CN106120573A - Multispan cable-carried arch bridge self-balancing button over strait hangs construction method - Google Patents
Multispan cable-carried arch bridge self-balancing button over strait hangs construction method Download PDFInfo
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- CN106120573A CN106120573A CN201610511565.5A CN201610511565A CN106120573A CN 106120573 A CN106120573 A CN 106120573A CN 201610511565 A CN201610511565 A CN 201610511565A CN 106120573 A CN106120573 A CN 106120573A
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- arch rib
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- rope
- rib section
- hangs
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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
- E01D21/10—Cantilevered erection
- E01D21/105—Balanced cantilevered erection
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Abstract
The invention discloses multispan cable-carried arch bridge self-balancing button over strait and hang construction method, belong to bridge technical field.The invention provides multispan cable-carried arch bridge self-balancing button over strait and hang construction method, the advantage that the method not only inherits Inclined cable-stayed mounting technique, the shortcoming also overcoming Inclined cable-stayed mounting technique, eliminate anchorage cable materials, decrease large-scale temporary engineering amount, also expand the construction surface that bridge is installed, it is two to construct across simultaneously across even three by original same expansion across symmetrical cantilever, on the premise of ensureing construction quality, improve work efficiency, shorten the engineering time, accelerating construction progress is served decisive role, and greatly reduce construction cost, it is applicable to the construction of multispan large bridge.
Description
Technical field
The present invention relates to bridge method and technology field, more particularly, it relates to multispan cable-carried arch bridge self-balancing over strait
Button hangs construction method.
Background technology
Along with China railways, expressway construction project increasing, build long-span arch bridge, the demand of Multi-arch bridge
Also get more and more.At present, bridge construction construction method is mainly Support Method, construction by swing and stayed knotting method.Engineering construction
Unit typically can according to residing for the real needs of engineering construction project and engineering geographical environment use corresponding construction method or
It is to improve existing construction method, but the cost that traditional construction method puts into is big, and limited by the landform of job site, construction
Face is less.
Certain engineering project is for building a multispan cable-carried arch bridge over strait, and the main spanning of this engineering gets over sea, and whole bridge is with main span
Centered by symmetrical structure, steel construction arch rib is the CFST X-type arch of introversion 9 degree, and local climate inclement condition, strong wind weather are many, to executing
The technology of work requires that height also has certain requirement simultaneously to the construction period.
Use the most relatively conventional stayed knotting method that steel arch bridge is installed, not only need substantial amounts of steel strand wires as anchor cable,
And need powerful rear anchor, put into the biggest.And build multispan cable-carried arch bridge and there is also techniques below difficult point: multispan CFST X-type arch
The arch rib of bridge Deformation control difficulty when welding is big；The arch rib of multispan cable-carried arch bridge and bridge deck are the most due to joints,
Linearly, corresponding point height process control difficulty is big；Ground group is to narrow in the marine construction site building island.Existing multispan cable-carried arch bridge
Using and detain hanging installation technique thereof by cross, this mounting technique is long in time limit.
Summary of the invention
1. invention to solve the technical problem that
It is an object of the invention to overcome deficiency of the prior art, it is provided that multispan cable-carried arch bridge self-balancing button over strait is hung
Construction method, the method not only inherits the advantage of Inclined cable-stayed mounting technique, also overcomes lacking of Inclined cable-stayed mounting technique
Point, eliminates anchorage cable materials, decreases large-scale temporary engineering amount, has also expanded the construction surface that bridge is installed, by original same across
It is two to construct across simultaneously across even three that symmetrical cantilever is expanded, and improves work efficiency, shortens the engineering time, to accelerate to construct into
Degree serves decisive role, and greatly reduces construction cost, it is adaptable to the construction of multispan large bridge.
