CN207498760U - Viaduct - Google Patents

Abstract

The utility model provides a kind of viaduct, including cross one another longitudinal track and lateral track, longitudinal track includes the first ground track and the first bridge floor track, wherein, first ground track includes the first left changing lane and the second left changing lane into adjacent intersection, and the first bridge floor track includes the first crossing of connection first straight trip bridge opposite with the second crossing and track direction and the second straight trip bridge；Lateral track includes the first left-turn bridge, the second left-turn bridge and the third straight trip bridge for connecting third crossing and the 4th crossing and the 4th straight trip bridge, first left-turn bridge is connected at third crossing with third straight trip bridge, and the first left-turn bridge is connected at the second crossing with the first straight trip bridge；Second left-turn bridge is connected at the 4th crossing with the 4th straight trip bridge；Second left-turn bridge is connected at the first crossing with the second straight trip bridge.Above-mentioned viaduct is compact-sized, and floor space is small, and the first left changing lane and the second left changing lane are directly layed in ground, reduce difficulty of construction and construction cost.

Description

Viaduct

Technical field

The utility model is related to road construction design fields, especially design a kind of viaduct.

Background technology

The structure type of highway cross-over bridge is varied, and the structure type of especially road cross viaduct is even more thousand Become ten thousand to change, road cross viaduct built at present, in composition nothing more than separately or concurrently possessing one or more Vehicle straight trip round road of cross bridge, vehicle shape left turning overpass ring road, vehicle right-hand bend round road of cross bridge, head end operation row viaduct Bridge spiral shape ring road and viaduct loop ramp etc. above and below ring road, vehicle, various round road of cross bridge are at the parting of the ways with not similar shape Formula combines, and forms the various functions of vehicle and walk.

At present, in the various road cross viaducts being completed both at home and abroad, there is vehicle pass-through global function, i.e.,：It can Allow all directions sail come crossroad vehicle keep straight on simultaneously, turn left traveling and turn right traveling overpass at crossroads not It is more；And can realize that the viaduct of these functions is typically designed with toroid, when straight trip, needs to go around a semicircle circuit It sails on Through Lane or turning left to need just be able to travel to purpose track around arc link travel when driving, Such viaduct can usually cause the walking along the street of driver to perplex since design is complicated, influence people's trip and usage experience.And The more full overpass at crossroads of built function at present, all very big with respect to floor space, construction is also sufficiently complex, with As for building, quantities is big, and cost is high.

Therefore, it is necessary to design it is a kind of it is novel facilitate realize directly to turn left or turn right while realizing vehicle straight trip, And building quantity and the relatively small crossroad viaduct of building area.

Utility model content

The utility model provides a kind of viaduct, to solve the viaduct of crossroad in the prior art on straight trip, a left side Walking along the street is complicated and the technical issues of viaduct takes up a large area when turning or turning right.

The utility model provides a kind of viaduct, including cross one another longitudinal track and lateral track, longitudinal track packet Include the first ground track and the first bridge floor track, wherein, the first ground track include into adjacent intersection the first left changing lane and Second left changing lane, the first bridge floor track include connection the first crossing it is opposite with the second crossing and track direction first keep straight on bridge and Second straight trip bridge, the bridge floor terrain clearance of the first straight trip bridge are in first to rise after first rising in the range of the first crossing to the second crossing Downward trend afterwards；The bridge floor terrain clearance of second straight trip bridge is in first to rise after first rising in the range of the second crossing to the first crossing Downward trend afterwards；The bridge floor terrain clearance of the first straight trip bridge is less than the bridge floor terrain clearance of the second straight trip bridge at the first crossing； The bridge floor terrain clearance of the first straight trip bridge is higher than the bridge floor terrain clearance of the second straight trip bridge at the second crossing；

