CN106592406B - Through tied arch bridge and its construction method - Google Patents
Through tied arch bridge and its construction method Download PDFInfo
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- CN106592406B CN106592406B CN201611257261.7A CN201611257261A CN106592406B CN 106592406 B CN106592406 B CN 106592406B CN 201611257261 A CN201611257261 A CN 201611257261A CN 106592406 B CN106592406 B CN 106592406B
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- arch rib
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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
- E01D4/00—Arch-type bridges
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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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Abstract
The invention discloses a kind of through tied arch bridge and its construction method, the arch bridge is made up of two monolithic arch rib units, and monolithic arch rib unit includes arch rib and binder, and suspension rod is provided between arch rib and binder；Two arch ribs are connected as a single entity by stull, and two binders are connected as a single entity by crossbeam, and floorings are set up on crossbeam, and arch rib is formed by rib-lifting section linking, and binder is formed by the linking of binder section, and arc rib-lifting section is correspondingly arranged with binder section；Stull is formed by the linking of two stull sections, and two stull sections correspond to be connected on the arch rib of two monolithic arch rib units respectively, and crossbeam is formed by the linking of two crossbeam sections, and two crossbeam sections correspond to be connected on the binder of two monolithic arch rib units respectively.Present invention only requires be attached every group of crossbeam section and every group of stull section in bridge location job site, the erection operation of bridge main body can be completed, construction period can effectively be shortened, fund input is reduced, especially suitable for the bridge construction across important river course or important line.
Description
Technical field
The present invention relates to highway and municipal bridge technology, more particularly, to a kind of crossing river channel or the base-supporting tie-rod of cross-line
Arch bridge, the invention further relates to the construction method of the bowstring arch bridge.
Background technology
Through tied arch bridge, which will encircle, to be combined with two kinds of structures of beam, common bearing load, give full play to beam by it is curved,
Encircle the compound action being pressurized, thus lower bearing arch bridge is that one of bridge type is commonly used in cross a river or cross-line newly building bridge.
The construction method of existing through tied arch bridge mainly includes rack construction method, construction by swing and cantilever-construction
Three kinds of methods, the key problem of above-mentioned three kinds of construction methods are the construction problems for solving arch rib.Rack construction method is in river course
Erection bracket is constructed, and is simple to operate the advantages of this method, there is the construction platform for being available for operation in work progress；But
The long construction period of this method, have a strong impact on the navigation in river course；According to limited bracket, support collides with passing ships, deposits
In potential safety hazard.Construction by swing is a kind of construction party for carrying out cast-in-place or prefabricated arch rib by design altitude using landform and support
Method, arch rib is closed up arching in work progress vertically or the horizontal vertical pivot rotation to around skewback bottom.The construction method is not
Need to set up support, work high above the ground is converted into land operation, not only ensure construction safety and construction quality, and be easy to control
Construct really, reduce interference of the construction to river course or intersecting roads, but this method needs large-scale tumbler, increase
Fund input, and the control of tumbler is relatively complicated.Cantilever-construction is to carry out horizontal transport work by cable crane,
Arch ring section is vertically sling and installed, segmentation installation is carried out using cantilever truss, arch ring is closed up, finally carry out suspension rod
Installation, tensioning and floorings construction；This method needs to set tower crane（That is cable hoisting device）, increase fund input.Above-mentioned three
Kind construction method all has long construction period, needs to set temporary facility（Such as support, tumbler or cable device）, to existing
Execution conditions require high, it is impossible to make full use of existing bridge, the shortcomings of cost is high.
The content of the invention
It is an object of the invention in view of the above-mentioned drawbacks of the prior art, providing a kind of through tied arch bridge, originally
Invention also provides the construction method of the bowstring arch bridge.The bowstring arch bridge constructing operation of the present invention is simple, short construction period, and engineering is whole
Body low cost, the engineering time is short at bridge location, especially suitable for the bridge construction across important river course or important line.
