CN103343499A - Overpass with structure having three bridge surfaces and four layers - Google Patents
Overpass with structure having three bridge surfaces and four layers Download PDFInfo
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- CN103343499A CN103343499A CN2013102957304A CN201310295730A CN103343499A CN 103343499 A CN103343499 A CN 103343499A CN 2013102957304 A CN2013102957304 A CN 2013102957304A CN 201310295730 A CN201310295730 A CN 201310295730A CN 103343499 A CN103343499 A CN 103343499A
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Abstract
The invention discloses an overpass which is formed by overlapping three cross-shaped bridge surfaces, ramps of the three cross-shaped bridge surfaces, and one layer of ground surface. The overpass comprises four through-traffic lanes, four right turning lanes, four left turning lanes, four U-turning lanes, and four pedestrian passageways, and is composed of a first-layer ground surface, a second-layer bridge surface, a third-layer bridge surface, a fourth-layer bridge surface, and ramps of the surfaces, wherein each of the first-layer ground surface and the second-layer bridge surface is provided with two through-traffic lanes, two U-turning lanes and two pedestrian passageways, and each of third-layer bridge surface and the fourth-layer bridge surface is provided with two right turning lanes and two left turning lanes. According to the overpass, a method of turning lane pairing and grouping is used, so that the eight turning lanes are divided into four pairs and two groups, and the eight turning lanes can be reasonable set. By using the overpass disclosed by the invention, a crossroad with branch lines, or branch lanes of a multi-line staggered junction can be communicated with the lanes of the overpass in all directions. By adopting the overpass disclosed by the invention, a separation type overpass or an overpass with a two-layer structure can be transformed to the overpass with the structure having the three bridge surfaces and the four layers. Most of the bridge surfaces of all layers and the respective ramps are positioned on a roadbed, so that when the overpass disclosed by the invention is built, houses are not required to be removed, and the removal compensate is saved.
Description
Technical field
The present invention relates to a kind of overpass bridge, in particular, the present invention relates to a kind of existing overpass bridge, three bridge floor four-layer structure overpass bridges of being different from.
Background technology
" the judge Harry Pregerson " overpass bridge that is positioned at Los Angeles is the most complicated overpass bridge of structure in the world.The Ge Ruifuli mountain overpass bridge of Birmingham, GBR is also very complicated, is called for fun " pasta crossing ".The complicated overpass bridge at similar " pasta crossing ", China also has many.For example: shen village's overpass bridge in Shanghai, the blue or green flat overpass bridge in Shanghai, Xizhimen, Pekinese overpass bridge, five li shop overpass bridges in Chongqing.These complicated overpass bridges are why complicated, and two aspect reasons are arranged: 1, the bend of the sweep of turning left is oversize, around bend too big, bend has become winding mountain path.2, there is branch line, because branch line is arranged, increased the complexity of overpass bridge.
These complicated overpass bridges can be simplified.For this reason, the present invention turns to way with branch line track intersection, makes the track of branch line track and overpass bridge realize intercommunication.Secondly, the present invention uses turn round track pairing and group approach, and eight tracks of turning round are made into four pairs, weaves into two groups, and two groups are arranged on three layers of bridge floor and four layers of bridge floor respectively, make that the track of turning round of overpass bridge is rationally arranged.
Summary of the invention
Overpass bridge of the present invention is to be made of thirty word shape bridge floor and ramp thereof and one deck ground institute that is superimposed.Overpass bridge has 16 straight-through tracks, four walkwaies.Article 16, straight-through track is: four direct lanes, four sweeps of turning right, four sweeps of turning left, four tune tracks.Overpass bridge is made up of one deck ground, two layers of bridge floor, three layers of bridge floor, four layers of bridge floor and ramp thereof.Wherein, one deck ground, two layers of bridge floor respectively have two direct lanes, two tune tracks, two walkwaies.Three layers of bridge floor and four layers of bridge floor respectively have two sweeps of turning right, two sweeps of turning left.So-called four-layer structure, but be exactly the plane of four driving vehicles, in other words, but the platform of four driving vehicles being arranged, the figure of each platform is cross shape.So-called straight-through track is exactly that the track does not have the turnout, can walk to be at the end in a road, midway without lane change.This overpass bridge both had been applicable to common crossroad, also was applicable to the crossroad or the multi-thread crossing that crosses that have branch line.Utilize the present invention, can make the crossroad of branch line or the branch line track at the multi-thread crossing that crosses and the four direction track of overpass bridge realize intercommunication.Utilize the present invention, separated interchange bridge or double-layer structure overpass bridge can be transformed into three bridge floor four-layer structure overpass bridges.Because two, three, four layers of bridge floor and ramp major part thereof are on the roadbed, need not pull down a house so build this overpass bridge, save removal expense.Significant contribution of the present invention is: 1, use turn left sweep and the sweep pairing grouping method of turning right first, and eight tracks of turning round are made into four pairs, weave into two groups, be separately positioned on three layers, the four layers bridge floor, solve eight tracks of turning round and taken up an area of too much problem.2, use the branch line track to intersect first and turn to way, make two tracks of branch line and the four direction track of overpass bridge realize intercommunication, five direction lane intercommunication problems have been become four direction track intercommunication problem.3, first four direct lanes are separately positioned on one deck and two layers, in the mode of getting a lift by the way, four tune tracks, four walkwaies also are separately positioned on one deck and two layers, the problem that arranges of solved the walkway, reversing end for end the track need not overline bridge or underground pedestrian passageway have been set in addition.Be divided into nine parts below, be described in detail summary of the invention.
First: one deck ground
Described one deck ground is provided with two north-south direct lanes, two tune tracks, two walkwaies.Described two north-south direct lanes are: direct lane and by north orientation south direct lane from south to north.Described two tune tracks are: eastwards tune track 15 and westwards tune track 16 more from west to east more from east to west.Article two, between the direct lane of north-south the isolation strip is set.Tune arranges the isolation strip between the track.Between the switch area in tune track and the walkway isolation strip is set.Described two walkwaies are the first row of channels and second walkway, for pedestrian's safety, between walkway and the direct lane guardrail can be set, and also can raise a step to the walkway, and the walkway is separated with direct lane.Go to the wrong way for fear of the driver, forbid two East and West direction direct lanes are arranged on one deck.
