CN209194413U - A kind of Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail - Google Patents
A kind of Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail Download PDFInfo
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- CN209194413U CN209194413U CN201822067154.9U CN201822067154U CN209194413U CN 209194413 U CN209194413 U CN 209194413U CN 201822067154 U CN201822067154 U CN 201822067154U CN 209194413 U CN209194413 U CN 209194413U
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Abstract
The utility model relates to a kind of Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rails, main technical schemes are as follows: rigid concrete wall type anti-collision guardrail, it includes multiple rigid concrete wall crash bearers, the multiple rigidity concrete wall crash bearer is fixed on side by side on the road surface of the Expressway Central Strip, tongue and groove splicing between the rigid concrete wall crash bearer of adjacent two；A longitudinal hole is symmetrically respectively arranged on a rigid concrete wall crash bearer in the rigid concrete wall crash bearer of adjacent two；The top of two sides in left and right of each rigid concrete wall crash bearer is provided with resistance and climbs bank；The height of each rigid concrete wall crash bearer is 66 ± 15cm；Flexible steel guard rail comprising express highway pavement structure sheaf is squeezed into and are fixed on to multiple steel pipe posts and multiple corrugated sheet steels, a steel pipe post through a longitudinal hole, and a corrugated sheet steel is separately fixed on two steel pipe posts.
Description
Technical field
The utility model relates to technical field of civil engineering more particularly to a kind of Expressway Central Strip lower-rigid-upper-flexibles
Combined anti-collision guard rail.
Background technique
Currently, China's highway, in traffic engineering design, design and construction to safety devices have specialty specification
And regulation, wherein mostly important Expressway Central Strip anticollision barrier is two kinds of forms, it is anti-that one is rigid concrete wall
Guardrail is hit, another kind is flexible steel plate guardrail, and it is basic to be completed 13.6 ten thousand kilometers of highway being open to traffic for China up to now
Using above two form, wherein the overwhelming majority is flexible corrugated sheet steel guardrail.
By 30 years operating practices, above two guard technology have the defects that it is certain, it is especially most commonly used
Flexible steel plate guardrail crosses guardrail after large-sized truck is out of control frequent occurrence since the drag that it resists large-sized truck shock is limited
It is punched into opposite lane, causes to bump against the even serious accident that falls over into the river with opposed vehicle, personnel's property loss is big, when interruption of communication
Between it is long, facility rehabilitation expense is high, and social influence is big.And the rigid concrete wall type anti-collision guardrail begun to use in recent years, though it can be through
By crash of the various vehicles after out of control, effectively vehicle is prevented to cross central guardrail, to prevent similar serious accident
Occur, maintenance workload is also minimum, but since wall is too high, and wall height is not substantially less than 100cm, precast wall body volume compared with
Greatly, transport installation is inconvenient, and has biggish sense of depression, sight line inducing effect to the small vehicle of fast lane normally travel
Bad, it is inconvenient to conserve to the green plants of central anti-dazzle in wall.
Therefore defect existing for above two protective fence is effectively solved, provides a kind of completely new safety for China's highway
Facility guard technology is this field technical problem urgently to be resolved.
Summary of the invention
In view of this, the utility model embodiment provides a kind of Expressway Central Strip lower-rigid-upper-flexible combined type anticollision
Guardrail, main purpose, which is to provide one kind, had not only had the function of that rigid concrete wall fence crashworthiness, energy dissipating, resistance crossed, are non-maintaining, but also tool
The anticollision barrier of the advantages of flexible steel guard rail quick construction, Comfortable attractive.
In order to achieve the above objectives, the utility model mainly provides the following technical solutions:
The utility model embodiment provides a kind of Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail, packet
It includes:
Rigid concrete wall type anti-collision guardrail comprising multiple rigidity concrete wall crash bearers, the multiple rigidity concrete wall anticollision
Pier is fixed on side by side on the road surface of the Expressway Central Strip, between the rigid concrete wall crash bearer of adjacent two
Tongue and groove splicing；Bilateral symmetry on a rigid concrete wall crash bearer in the rigid concrete wall crash bearer of adjacent two
It is respectively arranged with a longitudinal hole；The top of two sides in left and right of each rigid concrete wall crash bearer is provided with
Bank is climbed in resistance；The height of each rigid concrete wall crash bearer is 66 ± 15cm；
Flexible steel guard rail comprising multiple steel pipe posts and multiple corrugated sheet steels, a steel pipe post run through one
One longitudinal hole of the rigidity concrete wall crash bearer is squeezed into and is fixed on Expressway Central Strip pavement structure
Layer, a corrugated sheet steel are separately fixed on two steel pipe posts.
