CN211773140U - Divide and establish type central separation area guardrail structure suitable for highway superelevation section - Google Patents
Divide and establish type central separation area guardrail structure suitable for highway superelevation section Download PDFInfo
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- CN211773140U CN211773140U CN202020304008.8U CN202020304008U CN211773140U CN 211773140 U CN211773140 U CN 211773140U CN 202020304008 U CN202020304008 U CN 202020304008U CN 211773140 U CN211773140 U CN 211773140U
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Abstract
The utility model particularly relates to a divide and establish type central separation zone guardrail structure suitable for highway superelevation section, the drainage mode of having solved current concrete guardrail formula central separation zone has the drainage not smooth, easily induce traffic accident, polluted environment and influence the problem of concrete guardrail stability in using. The utility model provides a divide and establish type central separation zone guardrail structure suitable for highway superelevation section, includes wave form roof beam guardrail and concrete barrier, and wave form roof beam guardrail sets up in the one side of being close super high side road, and the concrete barrier sets up in the one side of being close inboard road, is provided with the greenbelt between wave form roof beam guardrail and the concrete barrier, and the inboard of wave form roof beam guardrail is provided with the side ditch. The utility model discloses a smooth and easy exhaust purpose in super high side road surface flowing water follow side ditch has improved the driving safety of road greatly, and sound construction, stability is good, is applicable to highway's super high highway section, and the use also can refer to in the non-super high highway section.
Description
Technical Field
The utility model relates to a traffic facilities for highway engineering specifically is a divide and establish type central separation zone guardrail structure suitable for highway superelevation section.
Background
The design specifications of the road traffic safety facilities specify that: for the expressway and the first-level highway, except for the area with large wind and snow in winter, a concrete guardrail type central separation belt is usually arranged in the middle of the two-way traffic road, so that water can be drained only in the ultrahigh road section by arranging water through holes on the concrete guardrail or arranging side ditches beside the central separation belt.
However, the prior concrete guardrail type central separator drainage method has the following problems in application: firstly, in an ultrahigh road section, too many water holes are required to be formed in the concrete guardrail, so that the stability of the concrete guardrail is directly influenced, and meanwhile, traffic accidents are easily caused when drainage flows to an inner road; secondly, when the water is drained through the side ditch arranged in the central separation band at the ultrahigh road section, water passing holes are required to be arranged on the concrete guardrail, and the problems of influence on the stability of the concrete guardrail and unsmooth drainage also exist; the arrangement at the inner side of the curb requires a large amount of cover plates or rain grates, which is not favorable for driving safety; and thirdly, a large amount of accumulated water can be formed in the center of the concrete guardrail at the non-ultrahigh road section, and the accumulated water overflowing the concrete guardrail can pollute the guardrail and can influence the passing of road vehicles on two sides.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the drainage mode of current super high-range concrete guardrail formula central separation area and have the drainage not smooth, easily induce traffic accident, polluted environment and influence the problem of concrete guardrail stability in using, provide a divide the central separation area guardrail structure of type of establishing suitable for highway super high-range.
The utility model discloses an adopt following technical scheme to realize:
a separately-arranged central division strip guardrail structure suitable for an ultrahigh section of a highway comprises an ultrahigh side road with a high outer part and a low inner part and an inner side road opposite to the ultrahigh side road in the driving direction; still including setting up wave form roof beam guardrail and the concrete guardrail that just follows road direction parallel placement between the left side curb belt of superelevation side road and the left side curb belt of inboard road, wherein, wave form roof beam guardrail sets up in the one side of being close superelevation side road, and the concrete guardrail sets up in the one side of being close inboard road, is provided with the greenbelt between wave form roof beam guardrail and the concrete guardrail, and the inboard of wave form roof beam guardrail is near being provided with the side ditch along the road direction setting.
