CN114592420A - Suspender system for simply replacing suspender and construction method for replacing suspender - Google Patents
Suspender system for simply replacing suspender and construction method for replacing suspender Download PDFInfo
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- CN114592420A CN114592420A CN202210251251.1A CN202210251251A CN114592420A CN 114592420 A CN114592420 A CN 114592420A CN 202210251251 A CN202210251251 A CN 202210251251A CN 114592420 A CN114592420 A CN 114592420A
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 37
- 239000010959 steel Substances 0.000 claims description 37
- 238000003466 welding Methods 0.000 claims description 4
- 238000005034 decoration Methods 0.000 claims 5
- 239000000725 suspension Substances 0.000 description 5
- 238000004873 anchoring Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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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
- E01D19/00—Structural or constructional details of 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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- 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
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a suspender system for simply replacing an arch bridge suspender and a construction method for replacing the suspender, wherein the suspender system comprises: a main studded tube fixed between the two upper arch ribs; the auxiliary lacing tubes are fixed between the two upper arch ribs and are respectively arranged at two sides of the main lacing tube; the fork ear plate is fixed on the bridge deck beam; the upper end of the main hanging rod is connected with the main lacing tube, and the lower end of the main hanging rod is connected with the fork ear plate; and the upper end of the temporary suspender is connected with the auxiliary studding pipe when the main suspender is replaced, and the lower end of the temporary suspender is connected with the fork lug plate. The construction method comprises the steps of pre-installing the main decorating pipe, the auxiliary decorating pipe, the fork lug plate and the main hanging rod when the bridge is constructed, and installing the temporary hanging rod when the main hanging rod is replaced. The invention can avoid mounting a temporary leveling device and a cantilever beam on the arch rib, and can also avoid arranging a temporary hanging device at the bottom of the bridge deck beam, thereby reducing the construction difficulty when replacing the hanging rod and solving the problem of limited beam bottom construction clearance.
Description
Technical Field
The invention belongs to the technical field of steel pipe concrete arch bridges, and particularly relates to a suspender system for simply replacing an arch bridge suspender and a construction method for replacing the suspender.
Background
The arch bridge has the advantages of beautiful shape, strong spanning capability, flexible and various structural forms, good adaptability, excellent economic performance and strong vitality. In particular to a concrete-filled steel tube arch bridge, which is one of the preferred bridge types of a bridge across the river, and the number of the concrete-filled steel tube arch bridges built in China and under construction exceeds 600. For the through arch bridge and the half arch bridge, the dead weight of a bridge deck system and a transverse longitudinal beam and the live load of the bridge deck need to be transmitted to the arch ribs through the suspension rods. At present, according to the requirements of current specifications, the service life of the main structure of the steel pipe concrete arch bridge is designed to be 100 years, and the hanger rod is limited by the reasons of material characteristics, processing technology, construction quality, operation maintenance and the like, so that the actual service life is often less than 20 years. Thus, during normal operation of the bridge, the booms typically need to be replaced 4-5 times and the sling anchor design should meet the requirements for inspection, maintenance and replacement.
At present, most of arch bridges need to be provided with a temporary pocket lifting device below a bridge deck cross beam when a suspender is replaced, and need to be provided with a cantilever beam on a leveling plate device in an arch rib installation or welding leveling device, and the cantilever beam and the pocket lifting device are connected through finish rolling deformed steel bars or steel strands. Especially, for the bridge with limited clearance under the bridge, the mounting operation space and the operation time of the beam bottom pocket hoisting device are limited, the implementation is difficult, and the construction difficulty is large.
