CN115305856A - Special waveform guardrail for extra-large ultrahigh road - Google Patents
Special waveform guardrail for extra-large ultrahigh road Download PDFInfo
- Publication number
- CN115305856A CN115305856A CN202211013392.6A CN202211013392A CN115305856A CN 115305856 A CN115305856 A CN 115305856A CN 202211013392 A CN202211013392 A CN 202211013392A CN 115305856 A CN115305856 A CN 115305856A
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- China
- Prior art keywords
- shaped steel
- lane
- connecting piece
- stand
- road
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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
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0407—Metal rails
- E01F15/0423—Details of rails
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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
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0407—Metal rails
- E01F15/0438—Spacers between rails and posts, e.g. energy-absorbing means
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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
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0461—Supports, e.g. posts
-
- 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
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0476—Foundations
-
- 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
- E01F15/145—Means for vehicle stopping using impact energy absorbers
- E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
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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
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a special waveform guardrail for an extra-large ultrahigh road, which is arranged on the outer side of a lane and comprises an H-shaped steel upper stand column, an H-shaped steel connecting piece and an H-shaped steel lower stand column which are sequentially connected, wherein the H-shaped steel connecting piece is transversely arranged, the H-shaped steel lower stand column is vertically arranged, the top end of the H-shaped steel lower stand column extends upwards out of the transverse plane where the upper edge of the lane is located and then is connected with the bottom of the H-shaped steel connecting piece, the H-shaped steel upper stand column inclines towards the direction where the lane is located, the central shaft where the H-shaped steel upper stand column is located and the central shaft where the H-shaped steel connecting piece is located form an included angle, and at least one anti-blocking block is arranged on one side of the H-shaped steel upper stand column towards the direction where the lane is located. The invention can prevent vehicles from crossing the guard rail, and the upright post can be bent into different angles to meet the requirements of different road superelevation, has unique advantages in the aspects of safety and practicability, is verified and calculated by modeling finite element, and can be used for road super-elevation sections through the full-scale test and certification of a real vehicle.
Description
Technical Field
The invention belongs to the technical field of road anti-collision guardrails, and particularly relates to a special waveform guardrail for an extra-large ultrahigh road.
Background
The high-speed loop in the automobile test field is a main field for testing the highest vehicle speed, the endurance test and the performance test of the vehicle, and the highest vehicle speed of the vehicle can reach 240km/h. Due to the limitation of a test field, the radius of a circular curve of the high-speed loop is generally smaller than 800m, in order to balance the centrifugal force of a vehicle in a curve section, a super-high guardrail (an ultra-high angle is generally larger than 40 degrees) needs to be arranged in the curve section of a road, the conventional vertical guardrail structure cannot be perpendicular to a super-high road surface, the protection height is insufficient, the vertical guardrail structure cannot be bent, the strength is insufficient, and the vertical guardrail structure cannot be applied to the running working condition of the vehicle. In order to prevent vehicles from going out of roads, reduce the injury degree of passengers and reduce property loss, a special guardrail structure is urgently needed.
Disclosure of Invention
In view of the above, the present invention provides a special waveform guardrail for extra-large ultrahigh roads, so as to solve the defects in the prior art.
In order to achieve the purpose, the purpose of the invention is realized by the following technical scheme:
the utility model provides a special type waveform guardrail of super-huge superelevation road locates the outside in lane, stand under H shaped steel upper column, H shaped steel connecting piece and the H shaped steel that connects gradually, H shaped steel connecting piece transverse arrangement, stand vertical arrangement under the H shaped steel, the top of stand upwards stretches out under the H shaped steel connect behind the last edge place transverse plane in lane the bottom of H shaped steel connecting piece, H shaped steel upper column orientation lane place direction slope, H shaped steel upper column place center pin with H shaped steel connecting piece place center pin forms the contained angle, H shaped steel upper column orientation one side in lane place direction is equipped with at least one and prevents the piece that hinders.
