CN108532458A - A kind of prefabricated assembled light-duty high-strength Collison fence for bridge - Google Patents
A kind of prefabricated assembled light-duty high-strength Collison fence for bridge Download PDFInfo
- Publication number
- CN108532458A CN108532458A CN201810216984.5A CN201810216984A CN108532458A CN 108532458 A CN108532458 A CN 108532458A CN 201810216984 A CN201810216984 A CN 201810216984A CN 108532458 A CN108532458 A CN 108532458A
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- CN
- China
- Prior art keywords
- bridge
- bottom plate
- floor
- panel
- strength
- 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.)
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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
- 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
Abstract
The invention discloses a kind of prefabricated assembled light-duty high-strength Collison fence for bridge, for bridge technology field, including the guardrail made of ultra-high performance concrete is prefabricated, the guardrail is by the installation of embedded parts that is located on bridge on bridge, the guardrail includes side panel, bottom plate and the floor being located on the outside of the side panel, and the bottom plate is equipped with the installation position coordinated with the built-in fitting.Anticollision barrier of the present invention is divided into panel and floor, effectively alleviate the weight of anticollision barrier, simultaneously because the ultra-tough of UHPC materials, brittle break will not occur for guardrail after making automobile impacting UHPC anticollision barriers, avoid the lower bridge of automobile pendant, and UHPC anticollision barriers can realize industrialized production, assembled in situization construction, dramatically reduce the pollution to environment.
Description
Technical field
The present invention is used for bridge technology field, more particularly to a kind of prefabricated assembled light-duty high-strength Collison fence for bridge.
Background technology
Anticollision barrier is the important component of bridge, and conventional steel bar concrete retaining wall is poured using scene is die-filling, weight
Amount is big, increases the construction period, assembling degree is low, increases construction pollution, does not meet the requirement of national development green building.
Invention content
The purpose of the present invention is to provide a kind of prefabricated assembled light-duty high-strength Collison fence for bridge, and anticollision barrier is divided into
Panel and floor effectively alleviate the weight of anticollision barrier, simultaneously because the ultra-tough of UHPC materials, makes automobile impacting UHPC
Brittle break will not occur for guardrail after anticollision barrier, avoid the lower bridge of automobile pendant, and UHPC anticollision barriers can realize industrialization
Production, assembled in situization construction, dramatically reduce the pollution to environment.
The technical solution adopted by the present invention to solve the technical problems is：A kind of prefabricated assembled light-duty high-strength bridge-collision-avoidance
Guardrail, including the guardrail made of ultra-high performance concrete is prefabricated, the guardrail pass through the installation of embedded parts that is located on bridge
On bridge, the guardrail includes side panel, bottom plate and the floor being located on the outside of the side panel, and the bottom plate is equipped with and institute
State the installation position of built-in fitting cooperation.
It is further used as the improvement of technical solution of the present invention, the side panel includes lower panel, middle panel and top panel, under
Panel is vertically arranged with bridge floor, and the middle panel and top panel are inclined outwardly setting, inclining between the top panel and vertical plane
Angle is less than the inclination angle between middle panel and vertical plane, the crossover position and middle panel between lower panel and middle panel and top panel
Between crossover position be respectively provided with chamfering, between the bottom plate and bridge floor be equipped with cement mortar.
It is further used as the improvement of technical solution of the present invention, further includes top plate, the top plate and bottom plate is respectively positioned on side panel
The top in outside, the floor is connect with top plate, and the side of floor is connect with side panel outer surface, the bottom of floor and bottom plate
Connection, floor are respectively provided with chamfering with bottom plate, side panel, top plate intersection.
It is further used as the improvement of technical solution of the present invention, the built-in fitting includes embedded bar, one end of embedded bar
It bends and is embedded in bridge, the other end stretches out upwards, and the installation position includes the bottom plate preformed hole being located on bottom plate, described pre-
It buries reinforcing bar to fasten by nut after bottom plate preformed hole, the bottom plate preformed hole includes inside bottom plate preformed hole and outermost side floor panels
Preformed hole, bottom plate thickness at the bottom plate preformed hole of inside thicken.
It is further used as the improvement of technical solution of the present invention, the embedded bar is equipped with spacer bar when pre-buried in bridge
Net, the embedded bar are welded with spacer bar net.
