CN110144813A - The omnidirection energy-absorbing anti-impact structure of bridge pier - Google Patents
The omnidirection energy-absorbing anti-impact structure of bridge pier Download PDFInfo
- Publication number
- CN110144813A CN110144813A CN201910514069.9A CN201910514069A CN110144813A CN 110144813 A CN110144813 A CN 110144813A CN 201910514069 A CN201910514069 A CN 201910514069A CN 110144813 A CN110144813 A CN 110144813A
- Authority
- CN
- China
- Prior art keywords
- energy
- groove
- sliding block
- connector
- reserved
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- 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
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- 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
-
- 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
- E01F15/141—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 for column or post protection
-
- 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
Abstract
The present invention relates to a kind of omnidirection energy-absorbing anti-impact structures of bridge pier, belong to technical field of road construction.Precast pier column of the present invention is prefabricated steel and concrete structure, and is fixed with friction pile and to prevent from hitting run-off the straight on the ground;Reserved groove, built-in slide way, sliding block and energy dissipation spring all arrange that energy-consuming device, memorial alloy arc panel are vertically connected with two energy-consuming devices with energy-consuming device, pier column is combined into up and down, and centre is connected to precast pier column by T-type cambered surface connector;Crashworthy plate is arranged in outside, Crashworthy plate is directly connected in precast pier column, the deformation of memorial alloy plate causes slipper push spring to consume energy, bridge pier surrounding all arranges the anticollision energy-consuming device, it is connected each other by high resiliency camber connector, when vehicle bumps against high resiliency camber connector, the collective effect of energy-consuming device on two faces can be caused;Structure of the invention is stablized, and connection is simple, and anti-collision effect is obvious.
Description
Technical field
The invention belongs to technical field of road construction, more particularly to a kind of omnidirection energy-absorbing anti-impact structure of bridge pier.
Background technique
Congested in traffic after urban development, building is intensive, and street is difficult to widen, thus overpass become it is a kind of novel
Development trend, since overpass was built on a large scale in recent years, the aerial standing in city comes without several concrete large pillars, to friendship
It colludes sample and brings greatly inconvenience.
In traffic accident, vehicle and the accident rate that bridge pier generates collision are not within minority, therefore, how to solve vehicle collision
The problem of bridge pier, becomes one of urgent problem instantly.Existing bridge pier due to collision when huge can not consume energy of energy and
Huge injury is caused to vehicle and people, and then threatens the life security of people, the anti-collision bridge pier for developing a kind of highly energy-consuming is compeled
In the eyebrows and eyelashes.
Summary of the invention
The purpose of the present invention is being directed to the above-mentioned problems in the prior art, a kind of omnidirection energy consumption of bridge pier is provided
Anticollision device, collision-prevention device, the present invention are arranged in bridge pier surrounding using energy-consuming device, when the elastic deformation of shock can prevent from hitting to people
The damage of body and vehicle, in the case where further ensureing the security of the lives and property of people, it is simple to have invented a kind of structure, installation
It is convenient, the omnidirection energy-absorbing anti-impact structure with certain deformation and energy consumption effect.