During construction, firstly, concrete guardrails are cast in situ between the left curb belts of the ultrahigh-side road and the left curb belts of the inner-side road according to construction sizes, corrugated beam guardrails are installed, then green belts are laid between the corrugated beam guardrails and the concrete guardrails, and finally, side ditches are arranged at positions, close to the corrugated beam guardrails, of the inner sides of the corrugated beam guardrails, so that construction of the central separation belt guardrail is completed. In the use process, the pavement runoff water of the ultrahigh-side road flows into the side ditch through the corrugated beam guardrail and is discharged out of the roadbed through the inspection well and the drainage pipe crossing the roadbed. The utility model overcomes the drainage mode of current super high-range concrete guardrail formula central authorities division strip has the drainage not smooth, easily induces traffic accident, polluted environment and influences the problem of concrete guardrail stability in using.
The wave-shaped beam guardrail comprises a plurality of vertical upright posts fixed on the roadbed and wave-shaped guardrail plates which are arranged above the outer sides of the upright posts and are arranged along the road direction, and the top end of each upright post is provided with a blocking prevention block connected with the wave-shaped guardrail plates.
The anti-blocking block is used as an energy absorption mechanism, so that the corrugated beam guardrail is gradually deformed after being collided, the energy absorption is facilitated, and the casualties of passengers are reduced; simultaneously prevent that the piece can improve the wholeness of wave form roof beam guardrail, be favorable to distributing the impact more to stride the structure on to increase the bulk strength of wave form roof beam guardrail.
The concrete guardrail comprises a strip guardrail foundation fixed on the roadbed and a concrete guardrail body which is embedded in the top end part of the strip guardrail foundation and is narrow at the top and wide at the bottom, and the strip guardrail foundation and the concrete guardrail body are arranged along the road direction.
The left curb of the super-high side road is flush with the road surface, and the side ditch is a shallow dish-shaped side ditch with high sides and low middle; and a plurality of inspection wells are arranged in the middle of the side ditch at intervals.
The left curb that flushes with the road bed is favorable to introducing the road surface runoff water of superelevation side road in the gutter, and shallow dish shape gutter does not set up the apron, has reduced construction cost.
The wave-shaped guardrail plate is composed of a plurality of guardrail plate units which are connected into a row along the road direction.
The utility model has the advantages of reasonable design reliably, realized the smooth and easy exhaust purpose of superelevation side road surface flowing water from the gutter. Through setting up wave form roof beam guardrail and concrete guardrail to set up the side ditch in central authorities 'separate zone, improved the driving safety of road greatly, avoided the environmental pollution problem that the interior ponding overflow of central authorities separate zone brought simultaneously, sound construction, stability is good, has the advantage that construction cost is low, long service life, is applicable to highway's super high highway section, and non-super high highway section also can refer to the use simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1a is an upright post, 1b is a corrugated guardrail plate, 1c is a stop block, 2a is a strip guardrail foundation, 2b is a concrete guardrail body, 3 is a green belt, 4 is a side ditch, 5 is a left curb stone, and 6 is a road surface.
Detailed Description
A separately-arranged central division strip guardrail structure suitable for an ultrahigh section of a highway comprises an ultrahigh side road with a high outer part and a low inner part and an inner side road opposite to the ultrahigh side road in the driving direction; still including setting up wave form roof beam guardrail and the concrete guardrail that just follows road direction parallel placement between the left side curb belt of superelevation side road and the left side curb belt of inboard road, wherein, wave form roof beam guardrail sets up in the one side of being close superelevation side road, and the concrete guardrail sets up in the one side of being close inboard road, is provided with greenbelt 3 between wave form roof beam guardrail and the concrete guardrail, and wave form roof beam guardrail's inboard is near being provided with the side ditch 4 that sets up along the road direction.
The wave-shaped beam guardrail comprises a plurality of vertical columns 1a vertically fixed on a roadbed and wave-shaped guardrail plates 1b which are positioned above the outer sides of the vertical columns 1a and are arranged along the road direction, and the top end part of each vertical column 1a is provided with a resistance block 1c connected with the wave-shaped guardrail plate 1 b. The concrete guardrail is including being fixed in strip guardrail basis 2a on the road bed and inlaying in the concrete guardrail body 2b of strip guardrail basis 2a top portion and width under the narrow, and strip guardrail basis 2a and concrete guardrail body 2b all set up along the road direction. The left curb 5 of the super-high side road is flush with the road surface 6, and the side ditch 4 is a shallow dish-shaped side ditch with high two sides and low middle; a plurality of inspection wells are arranged in the middle of the side ditch 4 at intervals. The wave-shaped guardrail plate 1b is composed of a plurality of guardrail plate units which are connected into a row along the road direction.
