CN106480823B - Vaulted beam device and its localization method - Google Patents
Vaulted beam device and its localization method Download PDFInfo
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- CN106480823B CN106480823B CN201510996031.1A CN201510996031A CN106480823B CN 106480823 B CN106480823 B CN 106480823B CN 201510996031 A CN201510996031 A CN 201510996031A CN 106480823 B CN106480823 B CN 106480823B
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- arch springing
- supporting plate
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- embedded section
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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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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to bridge construction technical field, more particularly, to vaulted beam device and its localization method.Including：Base and supporting plate；Supporting plate is arranged on base, and the angle between supporting plate and horizontal plane between angle and the rod member and horizontal plane of arch springing embedded section is equal, and supporting plate is used for arch springing embedded section；Base is used for the reserved notch for being fixed on skewback.Vaulted beam device and its localization method provided by the invention, supporting plate is arranged on base by it so that the angle of inclination of supporting plate is identical with the angle of inclination of the rod member of arch springing embedded section.When workmen is installing arch springing embedded section, first base and supporting plate are arranged on reserved notch, in the supporting plate for then placing arch springing embedded section and is positioned, is reduced positioning difficulty and difficulty of construction, reduce construction cost.
Description
Technical field
The present invention relates to bridge construction technical field, more particularly, to vaulted beam device and its localization method.
Background technology
Steel truss arched bridge arch springing embedded section steel construction is embedded in skewback concrete, and its construction method typically has following several：
1st, stiff skeleton is set up in skewback foundation construction, steel truss arch is directly adjusted fixed and then casting concrete；2nd, encircleing
Corresponding notch is reserved during seat foundation construction, then sets up stiff skeleton platform after-pouring notch is adjusted to arch springing embedded section and mix
Solidifying soil.Due to the particularity of Bridge Design, the arch springing embedded section three-dimensional axis of its own is in vertical view face, in side elevation view and face
Certain angle in face be present, using stiff skeleton location difficulty, difficulty of construction is big, adds construction cost.
The content of the invention
It is an object of the invention to provide vaulted beam device and its localization method, to solve to adopt present in prior art
Difficult with stiffness framework location, difficulty of construction is big, adds the technical problem of construction cost.
A kind of vaulted beam device provided by the invention, including：Base and supporting plate；Supporting plate is arranged on base, branch
Angle between fagging and horizontal plane between angle and the rod member and horizontal plane of arch springing embedded section is equal, and it is pre- that supporting plate is used for arch springing
Bury section；Base is used for the reserved notch for being fixed on skewback.
Further, vaulted beam device also includes regulation steel disc；Adjust steel disc to set on the supporting plate, encircle for adjusting
The position of pin embedded section.
Further, vaulted beam device also includes bottom surface pre-embedded steel slab；It is spaced in the underlying side wall of reserved notch
Two mounting planes are provided with, and there is difference in height between two mounting planes；It is pre- that bottom surface is provided with each mounting plane
Bury steel plate；A base is provided with the pre-embedded steel slab of each bottom surface.
Further, vaulted beam device also includes anchor bar；On skewback, at each mounting plane, it is respectively provided with
There is anchor bar；One end of anchor bar is embedded in skewback, and the other end is fixedly connected with bottom surface pre-embedded steel slab.
Further, vaulted beam device also includes inclined-plane pre-embedded steel slab；The groove bottom of reserved notch and the rod member of arch springing
Vertically, inclined-plane pre-embedded steel slab is embedded in the groove bottom of reserved notch, for being fixedly connected with the rod member of arch springing embedded section.
Further, vaulted beam device also includes pre-buried anchor ring；Set in the reserved notch side wall vertical with mounting plane
It is equipped with pre-buried anchor ring.
Further, vaulted beam device also includes jack；Jack is placed on mounting plane, for arch springing is pre-
Section is buried to be supported on predeterminated position.
Further, vaulted beam device also includes chain block and lifting；Chain block is located in pre-buried anchor ring, its
One end is connected with the rod member of arch springing embedded section, and the other end connects with lifting.
Present invention also offers a kind of vaulted beam method, following steps are specifically included：
According to the preset position information of arch springing embedded section, base and the three-dimensional structural map of supporting plate are drawn；
According to three-dimensional structural map processing base and supporting plate, and supporting plate is welded on base；
According to the preset position information of arch springing embedded section, make pre-buried notch on skewback, and by bottom surface pre-embedded steel slab and
Inclined-plane pre-embedded steel slab is embedded on pre-buried notch；
By tube chamber welds with base on the pre-embedded steel slab of bottom surface, and arch springing is placed on the supporting plate；
Precision regulation is carried out to arch springing using jack and lifting, and arch springing is welded on supporting plate and inclined-plane pre-embedded steel slab
On.
Further, using jack and lifting to arch springing carry out precision regulation, and by arch springing be welded on supporting plate and tiltedly
In step on the pre-embedded steel slab of face, specifically comprise the following steps：
Arch springing embedded section is placed on the supporting plate using jack and lifting；
The three-dimensional coordinate of the three-dimensional coordinate of arch springing embedded section current location and arch springing embedded section predeterminated position is contrasted；
When the three-dimensional coordinate of the current location of arch springing embedded section and the three-dimensional coordinate of its predeterminated position have deviation in specification
When value is outer, the position for adjusting steel disc regulation arch springing embedded section is utilized；
When the three-dimensional coordinate of the current location of arch springing embedded section and the three-dimensional coordinate of its predeterminated position have deviation in specification
When in value, by the welding of regulation steel disc on the supporting plate, arch springing embedded section is welded on regulation steel disc and inclined-plane pre-embedded steel slab.
Vaulted beam device and its localization method provided by the invention, supporting plate is arranged on base by it so that support
The angle of inclination of plate is identical with the angle of inclination of the rod member of arch springing embedded section.When workmen is installing arch springing embedded section, first
Base and supporting plate are arranged on reserved notch, in the supporting plate for then placing arch springing embedded section and positioned,
Positioning difficulty and difficulty of construction are reduced, reduces construction cost.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the use state figure of vaulted beam device provided in an embodiment of the present invention；
Fig. 2 is the base of vaulted beam device provided in an embodiment of the present invention and the structural representation of supporting plate；
Fig. 3 is the flow chart for the vaulted beam method that one embodiment of the invention provides；
Fig. 4 is the flow chart for the vaulted beam method that another embodiment of the present invention provides；
Fig. 5 is the general flow chart of vaulted beam method provided in an embodiment of the present invention.
Reference：
1- bases；2- anchor bars；3- reserves notch；
4- skewbacks；5- arch springing embedded sections；The pre-buried anchor rings of 6-；
7- bottom surfaces pre-embedded steel slab；8- inclined-planes pre-embedded steel slab；11- supporting plates；
12- fixed plates；13- support plates；14- reinforcing plates.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Fig. 1 is the use state figure of vaulted beam device provided in an embodiment of the present invention；Fig. 2 provides for the embodiment of the present invention
The base of vaulted beam device and the structural representation of supporting plate.As depicted in figs. 1 and 2, a kind of arch that the present embodiment provides
Pin positioner, including：Base 1 and supporting plate 11；Supporting plate 11 is arranged on base 1, is pressed from both sides between supporting plate 11 and horizontal plane
Angle between angle and the rod member and horizontal plane of arch springing embedded section 5 is equal, and supporting plate 11 is used for arch springing embedded section 5；Base 1 is used for
It is fixed on the reserved notch 3 of skewback 4.
Wherein, the structure type of base 1 can be it is a variety of, such as：Base 1 includes fixed plate 12, reinforcing plate 14 and multiple
Support plate 13, what multiple supporting plates 11 were spaced successively is arranged in the fixed plate 12, and the height of multiple support plates 13 is incremented by successively,
Reinforcing plate 14 is each provided between support plate 13 and fixed plate 12, support plate 13 is arranged on multiple upper ends of support plate 13.
The shape of supporting plate 11 can be a variety of, such as：Rectangle, square or circle etc..
The number of supporting plate 11 can be one, or it is multiple, the angles of inclination of multiple supporting plates 11 can with identical,
Can also be different, those skilled in the art can be according to the angle of inclination of each rod member on arch springing embedded section 5, to determine each
The angle of inclination of fagging 11.
Connected mode between supporting plate 11 and base 1 can be a variety of, such as：Clamping, it is spirally connected or welds etc., compared with
It is goodly welding.
The vaulted beam device that the present embodiment provides, supporting plate 11 is arranged on base 1 by it so that supporting plate 11 is inclined
Rake angle is identical with the angle of inclination of the rod member of arch springing embedded section 5.When workmen is installing arch springing embedded section 5, first the bottom of by
Seat 1 and supporting plate 11 are arranged on reserved notch 3, then in supporting plate 11 that arch springing embedded section 5 is placed and will be positioned i.e.
Can, positioning difficulty and difficulty of construction are reduced, reduces construction cost.
As depicted in figs. 1 and 2, on the basis of above-described embodiment, further, vaulted beam device also includes regulation steel
Piece；Regulation steel disc is arranged in supporting plate 11, for adjusting the position of arch springing embedded section 5.
Wherein, the shape for adjusting steel disc can be a variety of, such as：Rectangle or square etc. or rectangular
Body or wedge etc..
It can also be multiple that regulation steel disc, which can be one, and those skilled in the art can select suitable according to the needs of regulation
When the regulation steel disc of quantity, arch springing embedded section 5 to be adjusted.
When workmen is before arch springing embedded section 5 is installed, now base 1 is arranged on reserved notch 3, it is then that arch springing is pre-
Bury section 5 to be placed in supporting plate 11, now, by the default of the three-dimensional coordinate of the current location of arch springing embedded section 5 and arch springing embedded section 5
The three-dimensional coordinate of position (i.e. position of the arch springing embedded section 5 in design drawing) is contrasted.If arch springing embedded section 5 is current
When position and its default position have deviation, regulation steel disc is arranged in supporting plate 11, realizes the essence to arch springing embedded section 5
Certainly position, then arch springing embedded section 5 and regulation steel disc are welded in supporting plate 11 successively, arch springing embedded section 5 is fixed, with
It is convenient for follow-up work.
In the present embodiment, before arch springing embedded section 5 is installed, first according to the preset position information of arch springing embedded section 5, carry
Preceding making base 1 and supporting plate 11, then the base 1 made in advance and supporting plate 11 are arranged in reserved notch 3.This
Sample, workmen install arch springing embedded section 5 when, arch springing embedded section 5 is placed in supporting plate 11, it is only necessary to through overregulating
Steel disc can be positioned arch springing embedded section 5 by trickle adjustment, be easy to workmen to construct, shortened construction period.
As shown in figure 1, on the basis of above-described embodiment, further, vaulted beam device also includes bottom surface pre-buried steel
Plate 7；Two mounting planes are arranged at intervals with 3 underlying side wall of reserved notch, and there is height between two mounting planes
Degree is poor；Bottom surface pre-embedded steel slab 7 is provided with each mounting plane；A base is provided with each bottom surface pre-embedded steel slab 7
1。
What is be spaced in the lower wall of reserved notch 3 is provided with two mounting planes, and between the two mounting planes
Difference in height also be present, the difference in height is matched with the angle of inclination of arch springing embedded section 5, and is buried on each mounting plane
There is bottom surface pre-embedded steel slab 7.So, a base 1 is welded with each bottom surface pre-embedded steel slab 7, is welded with each base 1
At least one supporting plate 11, so as to more stably support arch springing embedded section 5, for the precisely fixed of arch springing embedded section 5 can be realized
Position improves basis.
As shown in figure 1, on the basis of above-described embodiment, further, vaulted beam device also includes anchor bar 2；
On skewback 4, at each mounting plane, anchor bar 2 is provided with；One end of anchor bar 2 is embedded in skewback 4, separately
One end is fixedly connected with bottom surface pre-embedded steel slab 7.
Wherein, the connected mode of bottom surface pre-embedded steel slab 7 and anchor bar 2 can be a variety of, such as：Welding, bolt or
Threaded connection etc., is preferably welded.
In the present embodiment, the pre-buried anchor bar 2 at each mounting plane, and bottom surface pre-embedded steel slab 7 is welded on one
Rise, so as to add the steadiness being connected between bottom surface pre-embedded steel slab 7 and skewback 4.
As shown in figure 1, on the basis of above-described embodiment, further, vaulted beam device also includes inclined-plane pre-buried steel
Plate 8；The groove bottom of reserved notch 3 is vertical with the rod member of arch springing, and inclined-plane pre-embedded steel slab 8 is embedded in the groove bottom of reserved notch 3, uses
It is fixedly connected in the rod member with arch springing embedded section 5.
In the present embodiment, inclined-plane pre-embedded steel slab 8 is embedded in the groove bottom of reserved notch 3, when arch springing embedded section 5 is fixed
After the completion of position, you can arch springing embedded section 5 is welded on into inclined-plane and reserved on steel plate so that arch springing embedded section 5 can more be stablized,
Offered convenience for follow-up construction.
As shown in figure 1, on the basis of above-described embodiment, further, vaulted beam device also includes pre-buried anchor ring 6；
Pre-buried anchor ring 6 is provided with reserved notch 3 side wall vertical with mounting plane.
Further, vaulted beam device also includes jack；Jack is placed on mounting plane, for arch springing is pre-
Section 5 is buried to be supported on predeterminated position.
Further, vaulted beam device also includes chain block and lifting；Chain block is located in pre-buried anchor ring 6,
Its one end is connected with the rod member of arch springing embedded section 5, and the other end connects with lifting.
Workmen can be matched somebody with somebody when precision regulation is carried out to arch springing embedded section 5 using jack with lifting
Close to adjust the angle of arch springing embedded section 5, and then adjust the three-dimensional coordinate of the current location of arch springing embedded section 5.
Fig. 3 is the flow chart for the vaulted beam method that one embodiment of the invention provides.As shown in figure 3, the present embodiment is also
A kind of vaulted beam method is provided, specifically includes following steps：
Step 100, according to the preset position information of arch springing embedded section 5, base 1 and the three-dimensional construction of supporting plate 11 are drawn
Figure；
Step 200, according to three-dimensional structural map processing base 1 and supporting plate 11, and supporting plate 11 is welded on base 1；
Step 300, according to the preset position information of arch springing embedded section 5, pre-buried notch is made on skewback 4, and by bottom surface
Pre-embedded steel slab 7 and inclined-plane pre-embedded steel slab 8 are embedded on pre-buried notch；
Step 400, base 1 is welded on bottom surface pre-embedded steel slab 7, and arch springing is placed in supporting plate 11；
Step 500, using jack and lifting to arch springing carry out precision regulation, and by arch springing be welded on supporting plate 11 and tiltedly
Face pre-embedded steel slab 8.
Wherein, the preset position information of arch springing embedded section 5 comprises at least the three-dimensional coordinate of arch springing embedded section 5, and arch springing
Embedded section 5 is relative to the position of other structures, such as position of relative skewback 4 etc..
In the present embodiment, according to the preset position information of arch springing embedded section 5, the three of base 1 and supporting plate 11 is drawn out
Structural map is tieed up, base 1 and supporting plate 11 are produced according to three-dimensional structural map, so, base 1 and supporting plate 11 can be enabled
More meet the angle of inclination of arch springing embedded section 5, and then reduce the workload that workmen adjusts the position of arch springing embedded section 5.
After arch springing embedded section 5 is placed in supporting plate 11 by workmen, it is only necessary to carry out micro regulation i.e. to arch springing embedded section 5
Can.
Fig. 4 is the flow chart for the vaulted beam method that another embodiment of the present invention provides；Fig. 5 carries for the embodiment of the present invention
The general flow chart of the vaulted beam method of confession.As shown in Figure 4 and Figure 5, on the basis of above-described embodiment, further, step
500, precision regulation is carried out to arch springing using jack and lifting, and arch springing is welded on supporting plate 11 and inclined-plane pre-embedded steel slab 8
In, specifically comprise the following steps：
Step 501, arch springing embedded section 5 is placed in supporting plate 11 using jack and lifting；
Step 502, the three-dimensional coordinate of the current location of arch springing embedded section 5 and the three-dimensional of the predeterminated position of arch springing embedded section 5 are sat
Mark is contrasted；
Step 503, when the three-dimensional coordinate of current location of arch springing embedded section 5 exists partially with the three-dimensional coordinate of its predeterminated position
When difference is outside normal value, the position for adjusting steel disc regulation arch springing embedded section 5 is utilized；
Step 504, when the three-dimensional coordinate of current location of arch springing embedded section 5 exists partially with the three-dimensional coordinate of its predeterminated position
When difference is in normal value, regulation steel disc is welded in supporting plate 11, arch springing embedded section 5 is welded on regulation steel disc and inclined-plane is pre-
Bury on steel plate 8.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (8)
- A kind of 1. vaulted beam device, it is characterised in that including：Base and supporting plate；The supporting plate is arranged on the base On, the angle between the supporting plate and horizontal plane between angle and the rod member and horizontal plane of arch springing embedded section is equal, the branch Fagging is used for arch springing embedded section, and the base is used for the reserved notch for being fixed on skewback；Also include regulation steel disc；The regulation steel disc is arranged in the supporting plate, for adjusting the position of the arch springing embedded section；Also include inclined-plane pre-embedded steel slab；The groove bottom of the reserved notch is vertical with the rod member of arch springing, and the inclined-plane pre-embedded steel slab is embedded in the reserved notch Groove bottom, for being fixedly connected with the rod member of the arch springing embedded section.
- 2. vaulted beam device according to claim 1, it is characterised in that also including bottom surface pre-embedded steel slab；It is described reserved Two mounting planes are arranged at intervals with the underlying side wall of notch, and there is difference in height between two mounting planes；Each Bottom surface pre-embedded steel slab is provided with the mounting plane；A base is provided with each bottom surface pre-embedded steel slab.
- 3. vaulted beam device according to claim 2, it is characterised in that also including anchor bar；On the skewback, at each mounting plane, anchor bar is provided with；Bury one end of the anchor bar In the skewback, the other end is fixedly connected with the bottom surface pre-embedded steel slab.
- 4. according to the vaulted beam device described in claim 2-3 any one, it is characterised in that also including pre-buried anchor ring；Institute State and the pre-buried anchor ring is provided with the reserved notch side wall vertical with the mounting plane.
- 5. vaulted beam device according to claim 4, it is characterised in that also including jack；The jack is placed On mounting plane, for arch springing embedded section to be supported on into predeterminated position.
- 6. vaulted beam device according to claim 4, it is characterised in that also including chain block and lifting；The chain Bar cucurbit is located in the pre-buried anchor ring, and its one end is connected with the rod member of the arch springing embedded section, the other end and the lifting Connection.
- A kind of 7. vaulted beam method, it is characterised in that specifically include following steps：According to the preset position information of arch springing embedded section, base and the three-dimensional structural map of supporting plate are drawn；According to three-dimensional structural map processing base and supporting plate, and supporting plate is welded on base；According to the preset position information of arch springing embedded section, pre-buried notch is made on skewback, and by bottom surface pre-embedded steel slab and inclined-plane Pre-embedded steel slab is embedded on pre-buried notch；By tube chamber welds with base on the pre-embedded steel slab of bottom surface, and arch springing is placed on the supporting plate；Precision regulation is carried out to arch springing using jack and lifting, and arch springing is welded in supporting plate and inclined-plane pre-embedded steel slab.
- 8. vaulted beam method according to claim 7, it is characterised in that described to be entered using jack and lifting to arch springing Row precision is adjusted, and arch springing is welded in the step in supporting plate and inclined-plane pre-embedded steel slab, is specifically comprised the following steps：Arch springing embedded section is placed on the supporting plate using jack and lifting；The three-dimensional coordinate of the three-dimensional coordinate of arch springing embedded section current location and arch springing embedded section predeterminated position is contrasted；When the three-dimensional coordinate of the current location of arch springing embedded section and the three-dimensional coordinate of its predeterminated position have deviation outside normal value When, utilize the position for adjusting steel disc regulation arch springing embedded section；When the three-dimensional coordinate of the current location of arch springing embedded section and the three-dimensional coordinate of its predeterminated position have deviation in normal value When, by the welding of regulation steel disc on the supporting plate, arch springing embedded section is welded on regulation steel disc and inclined-plane pre-embedded steel slab.
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| CN201510996031.1A CN106480823B (en) | 2015-12-24 | 2015-12-24 | Vaulted beam device and its localization method |
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|---|---|---|---|
| CN201510996031.1A CN106480823B (en) | 2015-12-24 | 2015-12-24 | Vaulted beam device and its localization method |
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| CN106480823B true CN106480823B (en) | 2018-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914260A (en) * | 2019-04-09 | 2019-06-21 | 中铁十八局集团第二工程有限公司 | Four, double ribs encircle vaulted beam method without steel truss is twisted |
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| CN107142834B (en) * | 2017-04-26 | 2019-06-14 | 河海大学 | A kind of Through Steel pipe concrete tie-rod arch bridge abutment steel pipe location structure and its construction method |
| CN106958188B (en) * | 2017-05-31 | 2019-04-16 | 中国二十冶集团有限公司 | Arch foot support device and its construction method |
| CN109112976B (en) * | 2018-09-10 | 2023-09-22 | 长沙理工大学 | Arch leg maintenance device and maintenance method for realizing arch leg multi-degree-of-freedom deflection |
| CN110593082A (en) * | 2019-09-25 | 2019-12-20 | 中国五冶集团有限公司 | Structure for pre-embedding installation of tied arch bridge steel structure arch foot |
| CN110777634B (en) * | 2019-10-27 | 2021-07-23 | 中交第四公路工程局有限公司 | Construction method for pre-embedded section of arch rib of steel pipe arch bridge |
| CN111622080A (en) * | 2020-05-04 | 2020-09-04 | 中交第四公路工程局有限公司 | Active butt joint method for arch foot and arch rib of steel pipe concrete arch bridge |
| CN114855616B (en) * | 2022-04-14 | 2024-04-02 | 中铁广州工程局集团有限公司 | Method for installing and positioning pre-embedded sections of arch feet of steel arch bridge |
| CN114991016A (en) * | 2022-06-24 | 2022-09-02 | 中国五冶集团有限公司 | Positioning device and positioning installation method for inclined steel column base |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2171330C1 (en) * | 2000-07-04 | 2001-07-27 | Закрытое акционерное общество "Мост-бизнес-консалтинг" | Arch-type deck bridge and method for its manufacture |
| CN201059018Y (en) * | 2007-06-18 | 2008-05-14 | 河北建设集团有限公司 | Arch abutment mounting locating components for large-span steel arch structure |
| CN103711081B (en) * | 2013-12-26 | 2015-08-26 | 中国一冶集团有限公司 | Utilize the method for flange position, arch springing upper port place, coordinate modification legal position |
| CN203741722U (en) * | 2014-01-16 | 2014-07-30 | 中铁四局集团第四工程有限公司 | Temporary arch springing structure for displacement pushing of large-span continuous girder arch |
| CN104389271B (en) * | 2014-12-01 | 2016-05-11 | 中铁山桥集团有限公司 | A kind of steel pipe concrete arch rib bridge arch pin is installed and is used stiffness support |
| CN104404868A (en) * | 2014-12-12 | 2015-03-11 | 江苏省交通科学研究院股份有限公司 | Arch spring of through steel tube concrete tie bar arch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914260A (en) * | 2019-04-09 | 2019-06-21 | 中铁十八局集团第二工程有限公司 | Four, double ribs encircle vaulted beam method without steel truss is twisted |
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| CN106480823A (en) | 2017-03-08 |
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