The technical solution adopted by the invention is as follows:
A kind of omnidirection energy-absorbing anti-impact structure of bridge pier, including precast pier column, memorial alloy arc panel, Crashworthy plate, T-type cambered surface
Connector, reserved groove, built-in slide way, T-type rib, round groove, square type groove, limit for height rib, sliding block, slipping rib, sliding block connector,
Friction pile, reserved stake holes, high-strength bolt, prepared screw-bolt hole, high resiliency camber connector, energy dissipation spring;
The precast pier column is prefabricated steel reinforced concrete square rod structure, on each face of precast pier column, cloth symmetrical above and below
Two reserved grooves are set, reserving groove section shape is rectangle, and a built-in slide way is respectively arranged in two sides, is reserved in groove close to outer
The half space layout sliding block of side, another half space is interior to arrange energy dissipation spring;The sliding block section is rectangle, and length is
The half of reserved groove, rectangular shape is agreed with reserved groove section rectangle, and sliding block two sides arrange that size caters to altogether
Two slipping ribs of built-in slide way enable sliding block to be oriented sliding in reserved groove, reserve groove, built-in slide way, sliding block
Match with energy dissipation spring and is combined into energy-consuming device;It is centrally arranged on the outside of the sliding block there are two sliding block connector, cloth on sliding block connector
It is equipped with prepared screw-bolt hole, the distance between two sliding block connectors are the thickness of memorial alloy arc panel, between two sliding block connectors
Distance be memorial alloy arc panel thickness, two reserved bolts are respectively arranged in the horizontal connection end above and below memorial alloy arc panel
Hole, it is corresponding with the prepared screw-bolt hole position on the sliding block connector that precast pier column is ipsilateral respectively, it is fixed using high-strength bolt;Institute
Center arrangement is disposed with round groove on T-type rib there are two T-type rib on each face of precast pier column stated;
The T-type cambered surface connector web position is a circular columns, and section diameter of a circle corresponds to the section of round groove
Diameter of a circle, and round inside grooves are disposed with energy dissipation spring, the T-type cambered surface connector flange surfaces are arc, with note
Recall alloy arc plate surface to fit, and memorial alloy arc panel center and T-type cambered surface connector flange surfaces are all arranged
There is the corresponding prepared screw-bolt hole in position, is fixed using high-strength bolt;In precast pier column upper and lower, the outside for reserving groove is each
It is disposed with a square type groove;
The anticollision board ends are respectively disposed with square type connecting plate, and the rectangular dimension of square type groove corresponds to anticollision board ends
It is all disposed with prepared screw-bolt hole on the size of square type connecting plate, square type connecting plate and square type groove, is fixed using high-strength bolt;
On precast pier outer surface of column, limit for height rib, the height of limitation energy-consuming device arrangement are disposed on the upside of square type groove;It is prefabricated
The bottom of pier column is equipped with support, and the four sides direction position of support is disposed with reserved stake holes, interior to be fixed to ground using friction pile
The lower soil body further reinforces the stability of precast pier column, prevents the inclination for hitting caused precast pier column.
It is connected between the Crashworthy plate at precast pier column four sides using high resiliency camber connector, is fixed using high-strength bolt,
Occur when hitting in high resiliency camber connector, due to its high resiliency, the energy-consuming device that can be linked on two faces is jointly motor-driven, greatly
Amplitude consumes energy.
Further, Crashworthy plate and memorial alloy arc panel, high resiliency camber connector are that arcuate structure high resiliency camber connects
Two connecting pins of fitting are equipped with prepared screw-bolt hole, and two middle side parts of Crashworthy plate are equipped with prepared screw-bolt hole.
Further, the upper and lower side level of memorial alloy arc panel extends inwardly to form horizontal connection end.
Further, inside protrusion is arranged in the outer surface for reserving groove.
Beneficial effects of the present invention:
All arrangement anticollision energy-consuming device, Crashworthy plate have certain denaturation ability, load are passed to inside bridge pier surrounding of the present invention
When, Memorability alloy sheets and the energy dissipation spring elasticity having and the load that energy-dissipating property generates shock consume, and reinforce to people
With the protection of vehicle, further the structure of bridge pier is protected not to be destroyed, and can restored to the original state after collision, surrounding is prevented
Energy-consuming device is hit to be linked together by high resiliency connector, when hit occur at this when, the devices of the two sides that can link simultaneously into
Row energy consumption.Great advantage of the invention is that the device is arranged in bridge pier surrounding and is connected to each other, and load when shock will not be made
Used in bridge pier itself, sound construction and the security of the lives and property of people ensure that.
