CN108301308B - Connection structure for arch bridge round steel pipe hanging rod and construction method thereof - Google Patents
Connection structure for arch bridge round steel pipe hanging rod and construction method thereof Download PDFInfo
- Publication number
- CN108301308B CN108301308B CN201810271884.2A CN201810271884A CN108301308B CN 108301308 B CN108301308 B CN 108301308B CN 201810271884 A CN201810271884 A CN 201810271884A CN 108301308 B CN108301308 B CN 108301308B
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- Prior art keywords
- lug plate
- round steel
- notch
- steel pipe
- arch
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 152
- 239000010959 steel Substances 0.000 title claims abstract description 152
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
Abstract
The invention relates to the technical field of design and construction of a steel structure arch bridge, in particular to a connecting structure for a round steel pipe hanging rod of the arch bridge and a construction method thereof, which are characterized in that: the arch bridge round steel pipe suspender adopts round steel pipes or round steel bars and is in full-welded connection, an upper notch matched with the width of the arch rib lug plate in a proper way is formed at the upper end of the arch bridge round steel pipe suspender, and the arch rib lug plate is inserted into the upper notch and welded to finish the connection and fixation between the arch bridge round steel pipe suspender and the arch rib lug plate; the lower end of the arch bridge round steel pipe suspender is provided with a lower incision which is matched with the width of the steel beam lug plate in a proper mode, and the steel beam lug plate is inserted into the lower incision and welded to complete connection and fixation between the arch bridge round steel pipe suspender and the steel beam lug plate. The invention has the advantages that: compared with a flexible suspender, the rigidity of the steel suspender is high, and the joint stress performance of the arch rib and the steel girder is better; in addition, the boom tensioning process is saved, and the construction period is shortened.
Description
Technical Field
The invention relates to the technical field of design and construction of steel structure arch bridges, in particular to a connecting structure for a round steel pipe hanging rod of an arch bridge and a construction method thereof.
Background
At present, a flexible boom anchoring system or a rigid boom bolting system is generally adopted for the domestic boom, the former has small vertical rigidity, cannot provide lateral rigidity and has poor overall performance, in addition, a tensioning process is required, the later relaxation is larger, and the anchoring position is easy to be corroded by water; the latter has high field installation precision requirement, more construction procedures and difficult anti-corrosion treatment. With the progress of welding technology, some on-site welding seams can be realized, the quality meets the standard requirements, and a new suspender construction process is required to be provided for improving the rigidity of the bridge, facilitating on-site construction and increasing durability.
Disclosure of Invention
According to the defects of the prior art, the invention provides the connecting structure for the circular steel pipe hanging rod of the arch bridge and the construction method thereof, and the circular steel pipe or the circular steel rod is adopted as the hanging rod of the steel arch bridge, and the notch for connecting with the arch rib and the steel beam is arranged on the hanging rod, so that the whole welding of the hanging rod is realized, meanwhile, the rigidity is improved, the site construction is convenient, the durability is improved, and the applicability is strong.
The invention is realized by the following technical scheme:
a connection structure for arched bridge round steel pipe jib, arched bridge round steel pipe jib's upper and lower both ends are connected fixedly, its characterized in that with the otic placode of arch rib and girder steel respectively: the arch bridge round steel pipe suspender adopts round steel pipes or round steel bars and is in full-welded connection, an upper notch matched with the width of the arch rib lug plate in a proper way is formed at the upper end of the arch bridge round steel pipe suspender, and the arch rib lug plate is inserted into the upper notch and welded to finish the connection and fixation between the arch bridge round steel pipe suspender and the arch rib lug plate; the lower end of the arch bridge round steel pipe suspender is provided with a lower incision which is matched with the width of the steel beam lug plate in a proper mode, and the steel beam lug plate is inserted into the lower incision and welded to complete connection and fixation between the arch bridge round steel pipe suspender and the steel beam lug plate.
And arch rib lug plate cuts are formed in the arch rib lug plates and are matched with the outer diameter width of the arch bridge round steel pipe suspender, and the upper cuts are inserted into the arch rib lug plate cuts to be connected in a cross mode and connected in a fillet weld mode.
The depth of the arch rib lug plate notch is the same as the depth of the upper notch.
