawing, and sets
Set double nut.Detailed security calculating process is omited.
By the improvement of tooling device, major-minor king-post, crossbeam synchronous construction are realized to greatest extent, avoids king-post asynchronous
Interfering with each other when construction improves the safety of construction, while can significantly reduce construction cost and duration.
Embodiment described above is only that preferred embodiments of the present invention will be described, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made, should fall within the scope of protection determined by the claims of the present invention.
Claims (6)
1. a kind of memorial archway bar formula bridge cable tower king-post method for synchronously constructing, the memorial archway bar formula bridge cable tower includes that Sarasota is held
Platform, the two king-tower columns and two secondary tower columns for being arranged symmetrically in Sarasota cushion cap both ends, and the rope for connecting two king-tower columns
Tower crossbeam and major-minor king-post second line of a couplet binder, major-minor king-post first line of a couplet binder for connecting king-tower column and secondary tower column, which is characterized in that
Method for synchronously constructing includes the following steps:
1) Sarasota cushion cap and tower crane are installed:
Tower crane is arranged on the outside of secondary tower column, buries tower crane part in place, with Sarasota cushion cap in advance in Sarasota bearing platform construction
Concrete pours together, and tower crane is installed after the completion of Sarasota bearing platform construction；
2) the lower section king-post synchronous construction of major and minor king-post:
Cantilever form is installed between tower crane and secondary tower column, derrick support device is installed between king-tower column and secondary tower column, is carried out
Major and minor king-post synchronous construction；
3) the lower section king-post synchronous construction of king-tower column changeover portion, Sarasota crossbeam and secondary tower column:
After the completion of the lower section king-post construction of major and minor tower, Sarasota cushion cap foundation pit is backfilled, casting concrete hardened ground sets up installation
Sarasota crossbeam, while cantilever form and derrick support device are promoted, the lower section king-post of synchronous construction secondary tower column and king-tower column transition
Section；
4) the upper section king-post synchronous construction of the middle section king-post of king-tower column, secondary tower column:
After the completion of the construction of the lower section king-post of king-tower column changeover portion and secondary tower column, cantilever form and derrick support device are promoted, it is synchronous
The middle section king-post of construction king-tower column and the upper section king-post of secondary tower column；
5) the tower top decoration top cap construction of the upper section king-post of king-tower column, secondary tower column:
After the completion of the upper section king-post construction of secondary tower column, pause secondary tower column construction removes derrick support device, in king-tower column close to secondary
Pole bracket and template are installed in king-post side, promote the cantilever form of king-tower column, the upper section king-post and pair of king-tower column of successively constructing
The tower top of king-post decorates top cap；
6) the tower top housing installation of king-tower column and the upper and lower connection beam construction of major-minor king-post:
According to the crane capacity of tower crane, the tower top housing of king-tower column is subjected to piecemeal segmental machining, is hung after the completion of manufacture by tower crane
Tower top is filled to be installed；According to the upper and lower connection beam specific location of main and auxiliary tower, bracket is installed in lower part, main and auxiliary tower of first constructing
Connection beam under upper connection beam, then main and auxiliary tower of constructing.
2. memorial archway bar formula bridge cable tower king-post method for synchronously constructing according to claim 1, which is characterized in that step 2)
In, the length of the lower section king-post of major and minor king-post is high from cushion cap top mark up to king-tower column lower end top mark, promotes cantilever form and derrick
Push up elevation location in lower section king-post to the king-tower column lower end of support device, the major and minor king-post of section construction.
3. memorial archway bar formula bridge cable tower king-post method for synchronously constructing according to claim 1, which is characterized in that step 3)
In, the lower section king-post first time synchronous construction of the changeover portion king-post of king-tower column, Sarasota crossbeam and secondary tower column to Sarasota crossbeam chamber
The lower above elevation location of chamfering, second of synchronous construction to the above elevation location of cross rail top chamfering；Sarasota construction of beam is completed
Afterwards, under the segmented synchronous construction of the lower section king-post of king-tower column changeover portion and secondary tower column to king-tower column changeover portion top mark height, secondary tower column
Duan Dingbiao high.
4. memorial archway bar formula bridge cable tower king-post method for synchronously constructing according to claim 1, which is characterized in that step 4)
In, the middle section king-post length of king-tower column is high from king-tower column changeover portion top mark up to secondary tower column upper section top mark, the upper section tower of secondary tower column
Column length is high from secondary tower column lower section top mark up to secondary tower column upper section top mark, according to each construction segmental height be no more than 4.7m come into
Row king-post synchronous construction.
5. memorial archway bar formula bridge cable tower king-post method for synchronously constructing according to claim 1, which is characterized in that step 5)
In, it is no more than 4.7m according to each construction segmental height, behind two segments of upper section king-post of king-tower column of constructing, starts secondary tower of constructing
The tower top of column decorates top cap, and the upper section king-post of king-tower column is constructed high to king-tower column upper section top mark.