Detailed description of the invention
Fig. 1 is the omnidirection energy-absorbing anti-impact structure structure on two sides schematic diagram of pier of the present invention;
Fig. 2 is the connection structure diagram of T-type rib, connector memorial alloy arc panel;
Fig. 3 is memorial alloy arc panel and sliding block and precast pier column and Crashworthy plate connection structure diagram;
Fig. 4 connect facing structure figure with memorial alloy arc panel for precast pier column;
Fig. 5 connect front view with Crashworthy plate for precast pier column;
Fig. 6 is the 3 D stereo schematic diagram of sliding block;
Fig. 7 is the energy-consuming device facing structure figure of reserved inside grooves;
Fig. 8 is the omnidirection energy-absorbing anti-impact structure top view of pier of the present invention;
Fig. 9 is Crashworthy plate and high resiliency camber connector connection schematic diagram;
Figure 10 is the structural schematic diagram of reserved groove 5;
Figure 11 is reserved groove main view;
In figure: 1 be precast pier column, 2 be memorial alloy arc panel, 3 be Crashworthy plate, 3-1 is square type connecting plate, 4 is T-type cambered surface
Connector, 5 for reserved groove, 6 are built-in slide way, 7 are T-type rib, 8 are round groove, 9 are square type groove, 10 are limit for height rib, 11
It is slipping rib for sliding block, 12,13 be sliding block connector, 14 be friction pile, 15 be reserved stake holes, 16 be high-strength bolt, 17 is reserved
Bolt hole, 18 be high resiliency camber connector, 19 be energy dissipation spring.
Specific embodiment
In order to further illustrate the present invention, the present invention is described in detail with reference to the accompanying drawings and embodiments, but not
They can be interpreted as limiting the scope of the present invention.
Embodiment:
As shown in Fig. 1-10, a kind of omnidirection energy-absorbing anti-impact structure of bridge pier, including precast pier column 1, memorial alloy arc panel
2, Crashworthy plate 3, T-type cambered surface connector 4, reserved groove 5, built-in slide way 6, T-type rib 7, round groove 8, square type groove 9, limit for height
Rib 10, sliding block 11, slipping rib 12, sliding block connector 13, friction pile 14, reserved stake holes 15, high-strength bolt 16, prepared screw-bolt hole 17,
High resiliency camber connector 18, energy dissipation spring 19;
The precast pier column 1 is prefabricated steel reinforced concrete square rod structure, symmetrical above and below on each face of precast pier column 1
Arrange two reserved grooves 5, reserving 5 cross sectional shape of groove is rectangle, and a built-in slide way 6 is respectively arranged in two sides, is reserved in groove 5
Half space layout sliding block 11 close to outside, another half space is interior to arrange energy dissipation spring 19;11 section of sliding block is square
Shape, 11 length of sliding block are the half of reserved groove 5, and rectangular shape is agreed with reserved 5 section rectangle of groove, and 11 liang of sliding block
Side arranges that size caters to two slipping ribs 12 of built-in slide way 6 altogether, and sliding block 11 is enable to be oriented cunning in reserved groove 5
It is dynamic, it is centrally arranged on the outside of the sliding block 11 there are two sliding block connector 13, is disposed with prepared screw-bolt hole 17 on sliding block connector 13, two
The distance between a sliding block connector 13 is the thickness of memorial alloy arc panel 2, and the distance between two sliding block connectors 13 are memory
Two prepared screw-bolt holes 17 are respectively arranged in the thickness of alloy arc panel 2, the horizontal connection end of about 2 memorial alloy arc panel, respectively
It is corresponding with 17 position of prepared screw-bolt hole on the sliding block connector 13 that precast pier column 1 is ipsilateral, it is fixed using high-strength bolt 16;Institute
Center arrangement is disposed with round groove 8 on T-type rib 7 there are two T-type rib 7 on each face of precast pier column 1 stated;
4 web position of T-type cambered surface connector is a circular columns, and section diameter of a circle corresponds to cutting for round groove 8
Face diameter of a circle, and energy dissipation spring 19 is disposed with inside round groove 8,4 flange surfaces of T-type cambered surface connector are arc