As previously described, each described rigid concrete wall crash bearer is all made of concrete C25 and set shaped steel formwork passes through factory
Change it is prefabricated be made, and use steam curing.
As previously described, each rigid concrete wall crash bearer is including the first crash bearer body and the second crash bearer body
Separate type median strip form of fracture structure is integral central dividing strip form of fracture structure.
As previously described, the rear and front end of each rigid concrete wall crash bearer is provided with tongue and groove slot wedge, adjacent
Two rigid concrete wall crash bearers between connected by tongue and groove slot wedge interpolation.
As previously described, the width of each rigid concrete wall crash bearer is 74-91cm.
As previously described, it is arcuate structure that bank is climbed in the resistance, and the radius that bank is climbed in the resistance is 2cm-6cm.
As previously described, a steel pipe post is through a longitudinal direction of a rigid concrete wall crash bearer
The depth that Expressway Central Strip road surface structare layer was squeezed into and be fixed on to through-hole is 60cm.
As previously described, the diameter of the longitudinal hole is 120mm, and the diameter of the steel pipe post is 114mm.
As previously described, further includes:
Central strip greenbelt, when each described rigid concrete wall crash bearer is including the first crash bearer body and second
The separate type median strip form of fracture structure of crash bearer body, central strip greenbelt setting after isolation described the
Between one crash bearer body and the second crash bearer body.
As previously described, further includes:
Multiple antiglare shields are separately fixed at least one rigid concrete wall crash bearer and at least one described waveform steel
On plate.
The beneficial effects of the utility model are, by the way that rigid concrete wall type anti-collision guardrail is arranged comprising multiple rigidity concretes
Wall crash bearer；Left and right pair on a rigid concrete wall crash bearer in the rigid concrete wall crash bearer of adjacent two
Title is respectively arranged with a longitudinal hole；The height of each rigid concrete wall crash bearer is 66 ± 15cm；Flexible steel shield
Column comprising multiple steel pipe posts and multiple corrugated sheet steels, a steel pipe post are squeezed into and consolidated through a through-hole
It is scheduled on express highway pavement structure sheaf, a corrugated sheet steel is separately fixed on two steel pipe posts.Correlation is set
The rigid concrete wall type anti-collision guardrail and flexible steel guard rail independently used in meter specification has carried out Combinatorial Optimization, to rigid concrete wall
Formula crash bearer has carried out geometric dimension optimization, that is, reduces the height that rigid concrete wall crash bearer is used alone at present, reduce
Upper edge portion replaced by flexible steel guard rail, so that the concrete amount of rigid concrete wall crash bearer and weight be made accordingly to reduce,
Rigid concrete wall crash bearer transport is marched into the arena, and is installed difficulty in place and is reduced.And it is good that the combination of the two has the utility model
Whole crashworthiness, when Vehicular impact occurs, since the steel pipe post of flexible steel guard rail runs through rigid concrete wall crash bearer
(pass through through-hole) in wall and squeeze into road surface structare layer, so that rigid concrete wall type anti-collision guardrail and flexible steel guard rail support mutually production
Raw combination drag, while central strip greenbelt bankets with good elastoplasticity drag.When small vehicle and the anticollision
When side collision occurs for guardrail, the impulsive contact force of its vehicle body and tire can be independently born by rigid concrete wall crash bearer, passes through rigidity
The limit effect of climbing that bank is climbed in the energy dissipating effect and resistance of concrete wall crash bearer enables the impulsive contact force of vehicle to clear up and returns it to lane.
