CN102337712A - Crossed directional barrier-free overpass - Google Patents
Crossed directional barrier-free overpass Download PDFInfo
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- CN102337712A CN102337712A CN2011102122300A CN201110212230A CN102337712A CN 102337712 A CN102337712 A CN 102337712A CN 2011102122300 A CN2011102122300 A CN 2011102122300A CN 201110212230 A CN201110212230 A CN 201110212230A CN 102337712 A CN102337712 A CN 102337712A
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- 206010039203 Road traffic accident Diseases 0.000 abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention relates to a crossed directional barrier-free overpass, which belongs to the technical field of civil engineering. A directional barrier-free overpass is adopted in a crossing easy to cause traffic jamming and easy to cause traffic accidents. The overpass consists of three parts: an underground layer, a ground layer and an over ground layer and is characterized in that the overpass is not provided with a signal lamp, motor vehicles are in directional barrier-free passing, and the leftward turning lanes of the two crossed streets are formed by concentric circles through using the middle point of the two crossed streets as a circle center and using the width of more than one lane as the radius, and motor vehicle lanes, bicycle lanes and sidewalks are separated without staggering, so the traffic accidents happened in the region are avoided, and the problem of traffic jamming caused by frequent signal lamps is fundamentally solved. The height from the ground layer to the over ground layer is the same as the height from the ground layer to the underground layer, the leftward turning lanes of the bicycle lanes, the sidewalks and the two crossed streets are positioned on the same horizontal ground, and the passing advantages of bicycles and pedestrians are ensured.
Description
1, technical field
The invention belongs to technical field of civil engineering.Be specifically related to the directed obstacle-free crossover of a kind of cross.
2, background technology
Signal lamp <being traffic lights>all is equipped with in existing crossroad; The crossroad of this design often motor vehicle, bicycle, pedestrian is detained on one side of road because of signal lamp in a large number; And the road of another side is idle; Road does not utilize fully, is the one of the main reasons that causes urban traffic blocking.And motor vehicle, bicycle, pedestrian be weave in often, very easily causes traffic accident, is the highway section that takes place frequently of traffic accident.
3, summary of the invention
The goal of the invention of present technique is to adopt a kind of directed obstacle-free crossover in the crossroad of causing traffic congestion easily and causing traffic accident easily.This overpass bridge does not have signal lamp, the directed barrier free accessibility of motor vehicle; Bicycle, pedestrian and motor vehicle shunting do not have staggered.This has just stopped the traffic accident of motor vehicle and bicycle, pedestrian's generation in this zone.Also fundamentally solved the traffic congestion that causes because of the frequent signal lamp in crossroad.Subsequently, in detailed description, more clearly demonstrate feature and advantage more of the present invention.
The directed obstacle-free crossover of a kind of cross of the present invention is made up of subterranean layer, ground floor and aerial layer three parts.Subterranean layer is the linkage section of a road in this crossroad, still the buffer area of two road intersection left turn lanes; Aerial layer is another road of intersecting with subterranean layer linkage section in this crossroad; Ground floor is made up of left turn lane, nonmotorized vehicle lane and the sidewalk of two road intersections.Left turn lane separates with nonmotorized vehicle lane, sidewalk not have and interlocks.Ground floor is identical to the height of aerial layer with ground floor to the height of subterranean layer, is the individual layer height of city standard overpass bridge.All motorways all are directed accessible tracks.
As preferably, form by the direct lane of a road and right-turn lane, the left turn lane buffer area of two road intersections by the subterranean layer that ground floor gets into;
As preferably, aerial layer is made up of the direct lane of another road that intersects with subterranean layer, and the prefab form that it is propped up by the many root posts on the subterranean layer is paved into;
As preferably, ground floor is made up of left turn lane, nonmotorized vehicle lane and the sidewalk of two road intersections.Left turn lane is to be the center of circle by the mid point with two road intersections, is that the concentric circles of radius is formed with many lane widths more than 1.It also has a lane auxiliary.And the tangent arc of two concentric circles in addition between two point of contacts in the edge of two concentric circles of maximum and the left turn lane of two road intersections forms the lane auxiliary of the left turn lane of two road intersections, just by the left-hand rotation of subterranean layer to ground floor
The directed obstacle-free crossover of described a kind of cross has following advantage:
(1), made full use of the space of the above and below ground of road;
(2), on original road, build, do not have broadening to increase, can not influence the environment of periphery;
(3), owing to adopted directed track, do not had signal lamp, improved the utilization rate of road to greatest extent, fundamentally solved the traffic congestion that cause because of frequent signal lamp the crossroad; Make people because of be detained, etc. the irritated mood that produces of biding one's time obtained alleviation, thereby unlawful practice such as hypervelocity significantly reduces when robbing;
(4), the design of left turn lane and right-turn lane meets driver's current custom;
(5), nonmotorized vehicle lane, sidewalk and left turn lane be located at same level ground, guaranteed bicycle, pedestrian's current advantage;
(6), motor vehicle and bicycle, pedestrian shunt does not have staggeredly, have stopped the traffic accident of motor vehicle and bicycle, pedestrian's generation in this zone;
(7), by ground floor to the height of aerial layer with identical to the height of subterranean layer by ground floor, be the individual layer height of city standard overpass bridge, the gradient is controlled in the reasonable range, can the power of motor vehicle not exerted an influence;
(8), owing to cancelled signal lamp, the huge waste that when motor vehicle is treated car because of the waiting signal lamp fuel oil is caused and the carbon emission of generation fundamentally are resolved, and help the protection to environment;
(9), the directed obstacle-free crossover of this cross is not only applicable to the crossroad, is equally applicable to the junction of three roads;
(10), cancelled signal lamp, alleviated traffic congestion, reduced the traffic accident incidence, thereby significantly reduced the manpower and materials of traffic control department, protected the people's safety of life and property.
4, description of drawings
Fig. 1. the directed obstacle-free crossover design sketch of cross
Fig. 2. aerial layer, ground floor, subterranean layer longitudinal sectional drawing
Fig. 3. the aerial layer plan view
Fig. 4. the subterranean layer plan view
Fig. 5. ichnograph
5, the specific embodiment
What Fig. 1-5 represented is to be the embodiment in 3 tracks with direct lane, and the direction of arrow is represented the direction of advance of motor vehicle.Pass through embodiment below, and combine accompanying drawing, technical scheme of the present invention is further specified.
Referring to Fig. 1 is the design sketch of the directed obstacle-free crossover of cross.1 subterranean layer, 2 ground floors, 3 aerial layers, the left turn lane of 4 subterranean layers, the direct lane of 5 subterranean layers can be many tracks more than, can be being made as the bus special lane near of right-turn lane.6 right-turn lanes, 7 nonmotorized vehicle lanes and sidewalk, the left turn lane of 8 aerial layers; The direct lane of 9 aerial layers, 5 is the same together, can be many tracks more than; Can be being made as the bus special lane, the right-turn lane of 10 aerial layers near of right-turn lane.11 ground floors central authorities view flower nursery.
Referring to Fig. 2 is aerial layer, ground floor, subterranean layer longitudinal sectional drawing.A, B, C represent a bit on aerial layer, ground floor, the subterranean layer limit respectively, AB=BC, and the height from the aerial layer to the ground floor equals the height of ground floor to subterranean layer in other words.In the enforcement individual layer height of city standard overpass bridge, between 3.5m-4.00m.Starting point when M representes to be up to ground floor by subterranean layer.To guarantee in the enforcement ∠ BMC＜30 ° the gradient of motor vehicle to be controlled in the reasonable range.MN is the width on nonmotorized vehicle lane and sidewalk on the ground.Crossing the vertical line that M, N make subterranean layer hands over ground floor in O
1, O
2, O
1O
2=MN prolongs NO
2In P, O
2The height h of P is exactly the height on nonmotorized vehicle lane, sidewalk, generally is about 2/3 of AB height, about 2.5m.Connect AP and prolong and hand over ground floor in D, D is up to aerial layer or is gone downwards to the start position of subterranean layer by ground floor by ground floor.
Referring to Fig. 3 is the aerial layer plan view, is the direct lane of aerial layer motor vehicle.
Referring to Fig. 4 is the subterranean layer plan view.1 right-turn lane, 2 direct lanes, 3 left turn lanes.
Referring to Fig. 5 is ichnograph.The 1st, the last trade of left turn lane, 2 left turn lanes, it is to be the center of circle by the mid point with two road intersections, is that the concentric circles of radius is formed with many lane widths more than 1; The lane auxiliary of 3 left turn lanes, arc ab and arc cd are and the tangent arc of two concentric circles between two point of contacts in addition in edge of the left turn lane of two concentric circles of maximum and two road intersections that they form the lane auxiliary of left turn lane jointly; 4 nonmotorized vehicle lanes, sidewalk, 5 ground floors central authorities view flower nursery.Nonmotorized vehicle lane on the subterranean layer, the column on sidewalk are located on the greenbelt in the middle of the subterranean layer; Nonmotorized vehicle lane under the aerial layer, the column on sidewalk are located at the centre position of idle direct lane down of aerial layer on the subterranean layer, about each one, totally four.
Usually be made as subterranean layer to a big road of motor vehicle flow in the enforcement, another road little flow is made as aerial layer.Can expand to the most possibly stifled crossroad of periphery the most stifled crossroad from the city, need one in other words and build one, not only economy but also environmental protection.
Specific embodiment of the present invention only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can do various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can not break away from spirit of the present invention or surmount the defined scope of claims.
Claims (5)
1. the directed obstacle-free crossover of cross is made up of subterranean layer, ground floor and aerial layer three parts.It is characterized in that motorway is directed accessible track all; The left turn lane of nonmotorized vehicle lane, sidewalk and two road intersections is on same level ground; Motorway separates with nonmotorized vehicle lane, sidewalk not have and interlocks; Article two, the left turn lane of road intersection is to be the center of circle by the mid point with two road intersections, is that the concentric circles of radius is formed with many lane widths more than 1.
2. the directed obstacle-free crossover of a kind of cross according to claim 1 is characterized in that subterranean layer is made up of the direct lane of a road and the right-turn lane of two road intersections, is the buffer area of two road intersection left turn lanes.
3. the directed obstacle-free crossover of a kind of cross according to claim 1 is characterized in that ground floor is made up of the left turn lane of nonmotorized vehicle lane, sidewalk and two road intersections.Nonmotorized vehicle lane, sidewalk are located at by ground floor to subterranean layer and the junction that is up to ground floor by subterranean layer.The column of propping up ground floor is located on the subterranean layer.
4. the directed obstacle-free crossover of a kind of cross according to claim 1 is characterized in that aerial layer is made up of the direct lane of another road that intersects with subterranean layer.The column of propping up aerial layer is located on the subterranean layer.
5. according to claim 2 and the directed obstacle-free crossovers of 4 described a kind of crosses, it is characterized in that by ground floor to the height of aerial layer being the individual layer height of city standard overpass bridge with identical to the height of subterranean layer by ground floor; By ground floor be up to aerial layer, by ground floor go downwards to subterranean layer, the gradient that is up to ground floor by subterranean layer is controlled in the reasonable range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102122300A CN102337712A (en) | 2011-07-26 | 2011-07-26 | Crossed directional barrier-free overpass |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102122300A CN102337712A (en) | 2011-07-26 | 2011-07-26 | Crossed directional barrier-free overpass |
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| Publication Number | Publication Date |
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| CN102337712A true CN102337712A (en) | 2012-02-01 |
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| CN2011102122300A Pending CN102337712A (en) | 2011-07-26 | 2011-07-26 | Crossed directional barrier-free overpass |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334354A (en) * | 2013-07-16 | 2013-10-02 | 莫济华 | Cross-shaped oriented barrier-free overpass bridge |
| CN104195908A (en) * | 2013-12-24 | 2014-12-10 | 杨光平 | A combined-structure overpass |
| CN108708236A (en) * | 2017-02-03 | 2018-10-26 | 黄得锋 | City road system without traffic lights |
| WO2024000994A1 (en) * | 2022-06-27 | 2024-01-04 | 梁育元 | Road intersection structure capable of coordinating with two-phase circulation of traffic and capable of sustainable development |
-
2011
- 2011-07-26 CN CN2011102122300A patent/CN102337712A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334354A (en) * | 2013-07-16 | 2013-10-02 | 莫济华 | Cross-shaped oriented barrier-free overpass bridge |
| CN103334354B (en) * | 2013-07-16 | 2016-03-16 | 莫济华 | A kind of cross directional barrier-free overpass |
| CN104195908A (en) * | 2013-12-24 | 2014-12-10 | 杨光平 | A combined-structure overpass |
| CN104195908B (en) * | 2013-12-24 | 2016-08-17 | 杨光平 | Combined structure type viaduct |
| CN108708236A (en) * | 2017-02-03 | 2018-10-26 | 黄得锋 | City road system without traffic lights |
| WO2024000994A1 (en) * | 2022-06-27 | 2024-01-04 | 梁育元 | Road intersection structure capable of coordinating with two-phase circulation of traffic and capable of sustainable development |
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Application publication date: 20120201 |