CN102108660A - T-shaped intersection - Google Patents
T-shaped intersection Download PDFInfo
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- CN102108660A CN102108660A CN 201110001550 CN201110001550A CN102108660A CN 102108660 A CN102108660 A CN 102108660A CN 201110001550 CN201110001550 CN 201110001550 CN 201110001550 A CN201110001550 A CN 201110001550A CN 102108660 A CN102108660 A CN 102108660A
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- main trunk
- trunk road
- less important
- arterial highway
- road
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Abstract
The invention discloses an intersection, and in particular relates to a T-shaped intersection, which comprises a half-range separated overpass, wherein the half-range separated overpass is arranged on a straight lane of a main trunk road close to one side of a secondary trunk road, and has the direction same as the straight direction of the main trunk road. The invention provides a T-shaped intersection which is low in manufacturing cost and high in traffic capacity, and the traffic of the T-shaped intersection is controlled by two phases.
Description
Technical field
The present invention relates to a kind of intersection, relate in particular to a kind of T-junction mouth.
Background technology
Existing T-junction mouth is made up of main trunk road (or claiming main road) and less important arterial highway (or claiming branch road) that primary and secondary intersects as Figure 1-3, and this T-junction mouth is also referred to as plane T-junction mouth.T-junction mouth general three traffic phase places that adopt in plane respectively as Fig. 1, Fig. 2, shown in Figure 3 more.
Phase place shown in Figure 1, allow the two-way craspedodrome of right and left wagon flow, left wagon flow on the main trunk road turn right and less important arterial highway on wagon flow turn right, but forbid that wagon flow on the less important arterial highway is turned left and main trunk road on right-hand wagon flow turn left.Phase place shown in Figure 2 allows the wagon flow on the left wagon flow right-hand bend on the main trunk road, the left-hand bend of right-hand wagon flow and the less important arterial highway to turn right, but forbids two-way craspedodrome of right and left wagon flow and the left-hand bend of the wagon flow on the less important arterial highway on the main trunk road.Phase place shown in Figure 3, left wagon flow right-hand bend on the permission main trunk road and the wagon flow on the less important arterial highway are turned left, are turned right, but forbid two-way craspedodrome of right and left wagon flow and the left-hand bend of right-hand wagon flow on the main trunk road.
Certainly, shown in above-mentioned Fig. 1-3 is three traffic phase diagrams of plane T-junction mouth of the country of vehicle right lateral, and three traffic phase diagrams at the plane T-junction mouth of the country of vehicle left lateral just in time are mirror image with Fig. 1-3.
Shown in Fig. 2,3, because the two-way craspedodrome of right and left wagon flow on the main trunk road is subjected to the wagon flow on right-hand wagon flow left-hand bend of main trunk road and the less important arterial highway to turn left to influence, need the queuing of stopping, the traffic capacity that causes main trunk road only is half of highway section, one-period (about 120s) intersection delay causes the plane T-junction mouth traffic capacity low generally at 30～50s.
In order to solve the low problem of the plane T-junction mouth traffic capacity, generally at T-junction mouth construction craspedodrome direction full width grade separation without ramps, as full width bridge crossing or tunnel.Adopt this form that the two-way craspedodrome of right and left wagon flow on the main trunk road is separated with turning to of wagon flow on main trunk road, the less important arterial highway, full width bridge crossing or the genuine two-way craspedodrome function of bearing the right and left wagon flow, intersection, ground are born the communication function that turns to of wagon flow on main trunk road, the less important arterial highway.
Publication number is CN101255674A, and open day is the Chinese invention patent Shen Qing Publication manual on September 3rd, 2008, has disclosed a kind of method that runs of road junction without block and road structure.This patent application promptly is to adopt the technical scheme of full width bridge crossing to solve the low problem of the T-junction mouth traffic capacity.
At T-junction mouth construction craspedodrome direction full width grade separation without ramps, improved the traffic capacity of T-junction mouth really, but cost is too high.As two-way Four-Lane Road tunnel (with open section 150m, secretly the section of burying 50m calculates), present cost is about 7,500 ten thousand yuans.