To achieve the above object, the present invention takes following technical proposals：
Through tied arch bridge of the present invention, including spaced bridge pier, pontic is placed with the bridge pier,
The pontic is made up of the identical two monolithic arch rib units being arranged side by side of structure, and the monolithic arch rib unit includes domed knot
The arch rib of structure and the binder being connected horizontally between the arch rib two-end-point, the longitudinally spaced setting between the arch rib and binder
There is propping steeve；The arch rib of two monolithic arch rib units is connected as a single entity by the stull being horizontally spaced about, two monolithic arch rib units
Binder be connected as a single entity by the crossbeam being horizontally spaced about, be provided with floorings in the crossbeam restocking, the arch rib is by multiple
Arc rib-lifting section is connected successively to be formed, and the binder is connected successively by multiple horizontally disposed binder sections to be formed, the arc
Shape rib-lifting section and the binder section correspond setting up and down, positioned at arch rib end two arc rib-lifting sections respectively with position
It is connected as a single entity in the binder section of binder end；
The stull is formed by two length identical stull section linkings, and two stull sections correspond to be connected respectively
On the arch rib of two monolithic arch rib units, the crossbeam is formed by two length identical crossbeam section linkings, two
The crossbeam section corresponds to be connected on the binder of two monolithic arch rib units respectively.
The construction method of through tied arch bridge of the present invention specifically includes following steps：
At the bridge location yet to be built of river course two sides or both sides of the road there is existing bridge in side, the cast in situs at bridge location yet to be built
Two bridge piers, the rib-lifting section of prefabrication, binder section, stull section and crossbeam section are transported to job site；
Step（2）：Multiple assembled moulding beds and multiple assembled pedestals, assembled moulding bed are spaced apart on vacant lot at the construction field (site)
Correspond and place with assembled pedestal, a binder section is placed with each assembled moulding bed, to multiple systems on assembled moulding bed
Girder segment carries out assembly successively；
A rib-lifting section is placed with each assembled pedestal, multiple rib-lifting sections are spelled successively on assembled pedestal
Dress, when rib-lifting section is steel box structure or concrete filled steel tube, the faying face per two neighboring rib-lifting section passes through welding
It is connected as a single entity, when rib-lifting section uses reinforced concrete structure, the faying face per two neighboring rib-lifting section passes through wet seam
It is connected as a single entity, is then integrated at the both ends of arch rib with the assembly of corresponding binder end respectively；
After the completion for the treatment of arch rib and binder assembly, assembled stull section is spaced on arch rib, assembled crossbeam is spaced on binder
Section, after the completion for the treatment of stull section and binder section assembling, interval anchors the propping steeve between binder and arch rib, and will
Propping steeve initial tensioning is to designing Suo Li, you can completes the prefabricated of monolithic arch rib unit；
Step（3）：After the completion for the treatment of that monolithic arch rib unit is prefabricated, above-mentioned steps（2）In an assembled tire being often correspondingly arranged
Frame and an assembled pedestal form an assembling support, on the monolithic arch rib unit positioned at two neighboring assembling support gap location
Protective stent is set；
Step（4）：Using loop wheel machine by above-mentioned steps（3）In monolithic arch rib unit be lifted to vertical state from the sleeping state of lying
After be transported on self-traveling module transportation vehicle；To increase transportation stability, the crossbeam section opening position at binder both ends is assembled
One outside horizontal-extending interim crossbeam, assembled one of the stull section opening position at arch rib both ends are outwards horizontal-extending
False stull, the interim crossbeam and false stull being correspondingly arranged are fixedly connected with by the first interim drag-line, the horizontal stroke of monolithic arch rib unit