Lateral track includes the second bridge floor track, wherein, the second bridge floor track includes connection third crossing and the 4th crossing And the third straight trip bridge and the 4th straight trip bridge that track direction is opposite, the bridge floor terrain clearance of third straight trip bridge is from third crossing to the In downward trend after first rising in the range of four crossings；The bridge floor terrain clearance of 4th straight trip bridge is from the 4th crossing to third crossing model In downward trend after first rising in enclosing；

The bridge floor terrain clearance of third straight trip bridge is higher than the bridge floor terrain clearance of the 4th straight trip bridge at third crossing； The bridge floor terrain clearance of third straight trip bridge is less than the bridge floor terrain clearance of the 4th straight trip bridge at four crossings；

Second bridge floor track further includes the first left-turn bridge and the second left-turn bridge, and the first left-turn bridge is at third crossing and third Straight trip bridge is connected, and the first left-turn bridge is connected at the second crossing with the first straight trip bridge；Second left-turn bridge is at the 4th crossing It is connected with the 4th straight trip bridge；Second left-turn bridge is connected at the first crossing with the second straight trip bridge.

Further, the first ground track further includes the first right-hand rotation road at the first crossing of connection and the 4th crossing, connects the The second right-hand rotation road at four crossings and the second crossing connects the third right-hand rotation road at the second crossing and third crossing and connects third crossing With the 4th right-hand rotation road at the first crossing.

Further, the first left changing lane has part way to connect with the 4th right-hand rotation road, the second left changing lane and the second right-hand rotation road There is part way connection.

Further, first annular bridge and the second annular bridge are further included, wherein, the entrance and exit difference of first annular bridge It is connected with the first left-turn bridge and the first left changing lane；

The entrance and exit of second annular bridge connects respectively with the second left-turn bridge and the second left changing lane, first annular bridge and Second ring bridge bypasses above third straight trip bridge and the 4th straight trip bridge.

Further, longitudinal track further include lead the way into the first of the first crossing, lead the way into the second of the second crossing, The third for leaving the first crossing is led the way and is left the 4th of the second crossing and leads the way；

Lateral track, which is further included, leads the way into the 5th of third crossing, leads the way into the 6th of the 4th crossing, leaves third The 7th of crossing leads the way and leaves the 8th of the 4th crossing and lead the way；

First straight trip bridge, the first left changing lane, the first right-hand rotation road lead the way with first at the first crossing and are connected；

Second straight trip bridge, the second left-turn bridge, the 4th right-hand rotation road lead the way with third at the first crossing and are connected；

Second straight trip bridge, the second left changing lane, third right-hand rotation road lead the way with second at the second crossing and are connected；

First straight trip bridge, the first left-turn bridge, the second right-hand rotation road lead the way with the 4th at the second crossing and are connected；

4th straight trip bridge, the first left changing lane, third right-hand rotation road lead the way with the 7th at third crossing and are connected；

Third straight trip bridge, the first left-turn bridge, the 4th right-hand rotation road lead the way with the 5th at third crossing and are connected；

Third straight trip bridge, the second left changing lane, the first right-hand rotation road lead the way with the 8th at the 4th crossing and are connected；

4th straight trip bridge, the second left-turn bridge, the second right-hand rotation road lead the way with the 6th at the 4th crossing and are connected.

Further, it first leads the way to lead the way with third and is arranged in parallel；Second, which leads the way, leads the way with the 4th and is arranged in parallel；5th draws It leads the way and is arranged in parallel in road and the 7th；6th, which leads the way to lead the way with the 8th, is arranged in parallel.

Further, the radius of the first left changing lane and the second left changing lane is between 90 meters to 100 meters.

Further, the radius of the first left-turn bridge and the second left-turn bridge is between 90 meters to 100 meters.

Further, there is the identical liftoff height of bridge floor with the second straight trip bridge in the straight trip bridge of viaduct center position first Degree.