Disclosure of Invention
The invention discloses a suspender system for simply replacing an arch bridge suspender and a construction method for replacing the suspender, which can avoid mounting a temporary leveling device and a cantilever beam on an arch rib and also can avoid arranging a temporary suspending device at the bottom of a bridge deck beam, thereby reducing the construction difficulty when replacing the suspender and solving the problem of limited beam bottom construction clearance.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a boom system for easy replacement of a boom, comprising:
a main studded tube fixed between the two upper arch ribs;
the auxiliary lacing tubes are fixed between the two upper arch ribs and are respectively arranged at two sides of the main lacing tube;
the fork ear plate is fixed on a bridge deck beam and is pre-provided with a main hanging hole and an auxiliary hanging hole, and the positions of the main hanging hole and the auxiliary hanging hole correspond to the positions of the main embellishing pipe and the auxiliary embellishing pipe respectively;
the upper end of the main hanging rod is connected with the main lacing tube, and the lower end of the main hanging rod is connected with the fork lug plate through the main hanging hole;
and the upper end of the temporary suspender is connected with the auxiliary studding pipe when the main suspender is replaced, and the lower end of the temporary suspender is connected with the fork lug plate through the auxiliary lifting hole.
Furthermore, the main lacing tube is provided with a main lacing tube through hole, and the upper end of the main suspender penetrates through the main lacing tube through hole and is connected with the main lacing tube through an anchorage device.
Furthermore, the auxiliary lacing tube is provided with an auxiliary lacing tube through hole, and the upper end of the temporary suspender penetrates through the auxiliary lacing tube through hole and is connected with the auxiliary lacing tube through an anchorage device.
Furthermore, a main leveling steel plate is arranged on the main studding pipe, and a main leveling steel plate through hole is formed in the main leveling steel plate and used for accommodating the main suspender to penetrate through.
Furthermore, an auxiliary leveling steel plate is arranged on the auxiliary studding pipe, and an auxiliary leveling steel plate through hole is formed in the auxiliary leveling steel plate and used for accommodating the temporary suspender to penetrate through.
Furthermore, stiffening plates are arranged on two sides of the fork ear plate.
Further, the main jib lower extreme is provided with the main jib jack, main lifting eye with the main jib jack is provided with main bolt in order to realize the main jib with the connection of fork ear plate.
Further, interim jib lower extreme is provided with interim jib jack, vice lewis hole with interim jib jack is provided with vice bolt in order to realize interim jib with the connection of fork ear plate.
Further, the diameter of the section of the temporary hanging rod is smaller than that of the section of the main hanging rod.
The construction method for replacing the suspender by using the suspender system comprises the following steps:
s1, when installing arch ribs, installing a main lacing tube and an auxiliary lacing tube at the same time, when installing a bridge deck beam, welding a fork lug plate with an auxiliary hanging hole, installing a main hanging rod, and after completing bridge construction, performing formal operation on the bridge;
s2, when the main suspender 6 needs to be replaced, a temporary suspender is purchased or manufactured, the temporary suspender is installed, the upper end of the temporary suspender is connected with the auxiliary studded pipe, the lower end of the temporary suspender is connected with the auxiliary hanging hole of the fork lug plate, the pulling force of the main suspender is released, the main suspender is disassembled and replaced, and the temporary suspender is disassembled after the replacement.
By adopting the suspender system, when a bridge is constructed, the bridge deck beam is provided with the fork lug plate in advance, auxiliary hanging holes are reserved on two sides of the main hanging hole on the fork lug plate, and auxiliary hanging pipes are arranged on two sides of the main hanging pipe on the arch rib in advance; during normal operation, the upper end of the main suspender is connected with the main studding pipe by an anchorage device, and the lower end of the main suspender is connected with the main hoisting hole by a bolt, so that the load of the bridge deck is transferred to the arch rib; when the jib is changed to needs, only need to pass through the bolt with the lower extreme of interim jib and directly be connected with the vice lewis hole of otic placode, the upper end anchor of interim jib is adorned on the pipe in vice, and 2 are generally installed to interim jib, can release main jib pulling force, dismantle this moment and change main jib, change and demolish interim jib after accomplishing again.