Support section and crossbeam section are fixedly connected with by the second interim drag-line, and the second interim drag-line is symmetrical arranged with the first interim drag-line；
Step（5）：After first, second interim drag-line installation, start self-traveling module transportation vehicle and pass through existing bridge
Afterwards, monolithic arch rib unit is moved at bridge location yet to be built by self-traveling module transportation vehicle along the direction parallel to river course or road；
Step（6）：Repeat the above steps（2）~step（5）With self-traveling module transportation vehicle by another monolithic arch rib list
Member is transferred at bridge location yet to be built, and two monolithic arch rib units are symmetrically placed；
Step（7）：Self-traveling module transportation vehicle below two monolithic arch rib units is moved respectively by two monolithic arch rib units
Transfer on bridge pier, the position of two monolithic arch rib units is adjusted by self-traveling module transportation vehicle, treats two monolithic arch rib units just
Behind position, the arch springing built-in fitting on two monolithic arch rib unit arch ribs is fixedly connected with the erection support on bridge pier respectively, finally will be certainly
Line module transportation vehicle is removed, and realizes the erection operation of two monolithic arch rib units；
Step（8）：After the completion for the treatment of that two monolithic arch rib units are set up, the stull section of setting will be corresponded on two arch ribs respectively
Section linking is integrated, and completes the assembly of stull, is respectively integrated one-to-one two crossbeams section linking on two binders, is completed
The assembly of crossbeam；
After treating crossbeam and stull assembly, according to requiring to adjust the internal force of the propping steeve into bridge, then using hanging
The floorings are erected on crossbeam by machine, finally remove first, second interim drag-line, protective stent, false stull and interim
Crossbeam, Cheng Qiao are open to traffic.
The step（2）In assembled moulding bed and assembled pedestal be welded by upper strata steel plate and lower floor's shaped steel.
The step（3）In protective stent be the frame structure formed by the linking of four channel-section steels.
Compared with existing through tied arch bridge and its construction method, through tied arch bridge of the present invention and its construction method
With advantages below：
（1）The bowstring arch bridge of the present invention uses factory-made component, and the job site by bank or road is directly carried out
The integral assembling of two monolithic arch rib units, then passes through existing bridge transportation to bridge location yet to be built using self-traveling module transportation vehicle
On bridge pier, only need every group of crossbeam section and every group of stull section being attached in bridge location job site, bridge can be completed
The construction of agent structure, avoids high-altitude from constructing, and effectively shortens construction period, reduces fund input, good in economic efficiency；Two monolithics encircle
The assembly of rib unit uses horizontal assembly, reduces work high above the ground.
（2）Bridge pier at bridge location yet to be built is molded for cast in situs, it is not necessary to occupied ground in addition, reduces engineering and integrally makes
Valency.
（3）Monolithic arch rib unit is in processing transit zone precast assembly, mechanization degree height, and then the work for reducing worker is strong
Degree, it is ensured that construction quality, while reduce influence of the environmental factor to construction operation；The two monolithic arch rib units that precast assembly is completed
It can complete to set up operation in one day, greatly shorten the engineering time at bridge location yet to be built, on opening the navigation or air flight or being open to traffic almost without influence,
Ensure ship or vehicle pass-through safety, the bridge construction being particularly suitable for use in across important river course or important line.
（4）In work progress, protective stent is used to support monolithic arch rib unit, it is ensured that transportation stability.
（5）First, second interim drag-line on two monolithic arch rib units is used to ensure that first, second arch rib unit is transporting
And the lateral stability in erection operation.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is Fig. 1 overlooking the structure diagram.