It is same first by rigid concrete wall crash bearer stress energy dissipating for the side collision with guardrail that oversize vehicle occurs, then lead to again
Crossing thin tail sheep conduction makes central strip greenbelt after rigid concrete wall crash bearer banket and steel pipe post collective effect generation drag
Neutralizing.Lower part rigidity concrete wall crash bearer effectively can prevent wheel from crossing guardrail, be punched into opposite lane, top flexibility steel guard rail
The side of vehicle can be effectively prevent to cover.Passed through by the way that each described steel pipe post is arranged through a rigid concrete wall anticollision
Express highway pavement structure sheaf is squeezed into and be fixed on to the through-hole of pier, and the steel pipe of flexible steel guard rail is used alone with the prior art
Column driving depth compares, and driving depth can reduce 40-50cm, and difficulty of construction accordingly reduces.By the way that adjacent two are arranged
Tongue and groove slot wedge splicing between the rigidity concrete wall crash bearer, makes rigid concrete wall crash bearer in the shock by different angle
When, the transmitting of power between multiple rigid concrete wall crash bearers can be formed, combination is effectively improved by the collective effect of various aspects
The monoblock type impact resistant capability of formula anticollision barrier.
Detailed description of the invention
Fig. 1 is a kind of Expressway Central Strip lower-rigid-upper-flexible combined type anticollision shield provided by the embodiment of the utility model
Column side structure schematic diagram；
Fig. 2 is a kind of Expressway Central Strip lower-rigid-upper-flexible combined type anticollision shield provided by the embodiment of the utility model
Column facade section structure diagram；
Fig. 3 is a kind of Expressway Central Strip lower-rigid-upper-flexible combined type anticollision shield provided by the embodiment of the utility model
The rigid concrete wall crash bearer schematic view of facade structure on column；
Fig. 4 is a kind of Expressway Central Strip lower-rigid-upper-flexible combined type anticollision shield provided by the embodiment of the utility model
The rigid concrete wall crash bearer tongue and groove slot wedge mounting structure schematic diagram of adjacent two on column；
Fig. 5 is another Expressway Central Strip lower-rigid-upper-flexible combined type anticollision provided by the embodiment of the utility model
Guardrail side structure schematic diagram；
Fig. 6 is another Expressway Central Strip lower-rigid-upper-flexible combined type anticollision provided by the embodiment of the utility model
Guardrail facade section structure diagram；
Fig. 7 is another Expressway Central Strip lower-rigid-upper-flexible combined type anticollision provided by the embodiment of the utility model
The rigid concrete wall crash bearer schematic view of facade structure of guardrail；
Fig. 8 is another Expressway Central Strip lower-rigid-upper-flexible combined type anticollision provided by the embodiment of the utility model
The rigid concrete wall crash bearer Plane Installation structural schematic diagram of guardrail.
Specific embodiment
It should be noted that term "front", "rear", "left", "right" for being related in the utility model embodiment etc. refer to
The orientation or positional relationship shown is orientation based on the figure or positional relationship, and being merely for convenience of description, this is practical new
Type and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore should not be understood as limiting the present invention.
As shown in Figures 1 to 8, under a kind of Expressway Central Strip that one embodiment of the utility model provides just
Upper soft combined anti-collision guard rail comprising: rigid concrete wall type anti-collision guardrail 1, flexible steel guard rail 2, wherein
The rigidity concrete wall type anti-collision guardrail 1 comprising multiple rigidity concrete wall crash bearers 11, the multiple rigidity concrete wall
Formula crash bearer 11 is fixed on side by side on the road surface of the Expressway Central Strip, and the rigid concrete wall of adjacent two is anti-
Tongue and groove between pier 11 is hit to splice；A rigid concrete wall anticollision in the rigid concrete wall crash bearer 11 of adjacent two
A longitudinal hole 111 is symmetrically respectively arranged on pier 11；The left and right two of each rigid concrete wall crash bearer 11
The top of a side is provided with resistance and climbs bank 112, and it is arcuate structure that bank 112 is climbed in the resistance, and the radius that bank 112 is climbed in the resistance is
2cm-6cm, occurrence can be set by designing unit according to Practical Project situation.It is described to hinder the setting for climbing bank 112 with prevention vehicle
Take turns the function of preventing vehicle body from crossing guardrail of climbing.Specifically, each described rigid concrete wall crash bearer 11 be all made of concrete C25 and
Set shaped steel formwork is made by the way that batch production is prefabricated, each described rigid concrete wall crash bearer 11 preferably uses steam curing,
To improve the quality and yield of preformed rigid concrete wall crash bearer.The configuration design of each rigid concrete wall crash bearer 11
All have that crashworthiness protection, energy dissipating, resistance tire climbs, body of holding up traffic crosses the function of guardrail to the shock of errant vehicle different directions.