Viaduct provided by the utility model so that the vehicle positioned at arbitrary crossing can realize directly straight trip and directly a left side Turn, and each through vehicles and left turning vehicle are independent of each other, crossing carries out vehicle pass-through control without using traffic lights, reduces road Face congestion, improves out line efficiency, the expense expenditure in terms of traffic administration is saved, simultaneously as when realizing straight and turning left Need not detour, directly the first crossing enter first straight trip bridge straight trip or can (its into the first left changing lane at the first crossing His crossing is similarly), reduce the problem of existing Blind Points in Design of Grade Separation complexity causes driver's walking along the street to perplex, improve user experience. In addition, the viaduct in the utility model is compact-sized, floor space is smaller, and the first left changing lane and the second left changing lane are direct Ground is layed in, further reduces difficulty of construction and construction cost.

Description of the drawings

The utility model will be hereinafter described in more detail based on embodiment and refer to the attached drawing.Wherein：

Fig. 1 is the structure diagram of viaduct that the utility model embodiment one provides；

Fig. 2 is another structure diagram of viaduct that the utility model embodiment one provides；

Fig. 3 is the structure diagram of viaduct that the utility model embodiment two provides；

Fig. 4 is the structure diagram of viaduct that the utility model embodiment three provides；

Fig. 5 is another structure diagram of viaduct that the utility model embodiment three provides.

Reference numeral：

1：First left changing lane；2：Second left changing lane；3：First crossing；4：Second crossing；5：First straight trip bridge；6：Second is straight Row bridge；7：Third crossing；8：4th crossing；9：Third straight trip bridge；10：4th straight trip bridge；11：First left-turn bridge；12：Second is left Turn bridge；13：First right-hand rotation road；14：Second right-hand rotation road； 15：Third right-hand rotation road；16：4th right-hand rotation road；17：First annular bridge； 18：Second annular bridge；19：First leads the way；20：Second leads the way；21：Third is led the way；22：4th leads the way；23：5th leads the way；24： 6th leads the way；25：7th leads the way；26：8th leads the way；27：Third annular bridge；28：Fourth annular bridge；29：Pavement；30：Slowly Row of channels.

In the accompanying drawings, identical component uses identical reference numeral.Attached drawing is not drawn according to practical ratio.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts The all other embodiment obtained, shall fall within the protection scope of the present invention.

Embodiment one

Fig. 1 is the structure diagram of viaduct that the utility model embodiment provides, as shown in Figure 1, the present embodiment provides A kind of viaduct, including：Cross one another longitudinal direction track and lateral track, the viaduct in the present embodiment are preferred for four crossway Mouthful, the track for connecting opposite crossing is respectively longitudinal track and lateral track.Longitudinal track intersects but simultaneously with lateral track It is not attached to lead to.

Longitudinal track includes the first ground track and the first bridge floor track, and the first ground track is laid immediately on ground Track, the first bridge floor track needs the overhead track for being lifted away from ground or needs the are holed track passed through from underground, Wherein, the first ground track includes the first left changing lane 1 and the second left changing lane 2 into adjacent intersection, the first left changing lane 1 and second The radius of left changing lane 2 is between 90 meters to 100 meters, preferably 95 meters.It can reach in the vehicle speed of the first left changing lane 1 traveling More than 40km/h, the first left changing lane 1 of large radius also allow for overlength lorry and pass through, such as the reinforcement lorry of transport car leads to Row.Similarly, the radius of the first left-turn bridge 11 and the second left-turn bridge 12 is between 90 meters to 100 meters, preferably 95 meters, in order to super Long lorry passes through.

