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CN110016879A - A kind of assembled anticollision barrier with runback bit function - Google Patents

A kind of assembled anticollision barrier with runback bit function Download PDF

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Publication number
CN110016879A
CN110016879A CN201910196501.4A CN201910196501A CN110016879A CN 110016879 A CN110016879 A CN 110016879A CN 201910196501 A CN201910196501 A CN 201910196501A CN 110016879 A CN110016879 A CN 110016879A
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CN
China
Prior art keywords
guardrail
road
reinforcing bar
anticollision barrier
bit function
Prior art date
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Granted
Application number
CN201910196501.4A
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Chinese (zh)
Other versions
CN110016879B (en
Inventor
罗征
王小荣
陈闯
杨晓艳
马佳星
王银辉
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Ningbo Institute of Technology of ZJU
Original Assignee
Ningbo Institute of Technology of ZJU
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Priority to CN201910196501.4A priority Critical patent/CN110016879B/en
Publication of CN110016879A publication Critical patent/CN110016879A/en
Application granted granted Critical
Publication of CN110016879B publication Critical patent/CN110016879B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety 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
    • E01F15/02Continuous barriers extending along roads or between traffic lanes

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

The present invention discloses a kind of assembled anticollision barrier with runback bit function, including guardrail (1), it is characterized by also including prestressing force component (2), the guardrail (1) is removably mounted at the side of road (5) by prestressing force component (2), the prestressing force component (2) includes reinforcing bar (2.1), compressed spring (2.2) and anchor bolt (2.2), the reinforcing bar (2.1) is worn longitudinally through guardrail (1), the both ends of the reinforcing bar (2.1) pass through compressed spring (2.2) and reinforcing bar (2.1) is connected on guardrail (1) by anchor bolt (2.2), the reinforcing bar (2.1) is fixedly connected on road (5) close to the one end on ground.The present invention provide it is a kind of can not only fast implement green construction, but also a kind of assembled anticollision barrier with runback bit function for reducing loss after Vehicular impact can be made.