In the specific implementation process, the side ditch 4 is a sectional side ditch, and an inspection well is arranged at the lowest position of each section of side ditch 4; the slope of the longitudinal slope at the bottom of the side ditch 4 at the upstream of each inspection well is consistent with that of the longitudinal slope of the road, and the longitudinal slope at the bottom of the side ditch 4 at the downstream is inclined and flows into the same inspection well (discharged out of the roadbed through a drainage pipe which penetrates through the roadbed) at the upstream, so that the number of the inspection wells is reduced, the construction cost is reduced, and the arrangement interval of the inspection wells is determined according to the drainage quantity; the non-ultrahigh road section is combined with the ultrahigh road section, one side of the non-ultrahigh road section is provided with a corrugated beam guardrail, and the other side of the non-ultrahigh road section is provided with a concrete guardrail.
Claims (5)
1. A separately-arranged central division strip guardrail structure suitable for an ultrahigh section of a highway comprises an ultrahigh side road with a high outer part and a low inner part and an inner side road opposite to the ultrahigh side road in the driving direction; the method is characterized in that: still including setting up in between the left side curb belt of superelevation side road and the left side curb belt of inboard road and along wave form roof beam guardrail and the concrete guardrail of road direction parallel placement, wherein, wave form roof beam guardrail sets up in the one side of being close superelevation side road, and the concrete guardrail sets up in the one side of being close inboard road, is provided with greenbelt (3) between wave form roof beam guardrail and the concrete guardrail, and the inboard of wave form roof beam guardrail is near being provided with side ditch (4) that set up along the road direction.
2. The structure of a divided type center bank guard rail adapted to an ultra high section of a highway according to claim 1, wherein: the wave-shaped beam guardrail comprises a plurality of vertical columns (1 a) fixed on a roadbed and wave-shaped guardrail plates (1 b) which are arranged above the outer sides of the columns (1 a) and are placed along the road direction, and the top end of each column (1 a) is provided with a resistance block (1 c) connected with the wave-shaped guardrail plates (1 b).
3. The structure of a divided type center bank guard rail adapted to an ultra high section of a highway according to claim 1, wherein: the concrete guardrail comprises a strip guardrail foundation (2 a) fixed on the roadbed and a concrete guardrail body (2 b) which is embedded in the top end part of the strip guardrail foundation (2 a) and is narrow at the top and wide at the bottom, and the strip guardrail foundation (2 a) and the concrete guardrail body (2 b) are arranged along the road direction.
4. The structure of a divided type center bank guard rail adapted to an ultra high section of a highway according to claim 1, wherein: the left curb (5) of the super-high side road is flush with the road surface (6), and the side ditch (4) is a shallow dish-shaped side ditch with high two sides and low middle; a plurality of inspection wells are arranged at intervals in the middle of the side ditch (4).
5. The structure of a divided type center bank guard rail adapted to an ultra high section of a highway according to claim 2, wherein: the wave-shaped guardrail plate (1 b) is composed of a plurality of guardrail plate units which are connected into a row along the road direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020304008.8U CN211773140U (en) | 2020-03-12 | 2020-03-12 | Divide and establish type central separation area guardrail structure suitable for highway superelevation section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020304008.8U CN211773140U (en) | 2020-03-12 | 2020-03-12 | Divide and establish type central separation area guardrail structure suitable for highway superelevation section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211773140U true CN211773140U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020304008.8U Active CN211773140U (en) | 2020-03-12 | 2020-03-12 | Divide and establish type central separation area guardrail structure suitable for highway superelevation section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211773140U (en) |
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2020
- 2020-03-12 CN CN202020304008.8U patent/CN211773140U/en active Active
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