CN208884289U - A kind of T-shaped intersection overpass structure - Google Patents
A kind of T-shaped intersection overpass structure Download PDFInfo
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- CN208884289U CN208884289U CN201821029696.0U CN201821029696U CN208884289U CN 208884289 U CN208884289 U CN 208884289U CN 201821029696 U CN201821029696 U CN 201821029696U CN 208884289 U CN208884289 U CN 208884289U
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Abstract
The utility model discloses a kind of T-shaped intersection overpass structures, including belt road, longitudinal road, the first ramp bridge of protuberance and the second ramp bridge of protuberance.First ramp bridge is located at the left side of T-shaped intersection, and extending direction is identical as belt road and is two-way lane, and forms first thereunder and turn around mouth.Second ramp bridge forms entrance and exit in the upper driveway of the right driveway of longitudinal road and belt road respectively, and the lower section of the second ramp bridge, which is located on longitudinal road, to be formed second and turn around mouth.The plane projection of first ramp bridge and the second ramp bridge only takes up the part lane of road.This T-shaped intersection overpass structure, without extension traffic safety engineering in the case where reduce requirement of the T-shaped intersection complete intercommunicating overpass to headroom, meet the current overwhelming majority limit the use of ground, limit headroom road reformation demand.Overpass can also be added, the full intercommunication of Pedestrians and vehicles is realized.This utility model is used for road reformation field.
Description
Technical field
The utility model relates to road reformation fields, more particularly to a kind of T-shaped intersection overpass structure.
Background technique
Complete intercommunicating overpass is set in the T-shaped intersection of urban road, compared to half interchange and signal-controlled intersection, entirely
Interchange, which can provide, a kind of realizes that turning function does not have substantially without detouring, need not be limited by traffic lights in node
Having time delay.In transformation project, the restrictive condition of urban road be it is more, limitation be mainly derived from two o'clock: plane
Land used and vertical clearance.A possibility that land used range of urban road does not extend to the outside substantially, usually within the scope of road
It is arranged along the longitudinal bridge of road or tunnel, is not provided with the condition of reversing loop.And when needing to add grade separation, generally
Cannot be very limited beyond existing road range, or the range exceeded, this also becomes the bottleneck of interchange.
The design of Interchanges in Cities transformation project is also limited by vertical clearance, for the urban road being open to traffic
Roadbed section, is many times highway or the overpass of other urban roads thereon, overpass area rear, the two it is vertical
Headroom relationship can not be coordinated very well.For the consideration of environment influence, economic factor etc., most of situation is overpass to ground
Headroom is less than two layers of setting of height, has plenty of one layer of height, has plenty of the height larger than one layer.And most of intercommunications
Grade separation form realizes the steering of multiple directions, needs the headroom of multilayer.Furthermore the underground utilities of urban road are more, Er Qieyi
Have the presence of overpass so that using tunnel solve turn to communication function, it is relatively difficult, especially project investment also simultaneously by
In limited time.Especially inner city the considerations of for various aspects such as landscape, vibration, noise, the demand of nearby residents, investments, will use up
Amount reduces the scale of grade separation.
Utility model content
The purpose of this utility model is to provide a kind of T-shaped friendships for not expanding land used, small, the full intercommunication of Clearance requirement outward
Prong overpass structure.
Technical solution adopted in the utility model is: a kind of T-shaped intersection overpass structure, including belt road, longitudinal direction
Second ramp bridge of road, the first ramp bridge of protuberance and protuberance, belt road side and longitudinal road are crossed to form T-shaped friendship
Prong, belt road include upper driveway and lower driveway, and longitudinal road includes left driveway and right driveway, the first ramp bridge
Extending direction it is identical as belt road, the first ramp bridge is located among belt road and for two-way lane, and the second ramp bridge is
Unidirectional lane simultaneously connects belt road and longitudinal road, and the first ramp bridge sequentially forms first port, first on belt road
Turn around mouth and second port, and first port and second port are respectively positioned on the left side of longitudinal road, and the second ramp bridge is respectively in longitudinal direction
The right driveway of road and the upper driveway of belt road form entrance and exit, and the lower section of the second ramp bridge is located at longitudinal road
Upper to form second and turn around mouth, the plane projection of the first ramp bridge and the second ramp bridge occupies garage on the part of belt road jointly
Road, the plane projection of the second ramp bridge occupy the right driveway in part of longitudinal road.