According to the special waveform guardrail for the extra-large ultrahigh road, two lower anti-blocking blocks which are vertically distributed are arranged on the lower side of one side, facing the direction of the lane, of the upper H-shaped steel stand column, a wave plate is arranged on the top surface, facing the direction of the lane, of the lower anti-blocking blocks, and an upper anti-blocking block is arranged on the upper side, facing the side of one side, facing the direction of the lane, of the upper H-shaped steel stand column.
The special waveform guardrail for the extra-large ultrahigh road comprises a lower anti-blocking block and an upper anti-blocking block which are rectangular blocks, wherein a group of bolt holes are transversely distributed in the top surface of the lower anti-blocking block, and two groups of bolt holes are uniformly distributed in the top surface of the upper anti-blocking block.
According to the special waveform guardrail for the extra-large and ultra-high road, the lower H-shaped steel upright posts are installed by adopting a drilling method, and post pits are backfilled by adopting C25 plain concrete after the upright posts are positioned.
According to the special waveform guardrail for the extra-large ultrahigh road, the top end of the H-shaped steel lower upright post is connected with the bottom of the H-shaped steel connecting piece through a flange.
The technical scheme of the invention has the beneficial effects that:
the invention can prevent vehicles from crossing the guard rail, and effectively strengthen the connection of the upright posts, so that the front upright post and the rear upright post bear the force together: the upright posts can be bent into different angles, so that the wave plates are perpendicular to the road surface with large and ultrahigh heights to meet the requirement of different road ultrahigh heights, the defects that the traditional guardrail cannot be bent and has insufficient strength are overcome, and the novel guardrail has unique advantages in the aspects of safety and practicability;
the invention overcomes the defects that the conventional guardrail can not be vertical to the large and ultrahigh road surface and the protection height is not enough, the H-shaped steel upright post provides higher rigidity and is easy to process, the wave surface of the guardrail is vertical to the road surface, the safety is higher when a vehicle has an accident, and the upright post is vertically driven into the ground, thereby facilitating the construction;
the invention can be used for the super-large and super-high section of the road after modeling finite element checking and verification through a real-vehicle full-scale test.
Drawings
To further illustrate the above objects, structural features and effects of the present invention, the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a side view of FIG. 1;
FIGS. 3a, 3b and 3c are front, side and top views, respectively, of a lower anti-snag block of the present invention;
FIGS. 4a, 4b and 4c are front, side and top views, respectively, of an upper anti-snag block of the present invention;
wherein: 0. a lane; 1. an upper upright column of the H-shaped steel; 2. h-shaped steel connecting pieces; 3. h-shaped steel lower upright columns; 4. a lower anti-blocking block; 5. a wave plate; 6. an upper anti-blocking block; 7. bolt holes; 8. and (4) a flange.
Detailed Description
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
Referring to fig. 1 and 2, the special waveform guardrail for the extra-large ultrahigh road is arranged on the outer side of a lane 0 and comprises an upper H-shaped steel upright 1, an H-shaped steel connecting piece 2 and a lower H-shaped steel upright 3 which are sequentially connected, wherein the upper H-shaped steel upright 1, the H-shaped steel connecting piece 2 and the lower H-shaped steel upright 3 are spliced I-shaped steel uprights. H shaped steel connecting piece 2 transverse arrangement, 3 vertical arrangements of stand under the H shaped steel, the top of stand 3 upwards stretches out the bottom of connecting H shaped steel connecting piece 2 behind the horizontal plane in lane 0's top edge place under the H shaped steel, stand 1 inclines towards lane 0 place direction on the H shaped steel, stand 1 place center pin forms the contained angle with H shaped steel connecting piece 2 place center pin on the H shaped steel, stand 1 is equipped with at least one and prevents the piece towards one side of lane 0 place direction on the H shaped steel.
