CN208219399U - A kind of prefabricated assembled Collison fence for bridge of high-strength light - Google Patents

A kind of prefabricated assembled Collison fence for bridge of high-strength light Download PDF

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Publication number
CN208219399U
CN208219399U CN201820380949.2U CN201820380949U CN208219399U CN 208219399 U CN208219399 U CN 208219399U CN 201820380949 U CN201820380949 U CN 201820380949U CN 208219399 U CN208219399 U CN 208219399U
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China
Prior art keywords
bridge
bottom plate
floor
panel
prefabricated
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CN201820380949.2U
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Chinese (zh)
Inventor
宁平华
彭聪
王晟
唐明裴
邓德伦
郭钰瑜
麦梓浩
欧键灵
杨勇
凌晨
肖礼经
周志敏
房金钱
陈刚
肖毅
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Guangdong Guansheng Civil Engineering Technology Co., Ltd.
Guangzhou Municipal Engineering Design & Research Institute Co Ltd
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Guangdong Guansheng Civil Engineering Technology Co Ltd
Guangzhou City Engineering Design Studies Total Institute
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Abstract

The utility model discloses a kind of prefabricated assembled Collison fence for bridge of high-strength light, for bridge technology field, including prefabricated U HPC guardrail ontology, the prefabricated U HPC guardrail ontology is by the installation of embedded parts that is located on bridge on bridge, the prefabricated U HPC guardrail ontology includes side panel, top plate and bottom plate and the floor for being located at the side panel, top plate and base plate interior, prefabricated U HPC guardrail ontology forms outside opening, integrally formed hollow structure by side panel, top plate and bottom plate and floor, and the bottom plate is equipped with the installation position cooperated with the built-in fitting.The utility model anticollision barrier is divided into panel and floor, effectively alleviate the weight of anticollision barrier, simultaneously because the ultra-tough of UHPC material, make guardrail after automobile impacting UHPC anticollision barrier that brittle break will not occur, it avoids automobile and falls lower bridge, and UHPC anticollision barrier can realize industrialized production, assembled in situization construction, dramatically reduce the pollution to environment.