Description

A kind of assembled anticollision barrier with runback bit function
Technical field
The present invention relates to building fields, and in particular to a kind of assembled anticollision barrier with runback bit function.
Background technique
Anticollision barrier protects the work of driver for playing in highway bridge after separating round-trip lane and Vehicular impact With.Conventional crash guardrail, which is that scene is die-filling, to be poured, and needs reinforcing bar transport, blanking, concreting maintenance, process is tedious, construction Process is slow, while cast in situs is affected to surrounding enviroment, runs counter to the theory of China's green building.Meanwhile bridge is society The security system of meeting operation security, with the increase of public vehicles quantity, the case of vehicle damage Bridge guardrail happens occasionally, damage Guardrail needs close traffic immediately, and repair damage guardrail brings great puzzlement to the trip convenience of people.
Summary of the invention
The technical problem to be solved by the present invention is to overcome present technological deficiency, providing a kind of can both fast implement Green construction, and a kind of assembled anticollision barrier with runback bit function for reducing loss after Vehicular impact can be made.
The technical scheme is that a kind of assembled anticollision barrier with runback bit function, including guardrail, further include Prestressing force component, the guardrail are removably mounted at the side of road by prestressing force component, and the prestressing force component includes steel Muscle, compressed spring and anchor bolt, the reinforcing bar are worn longitudinally through guardrail, and the both ends of the reinforcing bar pass through compressed spring and anchor Reinforcing bar is connected on guardrail by fixing bolt, and the reinforcing bar is fixedly connected on road close to the one end on ground.
The invention has the benefit that the present invention is designed using assembly type, produced in batches in factory, it is only necessary to the position of installation It sets and processes mounting hole and mounting surface and the present invention can be installed, do not need to carry out the works such as cast-in-place concrete maintenance Sequence realizes quick green construction, while being made by the use of prestressing force component in the case where not breaking through limit impact force Of the invention there must be runback bit function, under common impact events, the present invention delays impact force by the inclination of guardrail Punching reduces extent of the destruction, reduces damage of the vehicle after shock, improves the safety of road structure, realizes to car accident The effective control damaged afterwards guarantees people's safety, when the present invention is by more than limit impact force impact force, Ke Yizhi It connects and replaces the section guard, process is simple, and operation is quick.
As an improvement of the present invention, road is equipped with thickening layer, and setback steel is equipped between the guardrail and thickening layer Plate can be damaged to avoid setback steel plate in usual use by the improvement by the design of thickening layer.
As an improvement of the present invention, the setback steel plate includes setback section, road fixed section and guardrail fixed section, institute Road fixed section is stated for being fixedly connected with road, the guardrail fixed section with guardrail for being fixedly connected, by the improvement, When guardrail is hit, wave slab plate can be draw textured, and impact force is dispersed, and realized the effect of energy consumption, mentioned High limit impact resistance power of the invention.
As an improvement of the present invention, the wave crest of the setback section offsets with thickening layer, by the improvement, so that plus It is very close to each other between thick-layer and guardrail, increase the intensity at the edge of thickening layer, avoids thickening layer after prolonged use to two The case where side diffusion deformation.
As an improvement of the present invention, the prestressing force component further includes plastic tube, the plastic tube be set to reinforcing bar with It between guardrail and contact reinforcing bar will not with guardrail, by the improvement, so that prestressing force component is formed by prestressing force without glutinous Knot, it is ensured that reinforcing bar can be deformed within the scope of the compressed spring at both ends with free extension, and unyielding.
As an improvement of the present invention, the bottom of the guardrail is equipped with shear pin, and the shear pin is inserted into road, institute Shear pin is stated between prestressing force component, by the improvement, cooperation pin hole processing on road can pacify the present invention It is positioned during dress, it is also possible to there is the case where unilateral deformation when guardrail being avoided to be hit at one end, so that Impact force can be more evenly distributed on entire guardrail, improve limit impact resistance power of the invention.
As an improvement of the present invention, the guardrail is equipped with butting section, the butting section and road far from the side of road The side on road offsets, by the improvement, can not only make the present invention position during the installation process it is more acurrate, the present invention by When shock, butting section can also carry out the power of unloading of part, and power is distributed on road.
As an improvement of the present invention, the guardrail includes the first inclined-plane, the second inclined-plane and straight close to the side of road Face, second inclined-plane are set to the first inclined-plane and between facing directly, described to face directly for connecting with setback plate, by the improvement, The design faced directly, so that setback steel plate is easier to carry out installing, the design on the first inclined-plane and the second inclined-plane is so that guardrail is being hit Power can preferably be unloaded by hitting.
As an improvement of the present invention, the slope on second inclined-plane is changed less than the slope on the first inclined-plane by described Into, in vehicle and guardrail knockout process, first with the second contact of incline plane, tangential impact force, part impact force under original state Dispersion upwards, is buffered, and prestressing force component carries out small-scale deformation, is equivalent to and is entered state of activation by static state, then Again with the first contact of incline plane, tangential impact force after dispersion, then carry out completely unloading power and energy consumption by prestressing force component, quite In entering dynamic from state of activation, prestressing force component is avoided to enter dynamic from static state quickly after long-time is not used, Compressed spring is easy directly to fail.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is the installation structure diagram of the invention.
Fig. 2 is mounting structure side schematic view of the present invention.
Fig. 3 is setback steel plate structure schematic diagram of the present invention.
Fig. 4 is mounting structure partial schematic sectional view of the present invention.
Fig. 5 is I enlarged structure schematic diagram in Fig. 4.
Fig. 6 is guardrail in impact events lower stress schematic diagram.
Wherein, appended drawing reference are as follows: 1, guardrail, 1.1, shear pin, 1.2, butting section, the 1.3, first inclined-plane, 1.4, second tiltedly Face, 1.5, face directly, 2, prestressing force component, 2.1, reinforcing bar, 2.2, compressed spring, 2.3, anchor bolt, 2.4, plastic tube, 3, thicken Layer, 4, setback steel plate, 4.1, setback section, 4.2, road fixed section, 4.3, guardrail fixed section, 5, road.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
As shown in Figure 1 and Figure 2, structure of the invention: a kind of assembled anticollision barrier with runback bit function, including shield Column 1 and prestressing force component 2, the guardrail 1 are removably mounted at the side of road 5, the prestressing force group by prestressing force component 2 Part 2 includes reinforcing bar 2.1, compressed spring 2.2 and anchor bolt 2.3, and as shown in Figure 4, Figure 5, the reinforcing bar 2.1 is worn longitudinally through shield The both ends on column 1, the reinforcing bar 2.1 are equipped with screw thread, and reinforcing bar 2.1 is connected to shield by compressed spring 2.2 and anchor bolt 2.3 On column 1, the reinforcing bar 2.1 is fixedly connected on road 5 close to the one end on ground, and the prestressing force component 2 further includes plastic tube 2.4, the plastic tube 2.4 is set between reinforcing bar 2.1 and guardrail 1 and contact reinforcing bar 2.1 will not with guardrail 1, and plastic tube 2.4 is adopted It is manufactured with PVC material, road 5 is equipped with thickening layer 3, and setback steel plate 4, the setback are equipped between the guardrail 1 and thickening layer 3 The wave crest of section 4.1 offsets with thickening layer 3, and the guardrail 1 is equipped with butting section 1.2, the butting section 1.2 far from the side of road 5 It offsets with the side of road 5, the guardrail 1 includes the first inclined-plane 1.3, the second inclined-plane 1.4 close to the side of road 5 and faces directly 1.5, second inclined-plane 1.4 is set to and the first inclined-plane 1.3 and faces directly between 1.5, described to face 1.5 directly for connecting with setback plate, The slope on second inclined-plane 1.4 less than the first inclined-plane 1.3 slope, as shown in figure 3, the setback steel plate 4 include setback section 4.1,1 fixed section of road fixed section 4.2 and guardrail, the road fixed section 4.2 with road 5 for being fixedly connected, the guardrail Fixed section 4.3 with guardrail 1 for being fixedly connected.
During the installation process, processing for pin hole corresponding with shear pin 1.1 and is used for and prestressing force component on road 5 2 corresponding anchor holes are hung guardrail 1 by crane equipment, are moved to designated position, place guardrail 1, start prestressed Component 2, wherein in prestressed component 2 on bridge, as shown in Fig. 2, reinforcing bar 2.1 penetrates bridge, in bridge far from road surface Side it is fixed by compression spring and anchor bolt 2.3, and in ordinary road 5, fixed one end then needs to lead to road 5 It crosses wall anchor bolt to be fixed, after the completion of the anchor bolt 2.3 of bottom is fixed, passes through specific device tension reinforcing steel bar from top 2.1, reach the setting value of tension, the anchor bolt 2.3 at fixed top then installs setback steel plate 4, and road fixed section 4.2 is logical Bolt to be crossed to be fixedly connected with road 5, guardrail fixed section 4.3 is fixed by bolt and guardrail 1, mating formation for thickening layer 3 is finally carried out, Complete first installation of the invention.Then if guardrail 1 occurs impact event and damages, it can directly be replaced, not needed It is constructed on a large scale, it is only necessary to several mounting holes be repaired, the requirement of reparation can be met.
As shown in fig. 6, Vehicular impact power is by the first inclined-plane to guardrail 1 after the accidental loads such as vehicle hit guardrail 1 1.3 generate two effects, and one is horizontal active force to the left, another is exactly rotation counterclockwise;Wherein it is horizontal to the left Active force by firstly the need of the frictional force overcome between guardrail 1 and road 5, and frictional force will be produced mainly by prestressing force component 2 Raw precompression is converted and is obtained;Shear pin 1.1 will be two defence lines for overcoming impact force horizontal force, further ensure guardrail 1 It will not be detached from from installation place;The rotation Moment that impact force generates will be resisted jointly by prestressing force component 2 and setback steel plate 4, Wherein the upper and lower stretcher strain of setback steel plate 4, dissipation Impact energy, while prestressing force component 2 will generate rebound effect power, so that After guardrail 1 deforms, runback is in situ, has ensured that prefabricated guardrail 1 will not be damaged, and Vehicular impact damage reduces.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment, All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (9)