It is further used as the improvement of technical solution of the present invention, bridge is equipped with the gear that guardrail bottom plate can be resisted from outside
Block, and cancel outside embedded bar and corresponding outermost side floor panels preformed hole, there is the gear being embedded in bridge inside the block
Block reinforcing bar.
It is further used as the improvement of technical solution of the present invention, the outer ledge of the floor is equipped with notch, is embedded in notch
Decorative panel.
Be further used as the improvement of technical solution of the present invention, the outer ledge both sides of the floor be equipped with outer side slot support and
Inner side slot support, forms notch between the outer side slot support and inner side slot support, the outer side slot support is equipped with outside preformed hole, passes through
Outside preformed hole is equipped with the fastener that can lock decorative panel.
It is further used as the improvement of technical solution of the present invention, the floor is equipped with floor trepanning, and top plate is equipped with top plate
Preformed hole.
It is further used as the improvement of technical solution of the present invention, the top panel outer dip angle is set as 0 °, the side panel
Top is equipped with the protrusion swelled inwardly.
Beneficial effects of the present invention：
The technical program is simple in structure, prefabrication and assembly construction is convenient, it can be achieved that industrialized production, prefabricated construction, have good
Technical economic benefit, be specifically beneficial in that：
1. reinforcing bar can be unworthy of using the prefabricated anticollision barrier of ultra-high performance concrete, using panel construction with ribbing, structure
It makes simply, than traditional solid armored concrete anticollision barrier weight saving about 65%, effectively alleviates secondary dead load, favorably
In the design of girder, the lighting of bridge superstructure is promoted.
2. ultra-high performance concrete material has ultra-tough, brittle break will not occur after automobile impacting, be conducive to prevent
Vehicle drops, and avoids the secondary injury of occupant；
3. the built-in fitting and guardrail installation by bridge floor end connect, assembling degree is high, and construction is convenient；
4. the size of ultra-high performance concrete guardrail meets engineering construction modular coordination, be conducive to industrialized production.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is first embodiment of the invention structural schematic diagram；
Fig. 2 is first embodiment of the invention structural side view；
Fig. 3 is first embodiment of the invention structure top view；
Fig. 4 is first embodiment of the invention spacer bar web frame schematic diagram；
Fig. 5 is first embodiment of the invention notch arrangement schematic diagram；
Fig. 6 is second embodiment of the invention structural schematic diagram.
Specific implementation mode
Referring to figs. 1 to Fig. 6, that show the concrete structures of the preferred embodiments of the invention.It will be detailed below this
Invent the design feature of each component.
The present invention provides a kind of prefabricated assembled light-duty high-strength Collison fence for bridge, including use ultra-high performance concrete
Guardrail 1 made of prefabricated, the similar material of ultra-high performance concrete (UHPC, Ultra-High Performance Concrete)
The high performance cement-base composite material such as CRC, DSP, FRHPC, HPFRCC, RPC, STC, UHPFRC can be used in material, and the guardrail 1 is logical
The installation of embedded parts being located on bridge is crossed on bridge, installation site of the guardrail 1 on bridge be preferably at the top of girder flange plate,
The guardrail 1 includes side panel 12, bottom plate 11 and the floor 13 for being located at 12 outside of the side panel, and 13 spacing of floor is regarding anticollision
Depending on grade, the bottom plate 11 is equipped with the installation position coordinated with the built-in fitting.
The technical program is simple in structure, prefabrication and assembly construction is convenient, it can be achieved that industrialized production, prefabricated construction, have good
Technical economic benefit, be specifically beneficial in that：
1. reinforcing bar can be unworthy of using the prefabricated anticollision barrier of ultra-high performance concrete, using panel construction with ribbing, structure
It makes simply, than traditional solid armored concrete anticollision barrier weight saving about 65%, effectively alleviates secondary dead load, favorably
In the design of girder, the lighting of bridge superstructure is promoted.
2. ultra-high performance concrete material has ultra-tough, brittle break will not occur after automobile impacting, be conducive to prevent
Vehicle drops, and avoids the secondary injury of occupant；
3. the built-in fitting and guardrail installation by bridge floor end connect, assembling degree is high, and construction is convenient；
4. the size of ultra-high performance concrete guardrail meets engineering construction modular coordination, be conducive to industrialized production.