Shape fits with 2 surface of memorial alloy arc panel, and 4 edge of a wing of 2 center of memorial alloy arc panel and T-type cambered surface connector
Surface is all disposed with the corresponding prepared screw-bolt hole 17 in position, fixed using high-strength bolt 16;In 1 upper and lower of precast pier column,
The outside of reserved groove 5 is respectively disposed with a square type groove 9;
3 both ends of Crashworthy plate are respectively disposed with square type connecting plate 3-1, and the rectangular dimension of square type groove 9 corresponds to Crashworthy plate 3
It is all disposed with prepared screw-bolt hole 17 on the size of the square type connecting plate 3-1 at both ends, square type connecting plate 3-1 and square type groove 9, is used
High-strength bolt 16 is fixed;
On 1 outer surface of precast pier column, limit for height rib 10, the height of limitation energy-consuming device arrangement are disposed on the upside of square type groove 9;
The bottom of precast pier column 1 is equipped with support, and the four sides direction position of support is disposed with reserved stake holes 15, interior to use friction pile 14
Fixed to the underground soil body, the stability of precast pier column 1 is reinforced, the inclination for hitting caused precast pier column 1 is prevented.It is prefabricated
It is connected between the Crashworthy plate 3 at 1 four sides of pier column using high resiliency camber connector 18, it is fixed using high-strength bolt 16, work as shock
Occur in high resiliency camber connector 18, due to its high resiliency, the energy-consuming device that can be linked on two faces is jointly motor-driven, significantly
It consumes energy.Crashworthy plate 3 and memorial alloy arc panel 2, high resiliency camber connector 18 are that arcuate structure high resiliency camber connects
Two connecting pins of fitting 18 are equipped with prepared screw-bolt hole 17, and two middle side parts of Crashworthy plate 3 are equipped with prepared screw-bolt hole 17.Memorial alloy
The upper and lower side level of arc panel 2 extends inwardly to form horizontal connection end.Inside protrusion is arranged in the outer surface of reserved groove 5.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of omnidirection energy-absorbing anti-impact structure of bridge pier, including precast pier column (1), memorial alloy arc panel (2), anticollision
Plate (3), T-type cambered surface connector (4), reserved groove (5), built-in slide way (6), T-type rib (7), round groove (8), square type groove
(9), limit for height rib (10), sliding block (11), slipping rib (12), sliding block connector (13), friction pile (14), reserved stake holes (15), high-strength
Bolt (16), prepared screw-bolt hole (17), high resiliency camber connector (18), energy dissipation spring (19);
It is characterized by: the precast pier column (1) is prefabricated steel reinforced concrete square rod structure, in the every of precast pier column (1)
On a face, two reserved grooves (5) of arrangement symmetrical above and below, reserving groove (5) cross sectional shape is rectangle, and two sides are respectively arranged in one
Slideway (6) are set, the half space layout sliding block (11) in groove (5) close to outside is reserved, arrangement energy consumption bullet in another half space
Spring (19);Sliding block (11) section is rectangle, and sliding block (11) length is the half of reserved groove (5), rectangular shape
Agree with reserved groove (5) section rectangle, and sliding block (11) two sides all arrange that size caters to two slidings of built-in slide way (6)
Rib (12) makes sliding block (11) that can be oriented sliding in reserved groove (5), has been centrally arranged two on the outside of the sliding block (11)
A sliding block connector (13) is disposed with prepared screw-bolt hole (17) on sliding block connector (13), the distance between two sliding block connectors (13)
For the thickness of memorial alloy arc panel (2), two reserved bolts are respectively arranged in the horizontal connection end of memorial alloy arc panel (2) up and down
Hole (17), it is corresponding with prepared screw-bolt hole (17) position on the sliding block connector (13) that precast pier column (1) is ipsilateral respectively, it uses
High-strength bolt (16) is fixed;There are two T-type rib (7), T-type ribs for center arrangement on described precast pier column (1) each face