First bridge floor track include connection the first crossing 3 it is opposite with the second crossing 4 and track direction first keep straight on bridge 5 and Second straight trip bridge 6, the first straight trip bridge 5 and second bridge 6 of keeping straight on is unidirectional track, the bridge floor terrain clearance of the first straight trip bridge 5 from Refer to bridge floor from road surface (road in downward trend after first rising, bridge floor terrain clearance in the range of first the 3 to the second crossing of crossing 4 Face is the level road for being laid in earth's surface) height；The bridge floor terrain clearance of second straight trip bridge 6 is from the second crossing 4 to the first via In downward trend after first rising in the range of mouth 3；The bridge floor terrain clearance of first straight trip bridge 5 is straight less than second at the first crossing 3 The bridge floor terrain clearance of row bridge 6；The bridge floor terrain clearance of first straight trip bridge 5 is higher than the bridge of the second straight trip bridge 6 at the second crossing 4 Face terrain clearance.First straight trip bridge 5 intersects at the first crossing 3 and the second crossing 4 with the second straight trip bridge 6 and does not connect, i.e., At the first crossing 3, the second straight trip bridge 6 is located at the first straight trip bridge 5 top, and at the second crossing 4, the second straight trip bridge 6 is located at the One straight trip bridge, 5 lower section.

Lateral track includes the second bridge floor track, wherein, the second bridge floor track includes connection third crossing 7 and the 4th crossing 8 and the opposite third straight trip bridge 9 and the 4th of track direction keep straight on bridge 10, the bridge floor terrain clearance of third straight trip bridge 9 is from third road In downward trend after first rising in the range of the 7 to the 4th crossing 8 of mouth；The bridge floor terrain clearance of 4th straight trip bridge 10 is from the 4th crossing 8 In downward trend after first rising in the range of to third crossing 7；The bridge floor terrain clearance of third straight trip bridge 9 is high at third crossing 7 In the bridge floor terrain clearance of the 4th straight trip bridge 10；The bridge floor terrain clearance of third straight trip bridge 9 is straight less than the 4th at the 4th crossing 8 The bridge floor terrain clearance of row bridge 10；Third straight trip bridge 9 intersects with the 4th straight trip bridge 10 at 7 and the 4th crossing 8 of third crossing And do not connect, i.e., at third crossing 7, third straight trip bridge 9 is located at 10 top of the 4th straight trip bridge, and at the 4th crossing 8, third is straight Row bridge 9 is located at 10 lower section of the 4th straight trip bridge.

The first straight trip straight trip of bridge 5, second bridge 6, the upright projection of the third straight trip straight trip of bridge 9 and the 4th bridge 10 on the ground are in Arc, and the first straight trip bridge 5 intersects with the second straight trip bridge 6 at the first crossing 3 and the second crossing 4, third are kept straight on bridge 9 and the Four straight trip bridges 10 are intersecting at 7 and the 4th crossing 8 of third crossing.

The third straight trip straight trip bridge 10 of bridge 9 and the 4th both may be disposed on ground, may also set up (i.e. logical in underground Cross and build tunnel to realize), it does not limit herein.

Further, it is liftoff with identical bridge floor with the second straight trip bridge 6 in the straight trip bridge 5 of viaduct center position first Highly.Likewise, there is the identical liftoff height of bridge floor with the 4th straight trip bridge 10 in viaduct center position third straight trip bridge 9 Degree.

It keeps straight in the bridge floor terrain clearance of the straight trip straight trip bridge 6 of bridge 5 and second of viaduct center position first higher than third The height of the straight trip bridge 10 of bridge 9 and the 4th, i.e., it is straight that the first straight trip straight trip bridge 6 of bridge 5 and second is erected at third straight trip bridge 9 and the 4th On row bridge 10, to be independent of each other towards the vehicle that all directions travel.

Second bridge floor track further includes the first left-turn bridge 11 and the second left-turn bridge 12, and the first left-turn bridge 11 is at third crossing 7 Place is connected with third straight trip bridge 9, and the first left-turn bridge 11 is connected at the second crossing 4 with the first straight trip bridge 5；Second turns left Bridge 12 at the 4th crossing 8 with the 4th straight trip bridge 10 be connected, the second left-turn bridge 12 at the first crossing 3 with second straight trip bridge 6 It is connected.

