CN110306392A - U turn overpass structure - Google Patents
U turn overpass structure Download PDFInfo
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- CN110306392A CN110306392A CN201910369035.5A CN201910369035A CN110306392A CN 110306392 A CN110306392 A CN 110306392A CN 201910369035 A CN201910369035 A CN 201910369035A CN 110306392 A CN110306392 A CN 110306392A
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- Prior art keywords
- turn
- lane
- main roads
- structure according
- road
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
- E01C1/04—Road crossings on different levels; Interconnections between roads on different levels
Abstract
The present invention relates to a kind of u turn overpass structures, u turn is introduced into traffic interchange, realize that all directions vehicle is turned right by the direct-connected right turn ramp in setting inside, and left turn traffic is far guided to intersection downstream road section, u-turn is carried out by the turning roadway being arranged on lane center dividing strip and realizes.The grade separation form of u turn, in the uninterrupted operation for guaranteeing all kinds of traffic such as straight trip between intersecting roads, right-hand rotation and left-hand rotation, while reducing the waiting time of various types of vehicles and reduce the accident rate of intersection, the occupied area of grade separation is reduced to the greatest extent, in the long run, the universal of the following pilotless automobile can be better adapted to.
Description
Technical field
The present invention relates to a kind of u turn grade separations, belong to the highway layout field of urban road intersection.
Background technique
In City road traffic system, intersection affects the efficiency and vehicle service efficiency of entire road network.It hands over
Prong is the place that the traffic flow of different directions converges, shunts, and traffic conditions are complicated, the intertexture and conflict of motor vehicle and motor vehicle
Cause very big traffic pressure.The problem of traffic interchange very good solution traffic conflict, but due to land occupation, cost etc. is asked
Topic, is rarely applied to urban inner road.
Summary of the invention
In view of the above-mentioned problems, the present invention proposes a kind of u turn overpass structure, u turn is introduced into traffic interchange
In the middle, it realizes that all directions vehicle is turned right by the direct-connected right turn ramp in setting inside, and left turn traffic is far guided under intersection
Section is swum, u-turn is carried out by the turning roadway being arranged on lane center dividing strip and realizes.The grade separation shape of u turn
Formula reduces various types of vehicles in the uninterrupted operation for guaranteeing all kinds of traffic such as straight trip between intersecting roads, right-hand rotation and left-hand rotation
Waiting time and reduce the accident rate of intersection while reduces the occupied area of grade separation to the greatest extent and is built into
This.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of u turn overpass structure, including main roads, secondary road；There are intersection constructions with secondary road for main roads；
The main roads and secondary road are all not provided with left turn lane；In the intersection construction, main roads are located on secondary road
Side；The main roads are equipped with bidirectional turn lane.
In the present invention, the main roads and secondary road are all arranged right-turn lane, in the intersection construction, right-turn lane
For ring road structure；Right-hand rotation can fast and safely pass through Lothrus apterus point between through vehicles, all directions vehicle.
In the present invention, secondary road is equipped with bidirectional turn lane.Bidirectional turn lane is conventional noun, and effect is so that two
The driving vehicle in a direction can respectively turn around.
In the present invention, on main roads and secondary road, reversing end for end length of the switch area in lane apart from intersection construction is 130
~170 meters, utilize right-turning vehicles lane change required distance and the needs shorter as far as possible around row distance, preferably 150 meters.
In the present invention, on main roads, the switch area for reversing end for end lane is equipped with elevating lever；Elevating lever itself and installation, control
It is made as the prior art, the opening and closing of switch area can control by the design of elevating lever, if encountering the big situation of wagon flow, Ke Yitong
The closure u-turn of rise elevating lever is crossed, guide car continues to move ahead without reversing end for end, and avoid lane change from causing safety problem or blockage problem,
The vehicle for needing to reverse end for end can arrive safety u-turn at front signal light；This structure is emergency design.