The suspender system disclosed by the invention is applied to a concrete-filled steel tube arch bridge, so that a temporary leveling device and a cantilever beam are not required to be installed on arch ribs, a temporary hanging device is also not required to be arranged at the bottom of a bridge deck beam, the temporary suspender is very convenient to install and dismantle, the construction difficulty in replacing the suspender is obviously reduced, and the problem of limited construction clearance at the bottom of the beam is solved. In addition, the temporary suspender arranged on the arched girder structure can completely meet the force transmission task of the main suspender due to the structural performance, so that the traffic does not need to be interrupted even in the construction process of replacing the main suspender, and the normal operation of the bridge is ensured.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is an exploded view of the main boom, the temporary boom and the fork ear plate.
Fig. 3 is an exploded view of the primary and temporary hanger rods connected to the primary and secondary patch tubes.
In the figure, an arch rib 1, a bridge deck crossbeam 2, a fork ear plate 3, a main decorating pipe 4, an auxiliary decorating pipe 5, a main suspender 6, a temporary suspender 7, a main hoisting hole 8, an auxiliary hoisting hole 9, an auxiliary bolt 10, a stiffening plate 11, a main bolt 12, a main leveling steel plate 13, an anchorage device 14 and an auxiliary leveling steel plate 15.
Detailed Description
The present invention is further described with reference to the following drawings, but the scope of the present invention is not limited to the following examples.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The utility model provides a jib system of jib is simply changed, is generally used for holding formula or well formula arched bridge under, and arch rib 1 is mostly the steel pipe concrete arch rib, and bridge floor crossbeam 2 is the steel bridge face crossbeam, and the jib system includes that the owner is decorated pipe 4, vice to decorate pipe 5, fork otic placode 3, main jib 6 and interim jib 7. Wherein: the main lacing tube 4 is fixed between the two upper arch ribs 1 and is used for anchoring the upper end of the main suspender 6; the auxiliary lacing tubes 5 are fixed between the two upper arch ribs 1, are respectively arranged at two sides of the main lacing tube 4 and are used for anchoring the upper end of the temporary suspender 7, and the diameter of each auxiliary lacing tube 5 can be slightly smaller than that of the main lacing tube 4; the fork ear plate 3 is fixed on the bridge deck beam 2, is welded with the bridge deck beam 2, is provided with a main hanging hole 8 and an auxiliary hanging hole 9 in advance, and the positions of the main hanging hole 8 and the auxiliary hanging hole 9 correspond to the positions of the main lacing tube 4 and the auxiliary lacing tube 5 respectively and are used for fixing the lower ends of the main suspender 6 and the temporary suspender 7; the upper end of the main suspender 6 is connected with the main studded pipe 4, and the lower end of the main suspender is connected with the fork ear plate 3 through a main hoisting hole 8, so that the bridge deck load is transferred to the arch rib 1; and a temporary suspender 7, the upper end of which is connected with the auxiliary lacing tube 5 when the main suspender 6 is replaced, and the lower end of which is connected with the fork lug plate 3 through an auxiliary hanging hole 9.
The arch rib 1 generally comprises an upper arch rib and a lower arch rib, the main embellishing pipe 4 and the auxiliary embellishing pipe 5 are generally fixed between the upper arch rib, and if a connecting rib is arranged between the two lower arch ribs, the connecting rib needs to be provided with a connecting rib through hole to accommodate the main suspender 6 to pass through.
Further, the main lacing tube 4 is provided with a main lacing tube through hole, the upper end of the main suspender 6 penetrates through the main lacing tube through hole, and the upper end of the main suspender 6 is fixed through an anchorage device 14 to realize connection with the main lacing tube 4.
Further, the auxiliary lacing tube 5 is provided with an auxiliary lacing tube through hole, the upper end of the temporary suspender 7 penetrates through the auxiliary lacing tube through hole, the upper end of the temporary suspender 7 is fixed through an anchorage device 14, and the auxiliary lacing tube 5 is connected. The upper end of the temporary suspender 7 is anchored on the auxiliary lacing tube 5, so that the tension of the main suspender 6 can be released, and the main suspender 6 can be disassembled and replaced.