Fig. 3~15 are the structural representations of through tied arch bridge construction method of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, through tied arch bridge of the present invention, including spaced bridge pier 1, in the bridge
Pontic is placed with pier 1, the pontic is made up of the identical two monolithic arch rib units being arranged side by side of structure, the monolithic arch rib
The binder 3 that unit includes the arch rib 2 of domed structure and is connected horizontally between the two-end-point of arch rib 2, in the He of arch rib 2
It is longitudinally spaced between binder 3 to be provided with propping steeve 4；The arch rib 2 of two monolithic arch rib units passes through the stull 5 that is horizontally spaced about
It is connected as a single entity, the binder 3 of two monolithic arch rib units is connected as a single entity by the crossbeam 6 being horizontally spaced about, in the restocking of crossbeam 6
Provided with floorings, the arch rib 2 is connected successively by five arc rib-lifting sections to be formed, and the binder 3 is horizontally disposed by five
Binder section is connected successively to be formed, and the arc rib-lifting section corresponds setting up and down with the binder section（Certainly, according to
It is actually needed, the section number of arc rib-lifting section and binder section can also be other numerical value）, two arcs positioned at the end of arch rib 2
Shape rib-lifting section positioned at the binder section of the end of binder 3 respectively with being connected as a single entity；
As shown in figure 15, stull 5 is connected by two length identical stull sections 5.1 and formed, and two stull sections 5.1 are right respectively
It should be connected on the arch rib 2 of two monolithic arch rib units, crossbeam 6 is connected by two length identical crossbeam sections 6.1 to be formed, and two is horizontal
Girder segment 6.1 corresponds to be connected on the binder 3 of two monolithic arch rib units respectively.
The construction method of through tied arch bridge of the present invention specifically includes following steps：
Step（1）：At the bridge location yet to be built in river course 7 there is existing bridge 8 in upstream or downstream position, in the two sides of river course 7
Bridge location yet to be built at cast in situs bridge pier 1, processing, transit zone 9 are set on the vacant lot between existing bridge 8 and bridge location yet to be built,
Specifically as shown in figure 3, the rib-lifting section of prefabrication, binder section, stull section 5.1 and crossbeam section 6.1 are transported into institute
State processing, transit zone 9；
Step（2）：Five assembled moulding beds 10 and five assembled bases are arranged at intervals on the vacant lot in the processing, transit zone 9
Seat 11, assembled moulding bed 10 and assembled pedestal 11 are welded by upper strata steel plate and lower floor's shaped steel, the upper plane of assembled pedestal 11
For arcuate structure, the upper plane of assembled moulding bed 10 is square structure, and assembled moulding bed 10 and assembled pedestal 11, which correspond, to be set, tool
Body is as shown in Figure 4；
A binder section is placed with each assembled moulding bed 10, five binder sections are entered successively on assembled moulding bed 10
Row is assembled；A rib-lifting section is placed with each assembled pedestal 11, five rib-lifting sections are entered successively on assembled pedestal 11
Row is assembled, and during practice of construction, rib-lifting section can use steel box structure or concrete filled steel tube, now every two neighboring arch rib
The faying face weldering of section is connected as a single entity, and is needed rib-lifting section faying face and joint edge before welding along in the range of 30mm~50mm
Iron rust, oxide skin, oily water are distinguished except totally, groove face is suitable using abrasive machine polishing, to ensure quality of weld seam molding, are used
Full-automatic welding dolly is welded；Certainly, rib-lifting section can also use reinforced concrete structure, now two neighboring arch rib
The faying face of section is connected as a single entity by wet seam；
The both ends of arch rib 2 are integrated with the one end assembly of binder 3 of corresponding placement respectively, then on arch rib 2 between
Every assembled stull section 5.1, assembled crossbeam section 6.1 is spaced on binder 3, treats that stull section 5.1 and binder section assembling are complete
Cheng Hou, is spaced anchorage support suspension rod 4 between binder 3 and arch rib 2, and by the initial tensioning of propping steeve 4 to designing Suo Li, you can it is complete
Into the prefabricated of monolithic arch rib unit, specifically as shown in Figure 5, Figure 6, wherein Fig. 6 is Fig. 5 lateral cross section structural representation；
Step（3）：After the completion for the treatment of that monolithic arch rib unit is prefabricated, above-mentioned steps（2）In an assembled tire being often correspondingly arranged