Therefore, those skilled in the art is devoted to develop a kind of cheap, T-junction mouth that the traffic capacity is high.
Summary of the invention
Because the above-mentioned defective of prior art, technical problem to be solved by this invention provides a kind of cheap, T-junction mouth that the traffic capacity is high.
For achieving the above object, the invention provides a kind of T-junction mouth, comprise main trunk road and less important arterial highway, described less important arterial highway is gone into described main trunk road at a side joint of described main trunk road and is formed the intersection, ground; Described T-junction mouth also comprises the half range grade separation without ramps; Described half range grade separation without ramps is arranged on the direct lane place of described main trunk road near a side of described less important arterial highway, towards identical with the craspedodrome direction of described main trunk road.
T-junction mouth of the present invention, because be provided with the half range grade separation without ramps, the craspedodrome wagon flow of one of them direction on the main trunk road can be passed through to pass through the T-junction mouth away from the direct lane of a side of described less important arterial highway, another rightabout craspedodrome wagon flow can be by described half range grade separation without ramps by the T-junction mouth on the main trunk road, and the intersection, ground of T-junction mouth is born wagon flow and turned to function.The wagon flow that can guarantee two craspedodrome directions on the main trunk road like this all can not stopped by the T-junction mouth.Like this, the traffic efficiency of T-junction mouth of the present invention improves 70% than existing plane T-junction mouth.T-junction mouth of the present invention, abandon the full width grade separation without ramps that can two-wayly be open to traffic, adopt the unidirectional half range grade separation without ramps that is open to traffic, the half range grade separation without ramps is with respect to the full width grade separation without ramps, has only unidirectional track, therefore width has the full width grade separation without ramps of two-way lane to dwindle half, and cost reduces about 40%.
Half range grade separation without ramps of the present invention is half range separate type bridge crossing or half range tunnel.
It is fast for bogie car is flow to end by the T-junction mouth, further improve traffic efficiency, country at the vehicle right lateral, a preferred version of the present invention is that it is the canalization road that described less important arterial highway turns to the left steering track of described main trunk road, described main trunk road to turn to the part of left steering track in intersection, described ground of described less important arterial highway.Country at the vehicle left lateral, a preferred version of the present invention is that it is the canalization road that described less important arterial highway turns to the right turn track of described main trunk road, described main trunk road to turn to the part of right turn track in intersection, described ground of described less important arterial highway.Can make left turn traffic or right-hand rotation wagon flow go deep into the intersection like this, shorten current distance, improve traffic efficiency in the intersection, ground.When described half range grade separation without ramps was the half range tunnel, these two preferred versions also helped to shorten the tunnel and secretly bury segment length, further reduce construction costs.
Pedestrian and bicycle pass through for convenience, and T-junction mouth of the present invention also comprises overpass, and the two ends of described overpass connect the both sides of described main trunk road respectively.The tunnel, street can certainly be set pass through for pedestrian and bicycle, described two outlets of crossing the tunnel, street connect the both sides of described main trunk road respectively.
Preferably, T-junction mouth of the present invention, wherein said main trunk road is the main trunk road that two-way lane is arranged, and described less important arterial highway is the less important arterial highway that two-way lane is arranged, and described half range grade separation without ramps is arranged on the unidirectional track place of described main trunk road near a side of described less important arterial highway.Further, T-junction mouth of the present invention, wherein said main trunk road are the main trunk roads that has two-way Four-Lane Road at least.
Be described further below with reference to the technique effect of accompanying drawing, so that those of ordinary skill in the art understands purpose of the present invention, feature and effect fully design of the present invention, concrete structure and generation.