Viaduct in the present embodiment, the vehicle positioned at arbitrary crossing can realize directly straight trip and directly left-hand rotation, and Each through vehicles and left turning vehicle are independent of each other, and crossing carries out vehicle pass-through control without using traffic lights, reduces road surface and gathers around It is stifled, line efficiency is improved out, the expense expenditure in terms of traffic administration is saved, simultaneously as need not when realizing straight and turning left It detours, directly keeping straight on into the first straight trip bridge 5 at the first crossing 3 or enter the first left changing lane 1 at the first crossing 3 can (its His crossing is similarly), reduce the problem of existing Blind Points in Design of Grade Separation complexity causes driver's walking along the street to perplex, improve user experience. In addition, the viaduct in the present embodiment is compact-sized, floor space is smaller, and the first left changing lane 1 and the second left changing lane 2 are directly Ground is layed in, further reduces difficulty of construction and construction cost.

In one specific embodiment of the utility model, the first ground track further includes the first crossing 3 of connection and the 4th tunnel First right-hand rotation road 13 of mouth 8, connects the second crossing 4 and third at the second right-hand rotation road 14 at the 4th crossing 8 of connection and the second crossing 4 The third right-hand rotation road 15 at crossing 7 and the 4th right-hand rotation road 16 at connection third crossing 7 and the first crossing 3.I.e. in the present embodiment, position Vehicle in arbitrary crossing can not only realize directly straight trip and directly turn left, moreover it is possible to realize and directly turn right, and one way or another row The vehicle sailed is independent of each other, and further reduces roadway congestion, improves out line efficiency.

In the utility model another specific embodiment, longitudinal track further include lead the way into the first of the first crossing 3, The third for lead the way 20 into the second of the second crossing 4, leaving the first crossing 3 leads the way and 21 and leaves the 4th of the second crossing 4 and lead the way 22；First, which leads the way, leads the way with third and 21 is arranged in parallel, and not can connect, and it 21 is unidirectional that first leads the way leads the way with third Track.First leads the way including left turn lane, Through Lane and right-turn lane, and according to line direction before track from left to right successively For left turn lane, Through Lane and right-turn lane.Second, which leads the way, 20 to the 8th leads the way and 26 is respectively provided with and leads the way an identical left side with first It changes trains or buses, Through Lane and right-turn lane arrangement mode.First, which leads the way to the 8th to lead the way, 26 is laid on the ground.

Lateral track further includes and leads the way 23 into the 5th of third crossing 7, lead the way 24 into the 6th of the 4th crossing 8, from It opens the 7th of third crossing 7 and leads the way and 25 and leave the 8th of the 4th crossing 8 and lead the way 26；First straight trip bridge 5, the first left changing lane 1, the One right-hand rotation road 13 is led the way at the first crossing 3 with first to be connected；Second straight trip bridge 6, the second left-turn bridge 12, the 4th right-hand rotation road 16 It leads the way with third and 21 is connected at the first crossing 3；Second straight trip bridge 6, the second left changing lane 2, third right-hand rotation road 15 are on the second tunnel It leads the way with second and 20 is connected at mouthfuls 4；First straight trip bridge 5, the first left-turn bridge 11, the second right-hand rotation road 14 at the second crossing 4 with 4th, which leads the way, 22 is connected；4th straight trip bridge 10, the first left changing lane 1, third right-hand rotation road 15 are led the way at third crossing 7 with the 7th 25 are connected；Third straight trip bridge 9, the first left-turn bridge 11, the 4th right-hand rotation road 16 are led the way at third crossing 7 with the 5th 23 to be connected It is logical；Third straight trip bridge 9, the second left changing lane 2, the first right-hand rotation road 13 are led the way at the 4th crossing 8 with the 8th 26 to be connected；4th is straight Row bridge 10, the second left-turn bridge 12, the second right-hand rotation road 14 are led the way at the 4th crossing 8 with the 6th 24 to be connected.