Frame 10 and an assembled pedestal 11 form an assembling support, in the monolithic arch rib unit positioned at adjacent two assembling supports gap location
On be provided with protective stent 12, protective stent 12 is the frame structure formed that is connected successively by four channel-section steels, for ensuring monolithic
Stability of the arch rib unit in transporting and setting up operation, is provided with hanger in the arch rib 2 of unit arch rib unit, is easy to lift by crane,
Specifically as shown in Figure 7, Figure 8, wherein Fig. 8 is Fig. 7 lateral cross section structural representation；
Step（4）：Using loop wheel machine 13 by above-mentioned steps（3）In monolithic arch rib unit be lifted to vertical shape from the sleeping state of lying
It is transported to after state on self-traveling module transportation vehicle 14, it is specific as shown in Figure 9；To increase transportation stability, the horizontal stroke at the both ends of binder 3
The opening position of girder segment 6.1 installs outwards horizontal-extending interim crossbeam 15 respectively, in the position of stull section 5.1 at the both ends of arch rib 2
The outside horizontal-extending false stull 16 of installation, the interim crossbeam 15 and false stull 16 being correspondingly arranged face by first respectively at place
When drag-line 17.1 be fixedly connected with, the crossbeam section 6.1 and stull section 5.1 of monolithic arch rib unit inside pass through the second interim drag-line
17.2 are fixedly connected with, and first, second interim drag-line 17.1,17.2 is symmetrical arranged, and the both ends of the first interim drag-line 17.1 are respectively with facing
When crossbeam 15, the anchor connection of false stull 16, the both ends of the second interim drag-line 17.2 crossbeam section with monolithic arch rib unit respectively
Section 6.1, the anchor connection of stull section 5.1, specifically as shown in Figure 10, Figure 11, wherein Figure 11 is Figure 10 overlooking the structure diagram；
Step（5）：After the first, second interim drag-line 17.1,17.2 installations, start the self-traveling module fortune
After defeated car 14 is by the existing bridge 8, self-traveling module transportation vehicle 14 is moved to along the direction parallel to river course 7 and treats bridge construction
It is specific as shown in figure 12 at position；
Step（6）：Repeat the above steps（2）~step（5）With self-traveling module transportation vehicle 14 by another monolithic arch rib
Unit is transferred at bridge location yet to be built, and two monolithic arch rib units are symmetrically placed, specific as shown in figure 13；
Step（7）：Self-traveling module transportation vehicle 14 below two monolithic arch rib units is moved respectively by two monolithic arch rib lists
Member is transferred on bridge pier 1, and the position of two monolithic arch rib units is adjusted by self-traveling module transportation vehicle 14, treats two monolithic arch rib lists
After member is in place, the arch springing built-in fitting on two monolithic arch rib unit arch ribs 2 is fixedly connected with the erection support on bridge pier 1 respectively, most
Self-traveling module transportation vehicle 14 is removed afterwards, you can the erection operation of two monolithic arch rib units is realized, it is specific such as Figure 14, Tu15Suo
Show, Figure 14 is mounting structure schematic diagram of the monolithic arch rib unit at bridge pier 1, and Figure 15 is that monolithic arch rib unit sets up operation completion
Structural representation afterwards；
Step（8）：After the completion for the treatment of that two monolithic arch rib units are set up, the stull of setting will be corresponded on two arch ribs 2 respectively
The linking of section 5.1 is integrated, and completes the assembly of the stull 5；Respectively by one-to-one two crossbeams section 6.1 on two binders 3
Linking is integrated, and completes the assembly of the crossbeam 6, when using welding technique weldering to be connected as a single entity between rib-lifting section, is often corresponded to
The two stull sections 5.1 set are connected as a single entity using welding technique, and two be often correspondingly arranged crossbeam section 6.1 is using welding skill
Art is connected as a single entity；When rib-lifting section is connected as a single entity by wet seam, two stull sections 5.1 being often correspondingly arranged are connect by wet
Seam is connected as a single entity, and two be often correspondingly arranged crossbeam section 6.1 is connected as a single entity by wet seam；Treat that crossbeam 6 and stull 5 are assembled complete
Bi Hou, according to the internal force that the regulation propping steeve 4 is required into bridge, then floorings are erected on crossbeam using loop wheel machine 13,
Finally first, second interim drag-line 17.1 of dismounting, 17.2, protective stent 12, false stull 16 and interim crossbeam 15, Cheng Qiaotong
Car, Cheng Qiao structural representation are specific as shown in Figure 1 and Figure 2.