2. technical scheme
For reaching above-mentioned purpose, the technical scheme that the present invention provides is:
The multispan cable-carried arch bridge self-balancing button over strait of the present invention hangs construction method, comprises the following steps:
One, the secondary end bay arch rib between 38# pier and 39# pier divides four sections of employings to buckle the installation of extension method, wherein arch rib section C2+C3+
C4, C5+C6 and in utilize Self-balancing symmetrical cantilever, across arch rib section Z2 in secondary end bay arch rib section C2+C3+C4 correspondence across corresponding sections
+ Z3+Z4, across arch rib section Z5+Z6 in secondary end bay arch rib section C5+C6 correspondence；
38# pier, 39# pier, 40# pier and 41# pier are provided with button tower, and described button tower arranges three Layer assignment beams altogether, and tower top sets
Twice pressure Tasso, pylon arranges tail rope along bridge to both sides, and tail rope one end hangs on the button anchor beam of button tower, and the other end hangs over and faces
Time anchor point on, secondary end bay arch rib section C2+C3+C4 install, crane stands in inside arch springing, and the arch rib that assembly welding is qualified is transported to hoisting area
Territory, unloads and turns, and slings in place, and arch rib section C2+C3+C4 lower end is connected with arch springing by code plate, and group butt welded seam is also installed high-strength
Bolt, off-the-shelf knotted rope one end is penetrated button point by arch rib section C2+C3+C4 upper end, and the other end is connected with button anchor beam, detains anchor beam
Corresponding end end opening arranges hanger, is hung on anchor point by steel wire rope temporarily, when knotted rope stress, tightens up tail rope simultaneously, makes tower
Frame keeps balance, it is achieved crane and knotted rope stress check calculation, hangs both sides cable wind rope, measurement and positioning, meets drawing requirement, extraction hook
Head, in order to prevent knotted rope, anchor cable steel strand wires from getting loose in the case of wind shakes, adds limiting plate at anchor plate rear portion and fixes, prevent intermediate plate
Come off；
Two, 39# pier homonymy correspondence section installation, crane is around 39# pier opposite side, across arch rib section Z2+Z3+ in installation
Z4, lifts in place inside the arch rib section of crane station, arch rib section Z2+Z3+Z4 lower end group butt welded seam also installs high-strength bolt, arch rib section Z2
Knotted rope is installed in+Z3+Z4 upper end, and knotted rope other end button is suspended to corresponding secondary end bay and buckles the other end i.e. tail rope top of anchor beam, button
Rope progressively stress, crane gradually unloads, the complete stress of knotted rope, and corresponding time end bay knotted rope stress approximation, and whole button hanging body system reaches
This tail rope is removed after self-balancing；
Three, secondary end bay arch rib section C5+C6 lifting, crane stands between C5, C6, and the lifting of this arch rib section is in place, arch rib section C5+
C6 lower end group butt welded seam, arch rib section C5+C6 upper end carries out button and hangs operation, and hangs interim cable wind rope, and the other end of button anchor beam is hung
Tail rope；
Four, installing across 3 arch rib sections Z5+Z6 in, between Standing position of a crane Z5, Z6, the lifting of this arch rib section is in place, arch rib section Z5+
Z6 lower end group butt welded seam, arch rib section Z5+Z6 upper end carries out button and hangs operation, and hangs lateral cable wind rope, and it is right that the other end of knotted rope is hung
That answers buckles anchor beam one end i.e. tail rope top, keeps button hanging body system self-balancing, removes tail rope.Suspension rod position under arch rib simultaneously
The bridge floor longeron that placement location is corresponding, and be connected with arch rib, increase button and hang system stability.
Further improve as the present invention, utilize finite element analysis software MIDAS CIVIL to whole implementation process
Establish mechanical model, each operating mode of each construction stage has been carried out the mechanical analysis of precision.
Further improve as the present invention, utilize digital computer simulation three-dimensional modeling, be accurately positioned button point, anchor
Point, arch rib and button tower etc..