Further, it first leads the way to lead the way with third and 21 is arranged in parallel；Second, which leads the way, 20 leads the way with the 4th and 22 parallel sets It puts；5th, which leads the way, 23 and the 7th leads the way and 25 is arranged in parallel；6th, which leads the way, 24 and the 8th leads the way and 26 is arranged in parallel.

In the present embodiment, the vehicle on respectively leading the way is travelled, it can be according to the demand of oneself, including turning left, keeping straight on and right Turn, travel and vehicle of the traveling on left turn lane can be realized on corresponding track directly turn left, travel on Through Lane Vehicle still keep straight on, the vehicle travelled on right-turn lane is directly turned right so that the driving process on viaduct is simply bright And it is quick, substantially increase vehicle pass-through efficiency and user experience.

Meanwhile the design method of above-mentioned viaduct, achieve that system-wide mouth using the land used of level crossing and right-hand rotation chamfering Viaduct land used is greatly saved in intercommunication, improves and builds implementing for the viaduct in the crossroad of some area stenosis Property.

Further, it is as shown in Fig. 2, right in the first right-hand rotation road 13, the second right-hand rotation road 14, third right-hand rotation road 15 and the 4th Make a detour 16 side of separate viaduct is both provided with pavement 29.It is set on the pavement 29 of each adjacent intersection middle position The entrance and exit for channel 30 of going slowly is equipped with, channel 30 of going slowly is preferably set to underpass, and channel 30 of going slowly is set as double-Y shaped Channel so that can any one pavement be entered by 30 entrance and exit of channel of going slowly from the pedestrian on arbitrary pavement 29 On 29, and without waiting for traffic lights, realize that crossroad pedestrian and the noiseless of vehicle pass through, further alleviate traffic and pass through Pressure reduces traffic accident.

Embodiment two

As shown in figure 3, in the utility model another specific embodiment, on the basis of embodiment one, first turns left Road 1 has part way to connect with the 4th right-hand rotation road 16, and the second left changing lane 2 has part way to connect with the second right-hand rotation road 14.So that The vehicle travelled on the first left changing lane 1 can enter the 4th right-hand rotation road 16 by the part connected with the 4th right-hand rotation road 16, so as to Realize that vehicle turns around to travel go back to the first crossing 3；Or the vehicle travelled on the 4th right-hand rotation road 16 can by with the first left changing lane 1 The part of connection enters the first left changing lane 1, turns around to travel go back to third crossing 7 so as to fulfill vehicle.

Similarly, can the second tunnel be sailed back by the part connected with the second right-hand rotation road 14 in the vehicle of the second left changing lane 2 traveling Mouth 4 or the vehicle travelled on the second right-hand rotation road 14 can sail go back to the 4th crossing 8 by the part connected with the second left changing lane 2.

Since the first left changing lane 1, the second left changing lane 2, the second right-hand rotation road 14 and the 4th right-hand rotation road 16 are laid on the ground, Therefore the first left changing lane 1 with 16 part of the 4th right-hand rotation road is connected, connects the second left changing lane 2 simultaneously with 14 part of the second right-hand rotation road The cost expenditure of overspending is not needed to, land for building is occupied, and such realization method is simple and effective, further carries without additional High user experience.