In the preferred embodiment of the scheme, two lower anti-blocking blocks 4 distributed up and down are arranged on the lower side of one side of an H-shaped steel upper upright post 1 facing the direction of the lane 0, a wave plate 5 is arranged on the top surface of the lower anti-blocking blocks 4 facing the direction of the lane 0, and an upper anti-blocking block 6 is arranged on the upper side of one side of the H-shaped steel upper upright post 1 facing the direction of the lane 0.
Referring to fig. 3a, 3b, 3c, 4a, 4b and 4c, the lower anti-blocking block 4 and the upper anti-blocking block 6 are rectangular blocks, a group of bolt holes 7 are transversely distributed on the top surface of the lower anti-blocking block 4, and two groups of bolt holes 7 are uniformly distributed on the top surface of the upper anti-blocking block 6. The skilled artisan will appreciate that the apertures of the bolt holes 7 may be formed by any suitable process, such as drilling, in-situ casting, or additive manufacturing (e.g., 3D printing).
In order to ensure that the guardrail is accurately positioned, the H-shaped steel lower upright post 3 is installed by adopting a drilling method, and a post pit is backfilled by adopting C25 plain concrete after the upright post is positioned.
The upper H-shaped steel upright post 1 is welded with the H-shaped steel connecting piece 2, and the top end of the lower H-shaped steel upright post 3 is connected with the bottom of the H-shaped steel connecting piece 2 through a flange 8. The H-shaped steel upper upright post 1 and the H-shaped steel connecting piece 2 can be cut and welded into different included angles, the included angle can be larger than 40 degrees, and the requirement of ultrahigh of different roads can be met. The position of the lower anti-blocking block 4 can be flexibly adjusted according to the type of the vehicle, and the upper anti-blocking block 6 is a square steel bar. Generally, the flange connection uses square flanges and high-strength bolts, and all steel materials use Q235 steel, but the invention is not limited thereto.
The invention can prevent vehicles from crossing the guard rail, and effectively strengthen the connection of the upright posts, so that the front upright post and the rear upright post bear the force together: the stand can be buckled into different angles, makes the road surface of ripples board perpendicular to big superelevation to satisfy the requirement that different roads are superelevation, overcome traditional guardrail and can't buckle and intensity not enough shortcoming, have the advantage alone in the aspect of security, practicality.
The invention overcomes the defects that the conventional guardrail can not be vertical to a large and ultrahigh road surface and the protection height is not enough, the H-shaped steel upright post provides higher rigidity and is easy to process, the wave surface of the guardrail is vertical to the road surface, the safety is higher when a vehicle has an accident, and the upright post is vertically driven into the ground, thereby facilitating the construction.
The invention can be used for the super-large and super-high section of the road after modeling finite element checking and verification through a real-vehicle full-scale test.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a special type wave form guardrail of super-large superelevation road, locates the outside in lane (0), its characterized in that, stand (3) under stand (1), H shaped steel connecting piece (2) and the H shaped steel that connect gradually, H shaped steel connecting piece (2) transverse arrangement, stand (3) vertical arrangement under the H shaped steel, the top of stand (3) upwards stretches out under the H shaped steel connect behind the horizontal plane in last edge place of lane (0) the bottom of H shaped steel connecting piece (2), stand (1) orientation on the H shaped steel lane (0) place direction slope, stand (1) center pin on the H shaped steel with H shaped steel connecting piece (2) place center pin forms the contained angle, stand (1) orientation on the H shaped steel one side in lane (0) place direction is equipped with at least one and prevents hindering the piece.
2. The special waveform guardrail for the extra-high road according to claim 1, wherein two lower anti-blocking blocks (4) are arranged at the lower side of one side of the H-shaped steel upper upright post (1) facing the lane (0) in the vertical direction, a wave plate (5) is arranged at the top surface of the lower anti-blocking block (4) facing the lane (0), and an upper anti-blocking block (6) is arranged at the upper side of one side of the H-shaped steel upper upright post (1) facing the lane (0).