Second portion: two layers of bridge floor and ramp thereof
Described two layers of bridge floor and ramp thereof are provided with two East and West direction direct lanes, two tune tracks, two walkwaies.Described two East and West direction direct lanes are: direct lane and direct lane from east to west from west to east.Described two tune tracks are: from south to north again tune track 13 to the south, by northwards tune track 14 again, north orientation south.The both sides in two layers of ramp must arrange the track guardrail.Article two, between the East and West direction direct lane isolation strip is set.Tune arranges the isolation strip between the track.Between the switch area in tune track and the walkway isolation strip is set.Described two walkwaies are the 3rd walkway and four-player row of channels.Between two layers of walkway and the direct lane guardrail can be set, also can raise a step to the walkway, the walkway is separated with direct lane.For pedestrian's safety, the both sides of two layers of bridge floor must arrange the bridge floor guardrail.Four bridge piers that support two layers of bridge floor are arranged on below two layers of bridge floor, and the position is at four jiaos of bridge floor.For the two layers of bridge floor up and down of the vehicle on four tracks, four ramps must be set, every ramp must arrange a ramp entrance and a ramp outlet.Go to the wrong way for fear of the driver, forbid two north-south direct lanes are arranged on two layers.
Third part: three layers of bridge floor and ramp thereof
Described three layers of bridge floor and ramp thereof are provided with two 90 degree sweep, two 90 degree sweep of turning left of turning right.Described two the 90 degree sweeps of turning right are: by south east 90 degree turn right sweep 5, by the north west 90 degree sweep 6 of turning right.Described two the 90 degree sweeps of turning left are: by east orientation south 90 degree turn left sweep 11, by the west 90 degree sweep 12 of turning left northwards.The both sides in three layers of bridge floor and three layers of ramp must arrange bridge floor guardrail and track guardrail.On three layers of bridge floor, the sweep and turn right and between the sweep isolation strip will be set of turning left is turned left for two and also the isolation strip will be set between the sweep.For the three layers of bridge floor up and down of the vehicle on four tracks of turning round, four ramps must be set, every ramp must arrange a ramp entrance and a ramp outlet.Four bridge piers that support three layers of bridge floor are arranged on below three layers of bridge floor, and the position is at four jiaos of bridge floor.
The 4th part: four layers of bridge floor and ramp thereof
Described four layers of bridge floor and ramp thereof are provided with two 90 degree sweep, two 90 degree sweep of turning left of turning right.Described two the 90 degree sweeps of turning right are: by north east 90 degree turn right sweep 7, by the west south 90 degree sweep 8 of turning right.Described two the 90 degree sweeps of turning left are: by north orientation east 90 degree turn left sweep 10, by the south orientation west 90 degree sweep 9 of turning left.Driver via overpass bridge must remember " track 7,8,9,10 is at four layers " the words, otherwise will take a wrong way.The both sides in four layers of bridge floor and four layers of ramp must arrange bridge floor guardrail and track guardrail.On four layers of bridge floor, the sweep and turn right and between the sweep isolation strip will be set of turning left is turned left for two and also the isolation strip will be set between the sweep.For the four layers of bridge floor up and down of the vehicle on four tracks of turning round, four ramps must be set, every ramp must arrange a ramp entrance and a ramp outlet.Four bridge piers that support four layers of bridge floor are arranged on below four layers of bridge floor, and the position is at four jiaos of bridge floor.
In order not have ice and snow with four layers of ramp winter on four layers of bridge floor, in order not have rainwater with four layers of ramp rainy day on four layers of bridge floor, the top in four layers of bridge floor and four layers of ramp must add the roof, and the roof must be more than 4.5 meters far from the plane, track.It is most important for overpass bridge to add the roof, and the steeper gradient can be adopted in each bar ramp of overpass bridge, shortens the length in ramp.
The 5th part: the structure of turn round track pairing grouping method and overpass bridge
The described track matching method that turns round is: must be that the sweep of turning right of being correlated with just can match with the relevant sweep of turning left.Track 5, track 11 match, and track 6, track 12 match, and track 7, track 10 match, and track 8, track 9 match.The described track grouping method that turns round is: must be that relevant two pairs of tracks of turning round just can be weaved into one group.Be that track 5, track 6, track 11, track 12 are weaved into one group, track 7, track 8, track 9, track 10 are weaved into one group.The structure of overpass bridge: one deck of overpass bridge, two layers, three layers, four layers bridge floor all are the cross shape structures.Three layers of ramp length are longer than two layers of ramp length, and four layers of ramp length are longer than three layers of ramp length.
The 6th part: track guardrail and isolation strip
In order to take precautions against the accident of falling down from the bridge and to weigh down sloping accident, the both sides in two layers of bridge floor, two layers of ramp, three layers of bridge floor, three layers of ramp, four layers of bridge floor, four layers of ramp must arrange bridge floor guardrail or track guardrail.Guardrail must be fixed on the cement step, and step will be higher than the plane, track more than one meter, and step width will be at one meter more than five, and guardrail height must be about two meters.Article two, between the track isolation strip to be set.Isolation pile is fixed on the cement step, and the height of stake is more than one meter.The cement step of track guardrail and isolation strip has the track guide effect concurrently.For vehicle driving safety on the ramp, two layers of ramp, three layers of ramp, four layers of ramp near the exit, ramp, must arrange outgoing vehicles and put the district under taboo.
The 7th part: how separated interchange bridge or double-layer structure overpass bridge reconstruct into three bridge floor four-layer structure overpass bridges
The step that separated interchange bridge or double-layer structure overpass bridge are reconstructed into three bridge floor four-layer structure overpass bridges is as follows: 1, on one deck ground two tune tracks, two walkwaies are set, and keep original two direct lanes.2, at two layers of bridge floor and ramp thereof two tune tracks, two walkwaies are set, keep original two direct lanes.3, two 90 degree sweep of turning right is set, track 5,6, two 90 degree in track sweep of turning left, track 11, track 12 in three layers of bridge floor and ramp thereof.4, two 90 degree sweep of turning right is set, track 7,8, two 90 degree in track sweep of turning left, track 9, track 10 in four layers of bridge floor and ramp thereof.5, above four layers of bridge floor and four layers of ramp, add the roof.