Further, a main leveling steel plate 13 is arranged on the main decorating pipe 4, and a main leveling steel plate through hole is formed in the main leveling steel plate 13 and used for accommodating the main hanging rod 6 to penetrate through. For the fixation of the main leveling steel plate 13, the main leveling steel plate 13 is generally welded on the main decorating pipe 4, and the main suspension rod 6 passes through the through hole of the main decorating pipe and the through hole of the main leveling steel plate and then is connected with the anchorage 14. The upper end of the main leveling steel plate 13 is a plane, which is more beneficial to fixing the anchorage 14 and ensuring that the main suspension rod 6 keeps vertical compared with the cylindrical main lacing tube 4.
Further, an auxiliary leveling steel plate 15 is arranged on the auxiliary studding pipe 5, and the auxiliary leveling steel plate 15 is provided with an auxiliary leveling steel plate 15 through hole for accommodating the temporary suspender 7 to pass through. For fixing the auxiliary leveling steel plate 15, the auxiliary leveling steel plate 15 is generally welded on the auxiliary lacing tube 5, and the temporary suspension rod 7 passes through the through hole of the auxiliary lacing tube and the through hole of the auxiliary leveling steel plate and then is connected with the anchorage 14. The upper end of the secondary leveling steel plate 15 is a plane, and compared with the cylindrical secondary lacing wire 5, the anchor 14 can be fixed more conveniently, and the temporary suspension rod 7 can be kept vertical.
Further, stiffening plates 11 are arranged on two sides of the fork ear plate 3 to increase the out-of-plane rigidity of the fork ear plate 3.
Further, the lower end of the main boom 6 is provided with a main boom jack, and the main lifting hole 8 and the main boom jack are provided with a main bolt 12 which penetrates through to realize the connection of the main boom 6 and the fork ear plate 3. By adopting the fixing mode that the main bolt 12 passes through, the construction difficulty of replacing the suspender can be reduced, and the aims of quickly disassembling the main suspender 6 and replacing the main suspender 6 are achieved.
Further, a temporary suspender jack is arranged at the lower end of the temporary suspender 7, and an auxiliary bolt 10 is arranged in the auxiliary suspender jack 9 and the temporary suspender jack 7 to penetrate through the temporary suspender 7 and the fork ear plate 3. Through adopting the fixed mode that vice bolt 10 passed, reduced the construction degree of difficulty of changing the jib, reach the purpose of installing interim jib 7 fast and dismantling interim jib 7.
The construction method for replacing the suspender by using the suspender system comprises the following steps:
s1, when installing the arch rib 1, installing the main lacing pipe 4 and the auxiliary lacing pipe 5 at the same time, when installing the bridge deck beam 2, welding the fork lug plate 3 with the auxiliary hanging hole 9, installing the main hanging rod 6, and after completing bridge construction, performing formal operation on the bridge;
s2, when the main suspender 6 needs to be replaced, the temporary suspender 7 is purchased or manufactured, the temporary suspender 7 is installed, the upper end of the temporary suspender 7 is connected with the auxiliary studding pipe 5, the lower end of the temporary suspender is connected with the fork lug plate 3, the tension of the main suspender 6 is released, the main suspender 6 is disassembled and replaced, the temporary suspender 7 is disassembled after the completion, and the construction is convenient, rapid and safe.
The suspender system is applied to the concrete-filled steel tube arch bridge, so that a temporary leveling device and a cantilever beam are not required to be installed on the arch rib 1, a temporary hanging device is not required to be arranged at the bottom of a bridge deck beam, the temporary suspender 7 is very convenient to install and dismantle, the construction difficulty in replacing the suspender is obviously reduced, and the problem of limited construction clearance at the bottom of the beam is solved. In addition, the temporary suspender arranged on the arched girder structure can completely meet the force transmission task of the main suspender due to the structural performance, so that the traffic does not need to be interrupted even in the construction process of replacing the main suspender, and the normal operation of the bridge is ensured.