The height of each rigid concrete wall crash bearer 11 is 66cm, and the height of each rigid concrete wall crash bearer 11 can
It is adjusted according to specific requirements in a small range, adjusting range is ± 15cm, the width of each rigid concrete wall crash bearer 11
Degree is 74-91cm, and engineer application can increase impact test according to on-site actual situations, to correct local size.
The flexibility steel guard rail 2 comprising multiple steel pipe posts 21 and multiple corrugated sheet steels 22, a steel pipe post
21 longitudinal holes 111 for running through a rigidity concrete wall crash bearer 11 are squeezed into and are fixed on highway central
Dividing strip road surface structare layer, a corrugated sheet steel 22 are separately fixed on two steel pipe posts 21.Specifically, one
The steel pipe post 21 is squeezed into and is fixed on through a longitudinal hole 111 of a rigidity concrete wall crash bearer 11
The depth of Expressway Central Strip road surface structare layer is 60cm.The diameter of the longitudinal hole 111 is 120mm, the steel
The diameter of tube column 21 is 114mm.The steel pipe post 21, which has, keeps rigid concrete wall type anti-collision guardrail and flexible steel guard rail mutual
Support generates the function of combination drag, and the corrugated sheet steel 22 can effectively provide sight line inducing, has to errant vehicle general anti-
Protection is hit, anti-side is toppled and vehicle body is stopped to cross the function of guardrail.
The utility model embodiment is by being arranged rigid concrete wall type anti-collision guardrail comprising multiple rigidity concrete wall anticollisions
Pier；Bilateral symmetry is set respectively on a rigid concrete wall crash bearer in the rigid concrete wall crash bearer of adjacent two
It is equipped with a longitudinal hole；The height of each rigid concrete wall crash bearer is 66 ± 15cm；Flexible steel guard rail comprising
Multiple steel pipe posts and multiple corrugated sheet steels, a steel pipe post are squeezed into through a through-hole and are fixed on high speed public affairs
Road road surface structare layer, a corrugated sheet steel are separately fixed on two steel pipe posts.By in relevant design specification points
The rigid concrete wall type anti-collision guardrail that does not use independently and flexible steel guard rail have carried out Combinatorial Optimization, to rigid concrete wall crash bearer into
It has gone geometric dimension optimization, that is, has reduced the rigid concrete wall crash bearer height being used alone at present, reduced upper edge portion
Replaced by flexible steel guard rail, thus reduce the concrete amount of rigid concrete wall crash bearer and weight accordingly, rigid concrete wall
Crash bearer transport is marched into the arena, and is installed difficulty in place and is reduced.And the combination of the two makes the utility model have good whole crashworthiness
Performance (passes through when Vehicular impact occurs since the steel pipe post of flexible steel guard rail runs through in rigid concrete wall crash bearer wall
Through-hole) and road surface structare layer is squeezed into, so that rigid concrete wall type anti-collision guardrail and flexible steel guard rail support mutually generation combination drag,
Central strip greenbelt bankets with good elastoplasticity drag simultaneously.When small vehicle and the anticollision barrier occur laterally
When collision, the impulsive contact force of its vehicle body and tire can be independently born by rigid concrete wall crash bearer, passes through rigid concrete wall crash bearer
Energy dissipating effect and resistance climb bank limit climb act on so that the impulsive contact force of vehicle is cleared up and return it to lane.For oversize vehicle
The side collision with guardrail occurred, it is same first by rigid concrete wall crash bearer stress energy dissipating, then conducted again by thin tail sheep
Central strip greenbelt after rigid concrete wall crash bearer is set to banket and the generation drag neutralizing of steel pipe post collective effect.Lower part rigidity
Concrete wall crash bearer effectively can prevent wheel from crossing guardrail, be punched into opposite lane, and top flexibility steel guard rail can effectively prevent vehicle
Side cover.Pass through the through-hole through a rigid concrete wall crash bearer by the way that each described steel pipe post is arranged
Express highway pavement structure sheaf is squeezed into and be fixed on, the steel pipe post driving depth of flexible steel guard rail is used alone with the prior art
It compares, driving depth can reduce 40-50cm, and difficulty of construction accordingly reduces.By the way that the rigid concrete wall of adjacent two is arranged
Tongue and groove slot wedge splices between formula crash bearer, makes rigid concrete wall crash bearer in the shock by different angle, can be formed multiple
The transmitting of power between rigid concrete wall crash bearer can effectively improve combined anti-collision guard rail by the collective effect of various aspects
Monoblock type impact resistant capability.
