CN113585060A - Assembled prestressing force anticollision barrier for bridge - Google Patents
Assembled prestressing force anticollision barrier for bridge Download PDFInfo
- Publication number
- CN113585060A CN113585060A CN202110768821.XA CN202110768821A CN113585060A CN 113585060 A CN113585060 A CN 113585060A CN 202110768821 A CN202110768821 A CN 202110768821A CN 113585060 A CN113585060 A CN 113585060A
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- Prior art keywords
- prestressed
- finish
- fixed
- crash barrier
- pipe
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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
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses an assembled prestressed anti-collision guardrail for a bridge, which comprises a bottom plate, wherein two rows of fixed pipes are arranged on the bottom plate, each fixed pipe in one row of fixed pipes is provided with a constructional steel bar, and each fixed pipe in the other row of fixed pipes is provided with a prestressed finish-rolled threaded steel pipe; an anchoring steel plate is arranged between the constructional steel bar and the prestress finish rolling threaded steel pipe; each construction steel bar is arranged with the corresponding prestress finish rolling threaded steel pipe. This assembled prestressing force anticollision barrier for bridge has solved current assembled bridge anticollision barrier mosaic structure unstability, causes the unsatisfactory problem of anticollision effect.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to an assembled prestressed anti-collision guardrail for a bridge.
Background
Under the large background of 'environment-friendly China', an assembled member is taken as a part of 'green building' and is referred to a very important height, the concrete crash barrier in the existing bridge member still exists in a cast-in-place mode as a main construction mode, the assembled concrete crash barrier also appears in some data, but the treatment of the maximum bending moment position of the root part of the inner side of the assembled member in the collision work is only common wet joint, even simple splicing, so that the anti-collision effect is not ideal, and therefore, the invention of the assembled prestressed crash barrier is necessary.
Disclosure of Invention
The invention aims to provide an assembled prestressed anti-collision guardrail for a bridge, which solves the problem that the existing assembled bridge anti-collision guardrail is unstable in splicing structure and causes unsatisfactory anti-collision effect.
In order to solve the technical problem, the invention discloses an assembled prestressed anti-collision guardrail for a bridge, which comprises a bottom plate, wherein two rows of fixed pipes are arranged on the bottom plate, each fixed pipe in one row of fixed pipes is provided with a constructional steel bar, and each fixed pipe in the other row of fixed pipes is provided with a prestressed finish-rolled threaded steel pipe; an anchoring steel plate is arranged between the constructional steel bar and the prestress finish rolling threaded steel pipe; each construction steel bar is arranged with the corresponding prestress finish rolling threaded steel pipe.
The technical scheme of the invention also has the following characteristics:
furthermore, the bottom plate is formed by splicing a plurality of units.
Furthermore, a locking rod is arranged in the fixed pipe; and sliding grooves are formed in the side parts of the construction steel bars and the side parts of the prestress finish rolling threaded steel pipes.
Further, each of the construction steel bars and the corresponding pre-stressed finish-rolled threaded steel pipe are assembled together by bolts.
Further, the upper end of the constructional steel bar is provided with a first guide groove which is vertically arranged and penetrates through two sides of the constructional steel bar, the side part of the upper end of the prestressed finish-rolled threaded steel pipe is provided with a second guide groove which is vertically distributed, and the bolt is assembled between the first guide groove and the second guide groove.
Further, the second guide groove is L-shaped.
Furthermore, a sliding block is placed in the prestress finish rolling threaded steel pipe, one end of the bolt is hinged to the sliding block, and the other end of the bolt is fixed through a nut after extending out of the first guide groove.
Furthermore, supporting tables are arranged outside the construction steel bars and the pre-stress finish-rolled threaded steel pipes, and the anchoring steel plates are arranged on the supporting tables.