The side panel 12 includes lower panel 121, middle panel 122 and top panel 123, and lower panel 121 is vertical with bridge floor to be set
It sets, the middle panel 122 and top panel 123 are inclined outwardly setting, during the inclination angle between the top panel 123 and vertical plane is less than
Inclination angle between panel 122 and vertical plane, crossover position and middle panel 122 between lower panel 121 and middle panel 122 and upper
Crossover position between panel 123 is respectively provided with chamfering, and middle panel 122, top panel 123 is set as certain angle can mitigate vehicle
The injury of vehicle and personnel when shock.
13 top of floor can directly transit to 12 top edge of side panel, preferably, further including top plate 14, the top plate
14, bottom plate 11 is respectively positioned on the outside of side panel 12, and the top of the floor 13 is connect with top plate 14, the side and side of floor 13
12 outer surface of plate connects, and the bottom of floor 13 is connect with bottom plate 11, and floor 13 intersects with bottom plate 11, side panel 12, top plate 14
Place is respectively provided with chamfering.Side panel 12,13 thickness of floor need to meet the anticollision force request of vehicle.The floor 13 is equipped with floor
Trepanning 16, for placing cable pipeline, 16 diameter of floor trepanning 5mm big compared with built-in pipe；Top plate 14 is equipped with top plate preformed hole, top
The thickness of plate 14 need to meet top soundproof wall, street lamp installation force request, and top plate preformed hole is installing soundproof wall, road
Lamp.
Bolt, WELDING STUDS etc. can be used in built-in fitting, preferably, the built-in fitting includes embedded bar 2, embedded bar 2
One end bend and be embedded in bridge, to provide enough anchorage lengths, the other end stretches out upwards, the installation position include set
Bottom plate preformed hole 15 on bottom plate 11, bottom plate preformed hole 15 are slotted hole or big hole, are distributed in 13 both sides of floor, center
Position matches with embedded bar 2；2 diameter of embedded bar should be able to meet tension needs, using HRB335 Ribbed Bars, the bottom
Plate preformed hole includes inside bottom plate preformed hole and outermost side floor panels preformed hole, and bottom plate thickness at the bottom plate preformed hole of inside adds
It is thick.To improve stress raisers phenomenon.The embedded bar 2 is fastened after passing through bottom plate preformed hole 15 by nut 3.
In order to be accurately positioned embedded bar 2, spacer bar net 22, institute are equipped with when the embedded bar 2 is pre-buried in bridge
Embedded bar 2 is stated to weld with spacer bar net 22.
In addition, being equipped with cement mortar 4 between the bottom plate 11 and bridge floor, thickness is preferably 5mm.
The outer ledge of the floor 13 is equipped with notch 18, and decorative panel 19 is embedded in notch 18.The outside of the floor 13
Both sides of edges is equipped with outer side slot support 181 and inner side slot support 182, and slot is formed between the outer side slot support 181 and inner side slot support 182
Mouth 18, the outer side slot support 181 are equipped with outside preformed hole 183, and decorative panel 19 can be locked by being equipped with across outside preformed hole 183
Fastener.Fastener uses screw 184 and nut 185, and screw 184 is penetrated outside preformed hole first when decorative panel 19 is constructed
183, and in opening indwelling nut 185, decorative panel 19 is then inserted into notch 18 from top to bottom, it then tightens screw 184 and supports
Firmly decorative panel 19.
Guardrail 1 install when, first be laid with cement mortar 4 it is levelling, then lift guardrail 1, by bottom plate preformed hole 15 with it is pre-buried
2 section of stretching out of reinforcing bar is aligned, and the installation that nut 3 completes anticollision barrier is tightened after placing guardrail 1；Provided pipe and dress are installed later
Plaque 19 finally installs roof trim item 17.