The 8th part: how realize and the track intercommunication of overpass bridge four direction in the branch line track
Three bridge floor four-layer structures of the present invention overpass bridge both had been applicable to common crossroad, also was applicable to the crossroad or the multi-thread crossing that crosses that have branch line.Have crossroad or the multi-thread crossing that crosses of branch line, two branch line tracks parallel to each other once intersect earlier, become two mutually perpendicular tracks after intersecting.Article two, hang down mutually from the track and the track of overpass bridge four direction link together.Therefore, intercommunication as long as once intersect, just can be realized with the track of overpass bridge four direction in two branch line tracks.The so-called intersection is exactly that solid interweaves, two tracks, and one another is through below the bridge opening on bridge floor, and the angle of cut in two tracks is near 90 degree.The branch line track is divided into four angles by the position, and there are three trends in two tracks at each angle.Three pairs of tracks parallel to each other of northeast corner become three pairs of mutually perpendicular tracks after turning to through intersection, and it moves towards figure respectively as Figure 12, Figure 13, Figure 14.Three pairs of tracks parallel to each other of southeast corner become three pairs of mutually perpendicular tracks after turning to through intersection, and it moves towards figure respectively as Figure 15, Figure 16, Figure 17.Three pairs of tracks parallel to each other, southwest corner become three pairs of mutually perpendicular tracks after turning to through intersection, and it moves towards figure respectively as Figure 18, Figure 19, Figure 20.Three pairs of tracks parallel to each other, northwest corner become three pairs of mutually perpendicular tracks after turning to through intersection, and it moves towards figure respectively as Figure 21, Figure 22, Figure 23.Two tracks on the branch line not only can with the four direction intercommunication of overpass bridge, and can also realize tune by the relevant track of overpass bridge.Track 7 be northeast corner branch line track realize tune must through the road.Track 5 be southeast corner branch line track realize tune must through the road.Track 8 be branch line track, southwest corner realize tune must through the road.Track 6 be the northwest corner branch line realize tune must through the road.
Session 9: how two tracks on the branch line turn to after intersection
Two tracks on the branch line need to change two orthogonal tracks through suitable turning to into by two tracks parallel to each other after intersecting.Article two, the direction in orthogonal track is exactly the steering direction in branch line track.Therefore, two mutually perpendicular tracks can only be that bar is the north-south, and another is East and West direction.The branch line track has only through such transformation and could connect with the relevant track of overpass bridge.Concrete grammar is as follows:
1, the track 12 of overpass bridge, track 1, track 14, track 7 are turned right curved through one 90 degree, just can move towards three branch line tracks 21 of northeast corner, 23,25.This direction is direction from west to east.From west to east direction be with overpass bridge four direction track realize intercommunication must via steering direction.
2, three branch line tracks 22 of northeast corner, 24,26 are changed north-to-south direction into through after intersecting, and turn right curved through one again, just can be connected with track 7, track 15, track 3, the track 11 of overpass bridge, and the trend in these four tracks is respectively: northwards, eastwards, westwards, southwards.Therefore, north-to-south direction be with overpass bridge four direction track realize intercommunication must via steering direction.
3, the track 10 of overpass bridge, track 4, track 15, track 5 are turned right curved through one 90 degree, just can move towards three branch line tracks 27 of southeast corner, 29,31.This direction is north-to-south direction.North-to-south direction be with overpass bridge four direction track realize intercommunication must via steering direction.
4, three branch line tracks 28 of southeast corner, 30,32 are changed direction from east to west into through after intersecting, and turn right curved through one again, just can be connected with track 5, track 13, track 1, the track 9 of overpass bridge, and the trend in these four tracks is respectively: eastwards, southwards, northwards, westwards.Therefore, from east to west direction be with overpass bridge four direction track realize intercommunication must via steering direction.
5, the track 11 of overpass bridge, track 2, track 13, track 8 are turned right curved through one 90 degree, just can move towards three branch line tracks 33, southwest corner, 35,37.This direction is direction from east to west.From east to west direction be with overpass bridge four direction track realize intercommunication must via steering direction.
6, three branch line tracks 34, southwest corner, 36,38 are changed direction from south to north into through after intersecting, and turn right curved through one again, just can be connected with track 8, track 16, track 4, the track 12 of overpass bridge, and the trend in these four tracks is respectively: southwards, westwards, eastwards, northwards.Therefore, from south to north direction be with overpass bridge four direction track realize intercommunication must via steering direction.
7, the track 9 of overpass bridge, track 3, track 16, track 6 are turned right curved through one 90 degree, just can move towards three branch line tracks 39, northwest corner, 41,43.This direction is direction from south to north.From south to north direction be with overpass bridge four direction track realize intercommunication must via steering direction.
8, three branch line tracks 40, northwest corner, 42,44 are changed direction from west to east into through after intersecting, and are curved through turning right again, just can be connected with track 6, track 14, track 2, the track 10 of overpass bridge, and the trend in these four tracks is respectively: westwards, northwards, southwards, eastwards.Therefore, from west to east direction be with overpass bridge four direction track realize intercommunication must via steering direction.
Three bridge floor four-layer structures of the present invention overpass bridge has following beneficial effect:
(1) the present invention uses turn round track pairing and grouping method, and eight tracks of turning round are made into four pairs, weaves into two groups, is separately positioned on three layers and four layers, has solved eight tracks of turning round and has taken up an area of too much problem.
(2) all tracks of turning round of the present invention turn round part all in the plane, while the situation of the climb and fall that do not have to turn round, traffic safety.
(3) the present invention has four tune tracks, four walkwaies, and vehicle is very convenient by the overpass bridge tune, and the passing overpass bridge of pedestrian is also very convenient.
Description of drawings
Fig. 1: track 1, track 2 are arranged on one deck, and figure is moved towards in one deck track.
Fig. 2: track 3, track 4 are arranged on two layers, and figure is moved towards in two layers of track.
Fig. 3: track 5, track 6 are arranged on three layers, and figure is moved towards in three layers of track.
Fig. 4: track 7, track 8 are arranged on four layers, and figure is moved towards in four layers of track.
Fig. 5: track 1, track 2 are arranged on one deck, overpass bridge north-south sectional drawing.
Fig. 6: track 1, track 2 are arranged on one deck, overpass bridge East and West direction sectional drawing.
Fig. 7: overpass bridge vertical view.
Fig. 8: 16 from being open to traffic positional alignment figure.
Fig. 9: relevant track with overpass bridge, branch line track, the north-south connection layout at four angles.
Figure 10: the northeast-southwest at four angles is to reaching northwest-southeast to relevant track with overpass bridge, branch line track connection layout.
Figure 11: relevant track with overpass bridge, the East and West direction branch line track connection layout at four angles.
Figure 12: relevant track with overpass bridge, branch line track, two north-souths of northeast corner connection layout.
Figure 13: two northeast-southwest of northeast corner are to relevant track with overpass bridge, branch line track connection layout.
Figure 14: relevant track with overpass bridge, two East and West direction branch lines of northeast corner track connection layout.
Figure 15: relevant track with overpass bridge, branch line track, two north-souths of southeast corner connection layout.