Description

A kind of prefabricated assembled Collison fence for bridge of high-strength light
Technical field
The utility model is used for bridge technology field, protects more particularly to a kind of prefabricated assembled bridge-collision-avoidance of high-strength light Column.
Background technique
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.
Utility model content
The purpose of this utility model is to provide a kind of prefabricated assembled Collison fence for bridge of high-strength light, by anticollision barrier It is divided into panel and floor, effectively alleviates the weight of anticollision barrier, simultaneously because the ultra-tough of UHPC material, makes automobile impacting Brittle break will not occur for guardrail after UHPC anticollision barrier, avoid automobile and fall lower bridge, and UHPC anticollision barrier can realize work Industry metaplasia produces, assembled in situization is constructed, and dramatically reduces the pollution to environment.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of prefabricated assembled bridge of high-strength light Anticollision barrier, including prefabricated U HPC guardrail ontology, the prefabricated U HPC guardrail ontology pass through the installation of embedded parts that is located on bridge On bridge, the prefabricated U HPC guardrail ontology includes side panel, top plate and bottom plate and is located at the side panel, top plate and bottom The floor of intralamellar part, prefabricated U HPC guardrail ontology form outside opening by side panel, top plate and bottom plate and floor, are integrally formed Hollow structure, the bottom plate is equipped with the installation position that cooperates with the built-in fitting.
It is further used as the improvement of technical solutions of the utility model, the side panel includes lower panel, middle panel and above Plate, lower panel are vertically arranged with bridge floor, and the middle panel and top panel are inclined outwardly setting, between lower panel and middle panel Crossover position between crossover position and middle panel and top panel is respectively provided with chamfering, and cement bonded sand is equipped between the bottom plate and bridge floor Slurry.
It is further used as the improvement of technical solutions of the utility model, the top plate and bottom plate is respectively positioned on the outside of side panel, institute The top for stating floor is connect with top plate, and the side of floor is connect with side panel outer surface, and the bottom of floor is connect with bottom plate, rib Plate and bottom plate, side panel, top plate intersection are respectively provided with chamfering.
It is further used as the improvement of technical solutions of the utility model, the built-in fitting includes embedded bar, embedded bar One end bends and is embedded in bridge, and the other end stretches out upwards, and the installation position includes the bottom plate preformed hole being located on bottom plate, institute It states embedded bar to fasten after bottom plate preformed hole by nut, the bottom plate preformed hole includes inside bottom plate preformed hole and outside Bottom plate preformed hole, bottom plate thickness at the bottom plate preformed hole of inside thicken.
It is further used as the improvement of technical solutions of the utility model, the embedded bar is equipped with positioning when pre-buried in bridge Steel mesh, the embedded bar and spacer bar net weld.
It is further used as the improvement of technical solutions of the utility model, bridge is equipped with can resist prefabricated U HPC shield from outside The block of column ontology bottom plate, and cancel outside embedded bar and corresponding outermost side floor panels preformed hole, have inside the block pre- The block reinforcing bar being embedded in bridge.
It is further used as the improvement of technical solutions of the utility model, it is described pre- that prefabricated U HPC guardrail outer body is equipped with closing The decorative panel of UHPC guardrail ontology back side opening processed.
It is further used as the improvement of technical solutions of the utility model, the outer ledge of the floor, which is equipped with, is embedded in the decoration The notch of plate, the outer ledge two sides of the floor are equipped with outer side slot support and inner side slot support, the outer side slot support and inner side slot Notch is formed between support, the outer side slot support is equipped with outside preformed hole, and decorative panel can be locked by being equipped with across outside preformed hole Fastener.
It is further used as the improvement of technical solutions of the utility model, the floor is equipped with floor aperture, and top plate is equipped with Top plate preformed hole.
It is further used as the improvement of technical solutions of the utility model, the top panel outer dip angle is set as 0 °, the side The top of plate is equipped with the protrusion swelled inwardly.
The utility model has the beneficial effects that
The technical program structure is simple, prefabrication and assembly construction is convenient, it can be achieved that industrialized production, prefabricated construction, have good Technical economic benefit, specifically have the beneficial effect 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 beneficial to prevent Vehicle tenesmus, avoids the secondary injury of occupant;
3. built-in fitting and the guardrail installation by bridge floor end connect, assembling degree is high, and it is convenient to construct;
4. the size of ultra-high performance concrete guardrail meets engineering construction modular coordination, be conducive to industrialized production.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the utility model schematic structural diagram of the first embodiment;
Fig. 2 is the utility model first embodiment structural side view;
Fig. 3 is the utility model first embodiment structure top view;
Fig. 4 is the utility model first embodiment spacer bar web frame schematic diagram;
Fig. 5 is the utility model first embodiment notch arrangement schematic diagram;
Fig. 6 is the utility model schematic structural diagram of the second embodiment.