Claims (10)
1. A boom system for easy replacement of a boom, comprising:
a main studded tube fixed between the two upper arch ribs;
the auxiliary lacing tubes are fixed between the two upper arch ribs and are respectively arranged at two sides of the main lacing tube;
the fork ear plate is fixed on a bridge deck beam and is pre-provided with a main hanging hole and an auxiliary hanging hole, and the positions of the main hanging hole and the auxiliary hanging hole correspond to the positions of the main embellishing pipe and the auxiliary embellishing pipe respectively;
the upper end of the main hanging rod is connected with the main lacing tube, and the lower end of the main hanging rod is connected with the fork lug plate through the main hanging hole;
and the upper end of the temporary suspender is connected with the auxiliary studding pipe when the main suspender is replaced, and the lower end of the temporary suspender is connected with the fork lug plate through the auxiliary lifting hole.
2. A boom system for easy replacement of a boom as claimed in claim 1, wherein:
the main decoration pipe is provided with a main decoration pipe through hole, and the upper end of the main hanging rod penetrates through the main decoration pipe through hole and is connected with the main decoration pipe through an anchorage device.
3. A boom system for easy replacement of a boom as claimed in claim 1, wherein:
the auxiliary lacing tube is provided with an auxiliary lacing tube through hole, and the upper end of the temporary suspender penetrates through the auxiliary lacing tube through hole and is connected with the auxiliary lacing tube through an anchorage device.
4. A boom system for easy replacement of a boom according to claim 1 or 2, wherein:
the main leveling steel plate is arranged on the main decorating pipe and provided with a main leveling steel plate through hole for accommodating the main hanging rod to pass through.
5. A boom system for easy replacement of a boom according to claim 1 or 3, wherein:
the auxiliary decoration pipe is provided with an auxiliary leveling steel plate, and the auxiliary leveling steel plate is provided with an auxiliary leveling steel plate through hole for accommodating a temporary suspender to pass through.
6. A boom system for easy replacement of a boom as claimed in claim 1, wherein:
stiffening plates are arranged on two sides of the fork ear plate.
7. A boom system for easy replacement of a boom according to claim 1 or 2, wherein:
the main jib lower extreme is provided with the main jib jack, main lewis hole with the main jib jack is provided with main bolt in order to realize the main jib with the connection of fork ear plate.
8. A boom system for easy replacement of a boom according to claim 1 or 3, wherein:
the interim jib lower extreme is provided with interim jib jack, vice lewis hole with interim jib jack is provided with vice bolt in order to realize interim jib with the connection of fork ear plate.
9. A boom system for easy replacement of a boom as claimed in claim 1, wherein:
the diameter of the section of the temporary hanging rod is smaller than that of the section of the main hanging rod.
10. A construction method for replacing a boom using the boom system of claims 1 to 9, comprising the steps of:
s1, when installing arch ribs, installing a main lacing tube and an auxiliary lacing tube at the same time, when installing a bridge deck beam, welding a fork lug plate with an auxiliary hanging hole, installing a main hanging rod, and after completing bridge construction, performing formal operation on the bridge;