Compared with the prior art, the invention has the technical effects that: the assembly type prestress anti-collision guardrail for the bridge is simple to assemble, high in strength and good in stability after all the parts are assembled together, and can achieve a good anti-collision effect; in addition, the assembled prestressed anti-collision guardrail for the bridge, disclosed by the invention, has the advantages of simple overall structure, lower manufacturing cost and better market popularization and application prospect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a fabricated prestressed crash barrier for a bridge according to the present invention;
FIG. 2 is a schematic view illustrating the installation of a fixing pipe in the fabricated prestressed crash barrier for a bridge according to the present invention;
FIG. 3 is a schematic view showing the assembly of structural steel bars or pre-stressed finish-rolled threaded steel tubes in the fabricated pre-stressed crash barrier for a bridge according to the present invention;
FIG. 4 is a schematic structural view of the construction steel bars in the fabricated prestressed crash barrier for a bridge according to the present invention;
FIG. 5 is a schematic structural view of a finish rolling prestressed threaded steel pipe in the fabricated prestressed crash barrier for a bridge according to the present invention;
FIG. 6 is a schematic view showing the assembly of the construction steel bars and the pre-stressed finish-rolled threaded steel pipes in the fabricated pre-stressed crash barrier for a bridge according to the present invention.
In the figure, 1, a bottom plate, 2, a fixed pipe, 3, a constructional steel bar, 4, an anchoring steel plate, 5, a prestressed finish-rolled threaded steel pipe, 6, a nut, 7, a sliding block, 8, a bolt, 9, a locking rod, 10, a sliding groove, 11, a first guide groove, 12, a support table and 13, a second guide groove.
Detailed Description
The following embodiments are described in detail with reference to the accompanying drawings, so that the implementation process of the present invention for solving the technical problems and achieving the technical effects by applying technical means can be fully understood and implemented.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
As shown in fig. 1, the invention discloses an assembled prestressed anti-collision guardrail for a bridge, which comprises a bottom plate 1, wherein two rows of fixed pipes are arranged on the bottom plate 1, each fixed pipe 2 in one row of fixed pipes is provided with a constructional steel bar 3, and each fixed pipe 2 in the other row of fixed pipes is provided with a prestressed finish-rolled threaded steel pipe 5; an anchoring steel plate 4 is arranged between the constructional steel bar 3 and the prestress finish rolling threaded steel pipe 5; each construction steel bar 3 is arranged with a corresponding pre-stressed finish-rolled threaded steel tube 5.
During preassembly, a constructional steel bar 3 is respectively arranged in the front row of the fixed pipes 2, and a prestress finish-rolled threaded steel pipe 5 is respectively arranged in the rear row of the fixed pipes 2. And then, the steel plates are fixed to the upper ends of the plurality of construction steel bars 3 and the plurality of pre-stressed finish-rolled threaded steel pipes 5 by using the anchoring steel plates 4, so that the primary positioning is completed. Finally, each opposite reinforcing steel bar 3 and each prestress finish rolling threaded steel pipe 5 are fixed together to complete assembly.
As shown in fig. 1, in the fabricated prestressed crash barrier for a bridge according to the present invention, a base plate 1 is formed by splicing a plurality of units.
The bottom plate 1 is pre-buried in the bridge bottom surface, and it forms to divide into a plurality of units concatenation, the construction of being convenient for.
Referring to fig. 2 and 3, in the fabricated prestressed crash barrier for a bridge according to the present invention, a locking rod 9 is disposed in the fixing tube 2; the side of the construction steel bar 3 and the side of the pre-stressed finish-rolled threaded steel pipe 5 are provided with sliding grooves 10.
One end of the locking rod 9 extends into a sliding groove 10 arranged on the side part of the construction steel bar 3 or the side part of the pre-stressed finish-rolled threaded steel pipe 5, so that the quick assembly and positioning are facilitated.
As shown in fig. 1, in the fabricated prestressed crash barrier for a bridge according to the present invention, each construction steel bar 3 and the corresponding finish rolled prestressed threaded steel pipe 5 are assembled together by means of bolts 8, so that the rapid assembly and disassembly is facilitated.
Referring to fig. 4 to 6, in the fabricated prestressed crash barrier for a bridge according to the present invention, the upper end of the construction steel bar 3 is provided with the first guide grooves 11 vertically arranged and penetrating both sides of the construction steel bar 3, the upper end side portion of the finish pre-stressed rolled threaded steel pipe 5 is provided with the second guide grooves 13 vertically distributed, the bolts 8 are assembled between the first guide grooves 11 and the second guide grooves 13, and the second guide grooves 13 are L-shaped. A sliding block 7 is placed in the prestress finish rolling threaded steel pipe 5, one end of a bolt 8 is hinged to the sliding block 7, and the other end of the bolt 8 is fixed through a nut 6 after extending out of a first guide groove 11.