Further, as shown in Figure 2 and Figure 5, each rigid concrete wall crash bearer 11 is including the first crash bearer body
113 and second crash bearer body 114 separate type median strip form of fracture structure or be integral central dividing strip section
The rigid concrete of integral central dividing strip form of fracture structure can be used when highway is limited by horizontal space for form structure
Wall crash bearer.
For a further understanding of the technical solution of the utility model, combined with specific embodiments below to the separate type center
The rigid concrete wall crash bearer 11 of dividing strip form of fracture structure and integral central dividing strip form of fracture structure and existing skill
The concrete amount of the common rigid concrete wall crash bearer of art is described in further detail.
Table 1
According to table 1 as can be seen that a standard element of separate type median strip form of fracture structure can be saved
12.5% or so concrete material (the design width of the crash bearer is larger, more firm).The integral central separates
A standard element with form of fracture structure can save 77.1% or so concrete material.The rigidity concrete wall crash bearer
11 while saving a large amount of concrete materials, anti-collision effect itself is also significantly improved.
Further, as shown in Figure 4 and Figure 8, the front and back end of each rigid concrete wall crash bearer 11 is provided with
Tongue and groove slot wedge 115 is connected by 115 interpolation of tongue and groove slot wedge between the rigid concrete wall crash bearer 11 of adjacent two.Pass through
The setting of tongue and groove slot wedge 115 makes rigid concrete wall anti-collision wall 1 in the shock by different angle, can form multiple rigid concrete walls
The transmitting of 11 power of formula crash bearer effectively improves the monoblock type impact resistant capability of the anticollision barrier.
Further, prevent dazzling to provide sight line inducing, as depicted in figs. 1 and 2, the highway central separates
Band lower-rigid-upper-flexible combined anti-collision guard rail further include: central strip greenbelt 3, when the rigid concrete wall crash bearer 11 is to include
When the separate type median strip form of fracture structure of the first crash bearer body 113 and the second crash bearer body 114, the central strip
Between the first crash bearer body 113 and the second crash bearer body 114 of the setting of greenbelt 3 after isolation.Or in order to mention
Prevented for sight line inducing it is dazzling, as shown in figure 5, the Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail also wraps
Include: multiple antiglare shields 4 are separately fixed at least one rigid concrete wall crash bearer 11 and at least one described corrugated sheet steel
On 22.