Claims (3)
1. a kind of through tied arch bridge, including spaced bridge pier, be placed with pontic on the bridge pier, the pontic by
Two monolithic arch rib units that structure is identical to be arranged side by side are formed, the monolithic arch rib unit include domed structure arch rib and
The binder being connected horizontally between the arch rib two-end-point, it is longitudinally spaced between the arch rib and binder to be provided with support and hang
Bar；The arch rib of two monolithic arch rib units is connected as a single entity by the stull being horizontally spaced about, and the binder of two monolithic arch rib units leads to
Cross the crossbeam being horizontally spaced about to be connected as a single entity, floorings be provided with the crossbeam restocking, it is characterised in that：The arch rib is by more
Individual arc rib-lifting section is connected successively to be formed, and the binder is connected successively by multiple horizontally disposed binder sections to be formed, described
Arc rib-lifting section and the binder section correspond setting up and down, positioned at arch rib end two arc rib-lifting sections respectively with
It is connected as a single entity positioned at the binder section of binder end；
The stull is formed by two length identical stull section linkings, and two stull sections correspond to be connected in two respectively
On the arch rib of the individual monolithic arch rib unit, the crossbeam is formed by two length identical crossbeam section linkings, described in two
Crossbeam section corresponds to be connected on the binder of two monolithic arch rib units respectively；
Construction method comprises the following steps：
Step（1）：Existing bridge be present in the bridge location side yet to be built of river course two sides or both sides of the road, scene is poured at bridge location yet to be built
Two bridge piers are built, the rib-lifting section of prefabrication, binder section, stull section and crossbeam section are transported to job site；
Step（2）：Multiple assembled moulding beds and multiple assembled pedestals, assembled moulding bed and spelling are spaced apart on vacant lot at the construction field (site)
Fill pedestal and correspond placement, a binder section is placed with each assembled moulding bed, to multiple binder sections on assembled moulding bed
Duan Yici carries out assembled；
A rib-lifting section is placed with each assembled pedestal, assembly is carried out successively to multiple rib-lifting sections on assembled pedestal,
When rib-lifting section is steel box structure or concrete filled steel tube, the faying face per two neighboring rib-lifting section is linked as by welding
One, when rib-lifting section uses reinforced concrete structure, the faying face per two neighboring rib-lifting section is linked as by wet seam
The both ends of arch rib, are then integrated by one with the assembly of corresponding binder end respectively；
After the completion for the treatment of arch rib and binder assembly, assembled stull section is spaced on arch rib, assembled crossbeam section is spaced on binder,
After the completion for the treatment of stull section and binder section assembling, interval anchors the propping steeve between binder and arch rib, and will support
Suspension rod initial tensioning is to designing Suo Li, you can completes the prefabricated of monolithic arch rib unit；
Step（3）：After the completion for the treatment of that monolithic arch rib unit is prefabricated, above-mentioned steps（2）In an assembled moulding bed being often correspondingly arranged and
One assembled pedestal forms an assembling support, is set on the monolithic arch rib unit positioned at two neighboring assembling support gap location
Protective stent；
Step（4）：Using loop wheel machine by above-mentioned steps（3）In monolithic arch rib unit from the sleeping state of lying be lifted to vertical state after turn
It is transported on self-traveling module transportation vehicle；To increase transportation stability, the crossbeam section opening position at binder both ends is assembled one
Outwards horizontal-extending interim crossbeam, assembled one of stull section opening position at arch rib both ends are outwards horizontal-extending interim