Description of drawings
Fig. 1 is first traffic phase place of plane T-junction mouth;
Fig. 2 is second traffic phase place of plane T-junction mouth;
Fig. 3 is the 3rd a traffic phase place of plane T-junction mouth;
Fig. 4 is the structural representation of a preferred embodiment of T-junction mouth of the present invention;
Fig. 5 is the structural representation of another preferred embodiment of T-junction mouth of the present invention;
Fig. 6 is first traffic phase place of T-junction mouth of the present invention;
Fig. 7 is second traffic phase place of T-junction mouth of the present invention.
The specific embodiment
Shown in Fig. 4,5.A kind of T-junction mouth comprises main trunk road 1, less important arterial highway 2, half range grade separation without ramps 3.Main trunk road 1 is the main trunk road that two-way lane is arranged, and the main trunk road 1 among Fig. 4,5 is the main trunk road 1 that two-way Four-Lane Road is arranged.Less important arterial highway 2 is less important arterial highways that two-way lane is arranged, and less important arterial highway 2 is gone into main arterial highway 1 at a side joint of main trunk road 1 and formed the intersection, ground.Half range grade separation without ramps 3 is arranged on direct lane 11 places of main trunk road 1 near a side of less important arterial highway 2, and particularly half range grade separation without ramps 3 is arranged on the unidirectional track place of main trunk road 1 near a side of less important arterial highway 2.Half range grade separation without ramps 3 towards identical with the craspedodrome direction of main trunk road 1.Half range grade separation without ramps 3 is half range separate type bridge crossing or half range tunnel.Half range grade separation without ramps 3 shown in Fig. 4 is half range tunnels.Half range formula grade separation without ramps 3 shown in Fig. 5 is half range separate type bridge crossings.The half range tunnel comprises the open section and the section of burying secretly.Implement the present invention in the country of vehicle right lateral, then shown in Fig. 4,5, it is the canalization road that less important arterial highway turns to the left steering track 21 of main trunk road and the part of left steering track 12 in the intersection, ground that main trunk road turns to less important arterial highway.If implement the present invention in the country of vehicle left lateral, it is canalization road (not shown) that then less important arterial highway turns to the right turn track of main trunk road and the part of right turn track in the intersection, ground that main trunk road turns to less important arterial highway.The T-junction mouth of this specific embodiment also is provided with overpass 4, and the two ends of overpass 4 connect the both sides of main trunk road 1 respectively.
The traffic control system of T-junction mouth and T-junction mouth are supporting, comprise traffic lights and traffic signals lamp control device, traffic lights are connected with the traffic signals lamp control device, and concrete connected mode is well-known to those skilled in the art, will not give unnecessary details in present specification.
The present invention is implemented in country at the vehicle right lateral, and the traffic lights of the traffic control system of T-junction mouth comprise the first left-hand rotation direction instruction signal lamp and the second left-hand rotation direction instruction signal lamp.The first left-hand rotation direction instruction signal lamp is arranged on the intersection, ground, towards the left steering track that turns to less important arterial highway 2 from main trunk road 1, is used to control left turn traffic current and forbidden that turns to less important arterial highway 2 from main trunk road 1.The second left-hand rotation direction instruction signal lamp is arranged on the intersection, ground, towards the left steering track that turns to main trunk road 1 from less important arterial highway 2, is used to control the current and forbidden of the left turn traffic that turns to main trunk road 1 from less important arterial highway 2.The traffic lights of the traffic control system of T-junction mouth, the lane signal lamp, control that can also comprise the wagon flow on the two-way direct lane of controlling main trunk road 1 turns to the right-hand rotation direction instruction signal lamp of the wagon flow on the right turn track of less important arterial highway 2, the right-hand rotation directional signal light of wagon flow on control turns to main trunk road 1 from less important arterial highway 2 the right turn track from main trunk road 1, also can not comprise these signal lamps.The method to set up of traffic lights is ordinary skill in the art, will not give unnecessary details in present specification.
The traffic control method of the T-junction mouth of implementing in the country of vehicle right lateral may further comprise the steps:
a
1), by the traffic signals lamp control device, send the forbidden instruction of demonstration to the first left-hand rotation direction instruction signal lamp, send the current instruction of demonstration to the second left-hand rotation direction instruction signal lamp simultaneously, and keep demonstration a period of time h of the first left-hand rotation direction instruction signal lamp and the second left-hand rotation direction instruction signal lamp
1, h
1Preferable span be 15～50s;
a
2), by the traffic signals lamp control device, send the current instruction of demonstration to the first left-hand rotation direction instruction signal lamp, send the forbidden instruction of demonstration to the second left-hand rotation direction instruction signal lamp simultaneously, and keep demonstration a period of time h of the first left-hand rotation direction instruction signal lamp and the second left-hand rotation direction instruction signal lamp
2, h
2Preferable span be 15～50s;
a
3), repeat step a
1), step a
2).
Traffic lights when the traffic control system of T-junction mouth, when the lane signal lamp, control that comprises the wagon flow on the two-way direct lane of controlling main trunk road 1 turns to the wagon flow on the right turn track of less important arterial highway 2 from main trunk road 1 right-hand rotation direction instruction signal lamp, control turns to the right-hand rotation direction instruction signal lamp of the wagon flow on the right turn track of main trunk road 1 from less important arterial highway 2, no matter at step a
1) or step a
2), all pass through the traffic signals lamp control device, the right-hand rotation direction instruction signal lamp of the wagon flow on the right-hand rotation direction instruction signal lamp of the wagon flow on the lane signal lamp of the wagon flow on the two-way direct lane of control main trunk road 1, control turns to less important arterial highway 2 from main trunk road 1 the right turn track, control turns to main trunk road 1 from less important arterial highway 2 right turn track sends and shows current instruction.
The present invention is implemented in country at the vehicle right lateral, because T-junction mouth of the present invention, direct lane in main trunk road 1 close less important arterial highway 2 one sides is provided with half range tunnel or half range separate type bridge crossing, the straight-going traffic of main trunk road 1 and the left turn traffic that turns to less important arterial highway 2 from main trunk road 1 have been eliminated, turn to the conflict point of the left turn traffic of main trunk road 2 from less important arterial highway 1, can realize traffic thus with the T-junction mouth of two these specific embodiment of traffic phase controlling, not trusted control of main flow direction straight-going traffic (being the two-way straight-going traffic of main trunk road) can not stopped by the T-junction mouth.As shown in Figure 6, in first phase place, allow the left wagon flow on the main trunk road 1 to keep straight on to the right by half range grade separation without ramps (not shown among Fig. 6), left wagon flow on the permission main trunk road 1 bends to right and drives towards less important arterial highway 2, allow wagon flow on the less important arterial highway 2 to turn left and drive towards main trunk road 1, allow wagon flow on the less important arterial highway 2 to bend to right and drive towards main trunk road 1, allow the right-hand wagon flow on the main trunk road 1 to keep straight on forward, drive towards less important arterial highway 2 but forbid that right-hand wagon flow 1 on the main trunk road 1 is turned left by main trunk road 1 track.As shown in Figure 7, in second phase place, allow the left wagon flow on the main trunk road 1 to keep straight on to the right by half range grade separation without ramps (not shown among Fig. 7), left wagon flow on the permission main trunk road 1 bends to right and drives towards less important arterial highway 2, allow wagon flow on the less important arterial highway 2 to bend to right and drive towards main trunk road 1, allow the right-hand wagon flow on the main trunk road 1 to keep straight on forward by main trunk road 1 track, allow right-hand wagon flow on the main trunk road 1 to turn left and drive towards less important arterial highway 2, drive towards main trunk road 1 but forbid that wagon flow on the less important arterial highway 2 is turned left.
Certainly, the step a in the using method of the traffic control system of the T-junction mouth of implementing in the country of vehicle right lateral
1), step a
2) can change, can realize the traffic of the T-junction mouth of two these specific embodiment of traffic phase controlling equally.
The present invention is implemented in country at the vehicle left lateral, and the traffic signals of the traffic control system of T-junction mouth of the present invention comprise the first right-hand rotation direction instruction signal lamp and the second right-hand rotation direction instruction signal lamp.The first right-hand rotation direction instruction signal lamp is arranged on the intersection, ground, towards the right turn track that turns to less important arterial highway from main trunk road, is used to control right-hand rotation wagon flow current and forbidden that turns to less important arterial highway from main trunk road.The second right-hand rotation direction instruction signal lamp is arranged on the intersection, ground, towards the right turn track that turns to main trunk road from less important arterial highway, is used to control the current and forbidden of the right-hand rotation wagon flow that turns to main trunk road from less important arterial highway.The traffic lights of the traffic control system of T-junction mouth of the present invention, the lane signal lamp, control that can also comprise the wagon flow on the two-way direct lane of controlling main trunk road turns to the left-hand rotation direction instruction signal lamp of the wagon flow on the left steering track of less important arterial highway, the left-hand rotation directional signal light of wagon flow on control turns to main trunk road from less important arterial highway the left steering track from main trunk road, also can not comprise these signal lamps.The method to set up of traffic lights is ordinary skill in the art, will not give unnecessary details in present specification.
The using method of the traffic control system of the T-junction mouth of implementing in the country of vehicle left lateral may further comprise the steps:
b
1), by the traffic signals lamp control device, send the forbidden instruction of demonstration to the first right-hand rotation direction instruction signal lamp, send the current instruction of demonstration to the second right-hand rotation direction instruction signal lamp simultaneously, and keep demonstration a period of time h of the first right-hand rotation direction instruction signal lamp and the second right-hand rotation direction instruction signal lamp
3, h
3Preferable span be 15～50s;
b
2), by the traffic signals lamp control device, send the current instruction of demonstration to the first right-hand rotation direction instruction signal lamp, send the forbidden instruction of demonstration to the second right-hand rotation direction instruction signal lamp simultaneously, and keep demonstration a period of time h of the first right-hand rotation direction instruction signal lamp and the second right-hand rotation direction instruction signal lamp
4, h
4Preferable span be 15～50s;
b
3), repeat step b
1), step b
2).
Traffic lights when the traffic control system of T-junction mouth, when the lane signal lamp, control that comprises the wagon flow on the two-way direct lane of controlling main trunk road turns to the wagon flow on the left steering track of less important arterial highway from main trunk road left-hand rotation direction instruction signal lamp, control turns to the left-hand rotation direction instruction signal lamp of the wagon flow on the left steering track of main trunk road from less important arterial highway, no matter at step b
1) or step b
2), all pass through the traffic signals lamp control device, the left-hand rotation direction instruction signal lamp of the wagon flow on the left-hand rotation direction instruction signal lamp of the wagon flow on the lane signal lamp of the wagon flow on the two-way direct lane of control main trunk road, control turns to less important arterial highway from main trunk road the left steering track, control turns to main trunk road from less important arterial highway left steering track sends and shows current instruction.
The present invention is implemented in country at the vehicle left lateral, because T-junction mouth of the present invention, direct lane in the close less important arterial highway of main trunk road one side is provided with half range tunnel or half range separate type bridge crossing, the straight-going traffic of main trunk road and the right-hand rotation traffic that turns to less important arterial highway from main trunk road have been eliminated, turn to the conflict point of the right-hand rotation traffic of main trunk road from less important arterial highway, can realize traffic thus with the T-junction mouth of two these specific embodiment of traffic phase controlling, not trusted control of main flow direction straight-going traffic (being the two-way straight-going traffic of main trunk road) can not stopped by the T-junction mouth.These two traffic phase places and above said two traffic phase places using in the enforcement the present invention of the country of vehicle right lateral just in time are mirror image, do not repeat them here.
Certainly, the step b in the using method of the traffic control system of the T-junction mouth of implementing in the country of vehicle left lateral
1), step b
2) can change, can realize the traffic of the T-junction mouth of two these specific embodiment of traffic phase controlling equally.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art need not creative work and just can design according to the present invention make many modifications and variations.Therefore, all those of ordinary skill in the art all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. a T-junction mouth comprises main trunk road and less important arterial highway, and described less important arterial highway is gone into described main trunk road at a side joint of described main trunk road and formed the intersection, ground, and it is characterized in that: described T-junction mouth also comprises the half range grade separation without ramps; Described half range grade separation without ramps is arranged on the direct lane place of described main trunk road near a side of described less important arterial highway, towards identical with the craspedodrome direction of described main trunk road.
2. T-junction mouth as claimed in claim 1 is characterized in that: described half range grade separation without ramps is a half range separate type bridge crossing.
3. T-junction mouth as claimed in claim 1 is characterized in that: described half range grade separation without ramps is the half range tunnel.
4. as claim 1 or 3 described T-junction mouths, it is characterized in that: it is the canalization road that described less important arterial highway turns to the part of left steering track in intersection, described ground of described main trunk road; It is the canalization road that described main trunk road turns to the part of left steering track in intersection, described ground of described less important arterial highway.
5. as claim 1 or 3 described T-junction mouths, it is characterized in that: it is the canalization road that described less important arterial highway turns to the part of right turn track in intersection, described ground of described main trunk road; It is the canalization road that described main trunk road turns to the part of right turn track in intersection, described ground of described less important arterial highway.
6. T-junction mouth as claimed in claim 1 is characterized in that: also comprise overpass, the two ends of described overpass connect the both sides of described main trunk road respectively.
7. T-junction mouth as claimed in claim 1 is characterized in that: also comprised the tunnel, street, described two outlets of crossing the tunnel, street connect the both sides of described main trunk road respectively.
8. T-junction mouth as claimed in claim 1 is characterized in that: described main trunk road is the main trunk road that two-way lane is arranged, and described half range grade separation without ramps is arranged on the unidirectional track place of described main trunk road near a side of described less important arterial highway.
9. T-junction mouth as claimed in claim 8 is characterized in that: described main trunk road is the main trunk road that has two-way Four-Lane Road at least.
10. T-junction mouth as claimed in claim 1 is characterized in that: described less important arterial highway is the less important arterial highway that two-way lane is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110001550 CN102108660A (en) | 2011-01-06 | 2011-01-06 | T-shaped intersection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110001550 CN102108660A (en) | 2011-01-06 | 2011-01-06 | T-shaped intersection |
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| Publication Number | Publication Date |
|---|---|
| CN102108660A true CN102108660A (en) | 2011-06-29 |
Family
ID=44172933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110001550 Pending CN102108660A (en) | 2011-01-06 | 2011-01-06 | T-shaped intersection |
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|---|---|
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2743407Y (en) * | 2004-11-23 | 2005-11-30 | 李祥裕 | Two-road stereo crossing overpass |
| US7234891B2 (en) * | 2005-10-14 | 2007-06-26 | Tsukinada Kensetsu Kabushiki Kaisha | Multi-level road intersection |
| CN201010845Y (en) * | 2007-03-12 | 2008-01-23 | 倪既民 | Simple vertical crossing T-shaped intersection |
| CN201924247U (en) * | 2011-01-06 | 2011-08-10 | 上海市城市建设设计研究院 | T-shaped crossing |
-
2011
- 2011-01-06 CN CN 201110001550 patent/CN102108660A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2743407Y (en) * | 2004-11-23 | 2005-11-30 | 李祥裕 | Two-road stereo crossing overpass |
| US7234891B2 (en) * | 2005-10-14 | 2007-06-26 | Tsukinada Kensetsu Kabushiki Kaisha | Multi-level road intersection |
| CN201010845Y (en) * | 2007-03-12 | 2008-01-23 | 倪既民 | Simple vertical crossing T-shaped intersection |
| CN201924247U (en) * | 2011-01-06 | 2011-08-10 | 上海市城市建设设计研究院 | T-shaped crossing |
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Application publication date: 20110629 |