3. The special waveform guardrail for the extra-high road according to claim 2, wherein the lower block (4) and the upper block (6) are rectangular blocks, a group of bolt holes (7) are transversely distributed on the top surface of the lower block (4), and two groups of bolt holes (7) are uniformly distributed on the top surface of the upper block (6).
4. The special waveform guardrail for the extra-large ultrahigh road as claimed in claim 1, wherein the H-shaped steel lower upright column (3) is installed by adopting a drilling method, and a column pit is backfilled by adopting C25 plain concrete after the upright column is positioned.
5. The special waveform guardrail for the extra-large ultrahigh road as claimed in claim 1, wherein the top end of the H-shaped steel lower upright post (3) is connected with the bottom of the H-shaped steel connecting piece (2) through a flange (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211013392.6A CN115305856A (en) | 2022-08-23 | 2022-08-23 | Special waveform guardrail for extra-large ultrahigh road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211013392.6A CN115305856A (en) | 2022-08-23 | 2022-08-23 | Special waveform guardrail for extra-large ultrahigh road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115305856A true CN115305856A (en) | 2022-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211013392.6A Pending CN115305856A (en) | 2022-08-23 | 2022-08-23 | Special waveform guardrail for extra-large ultrahigh road |
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| Country | Link |
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| CN (1) | CN115305856A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29706657U1 (en) * | 1997-04-14 | 1997-05-28 | Spig Schutzplanken Prod Gmbh | Guardrail arrangement |
| EP3312344A1 (en) * | 2016-10-18 | 2018-04-25 | Bochumer Eisenhütte Heintzmann GmbH & Co. Bau- und Beteiligungs-KG | Guardrail assembly with anchor posts |
| CN108149607A (en) * | 2018-02-07 | 2018-06-12 | 大连大兵救援装备有限公司 | The buffer device for collision that expressway guardrail is equipped with |
| CN213805082U (en) * | 2020-08-07 | 2021-07-27 | 北京华路安交通科技有限公司 | Use multilayer guardrail structure of novel anti-blocking piece |
| CN214116370U (en) * | 2020-12-21 | 2021-09-03 | 河北交通职业技术学院 | Bend guiding device with buffering capacity |
| US20220145554A1 (en) * | 2019-08-27 | 2022-05-12 | Tle.Inc | Smart guardrail |
| CN218562187U (en) * | 2022-08-23 | 2023-03-03 | 上海市政工程设计研究总院（集团）有限公司 | Special waveform guardrail for extra-large ultrahigh road |
-
2022
- 2022-08-23 CN CN202211013392.6A patent/CN115305856A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29706657U1 (en) * | 1997-04-14 | 1997-05-28 | Spig Schutzplanken Prod Gmbh | Guardrail arrangement |
| EP3312344A1 (en) * | 2016-10-18 | 2018-04-25 | Bochumer Eisenhütte Heintzmann GmbH & Co. Bau- und Beteiligungs-KG | Guardrail assembly with anchor posts |
| CN108149607A (en) * | 2018-02-07 | 2018-06-12 | 大连大兵救援装备有限公司 | The buffer device for collision that expressway guardrail is equipped with |
| US20220145554A1 (en) * | 2019-08-27 | 2022-05-12 | Tle.Inc | Smart guardrail |
| CN213805082U (en) * | 2020-08-07 | 2021-07-27 | 北京华路安交通科技有限公司 | Use multilayer guardrail structure of novel anti-blocking piece |
| CN214116370U (en) * | 2020-12-21 | 2021-09-03 | 河北交通职业技术学院 | Bend guiding device with buffering capacity |
| CN218562187U (en) * | 2022-08-23 | 2023-03-03 | 上海市政工程设计研究总院（集团）有限公司 | Special waveform guardrail for extra-large ultrahigh road |
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