1. a kind of assembled anticollision barrier with runback bit function, including guardrail (1), it is characterised in that: further include prestressing force Component (2), the guardrail (1) are removably mounted at the side of road (5), the prestressing force component by prestressing force component (2) It (2) include reinforcing bar (2.1), compressed spring (2.2) and anchor bolt (2.2), the reinforcing bar (2.1) is worn longitudinally through guardrail (1), The both ends of the reinforcing bar (2.1) pass through compressed spring (2.2) and anchor bolt (2.2) and reinforcing bar (2.1) are connected to guardrail (1) On, the reinforcing bar (2.1) is fixedly connected on road (5) close to the one end on ground.
2. a kind of assembled anticollision barrier with runback bit function according to claim 1, it is characterised in that: road (5) thickening layer (3) are equipped with, are equipped with setback steel plate (4) between the guardrail (1) and thickening layer (3).
3. a kind of assembled anticollision barrier with runback bit function according to claim 2, it is characterised in that: the wave Rolling over steel plate (4) includes setback section (4.1), road fixed section (4.2) and guardrail fixed section (4.3), the road fixed section (4.2) For being fixedly connected with road (5), the guardrail fixed section (4.3) with guardrail (1) for being fixedly connected.
4. a kind of assembled anticollision barrier with runback bit function according to claim 3, it is characterised in that: the wave The wave crest of trisection (4.1) offsets with thickening layer (3).
5. a kind of assembled anticollision barrier with runback bit function according to claim 1, it is characterised in that: described pre- Stress component (2) further includes plastic tube (2.3), and the plastic tube (2.3) is set between reinforcing bar (2.1) and guardrail (1) and makes steel Muscle (2.1) will not be contacted with guardrail (1).
6. a kind of assembled anticollision barrier with runback bit function according to claim 1, it is characterised in that: the shield The bottom on column (1) is equipped with shear pin (1.1), and in shear pin (1.1) insertion road (5), the shear pin (1.1) is set to pre- Between stress component (2).
7. a kind of assembled anticollision barrier with runback bit function according to claim 1, it is characterised in that: the shield Column (1) is equipped with butting section (1.2) far from the side of road (5), and the butting section (1.2) and the side of road (5) offset.
8. a kind of assembled anticollision barrier with runback bit function according to claim 2, it is characterised in that: the shield Column (1) includes the first inclined-plane (1.3), the second inclined-plane (1.4) close to the side of road (5) and faces directly (1.5), second inclined-plane (1.4) the first inclined-plane (1.3) are set to and are faced directly between (1.5), described face directly (1.5) with setback plate for connecting.
9. a kind of assembled anticollision barrier with runback bit function according to claim 8, it is characterised in that: described Slope of the slope on two inclined-planes (1.4) less than the first inclined-plane (1.3).
CN201910196501.4A 2019-03-15 2019-03-15 Assembled anticollision barrier with from reset function Active CN110016879B (en)