It can be, but not limited to use following design when specifically used：The longitudinal piecemeal length of guardrail 1 is 10m or 5m, cement bonded sand
Starch thickness 5mm, 11 thickness as outside 50mm of bottom plate, 11 inner thickness 80mm of bottom plate, 12 thickness 50mm of side panel, 13 thickness of floor
30mm, 14 thickness 50mm of top plate, 13 spacing 500mm of floor, 84 ° of 122 angle of middle panel, 84 ° of angle on the outside of floor, bottom plate are reserved
Hole 15 uses slotted hole, and circular diameter 32mm, length 50mm, floor opening diameter 105mm, embedded bar 2 is using finish rolling screw thread
Steel, a diameter of 28mm, buried depth 100mm, length 350mm after bending, spacer bar net use fining twisted steel, a diameter of 12mm,
18 width 20mm of notch, outer side slot support 181 and 182 thickness 20mm of inner side slot support, extension elongation 35mm, 183 diameter of outside preformed hole
12mm, 184 diameter 10mm of screw, roof trim item 17 is with decorative panel 19 according to 13 sectional making of floor.
It is further improved on the basis of the above embodiments, the top of the side panel 12 is convex equipped with swelling inwardly
It rises, automobile side angle mainly bears impact force when hitting by side panel lower part, bears to hit by side panel middle and upper part when vehicle side turning
Under hitting power and preventing automobile from falling, bridge is equipped with the block 5 that 1 bottom plate of guardrail can be resisted from outside, and 5 inside of the block has
The block reinforcing bar being embedded in bridge.Cancel outermost side floor panels preformed hole and corresponding embedded bar simultaneously, is provided by block 5 described
The horizontal force of guardrail.It can be, but not limited to use following design when specifically used：5 height 80mm of block.
Certainly, the invention is not limited to the above embodiment, and those skilled in the art are without prejudice to originally
Equivalent variations or replacement can be also made under the premise of spirit, these equivalent modifications or replacement are all contained in the application right
It is required that in limited range.
Claims (10)
1. a kind of prefabricated assembled light-duty high-strength Collison fence for bridge, it is characterised in that：Including pre- using ultra-high performance concrete
Guardrail made of system, for the guardrail by the installation of embedded parts that is located on bridge on bridge, the guardrail includes side panel, bottom
Plate and the floor being located on the outside of the side panel, the bottom plate are equipped with the installation position coordinated with the built-in fitting.
2. prefabricated assembled light-duty high-strength Collison fence for bridge according to claim 1, it is characterised in that：The side panel
It is vertically arranged with bridge floor including lower panel, middle panel and top panel, lower panel, the middle panel and top panel are inclined outwardly and set
It sets, the crossover position between crossover position and middle panel and top panel between lower panel and middle panel is respectively provided with chamfering, institute
It states and is equipped with cement mortar between bottom plate and bridge floor.
3. prefabricated assembled light-duty high-strength Collison fence for bridge according to claim 1, it is characterised in that：It further include top
Plate, the top plate and bottom plate are respectively positioned on the outside of side panel, and the top of the floor is connect with top plate, the side and side of floor
Plate outer surface connects, and the bottom of floor is connect with bottom plate, and floor is respectively provided with chamfering with bottom plate, side panel, top plate intersection.
4. prefabricated assembled light-duty high-strength Collison fence for bridge according to claim 1, it is characterised in that：The built-in fitting
Including embedded bar, one end of embedded bar bends and is embedded in bridge, and the other end stretches out upwards, and the installation position includes setting
Bottom plate preformed hole on bottom plate, the embedded bar are fastened after passing through bottom plate preformed hole by nut, the bottom plate preformed hole
Including inside bottom plate preformed hole and outermost side floor panels preformed hole, bottom plate thickness at the bottom plate preformed hole of inside thickeies.
5. prefabricated assembled light-duty high-strength Collison fence for bridge according to claim 4, it is characterised in that：The pre-buried steel
Spacer bar net is equipped with when muscle is pre-buried in bridge, the embedded bar is welded with spacer bar net.
6. prefabricated assembled light-duty high-strength Collison fence for bridge according to claim 4, it is characterised in that：Bridge is equipped with
The block of guardrail bottom plate can be resisted from outside, and cancel outside embedded bar and corresponding outermost side floor panels preformed hole, the gear
There is the block reinforcing bar being embedded in bridge inside block.
7. prefabricated assembled light-duty high-strength Collison fence for bridge according to claim 1, it is characterised in that：The floor
Outer ledge is equipped with notch, and decorative panel is embedded in notch.