The second guide groove 13 is designed to be L-shaped, one end of the bolt 8 is arranged in the first guide groove 11, and the other end of the bolt is hinged with a slide block 14 arranged in the second guide groove 13, so that the design aims to rotate the construction steel bar 3 and the pre-stress finish rolling threaded steel pipe 5 and ensure that the sliding groove 10 on the construction steel bar and the corresponding locking rod 9 can be aligned and fixed.
Referring to fig. 4, in the fabricated prestressed crash barrier for a bridge according to the present invention, support tables 12 are provided outside the structural steel bars 3 and the prestressed finish-rolled threaded steel pipes 5, and the anchor steel plates 4 are provided on the support tables 12.
The anchor steel plates 4 are placed on the plurality of support tables 12, and it is possible to ensure that the anchor steel plates 4 are effectively supported, so that accurate positioning and stable fixing are performed on the plurality of construction steel bars 3 and the pre-stressed finish-rolled threaded steel pipe 5.
Therefore, compared with the prior art, the fabricated prestressed anti-collision guardrail for the bridge is simple to assemble, high in strength and good in stability after all the components are assembled together, and can achieve a good anti-collision effect; in addition, the assembled prestressed anti-collision guardrail for the bridge, disclosed by the invention, has the advantages of simple overall structure, lower manufacturing cost and better market popularization and application prospect.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The assembled prestress anti-collision guardrail for the bridge is characterized by comprising a bottom plate (1), wherein two rows of fixed pipes are arranged on the bottom plate (1), each fixed pipe (2) in one row of fixed pipes is provided with a constructional steel bar (3), and each fixed pipe (2) in the other row of fixed pipes is provided with a prestress finish rolling threaded steel pipe (5); an anchoring steel plate (4) is arranged between the constructional steel bar (3) and the prestress finish rolling threaded steel pipe (5); each construction steel bar (3) and the corresponding pre-stress finish-rolled threaded steel pipe (5) are arranged together.
2. The fabricated prestressed crash barrier for bridges according to claim 1, wherein said base plate (1) is formed by splicing a plurality of units.
3. The fabricated prestressed crash barrier for bridges according to claim 2, wherein a locking rod (9) is provided in said fixed tube (2); and sliding grooves (10) are formed in the side parts of the construction steel bars (3) and the side parts of the prestress finish rolling threaded steel pipes (5).
4. The fabricated prestressed crash barrier for bridges according to claim 3, wherein each of said construction steel bars (3) and the corresponding said finish prestressed threaded steel pipe (5) are assembled together by means of bolts (8).
5. The fabricated prestressed crash barrier for bridges according to claim 4, wherein the upper end of the construction steel bar (3) is provided with a first guide groove (11) vertically arranged and penetrating both sides of the construction steel bar (3), the upper end side portion of the finish pre-stressed rolled threaded steel pipe (5) is provided with a second guide groove (13) vertically distributed, and the bolt (8) is assembled between the first guide groove (11) and the second guide groove (13).
6. Fabricated pre-stressed crash barrier for bridges according to claim 5, characterized in that said second guide groove (13) is L-shaped.
7. The fabricated prestressed crash barrier for bridges according to claim 6, wherein a sliding block (7) is placed in the prestressed finish-rolled threaded steel pipe (5), one end of the bolt (8) is hinged to the sliding block (7), and the other end of the bolt (8) is fixed through a nut (6) after extending out of the first guide groove (11).