And the steel beam lug plate is provided with a steel beam lug plate notch which is matched with the outer diameter width of the arch bridge round steel pipe suspender, and the lower notch is inserted into the steel beam lug plate notch for cross connection and fillet weld connection.
The depth of the steel beam ear plate notch is the same as that of the lower notch.
The upper notch and the arch rib lug plate are sealed by steel plate welding; the lower notch and the steel beam lug plate are sealed by steel plate welding.
The construction method of the connecting structure for the arch bridge round steel pipe hanging rod is characterized by comprising the following steps of: the method comprises the steps that an upper notch and a lower notch are respectively prefabricated at the upper end and the lower end of an arch bridge round steel pipe suspender during manufacturing; prefabricating a rib lug plate notch and a steel beam lug plate notch respectively when manufacturing the rib lug plate and the steel beam lug plate; and the upper notch of the arch bridge round steel pipe suspender is in cross connection with the arch rib lug plate notch of the arch rib lug plate at a construction site and then welded and fixed, and the lower notch of the arch bridge round steel pipe suspender is in cross connection with the steel beam lug plate notch of the steel beam lug plate and then welded and fixed.
The invention has the advantages that: 1) Compared with a flexible suspender, the rigidity of the steel suspender is high, and the joint stress performance of the arch rib and the steel girder is better; in addition, the boom tensioning process is saved, and the construction period is shortened; 2) Compared with bolting, the on-site installation is more convenient; meanwhile, the anti-corrosion coating is easy and more durable; 3) The steel arch rib, the round steel pipe suspender and the steel beam form an all-welded structure, are stressed together, have good overall stress performance and high rigidity, particularly greatly increase transverse rigidity, and the wide bridge can be free from a horizontal transverse strut structure; 4) The round steel pipe and the lug plate are provided with the notch, so that the round steel pipe and the lug plate can be welded and combined better, and the stress performance of the local node is better; 5) The method has great popularization and application prospect and obvious application competitive advantage in the design and construction of the medium-span steel structure bridge.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic view of the structure of the arch bridge round steel pipe boom of the present invention;
fig. 4 is a schematic structural view of a steel beam ear plate according to the present invention.
Detailed Description
The features of the invention and other related features are described in further detail below by way of example in conjunction with the following figures to facilitate understanding by those skilled in the art:
as shown in fig. 1 to 4, reference numerals 1 to 6 are respectively represented as: the steel pipe hanger comprises an arch bridge round steel pipe hanger rod 1, a steel beam upper flange 2, a steel beam lug plate 3, a lower notch 4, an end sealing plate 5 and a steel beam lug plate notch 6.
Examples: as shown in fig. 1, the connection structure for the arch bridge round steel pipe boom in the present embodiment is used for installation of the arch bridge round steel pipe boom 1. The drawings in this embodiment mainly describe the installation and fixation between the arch bridge round steel pipe suspender 1 and the steel beam at the bottom thereof, but the installation and fixation mode between the arch bridge round steel pipe suspender 1 and the upper arch rib is the same as the installation and fixation mode between the arch bridge round steel pipe suspender 1 and the steel beam, and the two are only differences in position, and are not repeated in the drawings. The steel beam upper flange 2 is provided with a steel beam lug plate 3, and the arch bridge round steel pipe suspender 1 is fixedly connected with the steel beam lug plate 3.
Specifically, as shown in fig. 3 and 4, the lower end of the arch bridge round steel pipe suspender 1 is provided with a lower notch 4, and the size of the lower notch 4 is matched with the width of the steel beam ear plate 3, so that the requirement that the steel beam ear plate 3 can be inserted into the lower notch 4 in the width direction is met. And a steel beam lug plate notch 6 is formed in the steel beam lug plate 3, the steel beam lug plate notch 6 is matched with the outer diameter width of the arch bridge round steel pipe suspender 1, and the requirement that the lower notch 4 of the arch bridge round steel pipe suspender 1 is inserted into the steel beam lug plate notch 6 is met. The lower notch 4 and the steel beam lug notch 6 have the same notch depth, so that the arc bridge round steel pipe suspender 1 and the steel beam lug 3 can be better welded and combined, and the local node stress performance is better.