3. beneficial effect
Use the technical scheme that the present invention provides, compared with prior art, there is following remarkable result:
(1) the multispan cable-carried arch bridge self-balancing button over strait of the present invention hangs construction method, utilizes two arches in same button tower both sides
Rib sections similar weight, uses arch rib self-balancing button to hang and installs adjacent two arch ribs, accelerating construction progress simultaneously.
(2) the multispan cable-carried arch bridge self-balancing button over strait of the present invention hangs construction method, in installation process, first uses tail rope
Keeping on one side, when installing another side later, after keeping self-balancing, replace tail rope with knotted rope, this is that arch rib is installed without support
Button hangs tail rope and knotted rope stress system switch technology.
(3) the multispan cable-carried arch bridge self-balancing button over strait of the present invention hangs construction method, inherits Inclined cable-stayed mounting technique
Advantage, the shortcoming overcoming Inclined cable-stayed mounting technique, eliminate anchorage cable materials, decrease quantities, reduce and be constructed into
This.
(4) the multispan cable-carried arch bridge self-balancing button over strait of the present invention hangs construction method, utilizes finite element analysis software MIDAS
CIVIL establishes mechanical model to whole implementation process, and each operating mode of each construction stage has carried out the mechanical analysis of precision,
The quality safety of engineering is effectively ensured.
(5) the multispan cable-carried arch bridge self-balancing button over strait of the present invention hangs construction method, utilizes digital computer simulation three-dimensional
Modeling, makes button point, anchor point, arch rib and button tower etc. are accurately positioned, and construction quality has ensured, and before engineering construction just
It has been determined that the quantity of good required steel strand, greatly reduce the waste of material, reduce construction cost.
(6) the multispan cable-carried arch bridge self-balancing button over strait of the present invention hangs construction method, breaks through multispan cable-carried arch bridge and detains by cross
Hanging installation technique thereof, makes multispan arch rib be mounted simultaneously for as reality, and work surface has original same expansion across symmetrical cantilever to be two across very
Constructing across simultaneously to three, improve work efficiency, shorten the engineering time on the premise of ensureing construction quality, reduction is constructed into
This, serve decisive role to accelerating construction progress.
Accompanying drawing explanation
Fig. 1 is that the multispan cable-carried arch bridge self-balancing button over strait of the present invention hangs the structural representation of arch bridge in construction method；
Fig. 2 is that the multispan cable-carried arch bridge self-balancing button over strait of the present invention hangs time end bay arch rib C2+C3+C4 in construction method
Scheme of installation；
Fig. 3 is the peace during the multispan cable-carried arch bridge self-balancing button over strait of the present invention is hung in construction method across arch rib Z2+Z3+Z4
Dress schematic diagram；
Fig. 4 is that the multispan cable-carried arch bridge self-balancing button over strait of the present invention hangs the peace of time end bay arch rib C5+C6 in construction method
Dress schematic diagram；
Fig. 5 is the installation during the multispan cable-carried arch bridge self-balancing button over strait of the present invention is hung in construction method across arch rib Z5+Z6
Schematic diagram.
Label declaration in schematic diagram:
1, end bay；2, secondary end bay；3, in across；4, button tower；5,38# pier；6,39# pier；7,40# pier；8,41# pier；9, pressure tower
Rope；10, tail rope；11, knotted rope；12, button point；13, code plate；14, weld seam；15, anchor point；16, arch rib section C2+C3+C4；17, arch
Rib section Z2+Z3+Z4；18, arch rib section C5+C6；19, arch rib section Z5+Z6.