Figure 16: two southeast of southeast corner-relevant track with overpass bridge, north-westward branch line track connection layout.
Figure 17: relevant track with overpass bridge, two East and West direction branch lines of southeast corner track connection layout.
Figure 18: relevant track with overpass bridge, branch line track, two north-souths, southwest corner connection layout.
Figure 19: two southwest, southwest corner-relevant track with overpass bridge, North-East Bound branch line track connection layout.
Figure 20: relevant track with overpass bridge, two East and West direction branch lines track, southwest corner connection layout.
Figure 21: relevant track with overpass bridge, branch line track, two north-souths, northwest corner connection layout.
Figure 22: two northwest-southeast, northwest corner are to relevant track with overpass bridge, branch line track connection layout.
Figure 23: relevant track with overpass bridge, two East and West direction branch lines track, northwest corner connection layout.
The specific embodiment
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is described.In Figures 1 to 23 and the summary of the standard digital drawings meanings as follows: 1 - from south to north through lanes ( lanes 1) 2 - from north to south through lanes ( lanes 2) 3 - from east to west through lanes ( lanes 3) 4 - from west to east through lanes ( lane 4) 5 - 90 degrees to the right from the south east corner lane ( lane 5) 6 - 90 degrees to the right from the north west corner lane ( lane 6) 7 - from east to north 90 degrees right- turn lane ( lane 7 ) 8 - 90 degrees from west to south bend the right lane ( lane 8) 9 - 90 degrees from south to west left turn lane ( lane 9) 10 - 90 degrees from north to east left turn lane ( lane 10 ) 11 - from east to south 90 degrees left turn lane ( lane 11 ) 12 - from west to north 90 degrees left turn lane ( lane 12) 13 - U-turn from south to north then south lane ( lane 13 ) 14 - from north to south and then U-turn lane north ( lane 14 ) 15 - U-turn from east to west then east lane ( lane 15 ) 16 - U-turn from west to east and then west lane ( lane 16 ) 17 - the first pedestrian passageway 18 - second walkway 19 - Third line channels 20 - Fourth walkways 21-26 to 27-32 for the southeast corner of the Northeast Extension Extension lane lane lanes 39-44 33-38 to the southwest corner of the northwest corner of the Spur line Drive 45 - Extension lane 21 ; 23 ; 25 steering direction 46 - Extension lane 22 ; 24 ; 26 steering direction 47 - Extension lane 27 ; 29 ; 31 steering direction 48 - Extension lane 28 ; 30 ; 32 steering bearing 49 - Extension lane 33 ; 35 ; 37 steering direction 50 - Extension lane 34 ; 36 ; 38 steering direction 51 - Extension lane 39 ; 41 ; 43 steering direction 52 - Extension lane 40 ; 42 ; 44 steering direction 53 - isolation belt 54 - lane divider 55 - roof 56 - supporting the second floor deck pier 57 - support the three-tier deck pier 58 - support four bridge piers 59 - floor ground 60 - second floor deck 61 - triple deck 62 - four bridge surface 63 - second floor ramp 64 - three ramp 65 - four ramp 66 - pulled out of the vehicle near the prohibited zone 67 - bridge parapets 68 - two-story entrance ramp 69 - second floor ramp outlet 70 - Triplex entrance ramp 71 - three ramps outlet 72 - four- ramp inlet 73 - four exit ramp .
In Fig. 1 to Figure 23 and Figure of abstract, the thinnest zebra lines represent the track on one deck ground, and thick slightly zebra lines represent the track on two layers of bridge floor, and the thickest zebra lines represent the track on three layers of bridge floor, and solid lines represent the track on four layers of bridge floor.Arrow represents the direction that vehicle travels, and two layers arrow is the shortest, and three layers arrow is the longest, and solid lines arrow represents four layers, and grevy's zebra line arrow represents one deck.Fig. 7 is the vertical view of overpass bridge pontic, the figure that solid lines surround among the figure represents four layers of ramp and four layers of bridge floor, the figure that solid lines and thick slightly dotted line lines surround represents three layers of ramp and three layers of bridge floor, and the figure that solid lines and fine dotted line lines surround represents two layers of ramp and two layers of bridge floor.
Overpass bridge of the present invention is to be made of thirty word shape bridge floor and ramp thereof and one deck ground institute that is superimposed.Overpass bridge has 16 straight-through tracks, four walkwaies.Article 16, straight-through track is: four direct lanes, four sweeps of turning right, four sweeps of turning left, four tune tracks.Overpass bridge is made up of one deck ground, two layers of bridge floor, three layers of bridge floor, four layers of bridge floor and ramp thereof.Wherein, one deck ground, two layers of bridge floor respectively have two direct lanes, two tune tracks, two walkwaies.Three layers of bridge floor and four layers of bridge floor respectively have two sweeps of turning right, two sweeps of turning left.So-called four-layer structure, but be exactly the plane of four driving vehicles, in other words, but the platform of four driving vehicles being arranged, the figure of each platform is cross shape.So-called straight-through track is exactly that the track does not have the turnout, can walk to be at the end in a road, midway without lane change.This overpass bridge both had been applicable to common crossroad, also was applicable to the crossroad or the multi-thread crossing that crosses that have branch line.Utilize the present invention, can make the crossroad of branch line or the branch line track at the multi-thread crossing that crosses and the four direction track of overpass bridge realize intercommunication.Utilize the present invention, separated interchange bridge or double-layer structure overpass bridge can be transformed into three bridge floor four-layer structure overpass bridges.Because two, three, four layers of bridge floor and ramp major part thereof are on the roadbed, need not pull down a house so build this overpass bridge, save removal expense.Significant contribution of the present invention is: 1, use turn left sweep and the sweep pairing grouping method of turning right first, and eight tracks of turning round are made into four pairs, weave into two groups, be separately positioned on three layers, the four layers bridge floor, solve eight tracks of turning round and taken up an area of too much problem.2, use the branch line track to intersect first and turn to way, make two tracks of branch line and the four direction track of overpass bridge realize intercommunication, five direction lane intercommunication problems have been become four direction track intercommunication problem.3, first four direct lanes are separately positioned on one deck and two layers, in the mode of getting a lift by the way, four tune tracks, four walkwaies also are separately positioned on one deck and two layers, the problem that arranges of solved the walkway, reversing end for end the track need not overline bridge or underground pedestrian passageway have been set in addition.Be divided into ten parts below, be described in detail the specific embodiment.