In the present invention, the intersection construction is equipped with wagon flow statistic device；Wagon flow statistic device and its installation, using for show
There is technology, it is conventional to buy, it may be mounted at the isolation of two-way lane, for example on isolated column, on headlamp, can unite
The wagon flow situation at intersection construction is counted, administrative department's visual reference on the one hand can be given, on the other hand can be controlled to elevating lever
Personnel provide information.
In the present invention, the main roads are equipped with isolation strip；On main roads, the switch area for reversing end for end lane is equipped with feeling of stress
Answer lamp.Normally isolating two-way lane has the forms such as isolation strip, shielding wire, isolated column, and wherein isolation strip has one fixed width, both may be used
With the u-turn space certain to head end operation, holding areas can also be provided, is conducive to guarantee safety；Pressure sensitive lamp and its installation
For the prior art, purpose has vehicle u-turn to inform other vehicles herein by the flashing of pressure sensitive lamp, avoids safety problem,
It is appreciated that the pressure sensitive device of pressure sensitive lamp is mounted on and turns around to locate bottom surface, can be pressed by vehicle to provide pressure.
In the present invention, on main roads, the switch area for reversing end for end lane is not provided with right of way signal lamp, i.e., no traffic lights can
Smooth degree is communicated to improve.
In the present invention, main roads and secondary road determines according to actual conditions, the switch area of main roads defined above
Design, can quickly through in the case where guarantee traffic safety, secondary road is similarly designed and is reversed end for end after turning right
Structure, but can be as main roads for the design of switch area, it can also be different, such as can be on secondary road
Isolation strip is set, isolated column or shielding wire also can be set, although u-turn space is small, since secondary road wagon flow is few, to row
Vehicle security implication very little.
In U-shaped grade separation structure of the invention, main roads and secondary road intersect, in main roads and secondary road
Between be respectively equipped with a right-hand rotation ring road in four quadrants being formed, turn right and use the direct-connected ring road connection in inside；Also set up four
Item reverses end for end bend, and the upstream and downstream lane center of main roads and secondary road is arranged in u-turn bend (switch area in u-turn lane)
On dividing strip, at the 150m of intersection, turn left then by wagon flow far being guided to intersection downstream road section, by being arranged in vehicle
The mode that turning roadway on road central strip band is reversed end for end realizes left-hand rotation.
Compared with the prior art, the beneficial effects of the present invention are:
Land occupation less, building height, project cost it is low；Traffic form is simple, is easy to tissue traffic；Straight trip, the right side between intersecting roads
Turn and turn left etc. all kinds of traffic uninterrupted operation, with unmanned technology cooperate, vehicle operational efficiency will be greatly improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one u turn overpass structure of embodiment；
Fig. 2 is the prevailing state of one u turn overpass structure of embodiment with reference to figure；
Fig. 3 is the structural schematic diagram of two u turn overpass structure of embodiment；
Fig. 4 is the structural schematic diagram of three u turn overpass structure of embodiment；
Fig. 5 is the structural schematic diagram of example IV u turn overpass structure；
Wherein, main roads 1, secondary road 2, intersection construction 3, isolation strip 4, switch area 5, right-turn lane 6, elevating lever 7, wagon flow
Statistic device 8, pressure sensitive lamp 9, pressure sensitive device 91.
Specific embodiment
Embodiment one
Referring to Fig.1:
A kind of u turn overpass structure, including main roads 1, secondary road 2；There are cross knots with secondary road for main roads
Structure 3；Main roads and secondary road are all not provided with left turn lane；In intersection construction, main roads are located above secondary road, tool
Body is that frame height is arranged on ground main roads along the north-south direction, and secondary road is arranged on ground along east-west direction to be located at
Under the main roads；Main roads, secondary road are designed with isolation strip 4, and switch area 5(is only marked at one, can at excess-three
Undoubted determination) it is all located on isolation strip；The switch area in u-turn lane is not provided with right of way signal lamp.
Main roads are equipped with bidirectional turn lane, and reversing end for end length of the switch area in lane apart from intersection construction is 150 meters；It is secondary
Road is wanted to be equipped with bidirectional turn lane, reversing end for end length of the switch area in lane apart from intersection construction is 150 meters.Switch area distance is handed over
The length of fork structure refers to switch area to the distance between the edge of intersection construction.