Specific construction installation method is as follows:
Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail described in the utility model is in remaining the last layer
It is installed before laying of roadway, basic working procedure are as follows: surveying setting-out, bed course arrange, and rigid concrete wall crash bearer transport is marched into the arena, and adjustment is in place
Installation, it is contemplated that when steel pipe post is squeezed into later, need penetrating component Expressway Central Strip road surface structare layer, difficulty
It is larger, therefore after the accurate positionin of rigid concrete wall crash bearer, the hole location of squeezing into of first road pavement structure sheaf drills, and facilitates steel
Tube column squeezes into installation.When rigidity concrete wall crash bearer is installed, position accurately and guarantee is flat quasi- with vertically, carry out adjacent
The interpolation docking of tongue and groove slot wedge between two rigid concrete wall crash bearers.For including the first crash bearer body and the second anticollision
The rigid concrete wall crash bearer of the separate type median strip form of fracture structure of pier body preferably uses two sides are synchronous to carry out, and the
It carries out ploughing between one crash bearer body and the second crash bearer body and plants earthen backfill.The dirt of road pavement is strictly prevented during the installation process
Dye, install can carry out steel pipe post after rigid concrete wall crash bearer squeeze into construction, steel pipe post squeezes into highway central
The depth of dividing strip road surface structare layer is 60cm, to keep the vertical degree of good rigid concrete wall crash bearer at this time, prevent rigid concrete
Wall crash bearer shatters.It finally saves in due course, install corrugated sheet steel and completes the greening or anti-dazzle of central strip greenbelt
Plate installation.
The utility model embodiment is by being arranged rigid concrete wall type anti-collision guardrail comprising multiple rigidity concrete wall anticollisions
Pier；Bilateral symmetry is set respectively on a rigid concrete wall crash bearer in the rigid concrete wall crash bearer of adjacent two
It is equipped with a longitudinal hole；The height of each rigid concrete wall crash bearer is 66 ± 15cm；Flexible steel guard rail comprising
Multiple steel pipe posts and multiple corrugated sheet steels, a steel pipe post are squeezed into through a through-hole and are fixed on high speed public affairs
Road road surface structare layer, a corrugated sheet steel are separately fixed on two steel pipe posts.By in relevant design specification points
The rigid concrete wall type anti-collision guardrail that does not use independently and flexible steel guard rail have carried out Combinatorial Optimization, to rigid concrete wall crash bearer into
It has gone geometric dimension optimization, that is, has reduced the height for the rigid concrete wall crash bearer being used alone at present, reduced rising wood
Divide and is replaced by flexible steel guard rail, thus reduce the concrete amount of rigid concrete wall crash bearer and weight accordingly, rigid concrete wall
The transport of formula crash bearer is marched into the arena, and is installed difficulty in place and is reduced.And the combination of the two keeps the utility model anti-with good entirety
Performance is hit, when Vehicular impact occurs, since the steel pipe post of flexible steel guard rail runs through (logical in rigid concrete wall crash bearer wall
Cross through-hole) and road surface structare layer is squeezed into, so that rigid concrete wall type anti-collision guardrail and flexible steel guard rail support mutually generation combination anti-
Power, while central strip greenbelt bankets with good elastoplasticity drag.When small vehicle and the anticollision barrier occur
When side collision, the impulsive contact force of its vehicle body and tire can be independently born by rigid concrete wall crash bearer, it is anti-by rigid concrete wall
The limit effect of climbing that bank is climbed in the energy dissipating effect and resistance for hitting pier enables the impulsive contact force of vehicle to clear up and returns it to lane.For large size
The side collision with guardrail that vehicle occurs, it is same first by rigid concrete wall crash bearer stress energy dissipating, then pass through thin tail sheep again
Conduction makes central strip greenbelt after rigid concrete wall crash bearer banket and the generation drag neutralizing of steel pipe post collective effect.Lower part
Rigid concrete wall crash bearer effectively can prevent wheel from crossing guardrail, be punched into opposite lane, and top flexibility steel guard rail can effectively be prevented
Only the side of vehicle is covered.Passed through by the way that each described steel pipe post is arranged through described in a rigid concrete wall crash bearer
Express highway pavement structure sheaf is squeezed into and be fixed on to through-hole, and the steel pipe post that flexible steel guard rail is used alone with the prior art is squeezed into
Depth compares, and driving depth can reduce 40-50cm, and difficulty of construction accordingly reduces.By the way that two adjacent rigidity are arranged
Tongue and groove slot wedge splices between concrete wall crash bearer, makes rigid concrete wall crash bearer in the shock by different angle, can be formed
The transmitting of power between multiple rigidity concrete wall crash bearers, can effectively improve combined type anticollision shield by the collective effect of various aspects
The monoblock type impact resistant capability on column.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical new to this
The range of type is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this reality
The various changes and improvements made with novel technical solution should all fall into the protection that claims of the utility model determine
In range.