Detailed description of the invention
For further appreciating that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
As it is shown in figure 1, the arch bridge structure that the multispan cable-carried arch bridge self-balancing button over strait of the present invention hangs construction method applicable is
Five bridging arch structure forms, be divided into end bay 1, secondary end bay 2 and in across 3.Middle three holes are half-through, and end bay 1 is tied for deck type
Structure.Five across between set up four piers, respectively 38# pier 5,39# pier 6,40# pier 7,41# pier 8 successively.The most secondary end bay 2 arch rib and
In across 3 arch ribs use multispan cable-carried arch bridge self-balancing buttons over strait hang construction method install, concrete installation steps are as follows:
One as in figure 2 it is shown, secondary end bay 2 arch rib between 38# pier 5 and 39# pier 6 divides four sections of employings to buckle the installation of extension method.Wherein
Arch rib section C2+C3+C416, C5+C618 and in utilize Self-balancing symmetrical cantilever across 3 corresponding sections.Secondary end bay 2 arch rib section C2+C3+
Across 3 arch rib sections Z2+Z3+Z417 in C416 correspondence, across 3 arch rib sections Z5+Z619 in secondary end bay 2 arch rib section C5+C618 correspondence.
38# pier 5,39# pier 6,40# pier 7 and 41# pier 8 are respectively arranged with button tower 4, and described button tower 4 arranges three Layer assignment altogether
Beam, tower top sets twice pressure Tasso 9, and pylon arranges tail rope 10 along bridge to both sides, and tail rope 10 one end hangs over the button anchor beam of button tower 4
On, the other end hangs on interim anchor point 15.Secondary end bay 2 arch rib section C2+C3+C416 is installed, and crane stands in inside arch springing, and assembly welding closes
The arch rib of lattice is transported to lift region, unloads and turns, slings in place, and arch rib section C2+C3+C416 lower end is by code plate 13 with arch springing even
Connecing, group butt welded seam 14 also installs high-strength bolt, and off-the-shelf knotted rope 11 one end is penetrated button by arch rib section C2+C3+C416 upper end
Point 12, the other end is connected with button anchor beam, and button anchor beam corresponding end end opening arranges hanger, hangs on anchor point 15 by steel wire rope temporarily,
When knotted rope 11 stress, tighten up tail rope 10 simultaneously, make pylon keep balance, it is achieved crane and knotted rope 11 stress check calculation, hang
Both sides cable wind rope, measurement and positioning, meet drawing requirement, extract gib head.In order to prevent knotted rope 11, anchor cable steel strand wires from shaking situation at wind
Under get loose, add limiting plate at anchor plate rear portion and fix, prevent intermediate plate from coming off.
Two as it is shown on figure 3,39# pier 6 homonymy correspondence section installation, and crane is around 39# pier 6 opposite side, across 3 in installation
Arch rib section Z2+Z3+Z417, lifts in place inside the arch rib section of crane station, arch rib section Z2+Z3+Z417 lower end group butt welded seam 14 is also pacified
Dress high-strength bolt, arch rib section Z2+Z3+Z417 upper end installation knotted rope 11, knotted rope 11 other end button is suspended to the secondary end bay 2 of correspondence and buckles anchor
The other end of beam i.e. tail rope 10 top, knotted rope 11 progressively stress, crane gradually unloads, the complete stress of knotted rope 11, with corresponding time
End bay 2 knotted rope 11 stress approximates, and this tail rope 10 is removed after reaching self-balancing by whole button hanging body system.
Three, as shown in Figure 4, secondary end bay 2 arch rib section C5+C618 lifts, and crane stands between C5, C6, and this arch rib section lifts
In place, arch rib section C5+C618 lower end group butt welded seam 14, arch rib section C5+C618 upper end carries out button and hangs operation, and hangs interim guy
Rope, the other end of button anchor beam hangs tail rope 10.
Four as it is shown in figure 5, in across 3 arch rib sections Z5+Z6 install, between Standing position of a crane Z5, Z6, this arch rib section lifting in place,
Arch rib section Z5+Z619 lower end group butt welded seam 14, arch rib section Z5+Z619 upper end carries out button and hangs operation, and hangs lateral cable wind rope, button
The other end of rope 11 is hung and corresponding is buckled anchor beam one end i.e. tail rope 10 top.Keep button hanging body system self-balancing, remove tail rope
10.Under arch rib, boom location places corresponding bridge floor longeron simultaneously, and is connected with arch rib, increases button and hangs system stability.