Main roads and secondary road are all arranged right-turn lane 6(and only mark at one, can undoubtedly really at excess-three
Calmly), in intersection construction, right-turn lane is ring road structure.
Referring to attached drawing 2, the prevailing state on the basis of being Fig. 1 is with reference to figure；Shape between the main roads and secondary road of intersection
At four quadrants in be respectively equipped with right-hand rotation ring road A, B, C, a D；U-shaped grade separation structure, which further includes four, can be realized a left side
The upstream and downstream lane center of the main roads and secondary road is arranged in u-turn bend E, F, G, H of rotating function, u-turn bend
On dividing strip, at the 150m of intersection；Across secondary road on main roads, turns right and use the direct-connected ring road connection in inside, it is left
Turning is carried out then by wagon flow far being guided to intersection downstream road section by the turning roadway being arranged on lane center dividing strip
The mode of u-turn realizes left-hand rotation.The travel route that vehicle is respectively exported in overpass structure is as shown in the table:
From above-described embodiment as can be seen that present invention has an advantage that land occupation, building height, project cost are low；Traffic form letter
It is single, it is easy to tissue traffic；The uninterrupted operation of all kinds of traffic such as straight trip, right-hand rotation and left-hand rotation between intersecting roads.It is existing main
On road, the time that a left-hand rotation vehicle averagely passes through crossing is 150s, during which there is the through vehicles waiting time；Using the present invention
Intersection construction forms crossing (embodiment one), and by calculating, the time that a left-hand rotation vehicle averagely passes through crossing is 95s or so, phase
Between be not present the through vehicles waiting time, thoroughly solve the congestion of existing main crossroads.If will reverse end for end the switch area in lane away from
Length adjustment from intersection construction is 200 meters, will increase transit time, and can be close with downstream road junction, it is unfavorable to pass through to it；
If will reverse end for end length adjustment of the switch area in lane apart from intersection construction is 100 meters, u-turn difficulty (being related to lane change) will increase,
And can be close with right-hand rotation ring road mouth, it is unfavorable to pass through to it.
Embodiment two
On the basis of example 1, on main roads, the switch area for reversing end for end lane is equipped with elevating lever 7, referring to attached drawing 3；Pass through
Conventional method is mounted on the switch area ground in u-turn lane.It can control the opening and closing of switch area by the design of elevating lever, such as
Fruit encounters the big situation of wagon flow, can be by rising elevating lever closure u-turn, and guide car continues to move ahead without reversing end for end, and avoids lane change
Cause safety problem or blockage problem, the vehicle for needing to reverse end for end can arrive safety u-turn at front signal light；This structure is to answer
Anxious design.
Embodiment three
On the basis of example 2, intersection construction is equipped with existing wagon flow statistic device 8 and pacifies by conventional method referring to attached drawing 4
In the isolation strip of main roads, the wagon flow situation at intersection construction can be counted, it on the one hand can be straight to administrative department
Reference is seen, on the other hand can provide information to elevating lever controllers；The specifically used and information of wagon flow statistic device passes
Defeated is the prior art.
Example IV
On the basis of example 1, on main roads, the switch area for reversing end for end lane is equipped with pressure sensitive lamp 9, pressure sensitive lamp
Pressure sensitive device 91 be mounted on and turn around to locate bottom surface, referring to attached drawing 5, can be pressed by vehicle to provide pressure, purpose in order to
Informing other vehicles herein by the flashing of pressure sensitive lamp has vehicle u-turn, avoids safety problem.
Specific embodiments of the present invention are described in detail above, but the present invention is not restricted to tool described above
Body embodiment, it is merely an example.To those skilled in the art, any equivalent modifications and substitution are also all in the present invention
Scope among.Therefore, made equal transformation and modification without departing from the spirit and scope of the invention, should all cover
In the scope of the present invention.
Claims (10)
1. a kind of u turn overpass structure, including main roads, secondary road；There are cross knots with secondary road for main roads
Structure；The main roads and secondary road are all not provided with left turn lane；In the intersection construction, main roads are located at secondary road
Top；The main roads are equipped with bidirectional turn lane.
2. u turn overpass structure according to claim 1, it is characterised in that: the main roads and secondary road are all set
Set right-turn lane.
3. u turn overpass structure according to claim 2, it is characterised in that: in the intersection construction, right-turn lane is circle
Road structure.
4. u turn overpass structure according to claim 1, it is characterised in that: on main roads, reverse end for end the switch area in lane
Length apart from intersection construction is 130~170 meters.
5. u turn overpass structure according to claim 1, it is characterised in that: the secondary road is equipped with bidirectional turn vehicle
Road, on secondary road, reversing end for end length of the switch area in lane apart from intersection construction is 130~170 meters.
6. u turn overpass structure according to claim 1, it is characterised in that: on main roads, reverse end for end the switch area in lane
Equipped with elevating lever.
7. u turn overpass structure according to claim 1, it is characterised in that: the intersection construction is equipped with wagon flow statistics dress
It sets.
8. u turn overpass structure according to claim 1, it is characterised in that: the main roads are equipped with isolation strip.
9. u turn overpass structure according to claim 1, it is characterised in that: on main roads, reverse end for end the switch area in lane
Equipped with pressure sensitive lamp.
10. u turn overpass structure according to claim 1, it is characterised in that: on main roads, reverse end for end the u-turn in lane
Place is not provided with right of way signal lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910369035.5A CN110306392A (en) | 2019-05-05 | 2019-05-05 | U turn overpass structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910369035.5A CN110306392A (en) | 2019-05-05 | 2019-05-05 | U turn overpass structure |
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| Publication Number | Publication Date |
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| CN110306392A true CN110306392A (en) | 2019-10-08 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545233A (en) * | 2008-03-27 | 2009-09-30 | 周智昂 | Traffic light-free viaduct for three-way intersection |
| WO2010064834A2 (en) * | 2008-12-05 | 2010-06-10 | Chi Hong Yeo | A nonstop traffic system using half (1/2) cloverleaf and traffic method applied with the same |
| CN202187259U (en) * | 2011-02-01 | 2012-04-11 | 张书锋 | Intersection without traffic lights |
| CN102637372A (en) * | 2012-04-10 | 2012-08-15 | 张佳俊 | Intelligent signal measuring and controlling system of vehicle |
| CN103590292A (en) * | 2013-11-29 | 2014-02-19 | 郑勤民 | Unblocked overpass at intersection |
| CN204417942U (en) * | 2015-01-20 | 2015-06-24 | 吕雅南 | The two arch bridge of a kind of overhead pedestrian crossing and crossroad |
| CN105844924A (en) * | 2016-04-22 | 2016-08-10 | 深圳美亚美科技有限公司 | Intelligent traffic road management method and system |
-
2019
- 2019-05-05 CN CN201910369035.5A patent/CN110306392A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545233A (en) * | 2008-03-27 | 2009-09-30 | 周智昂 | Traffic light-free viaduct for three-way intersection |
| WO2010064834A2 (en) * | 2008-12-05 | 2010-06-10 | Chi Hong Yeo | A nonstop traffic system using half (1/2) cloverleaf and traffic method applied with the same |
| CN202187259U (en) * | 2011-02-01 | 2012-04-11 | 张书锋 | Intersection without traffic lights |
| CN102637372A (en) * | 2012-04-10 | 2012-08-15 | 张佳俊 | Intelligent signal measuring and controlling system of vehicle |
| CN103590292A (en) * | 2013-11-29 | 2014-02-19 | 郑勤民 | Unblocked overpass at intersection |
| CN204417942U (en) * | 2015-01-20 | 2015-06-24 | 吕雅南 | The two arch bridge of a kind of overhead pedestrian crossing and crossroad |
| CN105844924A (en) * | 2016-04-22 | 2016-08-10 | 深圳美亚美科技有限公司 | Intelligent traffic road management method and system |
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