8. The fabricated prestressed crash barrier for bridges according to claim 7, wherein a support platform (12) is provided outside each of the construction steel bars (3) and the finish prestressed threaded steel pipes (5), and the anchor steel plates (4) are provided on the support platform (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110768821.XA CN113585060B (en) | 2021-07-07 | 2021-07-07 | Assembled prestressing force anticollision barrier for bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110768821.XA CN113585060B (en) | 2021-07-07 | 2021-07-07 | Assembled prestressing force anticollision barrier for bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113585060A true CN113585060A (en) | 2021-11-02 |
| CN113585060B CN113585060B (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110768821.XA Active CN113585060B (en) | 2021-07-07 | 2021-07-07 | Assembled prestressing force anticollision barrier for bridge |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100123343A (en) * | 2009-05-15 | 2010-11-24 | 우성안전 주식회사 | Guard fence |
| CN202039311U (en) * | 2011-04-14 | 2011-11-16 | 北京深华达交通工程检测有限公司 | Steel tube-round bar combined movable crash barrier |
| CN203923962U (en) * | 2014-06-18 | 2014-11-05 | 孔凡富 | Speedway stress tube anti-collision movable guardrail |
| CN204940174U (en) * | 2015-05-08 | 2016-01-06 | 北京中交路成交通技术有限公司 | Ground locking-type movable rail and comprise its speedway guardrail |
| US9598827B1 (en) * | 2016-08-20 | 2017-03-21 | Victor Nicholas Pavloff, Jr. | Barrier rail retrofit device assembly |
| CN206607530U (en) * | 2017-02-21 | 2017-11-03 | 郑州市交通规划勘察设计研究院 | A kind of town road uses safely guardrail |
| CN207130622U (en) * | 2017-09-11 | 2018-03-23 | 中铁四局集团有限公司 | Basket type anti-collision guardrail construction template |
| CN207130650U (en) * | 2017-06-07 | 2018-03-23 | 南昌航空大学 | A kind of road and bridge are with multiple anticollision barrier |
| CN207633214U (en) * | 2017-11-24 | 2018-07-20 | 警通建设（集团）有限公司 | A kind of bridge guardrail |
| CN211036695U (en) * | 2019-10-14 | 2020-07-17 | 余梁 | Road and bridge anticollision guardrail |
| CN112281654A (en) * | 2020-11-05 | 2021-01-29 | 安徽省公路桥梁工程有限公司 | Semi-assembly type steel skeleton bridge anti-collision guardrail and construction method thereof |
| CN212742204U (en) * | 2020-06-24 | 2021-03-19 | 河南省交通科学技术研究院有限公司 | Arc stand anticollision steel guardrail for bridge |
-
2021
- 2021-07-07 CN CN202110768821.XA patent/CN113585060B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100123343A (en) * | 2009-05-15 | 2010-11-24 | 우성안전 주식회사 | Guard fence |
| CN202039311U (en) * | 2011-04-14 | 2011-11-16 | 北京深华达交通工程检测有限公司 | Steel tube-round bar combined movable crash barrier |
| CN203923962U (en) * | 2014-06-18 | 2014-11-05 | 孔凡富 | Speedway stress tube anti-collision movable guardrail |
| CN204940174U (en) * | 2015-05-08 | 2016-01-06 | 北京中交路成交通技术有限公司 | Ground locking-type movable rail and comprise its speedway guardrail |
| US9598827B1 (en) * | 2016-08-20 | 2017-03-21 | Victor Nicholas Pavloff, Jr. | Barrier rail retrofit device assembly |
| CN206607530U (en) * | 2017-02-21 | 2017-11-03 | 郑州市交通规划勘察设计研究院 | A kind of town road uses safely guardrail |
| CN207130650U (en) * | 2017-06-07 | 2018-03-23 | 南昌航空大学 | A kind of road and bridge are with multiple anticollision barrier |
| CN207130622U (en) * | 2017-09-11 | 2018-03-23 | 中铁四局集团有限公司 | Basket type anti-collision guardrail construction template |
| CN207633214U (en) * | 2017-11-24 | 2018-07-20 | 警通建设（集团）有限公司 | A kind of bridge guardrail |
| CN211036695U (en) * | 2019-10-14 | 2020-07-17 | 余梁 | Road and bridge anticollision guardrail |
| CN212742204U (en) * | 2020-06-24 | 2021-03-19 | 河南省交通科学技术研究院有限公司 | Arc stand anticollision steel guardrail for bridge |
| CN112281654A (en) * | 2020-11-05 | 2021-01-29 | 安徽省公路桥梁工程有限公司 | Semi-assembly type steel skeleton bridge anti-collision guardrail and construction method thereof |
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| Publication number | Publication date |
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| CN113585060B (en) | 2023-01-24 |
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