Secondary end bay 2 arch rib on 40# pier 7 with in the most executed as described above across the corresponding sections of 3 arch ribs, tail rope 10 and knotted rope
The material of 11 is steel wire rope.
Before construction, first with finite element analysis software MIDAS CIVIL, whole implementation process is established mechanics
Model, has carried out the mechanical analysis of precision, and has utilized digital computer simulation three-dimensional to build each operating mode of each construction stage
Mould, makes button point 12, anchor point 15, arch rib and button tower 4 etc. are accurately positioned, and construction quality has ensured, and in engineering construction
Before just it has been determined that the quantity of good required steel strand, greatly reduce the waste of material, reduce construction cost and determine and uses material quantity.
In work progress, constantly measure arch rib and corresponding point elevation, adjust in time, prevent qualitative problems of construction and cause and return
Work.
Schematically being described the present invention and embodiment thereof above, this description does not has restricted, institute in accompanying drawing
Show is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area
Art personnel enlightened by it, in the case of without departing from the invention objective, designs and this technical scheme without creative
Similar frame mode and embodiment, all should belong to protection scope of the present invention.
Claims (3)
- Multispan cable-carried arch bridge self-balancing button the most over strait hangs construction method, it is characterised in that comprise the following steps:One, secondary end bay (2) arch rib between 38# pier (5) and 39# pier (6) divides four sections of employings to buckle the installation of extension method, wherein arch rib section C2 + C3+C4 (16), C5+C6 (18) and in utilize Self-balancing symmetrical cantilever, secondary end bay (2) arch rib section C2+C3+ across (3) corresponding sections Across 3 arch rib sections Z5 in (3) arch rib section Z2+Z3+Z4 (17), secondary end bay (2) arch rib section C5+C6 (18) correspondence in C4 (16) correspondence +Z6(19)；38# pier (5), 39# pier (6), 40# pier (7) and 41# pier (8) are respectively arranged with button tower (4), and described button tower (4) is arranged altogether Three Layer assignment beams, tower top sets twice pressure Tasso (9), and pylon arranges tail rope (10) along bridge to both sides, and tail rope (10) one end hangs On the button anchor beam of button tower (4), the other end hangs on interim anchor point (15), and secondary end bay (2) arch rib section C2+C3+C4 (16) is installed, Crane stands in inside arch springing, and the arch rib that assembly welding is qualified is transported to lift region, unloads and turns, slings in place, arch rib section C2+C3+C4 (16) lower end is connected with arch springing by code plate (13), and group butt welded seam (14) also installs high-strength bolt, arch rib section C2+C3+C4 (16) Off-the-shelf knotted rope (11) one end is penetrated button point (12) by upper end, and the other end is connected with button anchor beam, detains anchor beam corresponding end end opening Hanger is set, hangs on anchor point (15) by steel wire rope temporarily, when knotted rope (11) stress, tighten up tail rope (10) simultaneously, make Pylon keeps balance, it is achieved crane and knotted rope (11) stress check calculation, hangs both sides cable wind rope, measurement and positioning, meets drawing requirement, Extract gib head, in order to prevent knotted rope (11), anchor cable steel strand wires from getting loose in the case of wind shakes, add limiting plate at anchor plate rear portion solid Fixed, prevent intermediate plate from coming off；Two, 39# pier (6) homonymy correspondence section installation, crane is around 39# pier (6) opposite side, across (3) arch rib section Z2+ in installation Z3+Z4 (17), lifts in place inside the arch rib section of crane station, height is also installed in arch rib section Z2+Z3+Z4 (17) lower end group butt welded seam (14) Strength bolt, arch rib section Z2+Z3+Z4 (17) upper end installation knotted rope (11), knotted rope (11) other end button is suspended to the secondary end bay (2) of correspondence The other end i.e. tail rope (10) top of button anchor beam, knotted rope (11) progressively stress, crane gradually unloads, and knotted rope (11) is subject to completely Power, and corresponding time end bay (2) knotted rope (11) stress approximation, this tail rope (10) is removed after reaching self-balancing by whole button hanging body system；Three, secondary end bay 2 arch rib section C5+C6 (18) lifting, crane stands between C5, C6, and the lifting of this arch rib section is in place, arch rib section C5 + C6 (18) lower end group butt welded seam (14), arch rib section C5+C6 (18) upper end carries out button and hangs operation, and hang interim cable wind rope, detains anchor The other end of beam hangs tail rope (10)；Four, installing across arch rib section Z5+Z6 (19) in, between Standing position of a crane Z5, Z6, the lifting of this arch rib section is in place, arch rib section Z5+Z6 (19) lower end group butt welded seam (14), arch rib section Z5+Z6 (19) upper end carries out button and hangs operation, and hangs lateral cable wind rope, knotted rope (11) the other end is hung and corresponding is buckled anchor beam one end i.e. tail rope (10) top, keeps button hanging body system self-balancing, removes balance Rope (10), under arch rib, boom location places corresponding bridge floor longeron simultaneously, and is connected with arch rib, increases button and hangs stable system Property.
- Multispan cable-carried arch bridge self-balancing button over strait the most according to claim 1 hangs construction method, it is characterised in that: utilize and have Limit unit software for calculation MIDAS CIVIL establishes mechanical model to whole implementation process, enters each operating mode of each construction stage Gone precision mechanical analysis.
- Multispan cable-carried arch bridge self-balancing button over strait the most according to claim 2 hangs construction method, it is characterised in that: utilize meter Calculation machine digital simulation three-dimensional modeling, is accurately positioned button point (12), anchor point (15), arch rib and button tower (4) etc..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610511565.5A CN106120573B (en) | 2016-06-30 | 2016-06-30 | Multispan cable-carried arch bridge self-balancing button over strait hangs construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610511565.5A CN106120573B (en) | 2016-06-30 | 2016-06-30 | Multispan cable-carried arch bridge self-balancing button over strait hangs construction method |
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| CN106120573A true CN106120573A (en) | 2016-11-16 |
| CN106120573B CN106120573B (en) | 2018-03-16 |
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| CN108239937A (en) * | 2017-09-14 | 2018-07-03 | 贵州桥梁建设集团有限责任公司 | Arch bridge tower frame self-balance control method |
| WO2020177353A1 (en) * | 2019-03-07 | 2020-09-10 | 湖南大学 | Arch structure for extra-large span steel-uhpc combined truss arch bridge and construction method therefor |
| CN115030052A (en) * | 2022-07-15 | 2022-09-09 | 广西大学 | Rapid safe construction and intelligent monitoring control method for continuous arch bridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108239937A (en) * | 2017-09-14 | 2018-07-03 | 贵州桥梁建设集团有限责任公司 | Arch bridge tower frame self-balance control method |
| WO2020177353A1 (en) * | 2019-03-07 | 2020-09-10 | 湖南大学 | Arch structure for extra-large span steel-uhpc combined truss arch bridge and construction method therefor |
| CN115030052A (en) * | 2022-07-15 | 2022-09-09 | 广西大学 | Rapid safe construction and intelligent monitoring control method for continuous arch bridge |
| CN115030052B (en) * | 2022-07-15 | 2023-02-28 | 广西大学 | Rapid safe construction and intelligent monitoring control method for continuous arch bridge |
| WO2024011653A1 (en) * | 2022-07-15 | 2024-01-18 | 广西大学 | Method for fast and safe construction and intelligent monitoring and control of continuous arch bridge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106120573B (en) | 2018-03-16 |
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