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CN201910196501.4A CN110016879B (en) 2019-03-15 2019-03-15 Assembled anticollision barrier with from reset function

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Application Number Priority Date Filing Date Title
CN201910196501.4A CN110016879B (en) 2019-03-15 2019-03-15 Assembled anticollision barrier with from reset function

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CN110016879A true CN110016879A (en) 2019-07-16
CN110016879B CN110016879B (en) 2021-02-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112664054A (en) * 2021-03-01 2021-04-16 赵文庆 Be used for public road bridge roof beam construction to use rail

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002146721A (en) * 2000-11-14 2002-05-22 Chiyoda Engineering Consultants Co Ltd Precast wall balustrade installation method
CN201276675Y (en) * 2009-01-09 2009-07-22 中铁十五局集团有限公司 A bridge guardrail that can defuse part of the impact force
CN201358443Y (en) * 2009-02-16 2009-12-09 金德民 Crash-proof guard rail with energy-absorbing device
CN205688344U (en) * 2016-06-02 2016-11-16 上海华城工程建设管理有限公司 Prefabricated inlay card anticollision barrier
CN106758803A (en) * 2016-12-06 2017-05-31 中国三冶集团有限公司 A kind of multifunction anti-collision guardrail and its construction method
CN207469088U (en) * 2017-11-09 2018-06-08 上海工程勘察设计有限公司 Overbridge anticollision barrier
JP2018141341A (en) * 2017-02-28 2018-09-13 三井住友建設株式会社 Mounting structure of precast wall balustrade and mounting method thereof
CN208533365U (en) * 2018-06-12 2019-02-22 北京市市政工程设计研究总院有限公司 A kind of prefabricated anticollision barrier splicing structure of novel bridge

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002146721A (en) * 2000-11-14 2002-05-22 Chiyoda Engineering Consultants Co Ltd Precast wall balustrade installation method
CN201276675Y (en) * 2009-01-09 2009-07-22 中铁十五局集团有限公司 A bridge guardrail that can defuse part of the impact force
CN201358443Y (en) * 2009-02-16 2009-12-09 金德民 Crash-proof guard rail with energy-absorbing device
CN205688344U (en) * 2016-06-02 2016-11-16 上海华城工程建设管理有限公司 Prefabricated inlay card anticollision barrier
CN106758803A (en) * 2016-12-06 2017-05-31 中国三冶集团有限公司 A kind of multifunction anti-collision guardrail and its construction method
JP2018141341A (en) * 2017-02-28 2018-09-13 三井住友建設株式会社 Mounting structure of precast wall balustrade and mounting method thereof
CN207469088U (en) * 2017-11-09 2018-06-08 上海工程勘察设计有限公司 Overbridge anticollision barrier
CN208533365U (en) * 2018-06-12 2019-02-22 北京市市政工程设计研究总院有限公司 A kind of prefabricated anticollision barrier splicing structure of novel bridge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112664054A (en) * 2021-03-01 2021-04-16 赵文庆 Be used for public road bridge roof beam construction to use rail
CN112664054B (en) * 2021-03-01 2022-01-07 赵文庆 Be used for public road bridge roof beam construction to use rail

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