Specific embodiment
Referring to figs. 1 to Fig. 6, that show the specific structures of the preferred embodiment of the utility model.It below will specifically The design feature of bright each component of the utility model.
The utility model provides a kind of prefabricated assembled Collison fence for bridge of high-strength light, including mixed using very-high performance Prefabricated U HPC guardrail ontology 1 made of solidifying soil is prefabricated, ultra-high performance concrete (UHPC, Ultra-High Performance Concrete) it is multiple that the high performance cement base such as CRC, DSP, FRHPC, HPFRCC, RPC, STC, UHPFRC can be used in similar material Condensation material, the prefabricated U HPC guardrail ontology 1 by the installation of embedded parts that is located on bridge on bridge, the prefabricated U HPC shield Column ontology 1 includes side panel 12, top plate 14, bottom plate 11 and the rib being located inside the side panel 12, top plate 14 and bottom plate 11 Plate 13, prefabricated U HPC guardrail ontology 1 form outside opening by side panel 12, top plate 14, bottom plate 11 and floor 13, are integrally formed Hollow structure, the bottom plate 11 is equipped with the installation position that cooperates with the built-in fitting.
The technical program structure is simple, prefabrication and assembly construction is convenient, it can be achieved that industrialized production, prefabricated construction, have good Technical economic benefit, specifically have the beneficial effect 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 beneficial to prevent Vehicle tenesmus, avoids the secondary injury of occupant;
3. built-in fitting and the guardrail installation by bridge floor end connect, assembling degree is high, and it is convenient to construct;
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.
Preferably, the top plate 14, bottom plate 11 are respectively positioned on the outside of side panel 12, the top of the floor 13 and top plate 14 connections, the side of floor 13 are connect with 12 outer surface of side panel, and the bottom of floor 13 is connect with bottom plate 11, floor 13 and bottom Plate 11, side panel 12,14 intersection of top plate are respectively provided with chamfering.Side panel 12,13 thickness of floor need to meet the anticollision stress of vehicle It is required that.The floor 13 is equipped with floor aperture 16, for placing cable pipeline, 16 diameter of floor aperture 5mm big compared with built-in pipe; Top plate 14 is equipped with top plate preformed hole, and the thickness of top plate 14 need to meet the force request of top soundproof wall, street lamp installation, and top plate Preformed hole is to install soundproof wall, street 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 two 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 Bar, 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, the embedded bar 2 is equipped with spacer bar net 22, institute when pre-buried in bridge It states embedded bar 2 and spacer bar net 22 welds.
In addition, being equipped with cement mortar 4 between the bottom plate 11 and bridge floor, thickness is preferably 5mm.
The decorative panel 19 for closing the 1 back side opening of prefabricated U HPC guardrail ontology is equipped on the outside of prefabricated U HPC guardrail ontology 1.
The outer ledge of the floor 13 is equipped with the notch 18 for being embedded in the decorative panel 19, the outer ledge of the floor 13 Two sides are equipped with outer side slot support 181 and inner side slot support 182, form notch between the outer side slot support 181 and inner side slot support 182 18, the outer side slot support 181 is 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, then decorative panel 19 is inserted into notch 18 from top to bottom, then tightens screw 184 and support Firmly decorative panel 19.
When prefabricated U HPC guardrail ontology 1 is installed, laying cement mortar 4 first is levelling, subsequent hoisting prefabricated UHPC guardrail sheet Bottom plate preformed hole 15 is aligned by body 1 with 2 section of stretching out of embedded bar, tightens the completion of nut 3 after placing prefabricated U HPC guardrail ontology 1 The installation of anticollision barrier;Provided pipe and decorative panel 19 are installed later, roof trim item 17 is finally installed.
Can be, but not limited to use following design when specifically used: the longitudinal piecemeal length of prefabricated U HPC guardrail ontology 1 is 10m Or 5m, cement mortar 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 30mm of floor, 14 thickness 50mm of top plate, floor 13 spacing 500mm, middle 84 ° of 122 angle of panel, angle on the outside of floor 84 °, bottom plate preformed hole 15 uses slotted hole, circular diameter 32mm, length 50mm, floor opening diameter 105mm, embedded bar 2 Using fining twisted steel, diameter 28mm, buried depth 100mm, length 350mm after bending, spacer bar net uses fining twisted steel, Diameter is 12mm, 18 width 20mm of notch, outer side slot support 181 and 182 thickness 20mm of inner side slot support, extension elongation 35mm, and outside is pre- Box out 183 diameter 12mm, 184 diameter 10mm of screw, and roof trim item 17 and decorative panel 19 are 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, impact force is mainly born by side panel lower part when automobile side angle is hit, bear 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 prefabricated U HPC guardrail ontology can be resisted from outside, described There is the block reinforcing bar being embedded in bridge inside block 5.Cancel outermost side floor panels preformed hole and corresponding embedded bar simultaneously, by Block 5 provides the horizontal force of the guardrail.It is can be, but not limited to when specifically used using following design: 5 height 80mm of block.
Certainly, the invention is not limited to above embodiment, and those skilled in the art are without prejudice to originally Equivalent deformation or replacement can be also made under the premise of utility model spirit, these equivalent variation or replacement are all contained in the application In claim limited range.