Stull, the interim crossbeam and false stull being correspondingly arranged are fixedly connected with by the first interim drag-line, the horizontal stroke of monolithic arch rib unit inside
Support section and crossbeam section are fixedly connected with by the second interim drag-line, and the second interim drag-line is symmetrical arranged with the first interim drag-line；
Step（5）：After first, second interim drag-line installation, after starting self-traveling module transportation vehicle by existing bridge, from
Monolithic arch rib unit is moved at bridge location yet to be built by line module transportation vehicle along the direction parallel to river course or road；
Step（6）：Repeat the above steps（2）~step（5）Another monolithic arch rib unit is turned with self-traveling module transportation vehicle
Deliver at bridge location yet to be built, two monolithic arch rib units are symmetrically placed；
Step（7）：The self-traveling module transportation vehicle below two monolithic arch rib units is moved respectively to transfer two monolithic arch rib units
To bridge pier, the position of two monolithic arch rib units is adjusted by self-traveling module transportation vehicle, after two monolithic arch rib units are in place,
The arch springing built-in fitting on two monolithic arch rib unit arch ribs is fixedly connected with the erection support on bridge pier respectively, finally by self-propelled mould
Block transport vehicle is removed, and realizes the erection operation of two monolithic arch rib units；
Step（8）：After the completion for the treatment of that two monolithic arch rib units are set up, the stull section that setting is corresponded on two arch ribs is held in the mouth respectively
One is connected in, completes the assembly of stull, one-to-one two crossbeams section linking on two binders is integrated respectively, completes crossbeam
Assembly；
After treating crossbeam and stull assembly, according to the internal force that regulation propping steeve is required into bridge, then using loop wheel machine by described in
Floorings are erected on crossbeam, finally remove first, second interim drag-line, protective stent, false stull and interim crossbeam, Cheng Qiao
It is open to traffic.
2. through tied arch bridge according to claim 1, it is characterised in that：The step（2）In assembled moulding bed and
Assembled pedestal is welded by upper strata steel plate and lower floor's shaped steel.
3. through tied arch bridge according to claim 1, it is characterised in that：The step（3）In protective stent be
The frame structure formed by four channel-section steel linkings.
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| CN201611257261.7A CN106592406B (en) | 2016-12-30 | 2016-12-30 | Through tied arch bridge and its construction method |
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| CN201611257261.7A CN106592406B (en) | 2016-12-30 | 2016-12-30 | Through tied arch bridge and its construction method |
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| CN113944095A (en) * | 2021-11-05 | 2022-01-18 | 上海市政工程设计研究总院（集团）有限公司 | Through tied arch bridge and construction method thereof |
| CN114855620B (en) * | 2022-05-09 | 2023-08-01 | 广西路建工程集团有限公司 | Integral lifting and anchoring device for bridge steel pipe arch rib and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2567253C1 (en) * | 2014-06-05 | 2015-11-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Уральский государственный университет путей сообщения" (УрГУПС) | Arched bridge |
| CN204282188U (en) * | 2014-12-01 | 2015-04-22 | 中铁二十局集团第一工程有限公司 | A kind of long-span steel pipe arch bridge is without support lifting construction structure |
| CN104404887B (en) * | 2014-12-01 | 2016-03-23 | 中铁二十局集团第一工程有限公司 | A kind of long-span steel pipe arch bridge is without support hoisting |
| CN105586826B (en) * | 2015-11-30 | 2017-03-29 | 湖州交通规划设计院 | A kind of Concrete Tied Arch suspension rod casts anchor and holds attachment structure and its construction method |
| CN206408510U (en) * | 2016-12-30 | 2017-08-15 | 河南省交通规划设计研究院股份有限公司 | Through tied arch bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108532465A (en) * | 2018-04-20 | 2018-09-14 | 中交第三航务工程局有限公司 | A kind of construction method of Through Steel case arch bridge |
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