As shown in fig. 1 and 2, the arch bridge round steel pipe suspender 1 and the steel beam lug plate 3 are connected by cross connection between the lower notch 4 and the steel beam lug plate notch 6. After the butt joint is completed, fillet weld connection is performed on the lower notch 4 and the steel beam lug notch 6, so that the welding fixation between the arch bridge round steel pipe suspender 1 and the steel beam lug 3 is completed. Simultaneously, the lower extreme lateral part at arched bridge circle steel pipe jib 1 welds has tip shrouding 5, realizes the welded closure through tip shrouding 5.
When the arch bridge round steel pipe suspender 1 is fixedly connected with the arch rib on the upper part of the arch bridge round steel pipe suspender, the connection and fixation mode between the arch bridge round steel pipe suspender 1 and the steel beam lug plate 3 can be referred to, the upper end of the arch bridge round steel pipe suspender 1 is provided with an upper notch, the arch rib lug plate is provided with an arch rib lug plate notch, and the fillet weld connection is carried out after the cross connection of the upper notch and the arch rib lug plate notch is completed, so that the welding and fixation between the arch bridge round steel pipe suspender 1 and the arch rib are completed.
According to the structure, the steel arch rib, the arch bridge round steel pipe suspender 1 and the steel beam form an all-welded structure, are stressed together, have good overall stress performance and high rigidity, particularly greatly increase transverse rigidity, and the wide bridge can be free from a horizontal transverse bracing structure.
The embodiment has the following construction steps in construction:
1) The upper and lower cutouts 4 are respectively prepared at the upper and lower ends thereof at the time of manufacturing the arch bridge round steel pipe boom 1. The upper and lower incisions 4 are each cut at an oblique angle (the lower incision 4 is shown in fig. 3) so as to facilitate fillet welding and subsequent welded closure of the end closure plate 5.
2) The rib lug cutouts and the girder lug cutouts 6 are prefabricated in the production of the rib lug and the girder lug 3, respectively.
3) The upper notch of the arch bridge round steel pipe suspender 1 and the arch rib lug plate notch of the arch rib lug plate are welded and fixed at the construction site and then are welded and sealed by an end sealing plate 5, and the lower notch 4 of the arch bridge round steel pipe suspender 1 and the steel beam lug plate notch 6 of the steel beam lug plate 3 are welded and fixed at the construction site and then are welded and sealed by the end sealing plate 5.
The embodiment is implemented in specific manner: the upper and lower incisions of the arch bridge round steel pipe suspender 1 are all arranged within the range of 0.5 times of the length of the welding seam, and the corresponding arch rib lug plate incisions and the steel beam lug plate incisions which are respectively formed by the upper and lower incisions are also arranged within the range of 0.5 times of the length of the welding seam so as to ensure the welding strength and stability.
The arch bridge round steel pipe suspender 1 can adopt round steel pipes or round steel bars.
Although the foregoing embodiments have been described in some detail with reference to the accompanying drawings, it will be appreciated by those skilled in the art that various modifications and changes may be made thereto without departing from the scope of the invention as defined in the appended claims, and thus are not repeated herein.
Claims (7)
1. A connection structure for arched bridge round steel pipe jib, arched bridge round steel pipe jib's upper and lower both ends are connected fixedly, its characterized in that with the otic placode of arch rib and girder steel respectively: the arch bridge round steel pipe suspender adopts round steel pipes or round steel bars and is in full-welded connection, an upper notch matched with the width of the arch rib lug plate in a proper way is formed at the upper end of the arch bridge round steel pipe suspender, and the arch rib lug plate is inserted into the upper notch and welded to finish the connection and fixation between the arch bridge round steel pipe suspender and the arch rib lug plate; the lower end of the arch bridge round steel pipe suspender is provided with a lower incision which is matched with the width of the steel beam lug plate in a proper mode, and the steel beam lug plate is inserted into the lower incision and welded to complete connection and fixation between the arch bridge round steel pipe suspender and the steel beam lug plate.
2. A connection structure for an arch bridge round steel tube boom according to claim 1, wherein: and arch rib lug plate cuts are formed in the arch rib lug plates and are matched with the outer diameter width of the arch bridge round steel pipe suspender, and the upper cuts are inserted into the arch rib lug plate cuts to be connected in a cross mode and connected in a fillet weld mode.