Claims (10)

1. a kind of prefabricated assembled Collison fence for bridge of high-strength light, it is characterised in that: described including prefabricated U HPC guardrail ontology For prefabricated U HPC guardrail ontology through the installation of embedded parts that is located on bridge on bridge, the prefabricated U HPC guardrail ontology includes side Panel, top plate and bottom plate and the floor for being located at the side panel, top plate and base plate interior, prefabricated U HPC guardrail ontology pass through side Panel, top plate and bottom plate and floor form that outside is open, integrally formed hollow structure, the bottom plate be equipped with it is described pre-buried The installation position of part cooperation.
2. the prefabricated assembled Collison fence for bridge of high-strength light according to claim 1, it is characterised in that: the side panel It is vertically arranged including lower panel, middle panel and top panel, lower panel with bridge floor, 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. the prefabricated assembled Collison fence for bridge of high-strength light according to claim 1, it is characterised in that: the top plate, Bottom plate is respectively positioned on the outside of side panel, and the top of the floor is connect with top plate, and the side of floor and side panel outer surface connect It connects, the bottom of floor is connect with bottom plate, and floor and bottom plate, side panel, top plate intersection are respectively provided with chamfering.
4. the prefabricated assembled Collison fence for bridge of high-strength light 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. the prefabricated assembled Collison fence for bridge of high-strength light 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 and spacer bar net weld.
6. the prefabricated assembled Collison fence for bridge of high-strength light according to claim 4, it is characterised in that: bridge is equipped with The block of prefabricated U HPC guardrail ontology bottom plate can be resisted from outside, and cancel outside embedded bar and corresponding outermost side floor panels it is pre- It boxes out, there is the block reinforcing bar being embedded in bridge inside the block.
7. the prefabricated assembled Collison fence for bridge of high-strength light according to claim 1, it is characterised in that: prefabricated U HPC shield Column outer body is equipped with the decorative panel for closing the prefabricated U HPC guardrail ontology back side opening.
8. the prefabricated assembled Collison fence for bridge of high-strength light according to claim 7, it is characterised in that: the floor Outer ledge is equipped with the notch for being embedded in the decorative panel, and the outer ledge two sides of the floor are 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, and it is pre- to pass through outside It boxes out equipped with the fastener that can lock decorative panel.
9. the prefabricated assembled Collison fence for bridge of high-strength light according to claim 1, it is characterised in that: on the floor Equipped with floor aperture, top plate is equipped with top plate preformed hole.
10. the prefabricated assembled Collison fence for bridge of high-strength light 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.
CN201820380949.2U 2018-03-16 2018-03-16 A kind of prefabricated assembled Collison fence for bridge of high-strength light Active CN208219399U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108532458A (en) * 2018-03-16 2018-09-14 广州市市政工程设计研究总院 A kind of prefabricated assembled light-duty high-strength Collison fence for bridge
CN109898412A (en) * 2019-03-22 2019-06-18 周劲宇 Packaged type bridges pavement, which is held up traffic, crosses anticollision barrier
CN110080103A (en) * 2019-06-12 2019-08-02 上海公路桥梁(集团)有限公司 Prefabricated guardrail mounting and positioning device
CN112853972A (en) * 2021-01-28 2021-05-28 中南大学 Assembled single-slope bridge anti-collision guardrail
CN114369999A (en) * 2021-12-29 2022-04-19 宁波市交通规划设计研究院有限公司 Hollow thin wall guardrail of prefabricated assembled of segment
CN116084274A (en) * 2023-01-05 2023-05-09 湖南省高速公路集团有限公司 Bridge guardrail heightening structure and construction transformation method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108532458A (en) * 2018-03-16 2018-09-14 广州市市政工程设计研究总院 A kind of prefabricated assembled light-duty high-strength Collison fence for bridge
CN109898412A (en) * 2019-03-22 2019-06-18 周劲宇 Packaged type bridges pavement, which is held up traffic, crosses anticollision barrier
CN110080103A (en) * 2019-06-12 2019-08-02 上海公路桥梁(集团)有限公司 Prefabricated guardrail mounting and positioning device
CN110080103B (en) * 2019-06-12 2024-03-26 上海公路桥梁(集团)有限公司 Prefabricated guardrail installation positioner
CN112853972A (en) * 2021-01-28 2021-05-28 中南大学 Assembled single-slope bridge anti-collision guardrail
CN114369999A (en) * 2021-12-29 2022-04-19 宁波市交通规划设计研究院有限公司 Hollow thin wall guardrail of prefabricated assembled of segment
CN114369999B (en) * 2021-12-29 2024-05-31 宁波市交通规划设计研究院有限公司 Segment prefabricated assembly type hollow thin-wall guardrail
CN116084274A (en) * 2023-01-05 2023-05-09 湖南省高速公路集团有限公司 Bridge guardrail heightening structure and construction transformation method
CN116084274B (en) * 2023-01-05 2023-12-05 湖南省高速公路集团有限公司 Bridge guardrail heightening structure and construction transformation method

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Address after: 510060 East seat, No. 348 East Ring Road, Guangzhou, Guangdong, Yuexiu District

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