(7) round groove (8) are disposed on;
T-type cambered surface connector (4) web position is a circular columns, and section diameter of a circle corresponds to round groove (8)
Section diameter of a circle, and round groove (8) inside be disposed with energy dissipation spring (19), described T-type cambered surface connector (4) edge of a wing
Surface is arc, is fitted with memorial alloy arc panel (2) surface, and memorial alloy arc panel (2) center and T-type cambered surface
Connector (4) flange surfaces are all disposed with the corresponding prepared screw-bolt hole in position (17), fixed using high-strength bolt (16);Pre-
The outside of pier column (1) upper and lower processed, reserved groove (5) is respectively disposed with a square type groove (9);
Described Crashworthy plate (3) both ends are respectively disposed with square type connecting plate (3-1), and the rectangular dimension of square type groove (9) corresponds to
It is all disposed on the size of the square type connecting plate (3-1) at Crashworthy plate (3) both ends, square type connecting plate (3-1) and square type groove (9) pre-
Bolt hole (17) are stayed, it is fixed using high-strength bolt (16);
On precast pier column (1) outer surface, limit for height rib (10) are disposed on the upside of square type groove (9);The bottom of precast pier column (1)
Portion is equipped with support, and the four sides direction position of support is disposed with reserved stake holes (15), interior to be fixed to underground using friction pile (14)
The soil body;It is connected between the Crashworthy plate (3) at precast pier column (1) four sides using high resiliency camber connector (18), using high-strength spiral shell
Bolt (16) is fixed.
2. the omnidirection energy-absorbing anti-impact structure of bridge pier according to claim 1, it is characterised in that: Crashworthy plate (3) and memory
Alloy arc panel (2), high resiliency camber connector (18) are two connections of arcuate structure high resiliency camber connector (18)
End is equipped with prepared screw-bolt hole (17), and two middle side parts of Crashworthy plate (3) are equipped with prepared screw-bolt hole (17).
3. the omnidirection energy-absorbing anti-impact structure of bridge pier according to claim 1, it is characterised in that: memorial alloy arc panel
(2) upper and lower side level extends inwardly to form horizontal connection end.
4. the omnidirection energy-absorbing anti-impact structure of bridge pier according to claim 1, it is characterised in that: outside reserved groove (5)
Inside protrusion is arranged in surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910514069.9A CN110144813A (en) | 2019-06-14 | 2019-06-14 | The omnidirection energy-absorbing anti-impact structure of bridge pier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910514069.9A CN110144813A (en) | 2019-06-14 | 2019-06-14 | The omnidirection energy-absorbing anti-impact structure of bridge pier |
Publications (1)
Publication Number | Publication Date |
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CN110144813A true CN110144813A (en) | 2019-08-20 |
Family
ID=67591395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910514069.9A Withdrawn CN110144813A (en) | 2019-06-14 | 2019-06-14 | The omnidirection energy-absorbing anti-impact structure of bridge pier |
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CN (1) | CN110144813A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112227275A (en) * | 2020-09-30 | 2021-01-15 | 北京工业大学 | Replaceable foam concrete filled honeycomb pier anti-explosion device and mounting method thereof |
CN113152258A (en) * | 2021-05-08 | 2021-07-23 | 北京工业大学 | Metal energy-consumption type bridge falling-preventing device and installation method thereof |
-
2019
- 2019-06-14 CN CN201910514069.9A patent/CN110144813A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112227275A (en) * | 2020-09-30 | 2021-01-15 | 北京工业大学 | Replaceable foam concrete filled honeycomb pier anti-explosion device and mounting method thereof |
CN113152258A (en) * | 2021-05-08 | 2021-07-23 | 北京工业大学 | Metal energy-consumption type bridge falling-preventing device and installation method thereof |
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Application publication date: 20190820 |
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WW01 | Invention patent application withdrawn after publication |