As an improvement of the above scheme, the first ramp bridge does not intersect with the plane projection of the second ramp bridge.
As an improvement of the above scheme, at least there are a lanes between the first ramp bridge and the outlet of the second ramp bridge.
As an improvement of the above scheme, the outlet of the second ramp bridge is located at first and turns around between mouth and T-shaped intersection.
As an improvement of the above scheme, first turn around mouth at a distance from T-shaped intersection for 300 meters, and be located at the first ring road
Middle position under bridge.
As an improvement of the above scheme, mouthful headroom that turns around under the second ramp bridge is 3 meters.
As an improvement of the above scheme, including overpass, overpass is across longitudinal road and branch is connected to transverse direction
The opposite side of road.
As an improvement of the above scheme, greenbelt is equipped at the second ramp bridge lower section, greenbelt is located on longitudinal road.
As an improvement of the above scheme, overpass passes through the second ramp bridge and across greenbelt.
The utility model has the beneficial effects that this kept straight on by the disjoint left rotaring ring road bridge of plane projection and one
Ramp bridge forms a kind of full intercommunication T-shaped intersection overpass structure of single layer, also substantially increases current effect without setting lamp control
Rate reduce requirement of the T-shaped intersection complete intercommunicating overpass to headroom in the case where that need not extend traffic safety engineering, meet current
The overwhelming majority limits the use of the road reformation demand on ground, limit headroom；And also correspondingly it is provided with the overpass across longitudinal road
Part is afforested across left rotaring ring road bridge bottom, then improves headroom utilization rate across belt road by its bifurcated, realizes pedestrian's vehicle
The completely new full intercommunication T-shaped intersection overpass structure of one kind of full intercommunication.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the stereoscopic schematic diagram of the T-shaped intersection overpass structure；
Fig. 2 is the top view of the T-shaped intersection overpass structure.
Specific embodiment
Referring to Figures 1 and 2, the utility model is a kind of T-shaped intersection overpass structure, including belt road 1, Zong Xiangdao
Road 2, the first ramp bridge 3 swelled and the second ramp bridge 4 swelled.Belt road 1 and longitudinal road 2 include two-way lane,
Belt road 1 is generally main stem road, and side connects longitudinal road 2 and is crossed to form T-shaped intersection.Belt road 1 includes getting on the bus
Trade 11 and lower driveway 12, longitudinal road 2 include left driveway 21 and right driveway 22, upper driveway 11, lower driveway 12,
Left driveway 21 and right driveway 22 do not represent direction of traffic, are intended merely to facilitate description, generation claims same on its same road
A series of lanes in direction.From attached drawing, the 1 unidirectional lane in top of belt road is upper driveway 11, belt road 1
The unidirectional lane in lower section is lower driveway 12；The unidirectional lane in longitudinal 2 left of road is left driveway 21, Zong Xiangdao
The unidirectional lane in 2 right of road is right driveway 22.
The extending direction of first ramp bridge 3 is identical as belt road 1, is located among belt road 1 and is two-way garage.The
One ramp bridge 3 is formed on belt road 1 to be sequentially formed first port 31, first turns around mouth 32 and second port 33, and entire
One ramp bridge 3 is located at the left side after T-shaped is intersected.Second ramp bridge 4 is unidirectional lane, connection belt road 1 and longitudinal road 2.
Second ramp bridge 4 forms entrance 43 and outlet in the upper driveway 11 of the right driveway 22 of longitudinal road 2 and belt road 1 respectively
41, the lower section of the second ramp bridge 4, which is located on longitudinal road 2, to be formed second and turns around mouth 42.First ramp bridge 3 and the second ramp bridge 4
Plane projection occupy driveway 11 on the part of belt road 1 jointly, the plane projection of the second ramp bridge 4 occupies longitudinal road
The right driveway 22 in 2 part.First ramp bridge 3 and the second ramp bridge 4 only connect the portion on belt road 1 and longitudinal road 2
Divided lane, the lane being not take up continue to play former track direction effect.
It on belt road 1 and is not wanted there are when lane between the first ramp bridge 3 and the outlet 41 of the second ramp bridge 4
Enter first mouth 32 that turns around under the bridge that the vehicle for turning left to enter longitudinal road 2 passes through the second ramp bridge 4 to enter and turn around, fourth is arrived in straight trip
Word intersection, which is turned right, enters longitudinal road 2.It at this time only needs the outlet 41 for guaranteeing the second ramp bridge 4 to be located at first to turn around mouth 32
Between second port 33.And when there are one or more of vehicles between the first ramp bridge 3 and the outlet 41 of the second ramp bridge 4
When road, the vehicle that belt road 1 will turn left to enter longitudinal road 2 is introduced into the lane just in advance can enter eventually into longitudinal road 2
In, it at this time only needs the outlet 41 by the second ramp bridge 4 to be arranged in first and turns around between mouth 32 and T-shaped intersection.
As preferred embodiment, the first ramp bridge 3 does not intersect with the plane projection of the second ramp bridge 4.First circle
4 interlaced arrangement of bridge 3 and the second ramp bridge, can smoothly implement in the case where one layer of headroom, and not need extension road surface.
In the present embodiment, on belt road 1 originally just be equipped with overpass or highway, belt road 1 with originally set
Only have one layer of clear height to allow between some overpass or highway, and belt road 1 and longitudinal road 2 are all difficult to outward
It is very limited to expand the distance expanded outwardly in other words.In the present embodiment, the upper driveway 11 of belt road 1 and lower driveway 12
Include four lanes, puts in order from top to bottom.The left driveway 21 and right driveway 22 of longitudinal road 2 include three vehicles
Road puts in order by left-to-right.First ramp bridge 3 and the second ramp bridge 4 are set on belt road 1 and longitudinal road 2.
The body of a bridge of first ramp bridge 3 is postponed the direction of belt road 1, and the first ramp bridge 3 includes two lanes, and occupancy is got on the bus
First lane in the Article 4 lane on trade 11 and lower driveway 12.First ramp bridge 3 is fully located at a left side for T-shaped intersection
Side, and setting first is turned around mouth 32 among the bridge bottom of the first ramp bridge 3, first mouth 32 that turns around are located at 300 meters of T-shaped road junction left side
Place.First turns around mouth 32 can be for the vehicle on trade 11 of getting on the bus, the vehicle of lower driveway 12 and vehicle from the second ramp bridge 4
It turns around.Second ramp bridge 4 be unidirectional left rotaring ring road bridge, connect right driveway 22 first lane and upper driveway 11 second
Lane.The junction in the second ramp bridge 4 and first lane of right driveway 22 is entrance 43, which hands over apart from T-shaped
Prong has certain distance, convenient under its bridge setting second turn around mouth 42.Second mouth 42 that turns around is connected to left driveway 21 and right vehicle
Trade 22 is located under the second ramp bridge 4, and mouthful headroom that turns around is 3 meters.It is located under the second ramp bridge 4 on longitudinal road 2, in addition to
Second turns around outside mouth 42, and rest part can arrange greenbelt.The Article 2 lane of driveway 11 forms outlet on second ramp bridge 4
41, outlet 41 is located at the first right side for turning around mouth 32, can be turned around by this by the vehicle that the second ramp bridge 4 outlet 41 comes out
Mouthful.
T-shaped intersection is provided with overpass 5, overpass 5 is across longitudinal road 2 and branch is connected to lateral road
The opposite side on road 1.Overpass 5 reduces height in greening band part when across longitudinal road 2, so that wearing the under overpass 5
Two ramp bridges 4, the under-clearance of the second ramp bridge 4 meet 2.5 meters of pedestrian's headroom.And under overpass 5 it is greenbelt, under bridge
There is no limit for headroom.5 branch of overpass is by middle part bifurcated across longitudinal road 2.Due to the overpass across longitudinal road 2
The height of 5 branches is higher than across longitudinal 2 part of road, and the two notices that the gradient for controlling overpass 5 meets specification and wants when being connected
It asks.
Left-hand rotation of longitudinal road 2 in T-shaped intersection realizes that vehicle enters right driveway 22 by the second ramp bridge 4
First lane enters the first ramp bridge 3 by entrance 43, outlet 41 is driven to along the second ramp bridge 4, into belt road 1
In the Article 2 lane of upper driveway 11.The right-hand rotation of longitudinal road 2 realizes that vehicle is on the right side by the direct right-hand rotation in T-shaped road junction
Second or Article 3 lane of driveway 22 arrive at T-shaped intersection and directly turn right.The vehicle of the lower driveway 12 of belt road 1
It directly turns right in T-shaped intersection and enters longitudinal road 2.The vehicle of driveway 11 is introduced into driveway 11 on belt road 1
Article 4 lane, then first turn around mouth 32 turn around to enter under in driveway 12, then reach T-shaped intersection and turn right, by
This realizes that belt road 1 turns left and enters in longitudinal road 2.Reach the full intercommunication of intersection grade separation in this way.
When carrying out road reformation, overpass 5 is generally first built, then builds the second ramp bridge 4, then carry out the first circle
The construction of bridge 3, last repairing road open to traffic.Pay attention to being arranged according to the requirement of head room in process of construction,
And the bridge pier and surrounding buildings of status overpass are avoided in appropriate adjustment position.
Certainly, the design creation is not limited to above embodiment, and the combination of the various embodiments described above different characteristic can also
To reach good effect.Those skilled in the art can also make without departing from the spirit of the present invention
It is all included in the scope defined by the claims of the present application with deformation or replacement, these equivalent variation or replacement.
Claims (8)
1. a kind of T-shaped intersection overpass structure, it is characterised in that: including belt road (1), longitudinal road (2), protuberance the
The second ramp bridge (4) of one ramp bridge (3) and protuberance, belt road (1) side and longitudinal road (2) are crossed to form T-shaped
Intersection, the belt road (1) include upper driveway (11) and lower driveway (12), and the longitudinal direction road (2) includes left vehicle
Trade (21) and right driveway (22), the extending direction of the first ramp bridge (3) is identical as belt road (1), the first ramp bridge (3)
It among belt road (1) and is two-way lane, the second ramp bridge (4) is unidirectional lane and connects belt road (1) and vertical
To road (2), the first ramp bridge (3) sequentially forms first port (31) on belt road (1), first turns around mouth (32) and
Two-port netwerk (33), first port (31) and second port (33) are respectively positioned on the left side of longitudinal road (2), the second ramp bridge (4) point
Entrance (43) are not formed in the upper driveway (11) of the right driveway (22) of longitudinal road (2) and belt road (1) and are exported
(41), the lower section of the second ramp bridge (4), which is located at, forms second on longitudinal road (2) and turns around mouth (42), the first ramp bridge (3) and the
The plane projection of two ramp bridges (4) occupies driveway (11) on the part of belt road (1) jointly, and the second ramp bridge (4) is put down
Face projection occupies the right driveway in part (22) of longitudinal road (2), and first ramp bridge (3) is flat with the second ramp bridge (4)
Face projection is not intersected.
2. T-shaped intersection according to claim 1 overpass structure, it is characterised in that: first ramp bridge (3) and the
At least there are a lanes between the outlet (41) of two ramp bridges (4).
3. T-shaped intersection according to claim 2 overpass structure, it is characterised in that: second ramp bridge (3) goes out
Mouth (41) is located at first and turns around between mouth (32) and T-shaped intersection.
4. T-shaped intersection according to claim 3 overpass structure, it is characterised in that: described first turns around mouth (32) and fourth
The distance of word intersection is 300 meters, and the middle position being located under the first ramp bridge (3).
5. T-shaped intersection according to claim 4 overpass structure, it is characterised in that: described second turns around the net of mouth (42)
Sky is 3 meters.
6. T-shaped intersection according to any one of claims 1 to 5 overpass structure, it is characterised in that: including people's row day
Bridge (5), the overpass (5) is across longitudinal road (2) and branch is connected to the opposite side of belt road (1).
7. T-shaped intersection according to claim 6 overpass structure, it is characterised in that: under second ramp bridge (4)
Side is equipped with greenbelt, and the greenbelt is located on longitudinal road (2).
8. T-shaped intersection according to claim 7 overpass structure, it is characterised in that: the overpass (5) passes through the
Two ramp bridges (4) and across greenbelt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821029696.0U CN208884289U (en) | 2018-06-29 | 2018-06-29 | A kind of T-shaped intersection overpass structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821029696.0U CN208884289U (en) | 2018-06-29 | 2018-06-29 | A kind of T-shaped intersection overpass structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208884289U true CN208884289U (en) | 2019-05-21 |
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ID=66506099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821029696.0U Active CN208884289U (en) | 2018-06-29 | 2018-06-29 | A kind of T-shaped intersection overpass structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208884289U (en) |
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2018
- 2018-06-29 CN CN201821029696.0U patent/CN208884289U/en active Active
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