Claims (10)
1. a kind of Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail characterized by comprising
Rigid concrete wall type anti-collision guardrail (1) comprising multiple rigidity concrete wall crash bearers (11), the multiple rigidity concrete wall are anti-
It hits pier (11) to be fixed on side by side on the road surface of the Expressway Central Strip, the rigid concrete wall anticollision of adjacent two
Tongue and groove splices between pier (11)；A rigid concrete wall in the rigid concrete wall crash bearer (11) of adjacent two is anti-
It hits and is symmetrically respectively arranged with a longitudinal hole (111) on pier (11)；Each described rigid concrete wall crash bearer (11)
The top of two sides in left and right be provided with resistance and climb bank (112)；The height of each rigid concrete wall crash bearer is 66
±15cm；
Flexible steel guard rail (2) comprising multiple steel pipe posts (21) and multiple corrugated sheet steels (22), a steel pipe post
(21) longitudinal hole (111) through a rigid concrete wall crash bearer (11) squeezes into and is fixed on high speed public affairs
The road surface structare layer of road median strip, a corrugated sheet steel (22) are separately fixed at two steel pipe posts (21)
On.
2. Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail according to claim 1, which is characterized in that
Each described rigid concrete wall crash bearer (11) is all made of concrete C25 and set shaped steel formwork and passes through the prefabricated production of batch production
At, and use steam curing.
3. Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail according to claim 1, which is characterized in that
Each rigid concrete wall crash bearer (11) is including the first crash bearer body (113) and the second crash bearer body (114)
Separate type median strip form of fracture structure is integral central dividing strip form of fracture structure.
4. Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail according to claim 1, which is characterized in that
The front and back end of each rigid concrete wall crash bearer (11) is provided with tongue and groove slot wedge (115), two adjacent institutes
It states and is connected between rigid concrete wall crash bearer (11) by tongue and groove slot wedge (115) interpolation.
5. Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail according to claim 1, which is characterized in that
The width of each rigid concrete wall crash bearer (11) is 74-91cm.
6. Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail according to claim 1, which is characterized in that
It is arcuate structure that bank (112) are climbed in the resistance, and the radius that bank (112) is climbed in the resistance is 2cm-6cm.
7. Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail according to claim 1, which is characterized in that
One steel pipe post (21) is beaten through a longitudinal hole (111) of a rigid concrete wall crash bearer
The depth for entering and being fixed on the road surface structare layer of Expressway Central Strip is 60cm.
8. Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail according to claim 1, which is characterized in that
The diameter of the longitudinal hole (111) is 120mm, and the diameter of the steel pipe post (21) is 114mm.
9. Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail according to claim 3, which is characterized in that
Further include:
Central strip greenbelt (3), when each rigid concrete wall crash bearer (11) be including the first crash bearer body (113) and
When the separate type median strip form of fracture structure of the second crash bearer body (114), central strip greenbelt (3) setting exists
Between the first crash bearer body (113) and the second crash bearer body (114) after separation.
10. Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail according to claim 1, feature exist
In, further includes:
Multiple antiglare shields (4) are separately fixed at least one rigid concrete wall crash bearer (11) and at least one described wave
On shape steel plate (22).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822067154.9U CN209194413U (en) | 2018-12-10 | 2018-12-10 | A kind of Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822067154.9U CN209194413U (en) | 2018-12-10 | 2018-12-10 | A kind of Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail |
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| CN209194413U true CN209194413U (en) | 2019-08-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356057A (en) * | 2018-12-10 | 2019-02-19 | 潘晓东 | A kind of Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail |
-
2018
- 2018-12-10 CN CN201822067154.9U patent/CN209194413U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356057A (en) * | 2018-12-10 | 2019-02-19 | 潘晓东 | A kind of Expressway Central Strip lower-rigid-upper-flexible combined anti-collision guard rail |
| CN109356057B (en) * | 2018-12-10 | 2024-03-01 | 潘晓东 | Rigid-flexible combined anti-collision guardrail under central dividing strip of expressway |
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