First: one deck ground
Described one deck ground 59 is provided with two north-south direct lanes, two tune tracks, two walkwaies.Described two north-south direct lanes are: direct lane 1 and by north orientation south direct lane 2 from south to north.Described two tune tracks are: eastwards tune track 15, westwards tune track 16 more from west to east more from east to west.Article two, isolation strip 53 is set between the direct lane of north-south.Tune arranges isolation strip 53 between the track.Between the switch area in tune track and the walkway isolation strip 53 is set.Described two walkwaies are the first row of channels 17 and second walkway 18, for pedestrian's safety, between walkway and the direct lane guardrail can be set, also can be raising a step, the walkway is separated with direct lane, and this moment, the width of walkway must not be lower than 10 meters.(Fig. 1).For pedestrains safety, the direct lane speed per hour can not surpass 40 kilometers, and during head end operation, speed per hour can not be above 5 kilometers.Go to the wrong way for fear of the driver, forbid two East and West direction direct lanes are arranged on one deck.
Second portion: two layers of bridge floor and two layers of ramp
Described two layers of bridge floor 60, two layers of ramp 63 are provided with two East and West direction direct lanes, two tune tracks, two walkwaies.Described two East and West direction direct lanes are: direct lane 3 and direct lane 4 from east to west from west to east.Described two tune tracks are: from south to north again tune track 13 to the south, by northwards tune track 14 again, north orientation south.The both sides in two layers of ramp 63 must arrange track guardrail 54.Article two, isolation strip 53 is set between the East and West direction direct lane.Tune arranges isolation strip 53 between the track.Between the switch area in tune track and the walkway isolation strip 53 is set.Described two walkwaies are the 3rd walkway 19 and four-player row of channels 20.Between two layers of walkway and the direct lane guardrail can be set, also can raise a step to the walkway, the walkway is separated with cycleway, this moment, the width of walkway must not be lower than 8 meters.For pedestrains safety, direct lane vehicle speed per hour can not surpass 40 kilometers, and during head end operation, speed per hour can not be above 5 kilometers.The both sides of two layers of bridge floor 60 must arrange bridge floor guardrail 67.Four bridge piers 56 that support two layers of bridge floor 60 are arranged on below two layers of bridge floor 60, and the position is at four jiaos of bridge floor 60.(Fig. 2).For the two layers of bridge floor 60 up and down of the vehicle on four tracks, four ramps 63 must be set, every ramp 63 must arrange a ramp entrance 68 and a ramp outlet 69.Go to the wrong way for fear of the driver, forbid two north-south direct lanes are arranged on two layers.Path via two layers of bridge floor 60 each bar track is: 63 → ground, 63 → two layers of bridge floor 60 → descending ramp of ground → steep uphill.
Third part: three layers of bridge floor and three layers of ramp
Described three layers of bridge floor 61 and ramp 64 thereof are provided with two 90 degree sweep, two 90 degree sweep of turning left of turning right.Described two the 90 degree sweeps of turning right are: by south east 90 degree turn right sweep 5, by the north west 90 degree sweep 6 of turning right.Described two the 90 degree sweeps of turning left are: by east orientation south 90 degree turn left sweep 11, by the west 90 degree sweep 12 of turning left northwards.(Fig. 3).Both sides in three layers of bridge floor 61 and three layers of ramp 64 must arrange bridge floor guardrail 67 and track guardrail 54.On three layers of bridge floor 61, the sweep and turning right of turning left will arrange 53, two of isolation strip and turn left and also isolation strip 53 will be set between the sweep between the sweep.For the three layers of bridge floor 61 up and down of the vehicle on four tracks of turning round, four ramps 64 must be set, every ramp 64 must arrange a ramp entrance 70 and a ramp outlet 71.(Fig. 3).For vehicle safety, the turning radius in the track of turning round is set to 20-30 rice.The vehicle speed per hour of turning round can not be above 40 kilometers.Go to the wrong way for fear of the driver, track 7, track 8, track 9, track 10 had better not be arranged on three layers of bridge floor 61, and this group track only should be arranged on four layers of bridge floor 62.Four bridge piers 57 that support three layers of bridge floor 61 are arranged on below three layers of bridge floor 61, and the position is at four jiaos of bridge floor 61.(Fig. 3).Path via three layers of bridge floor 61 each bar track is: 64 → ground, 64 → three layers of bridge floor 61 → descending ramp of ground → steep uphill.
The 4th part: four layers of bridge floor and four layers of ramp
Described four layers of bridge floor 62 and ramp 65 thereof are provided with two 90 degree sweep, two 90 degree sweep of turning left of turning right.Described two the 90 degree sweeps of turning right are: by north east 90 degree turn right sweep 7, by the west south 90 degree sweep 8 of turning right.Described two the 90 degree sweeps of turning left are: by south orientation west 90 degree turn left sweep 9, by the north orientation east 90 degree sweep 10 of turning left.(Fig. 4).For vehicle safety, the turning radius in the track of turning round is set to 20-30 rice.The vehicle speed per hour of turning round can not be above 40 kilometers.Driver via overpass bridge must remember " track 7,8,9,10 is at four layers " the words, otherwise will take a wrong way.Go to the wrong way for fear of the driver, track 5, track 6, track 11, track 12 had better not be arranged on four layers of bridge floor 62, and this group track only should be arranged on three layers of bridge floor 61.The both sides in four layers of bridge floor 62 and four layers of ramp 65 must arrange bridge floor guardrail 67 and track guardrail 54.On four layers of bridge floor 62, the sweep and turning right of turning left will arrange 53, two of isolation strip and turn left and also isolation strip 53 must be set between the sweep between the sweep.For the four layers of bridge floor 62 up and down of the vehicle on four tracks of turning round, four ramps 65 must be set, every ramp 65 must arrange a ramp entrance 72 and a ramp outlet 73.(Fig. 4).Four bridge piers 58 that support four layers of bridge floor 62 are arranged on below four layers of bridge floor 62, and the position is at four jiaos of bridge floor.(Fig. 4).Path via four layers of bridge floor 62 each bar track is: 65 → ground, 65 → four layers of bridge floor 62 → descending ramp of ground → steep uphill.
In order on four layers of bridge floor 62, not have ice and snow with four layers of ramp 65 winter, in order on four layers of bridge floor 62, not have rainwater with four layers of ramp 65 rainy day, the top in four layers of bridge floor 62 and four layers of ramp 65 must add roof 55, and roof 55 must be more than 4.5 meters apart from the plane, track.(Fig. 5, Fig. 6).It is most important for overpass bridge to add roof 55, and the steeper gradient can be adopted in each bar ramp of overpass bridge, shortens the length in ramp.
The 5th part: the structure of turn round track pairing grouping method and overpass bridge
The described track matching method that turns round is: must be that the sweep of turning right of being correlated with just can match with the relevant sweep of turning left.Track 5, track 11 match, and track 6, track 12 match, and track 7, track 10 match, and track 8, track 9 match.The described track grouping method that turns round is: must be that two couple of being correlated with track of turning round just can be weaved into one group.Be that track 5, track 6, track 11, track 12 are weaved into one group, track 7, track 8, track 9, track 10 are weaved into one group.(Fig. 3, Fig. 4).The structure of overpass bridge: one deck of overpass bridge, two layers, three layers, four layers bridge floor all are decussate textures.(Fig. 1, Fig. 2, Fig. 3, Fig. 4).Three layers of ramp 64 length are longer than two layers of ramp 63 length, and four layers of ramp 65 length are longer than three layers of ramp 64 length.(Fig. 7).
The 6th part: track guardrail and isolation strip
In order to take precautions against the accident of falling down from the bridge and to weigh down sloping accident, the both sides in two layers of bridge floor 60, two layers of ramp 63, three layers of bridge floor 61, three layers of ramp 64, four layers of bridge floor 62, four layers of ramp 65 must arrange bridge floor guardrail 67 or track guardrail 54. Guardrail 67,54 must be fixed on the cement step, and step will be higher than the plane, track more than one meter, and step width will be at one meter more than five, and guardrail 67,54 height must be about two meters.Article two, between the track isolation strip 53 to be set.Isolation pile is fixed on the cement step, and the height of stake is more than one meter.The cement step of track guardrail 53 and isolation strip 54 has the track guide effect concurrently.For vehicle driving safety on the ramp, two layers of ramp 63, three layers of ramp 64, four layers of ramp 65 near ramp outlet 66,71,73 places, must arrange outgoing vehicles and put district 66 under taboo.(Fig. 2, Fig. 3, Fig. 4).
The 7th part: how separated interchange bridge or double-layer structure overpass bridge reconstruct into three bridge floor four-layer structure overpass bridges
The step that separated interchange bridge or double-layer structure overpass bridge are reconstructed into three bridge floor four-layer structure overpass bridges is as follows:
1, on one deck ground two tune tracks, two walkwaies are set, keep original two direct lanes.2, at two layers of bridge floor 60 and ramp 63 thereof two tune tracks, two walkwaies are set, keep original two direct lanes.3, two 90 degree sweep of turning right is set, track 5,6, two 90 degree in track sweep of turning left, track 11, track 12 in three layers of bridge floor 61 and ramp 64 thereof.4, two 90 degree sweep of turning right is set, track 7,8, two 90 degree in track sweep of turning left, track 9, track 10 in four layers of bridge floor 62 and ramp thereof.5, above four layers of bridge floor 62 and four layers of ramp 65, add roof 55.
The 8th part: how realize and the track intercommunication of overpass bridge four direction in the branch line track
For the four direction track intercommunication that how to realize branch line track and overpass bridge is described, drawn Fig. 8.According to Fig. 8, Fig. 9, Figure 10, Figure 11 have been drawn out.According to Fig. 9, Figure 10, Figure 11, drawn out Figure 12-Figure 23 again.In fact, Fig. 8 draws for drawing is clean and tidy.In fact, these figure and actual conditions have discrepancy.Among these figure, the first half in track 1,13,5,9 four tracks respectively one deck, two layers, three layers, four layers, if see from top to bottom, is the one section line that overlaps.Equally, the first half in track 2,14,6,10 4 tracks also is the one section line that overlaps.The first half in track 15,3,11,7 four tracks also is the one section line that overlaps.The first half in track 16,4,12,8 four tracks also is the one section line that overlaps.The latter half in track 1,14,12,7 four tracks also is the one section line that overlaps.The latter half in track 2,13,11,8 four tracks also is the one section line that overlaps.The latter half in track 16,3,6,9 four tracks also is the one section line that overlaps.The latter half in track 15,4,5,10 4 tracks also is the one section line that overlaps.These figure are clean and tidy for drawing, should overlap at the lines that rise, and all have been drawn as the lines of four separation.
Three bridge floor four-layer structures of the present invention overpass bridge both had been applicable to common crossroad, also was applicable to the crossroad or the multi-thread crossing that crosses that have branch line.Have crossroad or the multi-thread crossing that crosses of branch line, two branch line tracks parallel to each other once intersect earlier, become two mutually perpendicular tracks after intersecting.Article two, the track of mutually perpendicular track and overpass bridge four direction links together.Therefore, intercommunication as long as once intersect, just can be realized with the track of overpass bridge four direction in two branch line tracks.The so-called intersection is exactly that solid interweaves, two tracks, and one another is through below the bridge opening on bridge floor, and the angle of cut in two tracks is near 90 degree.The branch line track is divided into four angles by the position, and there are three trends in two tracks at each angle.Three pairs of tracks parallel to each other of northeast corner become three pairs of mutually perpendicular tracks after turning to through intersection, and it moves towards figure respectively as Figure 12, Figure 13, Figure 14.Three pairs of tracks parallel to each other of southeast corner become three pairs of mutually perpendicular tracks after turning to through intersection, and it moves towards figure respectively as Figure 15, Figure 16, Figure 17.Three pairs of tracks parallel to each other, southwest corner become three pairs of mutually perpendicular tracks after turning to through intersection, and it moves towards figure respectively as Figure 18, Figure 19, Figure 20.Three pairs of tracks parallel to each other, northwest corner become three pairs of mutually perpendicular tracks after turning to through intersection, and it moves towards figure respectively as Figure 21, Figure 22, Figure 23.Two tracks on the branch line not only can with the four direction intercommunication of overpass bridge, and can also realize tune by the relevant track of overpass bridge.Track 7 be northeast corner branch line track realize tune must through the road.Track 5 be southeast corner branch line track realize tune must through the road.Track 8 be branch line track, southwest corner realize tune must through the road.Track 6 be branch line track, northwest corner realize tune must through the road.Fig. 9, Figure 10, Figure 11).
Session 9: how two tracks on the branch line turn to after intersection
Two tracks on the branch line need to change two orthogonal tracks through suitable turning to into by two tracks parallel to each other after intersecting.Will change one into after just intersecting is the track, north-south, and another is the East and West direction track.The branch line track has only through such transformation, could connect with the relevant track of overpass bridge.Concrete grammar is as follows:
1, the track 12 of overpass bridge, track 1, track 14, track 7 are turned right curved through one 90 degree, just can move towards three branch line tracks 21 of northeast corner, 23,25.This direction is direction 45 from west to east.From west to east direction 45 be with overpass bridge four direction track realize intercommunication must via steering direction.(Figure 12, Figure 13, Figure 14).
2, after three branch line tracks 22 of northeast corner, 24,26 intersect, change north-to-south direction into, turn right curved through one again, just can be connected with track 7, track 15, track 3, the track 11 of overpass bridge, and the trend in these four tracks is respectively: northwards, eastwards, westwards, southwards.Therefore, north-to-south direction 46 be with overpass bridge four direction track realize intercommunication must via steering direction.(Figure 12, Figure 13, Figure 14).
3, the track 10 of overpass bridge, track 4, track 15, track 5 are turned right curved through one 90 degree, just can move towards three branch line tracks 27 of southeast corner, 29,31.This direction is north-to-south direction 47.North-to-south direction 47 be with overpass bridge four direction track realize intercommunication must via steering direction.(Figure 15, Figure 16, Figure 17).
4, after three branch line tracks 28 of southeast corner, 30,32 intersect, change direction from east to west into, turn right curved through one again, just can be connected with track 5, track 13, track 1, the track 9 of overpass bridge, and the trend in these four tracks is respectively: eastwards, southwards, northwards, westwards.Therefore, from east to west direction 48 be with overpass bridge four direction track realize intercommunication must via steering direction.(Figure 15, Figure 16, Figure 17).
5, the track 11 of overpass bridge, track 2, track 13, track 8 are turned right curved through one 90 degree, just can move towards three branch line tracks 33, southwest corner, 35,37.This direction is direction 49 from east to west.From east to west direction 49 be with overpass bridge four direction track realize intercommunication must via steering direction.(Figure 18, Figure 19, Figure 20).
6, after three branch line tracks 34, southwest corner, 36,38 intersect, change direction from south to north into, turn right curved through one again, just can be connected with track 8, track 16, track 4, the track 12 of overpass bridge, and the trend in these four tracks is respectively: southwards, westwards, eastwards, northwards.Therefore, from south to north direction 50 be with overpass bridge four direction track realize intercommunication must via steering direction.(Figure 18, Figure 19, Figure 20).
7, the track 9 of overpass bridge, track 3, track 16, track 6 are turned right curved through one 90 degree, just can move towards three branch line tracks 39, northwest corner, 41,43.This direction is direction 51 from south to north.From south to north direction 51 be with overpass bridge four direction track realize intercommunication must via steering direction.(Figure 21, Figure 22, Figure 23).
8, after three branch line tracks 40, northwest corner, 42,44 intersect, change direction from west to east into, turn right curved through one again, just can be connected with track 6, track 14, track 2, the track 10 of overpass bridge, and the trend in these four tracks is respectively: westwards, northwards, southwards, eastwards.Therefore, from west to east direction 52 be with overpass bridge four direction track realize intercommunication must via steering direction.(Figure 21, Figure 22, Figure 23).
The tenth part: how the driver avoids is taken a wrong way
At first, the driver must know and will go to which floor: 7,8,9,10 at four layers, and 5,6,11,12 at three layers, and 3,4,13,14 at two layers, and 1,2,15,16 at one deck.Secondly, the driver must remember that passing overpass bridge will be followed the precedence of " four, three, two, one ", is four layers at first, secondly is three layers, is two layers then, is one deck at last.Go to three layers, must walk around four layers of up gradient earlier, enter three layers of ramp entrance then.Go to two layers, pass by the next door of four layers, three layers up gradient earlier, enter two layers of ramp entrance then.The 3rd, the driver will remember: the East and West direction direct lane is at two layers, and the north-south direct lane is at one deck.East and West direction tune track is at one deck, and tune track, north-south is at two layers.Also can remember like this: the north-south: one deck is kept straight on, and two layers of tune are turned right for three layers, turn left for four layers.East and West direction: one deck tune, two layers of craspedodrome are turned left for three layers, turn right for four layers.
Claims (10)
1. one kind three bridge floor four-layer structure overpass bridges is characterized in that: overpass bridge has four direct lanes, four sweeps of turning right, four sweeps of turning left, four tune tracks, four walkwaies; Overpass bridge is made up of one deck ground, two layers of bridge floor, three layers of bridge floor, four layers of bridge floor and ramp thereof; Wherein, one deck ground, two layers of bridge floor respectively have two direct lanes, two tune tracks, two walkwaies; Three layers of bridge floor and four layers of bridge floor respectively have two sweeps of turning right, two sweeps of turning left; The present invention both had been applicable to common crossroad, also was applicable to the crossroad or the multi-thread crossing that crosses that have branch line.
2. three bridge floor four-layer structure overpass bridges according to claim 1 is characterized in that: described one deck ground is provided with two north-south direct lanes, two tune tracks, two walkwaies; Described two north-south direct lanes are: direct lane and by north orientation south direct lane from south to north; Described two tune tracks are: eastwards tune track and westwards tune track more from west to east more from east to west; Article two, between the direct lane isolation strip is set, tune arranges the isolation strip between the track; Between the switch area in tune track and the walkway isolation strip is set; Described two walkwaies are the first row of channels and second walkway; Between walkway and the direct lane guardrail can be set, also can raise a step to the walkway, the walkway is separated with direct lane; Go to the wrong way for fear of the driver, forbid two East and West direction direct lanes are arranged on one deck ground.
3. three bridge floor four-layer structure overpass bridges according to claim 1 is characterized in that: described two layers of bridge floor and ramp thereof are provided with two East and West direction direct lanes, two tune tracks, two walkwaies; Described two East and West direction direct lanes are: direct lane and direct lane from east to west from west to east; Described two tune tracks are: tune track to the south and by northwards tune track again, north orientation south more from south to north; The both sides in two layers of ramp must arrange the track guardrail; Described two walkwaies are the 3rd walkway and four-player row of channels; Between two layers of walkway and the direct lane guardrail can be set, also can raise a step to the walkway, the walkway is separated with direct lane; For pedestrian's safety, the both sides of two layers of bridge floor must arrange the bridge floor guardrail; For the two layers of bridge floor up and down of the vehicle on four tracks, four ramps must be set, every ramp must arrange a ramp entrance and a ramp outlet; Four bridge piers that support two layers of bridge floor are arranged on below two layers of bridge floor, and the position is at four jiaos of bridge floor; Go to the wrong way for fear of the driver, forbid two north-south direct lanes are arranged on two layers of bridge floor.
4. three bridge floor four-layer structure overpass bridges according to claim 1 is characterized in that: described three layers of bridge floor and ramp thereof are provided with two 90 degree sweep, two 90 degree sweep of turning left of turning right; Described two the 90 degree sweeps of turning right are: by south east 90 degree turn right sweep 5, by the north west 90 degree sweep 6 of turning right; Described two the 90 degree sweeps of turning left are: by east orientation south 90 degree turn left sweep 11, by the west 90 degree sweep 12 of turning left northwards; The both sides of three layers of bridge floor must arrange the bridge floor guardrail; The both sides in three layers of ramp must arrange the track guardrail; On three layers of bridge floor, the sweep and turn right and between the sweep isolation strip will be set of turning left is turned left for two and also the isolation strip will be set between the sweep; For the three layers of bridge floor up and down of the vehicle on four tracks of turning round, four ramps must be set, every ramp must arrange a ramp entrance and a ramp outlet; Four bridge piers of supporting layer bridge floor are arranged on below three layers of bridge floor, and the position is at four jiaos of bridge floor.
5. three bridge floor four-layer structure overpass bridges according to claim 1 is characterized in that: described four layers of bridge floor and ramp thereof are provided with two 90 degree sweep, two 90 degree sweep of turning left of turning right; Described two the 90 degree sweeps of turning right are: by north east 90 degree turn right sweep 7, by the west south 90 degree sweep 8 of turning right; Described two the 90 degree sweeps of turning left are: by south orientation west 90 degree turn left sweep 9, by the north orientation east 90 degree sweep 10 of turning left; Driver via overpass bridge must remember " track 7,8,9,10 is at four layers " the words, otherwise will take a wrong way; The both sides of four layers of bridge floor must arrange the bridge floor guardrail; The both sides in four layers of ramp must arrange the track guardrail; On four layers of bridge floor, the sweep and turn right and between the sweep isolation strip will be set of turning left is turned left for two and also the isolation strip will be set between the sweep; For the four layers of bridge floor up and down of the vehicle on four tracks of turning round, four ramps must be set, every ramp must arrange a ramp entrance and a ramp outlet; Four bridge piers that support four layers of bridge floor are arranged on below four layers of bridge floor, and the position is at four jiaos of bridge floor; In order not have ice and snow with four layers of ramp winter on four layers of bridge floor, in order not have rainwater with four layers of ramp rainy day on four layers of bridge floor, the top in four layers of bridge floor and four layers of ramp must add the roof, and the roof must be more than 4.5 meters far from the plane, track.
6. three bridge floor four-layer structure overpass bridges according to claim 1, it is characterized in that: the described track matching method that turns round is: track 5, track 11 match, track 6, track 12 match, and track 7, track 10 match, and track 8, track 9 match; The described track grouping method that turns round is: track 5, track 6, track 11, track 12 are weaved into one group, and track 7, track 8, track 9, track 10 are weaved into one group; The structure of overpass bridge: one deck of overpass bridge, two layers, three layers, four layers bridge floor all are the cross shape structures; Three layers of ramp length are longer than two layers of ramp length, and four layers of ramp length are longer than three layers of ramp length.
7. according to described three the bridge floor four-layer structure overpass bridges of claim, it is characterized in that: in order to take precautions against the sloping accident of weighing down, the both sides in the both sides in the both sides in two layers of ramp, three layers of ramp, four layers of ramp, the track guardrail must be set, in order to take precautions against the accident of falling down from the bridge, the both sides of the both sides of two layers of bridge floor, three layers of bridge floor, the both sides of four layers of bridge floor must arrange the bridge floor guardrail; Guardrail must be fixed on the cement step, and step will be higher than the plane, track more than one meter, and step width will be at one meter more than five, and guardrail height must be about two meters; Article two, between the track isolation strip to be set; Isolation pile is fixed on the cement step, and the height of stake is more than one meter; The cement step of track guardrail and isolation strip has the track guide effect concurrently; For vehicle driving safety on the ramp, two layers of ramp, three layers of ramp, four layers of ramp near the exit, ramp, must arrange outgoing vehicles and put the district under taboo.
8. three bridge floor four-layer structure overpass bridges according to claim 1, it is characterized in that: separated interchange bridge or double-layer structure overpass bridge are reconstructed into three bridge floor four-layer structure overpass bridges, step is as follows: 1, on one deck ground two tune tracks, two walkwaies are set, keep original two direct lanes; 2, at two layers of bridge floor and ramp thereof two tune tracks, two walkwaies are set, keep original two direct lanes; 3, two 90 degree sweep of turning right is set, track 5,6, two 90 degree in track sweep of turning left, track 11, track 12 in three layers of bridge floor and ramp thereof; 4, two 90 degree sweep of turning right is set, track 7,8, two 90 degree in track sweep of turning left, track 9, track 10 in four layers of bridge floor and ramp thereof; 5, above four layers of bridge floor and four layers of ramp, add the roof.
9. three bridge floor four-layer structure overpass bridges according to claim 1, it is characterized in that: have crossroad or the multi-thread crossing that crosses of branch line, two tracks on the branch line are by once intersecting, just can realize intercommunication with the track of overpass bridge four direction, need not to arrange more track; Intercommunication not only can be realized with the four direction of overpass bridge in two tracks on the branch line, can also realize head end operation by the relevant track of overpass bridge; Track 7 be northeast corner branch line track realize head end operation must through the road; Track 5 be southeast corner branch line track realize head end operation must through the road; Track 8 be branch line track, southwest corner realize head end operation must through the road; Track 6 be branch line track, northwest corner realize head end operation must through the road.
10. three bridge floor four-layer structure overpass bridges according to claim 1 is characterized in that: two tracks on the branch line need through suitable turning to after intersecting, and can connect with the relevant track of overpass bridge; North-to-south direction and from west to east direction be three pairs of tracks of northeast corner branch line and overpass bridge four direction realize intercommunication must via steering direction; North-to-south direction and from east to west direction be three pairs of tracks of southeast corner branch line and overpass bridge four direction realize intercommunication must via steering direction; From east to west direction and from south to north direction be three pairs of tracks of southwest corner branch line and overpass bridge four direction realize intercommunication must via steering direction; From south to north direction and from west to east direction be three pairs of tracks of northwest corner branch line and overpass bridge four direction realize intercommunication must via steering direction.
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| CN107345382A (en) * | 2017-07-25 | 2017-11-14 | 李益安 | The bridge floor viaduct of crossroad three |
| CN107503255A (en) * | 2017-09-03 | 2017-12-22 | 李益安 | Four layers of crossroad viaduct |
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