6. memorial archway bar formula bridge cable tower king-post method for synchronously constructing according to claim 5, which is characterized in that due to pair
The tower top decoration top cap of king-post has variable cross-section, using the A-frame for retaining cantilever form, according to structural modeling and changes of section
The segmented construction of situation, construction are high to secondary tower column tower top decoration top cap top mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710241413.2A CN106948267B (en) | 2017-04-13 | 2017-04-13 | A kind of memorial archway bar formula bridge cable tower king-post method for synchronously constructing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710241413.2A CN106948267B (en) | 2017-04-13 | 2017-04-13 | A kind of memorial archway bar formula bridge cable tower king-post method for synchronously constructing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106948267A CN106948267A (en) | 2017-07-14 |
| CN106948267B true CN106948267B (en) | 2019-05-14 |
Family
ID=59476117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710241413.2A Active CN106948267B (en) | 2017-04-13 | 2017-04-13 | A kind of memorial archway bar formula bridge cable tower king-post method for synchronously constructing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106948267B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675626A (en) * | 2017-09-05 | 2018-02-09 | 中交二航局第四工程有限公司 | Skin function concrete king-post and crossbeam synchronization pouring construction method |
| CN109989350A (en) * | 2019-03-26 | 2019-07-09 | 中铁七局集团有限公司 | A kind of bridge Sarasota construction method |
| CN115341472B (en) * | 2022-08-04 | 2023-04-07 | 中铁四局集团有限公司 | Construction method for lower cross beam of main tower of highway-railway dual-purpose river-crossing A-type cable-stayed bridge |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005036468A (en) * | 2003-07-18 | 2005-02-10 | Sumitomo Mitsui Construction Co Ltd | Bridge construction method |
| CN101457514A (en) * | 2008-12-31 | 2009-06-17 | 广东省基础工程公司 | Cable stayed bridge construction method |
| CN101914897A (en) * | 2010-07-30 | 2010-12-15 | 中铁四局集团有限公司 | Construction method of single main cable inclined suspender ground anchor type suspension bridge |
| CN102286930A (en) * | 2011-09-09 | 2011-12-21 | 中铁五局集团建筑工程有限责任公司 | Construction method of cable-stayed bridge |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100876074B1 (en) * | 2008-09-22 | 2008-12-26 | (주) 코리아에스이 | Main towers of cable stayed girder bridge and the construction method |
-
2017
- 2017-04-13 CN CN201710241413.2A patent/CN106948267B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005036468A (en) * | 2003-07-18 | 2005-02-10 | Sumitomo Mitsui Construction Co Ltd | Bridge construction method |
| CN101457514A (en) * | 2008-12-31 | 2009-06-17 | 广东省基础工程公司 | Cable stayed bridge construction method |
| CN101914897A (en) * | 2010-07-30 | 2010-12-15 | 中铁四局集团有限公司 | Construction method of single main cable inclined suspender ground anchor type suspension bridge |
| CN102286930A (en) * | 2011-09-09 | 2011-12-21 | 中铁五局集团建筑工程有限责任公司 | Construction method of cable-stayed bridge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106948267A (en) | 2017-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106337686B (en) | Three layers of subway station canopy structure of rocky stratum tunneling and construction method | |
| CN104746435B (en) | A kind of construction method of great-angle Y type pier stud | |
| CN106351670B (en) | A kind of closed pre support tunnel structure | |
| CN106702910A (en) | Main girder construction process for extradosed cable-stayed bridge with double towers and double cable planes | |
| CN101761092B (en) | Construction method of movable side wall of large overall template of large-span deep foundation pit | |
| CN107905114B (en) | A kind of construction method of large span Successive interference cancellation | |
| CN103850363B (en) | Prefabricated through hole assembly type reinforced concrete shear wall and construction method of prefabricated through hole assembly type reinforced concrete shear wall | |
| CN204729099U (en) | Rock quality layer tunneling three layers of subway station canopy structure | |
| CN105201532B (en) | The Ring Cutting construction method of underground Long span spherical crown shape dome under weak surrounding rock | |
| CN105256812B (en) | Foundation ditch prefabricated assembled concrete supporting construction and its construction method | |
| CN103924525B (en) | Urban interchange industrialization short-term precast assembly construction method | |
| CN104631512A (en) | Post-cast strip beam and slab construction method adopting formwork hanging method | |
| CN205503146U (en) | Novel supporting construction of shallow tunnel suitable for city sensitizing range | |
| CN108561156B (en) | Separated tunnel arch-changing supporting structure and construction method thereof | |
| CN106948267B (en) | A kind of memorial archway bar formula bridge cable tower king-post method for synchronously constructing | |
| CN111520145B (en) | Underground excavation tunnel primary support slope adjusting and arch changing construction method | |
| CN102230313A (en) | Bridge thin-wall hollow-pier chain block hoisting operation platform and construction method thereof | |
| CN210086295U (en) | Compound assembled underground structure | |
| CN106012851A (en) | Synchronous construction method of steel box girder and concrete pier studs | |
| CN106049289A (en) | Construction method for transforming Bailey beam temporary bridge into reinforced concrete combined permanent bridge | |
| KR20070115112A (en) | Construction method for utility-pipe conduit | |
| CN107794945B (en) | Movable assembly type template mounting and dismounting operation system and construction method thereof | |
| CN112012763B (en) | Construction method of double-layer primary support multi-arch tunnel structure | |
| CN106284097B (en) | The installation method that pier K is supportted on a kind of tubular arch bridge arch | |
| CN102828506A (en) | Ultra-deep large-section square support pile and construction method thereof |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |