Unblocked cloverleaf intersection at traffic crossroad
Technical field:
The present invention relates to a kind of unblocked cloverleaf intersection at traffic crossroad.
Background technology:
The modern city traffic relies on traffic lights transport solution problem, the effect of traffic lights is exactly to adopt the mode of blocking up, letting out to solve the increasing magnitude of traffic flow, but this mode is when the magnitude of traffic flow acquires a certain degree, as: in the peak on and off duty time, just highlight its drawback, even the traffic police appears to coordinate to dredge, still cause the phenomenon of blocking up.China is a populous nation, and along with improving constantly of living standards of the people, car owning amount constantly increases per capita, and the phenomenon of traffic congestion is more and more serious.The traffic problems of crossroad have become traffic police department serious problems anxious to be solved.
Summary of the invention
The object of the present invention is to provide a kind ofly under the situation that does not need traffic lights, can solve crossroad access block up problem and the rational unblocked cloverleaf intersection at traffic crossroad of road design.
Technical scheme of the present invention is as follows: the road surface that two layers or more is set at the place, crossroad of road; The first floor road surface is crossing distribution bottom surface at the parting of the ways, and the road surface is the wideest; Be provided with direct lane as the motor vehicle on first floor A road surface in the middle of the road of a craspedodrome direction; On the right side on first floor A road surface is second layer A1 road surface, is the bend of turning left or turn right as the vehicle that is come by this direction running; The initiating terminal on second layer A1 road surface is positioned on the first floor A road surface, initiating terminal from second layer A road surface, center position along the crossroad, improve gradually on its road surface, the end on second layer A1 road surface is connected with the annular viaduct of center, crossroad and is on the sustained height, and peaks; The center is provided with belt viaduct at the parting of the ways.In the left side of this direct lane is second layer A2 road surface, it is the vehicle pass-through road that comes as by other three direction runnings, its structure and second layer A1 road surface are identical, and form the autos only road of the both sides that are symmetrically distributed in first floor A road surface with second layer A1 road surface; Be current bicycle or pedestrian's road on the first floor road surface in the outside on second layer A1 and A2 road surface; Two opposite side (that is: along the axis of annular viaduct, second layer A1 and A2 road surface are symmetrical distribution) that second layer A1 and A2 road surface are symmetrically distributed in the crossroad respectively along the warp or the parallel of crossroad.
The bottom on the vertical direction on first floor A road surface is first floor B road surface, first floor A road surface and first floor B road surface are positioned on the same horizontal plane, so be referred to as the first floor road surface, they locate to intersect at the parting of the ways, are provided with the 3rd layer of road surface in the middle on first floor B road surface.
The initiating terminal on the 3rd layer of road surface drops on the first floor B road surface, raise gradually on center position, its road surface along the crossroad, the annular viaduct that the end on the 3rd layer of road surface and center, crossroad are provided with connects as one and is on the sustained height, and the 3rd layer of road surface is the craspedodrome passage as the vehicle that travels in the direction.The end on the 3rd layer of road surface is the road surface peak.
Be provided with second layer B1 road surface on the right side on the 3rd layer of road surface, second layer B1 road surface is curved the travelling of turning left or turn right as the vehicle that is come by this direction running; The initiating terminal on second layer B1 road surface is positioned on the first floor B road surface, initiating terminal from second layer B1 road surface, along the center position of crossroad, improve gradually on its road surface, and the annular viaduct that the end on second layer B1 road surface and center, crossroad are provided with connects as one and is on the sustained height.The end on second layer B1 road surface is the road surface peak.
Be provided with road surface as second layer B2 in the left side on the 3rd layer of road surface, second layer B2 road surface can be used as by other three direction runnings and the vehicle pass-through road that comes, its structure and second layer B2 road surface are identical, and form the autos only road that is symmetrically distributed in both sides, the 3rd layer of B road surface with second layer B2 road surface.
Also be provided with the bend that is communicated with second layer B1 road surface and second layer B2 road surface on second layer B1 between the initiating terminal on second layer B1 and B2 road surface and annular viaduct and the B2 road surface, second layer B1 and B2 road surface be positioned at the 3rd layer about road surface both sides and be parallel to each other.Bend is positioned at the below on the 3rd layer of road surface, and the height between bend and the 3rd layer of road surface is enough to make vehicle pass-through.Two opposite side (that is: along the axis of annular viaduct, second layer B1 and B2 road surface are symmetrical distribution) that second layer B1 and B2 road surface are symmetrically distributed in the crossroad respectively along the warp or the parallel of crossroad.
The initiating terminal on second layer B road surface is than the more close crossroad of initiating terminal on the 3rd layer of road surface, is enough to make vehicle pass-through to guarantee the height between bend and the 3rd layer of road surface.
Be made as current bicycle or pedestrian's road in the outside on second layer B1 and B2 road surface.
The present invention compared with prior art can solve the traffic jam issue that travels and caused because of the intersection of vehicle in the crossroad, road design is reasonable, can guarantee respectively to take their own roads to the vehicle that travels, do not produce the situation of travelling of intersecting, thereby improved the vehicle flowrate of existing road, reduced and even avoid vehicle to pollute because of waiting as long for the current fuel-air that causes.The building construction of the present invention by adopting steelframe to combine with concrete can be that structure of the present invention is more rationally compact, and steadiness is stronger.
Description of drawings:
Fig. 1 is the plan structure schematic diagram of an embodiment of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the C-C sectional view of Fig. 1.
Fig. 5 is an another kind of structural representation of the present invention.
Label declaration: the 1st, first floor A road surface, 1-1 craspedodrome passage, the 2nd, second layer A1 road surface, the 3rd, second layer A2 road surface, the 4th, annular viaduct, the 5th, first floor B road surface, the 6th, second layer B1 road surface, the 7th, second layer B2 road surface, 8 is the 3rd layer of road surface, the 9th, and bend, the 10th, isolate body of wall, the 11st, support column, the 12nd, overline bridge, the 13rd, overline bridge exit and entrance, 14 loopholes, 15 overline bridge passages, 16 through holes, 17 guardrails, the road of 18 bicycles or People's Bank of China
The specific embodiment:
Shown in Fig. 1-4, below annular viaduct 4, be provided with People's Bank of China's overpass 12, be provided with People's Bank of China's overpass exit and entrance 13 below the one or more than one road surfaces in the second layer A1, the A2 that locate near the crossroad, B1, B2 road surface.
As shown in Figure 5, passage Zhao People's Bank of China overpass 12 as bicycle or pedestrian, also can not be arranged between first floor road surface and the annular viaduct, and change the subway that is arranged under the first floor road surface into, or the other than ring type viaduct highway section on the road surface (place, non-crossroad) is provided with People's Bank of China's overpass separately.
On first floor A road surface, be provided with each two in the track that the both direction of making a return journey travels, totally four tracks; On second layer A1, A2, B1, B2 road surface, respectively be provided with two traveling lanes in the same way; On the 3rd layer of road surface, be provided with each two in the track that the both direction of making a return journey travels, totally four tracks.
On first floor A road surface 1 with the intersection on second layer A1 and A2 road surface 2,3, the position of formed difference in height is provided with and isolates body of wall 10; Segmentation is provided with support column 11 below second layer A1 and A2 road surface 2,3, with the safety that guarantees the road surface and firm, can bear vehicle current of enough weight, and the design of concrete support column can be according to the national design standard design of road and bridge.
The place that is not provided with support column 11 below second layer A1 and A2 road surface 2,3 is the hollow out place, the place of the hollow out place below second layer A1 and A2 road surface 2,3, close crossroad is provided with People's Bank of China's overpass exit and entrance 13, this passage upwards increases gradually along the crossroad direction, peak to place, crossroad (being People's Bank of China's overpass 12 places), the below of described People's Bank of China overpass is the craspedodrome passage 1-1 on first floor A road surface 1, on the bridge floor of overline bridge, be provided with loophole 14, make the craspedodrome passage 1-1 also can daylighting, increase the brightness of craspedodrome passage; It above People's Bank of China's overpass annular viaduct 4.
Described People's Bank of China overpass 12 is the microscler road surface parallel with first floor A road surface, respectively is provided with a loophole 14 at the two ends of overline bridge 12, is the overline bridge passage 15 of pedestrian or bicycle between two loopholes 14.The both sides of overline bridge passage 15 are communicated with People's Bank of China overpass exit and entrance, make pedestrian or bicycle can by overline bridge exit and entrance and overline bridge passage 15 arrive any one with sidewalk that this crossroad links to each other on.Part or all of and the overline bridge passage 15 of two loopholes is positioned at through hole 16 belows in the middle of the annular viaduct, makes overline bridge 12 very bright.Between overline bridge 12 and the annular viaduct 4 (annular viaduct) enough height are arranged, be enough to allow pedestrian, bicycle etc. pass through.
In order to ensure driving and pedestrian's safety, be provided with guardrail 17 on the interior ring edge and/or the outer annular edge edge of annular viaduct.Described annular viaduct is annular or oval ring or arc.
In order to ensure road safety, below second layer road surface, the 3rd layer of road surface and overline bridge, be equipped with support column.
Travelling of unblocked cloverleaf intersection at traffic crossroad of the present invention can be adopted following circuit: first, second as shown in the figure, third, four crossings of fourth, but the through vehicles at first crossing from first floor A road surface, pass passage traveled straight to the third crossing of overline bridge below; The curved vehicle of turning right at first crossing (is provided with two tracks) from second layer A2 road surface and goes upward to the outer side line of annular viaduct, can realize directly turning right being bent to the second crossing; The curved vehicle of turning left at first crossing goes upward to the interior side line of annular viaduct from second layer A2 road surface, and along interior side line turn right earlier curved to second layer B2 road surface, then the negotiation of bends by below, the 3rd layer of road surface to second layer B1 road surface, up and by annular viaduct, arrive third crossing, along on the normal road surface that second layer B2 road surface goes downwards to third crossing is connected at third crossing.Third crossing is identical with first crossing vehicle pass-through route.
The through vehicles at second crossing from the 3rd layer of road surface go upward to annular viaduct, walk around the driver right side annular viaduct bend, drive to the fourth crossing the 3rd layer of road surface, go downwards to normal road surface that the fourth crossing is connected on; The second crossing turn right curved vehicle from the outer side line on second layer B1 road surface be up to annular viaduct and turn right to the second layer A1 road surface at third crossing, go downwards to normal road surface that third crossing is connected on;
The second crossing turn left curved vehicle from the interior side line on second layer B1 road surface be up to annular viaduct, along the interior side line on the second layer B1 road surface annular viaduct bend that travelled, after travelling to the second layer B2 road surface at fourth crossing, along second layer B1 road surface on the negotiation of bends between second layer B1, the B2 road surface, going up the annular viaduct between fourth crossing and the first crossing again, from the normal road surface that second layer A2 road surface goes downwards to the first crossing is connected at first crossing.The fourth crossing is identical with second crossing vehicle pass-through route.