s2, when the main suspender 6 needs to be replaced, a temporary suspender is purchased or manufactured, the temporary suspender is installed, the upper end of the temporary suspender is connected with the auxiliary studding pipe, the lower end of the temporary suspender is connected with the fork lug plate, the tension of the main suspender is released, the main suspender is disassembled and replaced, and the temporary suspender is disassembled after the replacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210251251.1A CN114592420A (en) | 2022-03-15 | 2022-03-15 | Suspender system for simply replacing suspender and construction method for replacing suspender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210251251.1A CN114592420A (en) | 2022-03-15 | 2022-03-15 | Suspender system for simply replacing suspender and construction method for replacing suspender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114592420A true CN114592420A (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210251251.1A Pending CN114592420A (en) | 2022-03-15 | 2022-03-15 | Suspender system for simply replacing suspender and construction method for replacing suspender |
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| Country | Link |
|---|---|
| CN (1) | CN114592420A (en) |
Citations (10)
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|---|---|---|---|---|
| CH194388A (en) * | 1936-05-01 | 1937-12-15 | Coray Richard | Process for the construction of an arch bridge with a roadway below, suspended by means of hanging rods, designed as a concrete slab and an arch bridge created according to the process. |
| CN102926332A (en) * | 2012-11-09 | 2013-02-13 | 武汉二航路桥特种工程有限责任公司 | Derrick arrangement of tools for replacing steel arch bridge suspender and replacing method thereof |
| CN103485285A (en) * | 2013-08-30 | 2014-01-01 | 河南省交通科学技术研究院有限公司 | Replacement method of rigid hanger of tied-arch bridge |
| CN203593944U (en) * | 2013-11-28 | 2014-05-14 | 中铁第一勘察设计院集团有限公司 | Connecting structure for steel bar hanging rod and concrete |
| CN204112242U (en) * | 2014-09-03 | 2015-01-21 | 武汉二航路桥特种工程有限责任公司 | A kind of Concrete Filled Steel-tube Truss Arch Bridge suspender replacement special tool boom system |
| CN205188797U (en) * | 2015-11-30 | 2016-04-27 | 湖州交通规划设计院 | Concrete tied arch bridge jib casts anchor and holds connection structure |
| CN205557349U (en) * | 2015-12-30 | 2016-09-07 | 杭州市市政工程集团有限公司 | Device is changed to jib |
| CN108797381A (en) * | 2017-04-26 | 2018-11-13 | 武汉二航路桥特种工程有限责任公司 | A kind of sunpender dismounting replacing options |
| CN211922245U (en) * | 2019-12-31 | 2020-11-13 | 中交路桥华南工程有限公司 | Arch bridge and suspender anchoring structure thereof |
| CN111996930A (en) * | 2020-09-15 | 2020-11-27 | 兰州交通大学工程检测有限公司 | Novel replacement structure and replacement method for reinforced concrete through arch bridge suspender |
-
2022
- 2022-03-15 CN CN202210251251.1A patent/CN114592420A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH194388A (en) * | 1936-05-01 | 1937-12-15 | Coray Richard | Process for the construction of an arch bridge with a roadway below, suspended by means of hanging rods, designed as a concrete slab and an arch bridge created according to the process. |
| CN102926332A (en) * | 2012-11-09 | 2013-02-13 | 武汉二航路桥特种工程有限责任公司 | Derrick arrangement of tools for replacing steel arch bridge suspender and replacing method thereof |
| CN103485285A (en) * | 2013-08-30 | 2014-01-01 | 河南省交通科学技术研究院有限公司 | Replacement method of rigid hanger of tied-arch bridge |
| CN203593944U (en) * | 2013-11-28 | 2014-05-14 | 中铁第一勘察设计院集团有限公司 | Connecting structure for steel bar hanging rod and concrete |
| CN204112242U (en) * | 2014-09-03 | 2015-01-21 | 武汉二航路桥特种工程有限责任公司 | A kind of Concrete Filled Steel-tube Truss Arch Bridge suspender replacement special tool boom system |
| CN205188797U (en) * | 2015-11-30 | 2016-04-27 | 湖州交通规划设计院 | Concrete tied arch bridge jib casts anchor and holds connection structure |
| CN205557349U (en) * | 2015-12-30 | 2016-09-07 | 杭州市市政工程集团有限公司 | Device is changed to jib |
| CN108797381A (en) * | 2017-04-26 | 2018-11-13 | 武汉二航路桥特种工程有限责任公司 | A kind of sunpender dismounting replacing options |
| CN211922245U (en) * | 2019-12-31 | 2020-11-13 | 中交路桥华南工程有限公司 | Arch bridge and suspender anchoring structure thereof |
| CN111996930A (en) * | 2020-09-15 | 2020-11-27 | 兰州交通大学工程检测有限公司 | Novel replacement structure and replacement method for reinforced concrete through arch bridge suspender |
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