3. A connection structure for an arch bridge round steel tube boom according to claim 2, wherein: the depth of the arch rib lug plate notch is the same as the depth of the upper notch.
4. A connection structure for an arch bridge round steel tube boom according to claim 1, wherein: and the steel beam lug plate is provided with a steel beam lug plate notch which is matched with the outer diameter width of the arch bridge round steel pipe suspender, and the lower notch is inserted into the steel beam lug plate notch for cross connection and fillet weld connection.
5. A connection structure for an arch bridge round steel tube boom as recited in claim 4, wherein: the depth of the steel beam ear plate notch is the same as that of the lower notch.
6. A connection structure for an arch bridge round steel tube boom according to claim 1, wherein: the upper notch and the arch rib lug plate are sealed by steel plate welding; the lower notch and the steel beam lug plate are sealed by steel plate welding.
7. A construction method related to the connection structure for the arch bridge round steel pipe hanging rod as claimed in claims 1-6, characterized in that: the method comprises the steps that an upper notch and a lower notch are respectively prefabricated at the upper end and the lower end of an arch bridge round steel pipe suspender during manufacturing; prefabricating a rib lug plate notch and a steel beam lug plate notch respectively when manufacturing the rib lug plate and the steel beam lug plate; and the upper notch of the arch bridge round steel pipe suspender is in cross connection with the arch rib lug plate notch of the arch rib lug plate at a construction site and then welded and fixed, and the lower notch of the arch bridge round steel pipe suspender is in cross connection with the steel beam lug plate notch of the steel beam lug plate and then welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810271884.2A CN108301308B (en) | 2018-03-29 | 2018-03-29 | Connection structure for arch bridge round steel pipe hanging rod and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810271884.2A CN108301308B (en) | 2018-03-29 | 2018-03-29 | Connection structure for arch bridge round steel pipe hanging rod and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108301308A CN108301308A (en) | 2018-07-20 |
| CN108301308B true CN108301308B (en) | 2023-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810271884.2A Active CN108301308B (en) | 2018-03-29 | 2018-03-29 | Connection structure for arch bridge round steel pipe hanging rod and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108301308B (en) |
Citations (6)
| 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. |
| EP1905900A2 (en) * | 2006-09-20 | 2008-04-02 | Eiffel Deutschland Stahltechnologie GmbH | Bridge with two framework-type plates and set for its manufacture |
| CN102505761A (en) * | 2011-12-13 | 2012-06-20 | 中船第九设计研究院工程有限公司 | Connection structure of steel pipe truss nodes |
| CN103590321A (en) * | 2013-11-27 | 2014-02-19 | 中铁第四勘察设计院集团有限公司 | Steel tube truss arch bridge |
| CN205501791U (en) * | 2016-03-17 | 2016-08-24 | 中铁第一勘察设计院集团有限公司 | Two recessed arch integrated configurations of steel binder - entity jib - |
| CN208055841U (en) * | 2018-03-29 | 2018-11-06 | 中铁上海设计院集团有限公司 | A kind of connection structure for arch bridge round steel pipe sunpender |
-
2018
- 2018-03-29 CN CN201810271884.2A patent/CN108301308B/en active Active
Patent Citations (6)
| 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. |
| EP1905900A2 (en) * | 2006-09-20 | 2008-04-02 | Eiffel Deutschland Stahltechnologie GmbH | Bridge with two framework-type plates and set for its manufacture |
| CN102505761A (en) * | 2011-12-13 | 2012-06-20 | 中船第九设计研究院工程有限公司 | Connection structure of steel pipe truss nodes |
| CN103590321A (en) * | 2013-11-27 | 2014-02-19 | 中铁第四勘察设计院集团有限公司 | Steel tube truss arch bridge |
| CN205501791U (en) * | 2016-03-17 | 2016-08-24 | 中铁第一勘察设计院集团有限公司 | Two recessed arch integrated configurations of steel binder - entity jib - |
| CN208055841U (en) * | 2018-03-29 | 2018-11-06 | 中铁上海设计院集团有限公司 | A kind of connection structure for arch bridge round steel pipe sunpender |
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| Publication number | Publication date |
|---|---|
| CN108301308A (en) | 2018-07-20 |
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