8. prefabricated assembled light-duty high-strength Collison fence for bridge according to claim 7, it is characterised in that：The floor
Outer ledge both sides are equipped with outer side slot support and inner side slot support, and notch is formed between the outer side slot support and inner side slot support, described
Outer side slot support is equipped with outside preformed hole, and the fastener that can lock decorative panel is equipped with across outside preformed hole.
9. prefabricated assembled light-duty high-strength Collison fence for bridge according to claim 3, it is characterised in that：On the floor
Equipped with floor trepanning, top plate is equipped with top plate preformed hole.
10. prefabricated assembled light-duty high-strength Collison fence for bridge according to claim 2, it is characterised in that：Above described
Plate outer dip angle is set as 0 °, and the top of the side panel is equipped with the protrusion swelled inwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810216984.5A CN108532458A (en) | 2018-03-16 | 2018-03-16 | A kind of prefabricated assembled light-duty high-strength Collison fence for bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810216984.5A CN108532458A (en) | 2018-03-16 | 2018-03-16 | A kind of prefabricated assembled light-duty high-strength Collison fence for bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108532458A true CN108532458A (en) | 2018-09-14 |
Family
ID=63484044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810216984.5A Pending CN108532458A (en) | 2018-03-16 | 2018-03-16 | A kind of prefabricated assembled light-duty high-strength Collison fence for bridge |
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| CN (1) | CN108532458A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162202A (en) * | 2018-10-30 | 2019-01-08 | 湖南大学 | A kind of light-duty assembled anticollision barrier component and installation method |
| CN109826139A (en) * | 2019-03-25 | 2019-05-31 | 沈阳建筑大学 | A kind of lightweight assembled RPC anti-collision wall wall and its construction method |
| CN110453600A (en) * | 2019-07-26 | 2019-11-15 | 中交公路规划设计院有限公司 | Bridge guardrail prefabricated unit, Bridge guardrail construction method and bridge |
| CN111364356A (en) * | 2020-01-22 | 2020-07-03 | 华南理工大学 | Assembled reinforced concrete side anti-collision guardrail for connecting bridge |
| CN111877229A (en) * | 2020-08-06 | 2020-11-03 | 湖南大学 | Functionally-gradient anti-collision guardrail and construction method thereof |
| CN112663493A (en) * | 2020-12-30 | 2021-04-16 | 浙江中咨交通科技有限公司 | Bridge area flower case concrete anticollision barrier structure |
| WO2021098113A1 (en) * | 2019-11-18 | 2021-05-27 | 深圳市市政设计研究院有限公司 | Prefabricated lightweight high-strength crash barrier for bridge |
| CN114045747A (en) * | 2021-09-29 | 2022-02-15 | 北京中路安交通科技有限公司 | Assembled concrete barrier that dry-type is connected |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162202A (en) * | 2018-10-30 | 2019-01-08 | 湖南大学 | A kind of light-duty assembled anticollision barrier component and installation method |
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| CN111364356A (en) * | 2020-01-22 | 2020-07-03 | 华南理工大学 | Assembled reinforced concrete side anti-collision guardrail for connecting bridge |
| CN111877229A (en) * | 2020-08-06 | 2020-11-03 | 湖南大学 | Functionally-gradient anti-collision guardrail and construction method thereof |
| CN112663493A (en) * | 2020-12-30 | 2021-04-16 | 浙江中咨交通科技有限公司 | Bridge area flower case concrete anticollision barrier structure |
| CN114045747A (en) * | 2021-09-29 | 2022-02-15 | 北京中路安交通科技有限公司 | Assembled concrete barrier that dry-type is connected |
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| CB02 | Change of applicant information |
Address after: 510060 East seat, No. 348 East Ring Road, Guangzhou, Guangdong, Yuexiu District Applicant after: Guangzhou municipal engineering design and Research Institute Co., Ltd. Applicant after: Guangdong Guansheng Civil Engineering Technology Co., Ltd. Address before: 510060, No. 348, East Ring Road, Guangzhou, Guangdong Applicant before: Guangzhou City Engineering Design studies total institute Applicant before: Guangdong Guansheng Civil Engineering Technology Co., Ltd. |
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Application publication date: 20180914 |
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| RJ01 | Rejection of invention patent application after publication |