Embodiment three

As shown in figure 4, in one specific embodiment of the utility model, on the basis of embodiment one, viaduct also wraps Include first annular bridge 17, the second annular bridge 18, third annular bridge 27 and fourth annular bridge 28.Wherein, first annular bridge 17 enters Mouth and outlet connect respectively with the first left-turn bridge 11 and the first left changing lane 1, and first annular bridge 17 is straight from third straight trip bridge 9 and the 4th 10 top of row bridge bypasses；The entrance and exit of second annular bridge 18 connects respectively with the second left-turn bridge 12 and the second left changing lane 2；The The entrance and exit of three annular bridges 27 connects respectively with the first left changing lane 1 and the second left-turn bridge 12, the entrance of fourth annular bridge 28 It is connected respectively with the second left changing lane 2 and the first left-turn bridge 11 with outlet；First annular 17 and second annular bridge 18 of bridge is from third 10 top of the straight trip straight trip of bridge 9 and the 4th bridge bypasses；Third annular bridge 27 and fourth annular bridge 28 are from the first straight trip bridge 5 and second 6 lower section of straight trip bridge bypasses.

First annular bridge 17 can make the vehicle that traveling is led the way the 5th on 23 lead the way 25 travelings into the 7th, so as to fulfill tune Head traveling, similarly, the second annular bridge 18 can make the vehicle that traveling is led the way the 6th on 24 lead the way 26 travelings into the 8th, third ring Shape bridge 27 may be such that the vehicle led the way first of traveling enters third and leads the way 21 travelings, and fourth annular bridge 28 may be such that traveling exists Second vehicle led the way on 20 is led the way 22 travelings into the 4th.

In the utility model another specific embodiment, on the basis of embodiment two, viaduct further includes the first ring 17 and second annular bridge 18 of shape bridge, wherein, the entrance and exit of first annular bridge 17 is left with the first left-turn bridge 11 and first respectively It makes a detour 1 connection, first annular bridge 17 is kept straight on from third straight trip bridge 9 and the 4th and bypassed above bridge 10；The entrance of second annular bridge 18 It is connected respectively with the second left-turn bridge 12 and the second left changing lane 2 with outlet, the second annular bridge 18 is kept straight on from third straight trip bridge 9 and the 4th 10 top of bridge bypasses.

First annular bridge 17 can make the vehicle that traveling is led the way the 5th on 23 lead the way 25 travelings into the 7th, so as to fulfill tune Head traveling, similarly, the second annular bridge 18 can make the vehicle that traveling is led the way the 6th on 24 lead the way 26 travelings into the 8th.

In the utility model another specific embodiment, as shown in figure 5, on the basis of embodiment two, viaduct is also Including third annular bridge 27 and fourth annular bridge 28.Wherein, the entrance and exit of third annular bridge 27 respectively with the first left changing lane 1 It is connected with the second left-turn bridge 12, the entrance and exit of fourth annular bridge 28 connects respectively with the second left changing lane 2 and the first left-turn bridge 11 It is logical；Third annular bridge 27 and fourth annular bridge 28 are bypassed from 6 lower section of the first straight trip straight trip of bridge 5 and second bridge.

Third annular bridge 27 may be such that the vehicle led the way first of traveling enters third and leads the way 21 travelings, fourth annular bridge 28 It may be such that vehicle that traveling leads the way second on 20 is led the way 22 travelings into the 4th.

It should be understood that embodiment disclosed in the utility model is not limited to specific structure disclosed herein, processing Step or material, and the equivalent substitute for these features that those of ordinary skill in the related art are understood should be extended to.Should also When understanding, term as used herein is used only for the purpose of describing specific embodiments, and is not intended to limit.

" one embodiment " or " embodiment " mentioned in specification means the special characteristic described in conjunction with the embodiments, structure Or characteristic is included at least one embodiment of the utility model.Therefore, the phrase " one that specification various places throughout occurs A embodiment " or " embodiment " might not refer both to same embodiment.

In addition, described feature, structure or characteristic can be attached to one or more in fact in any other suitable manner It applies in example.In above description, some concrete details, such as material etc., to provide the implementation to the utility model are provided The comprehensive understanding of example.However, those skilled in the relevant art are readily apparent that, the utility model is without said one or multiple specific The realizations such as other methods, component, material can be realized or be can also be used to details.In other examples, known structure, material Material or operation are not shown or described in detail in order to avoid obscuring the various aspects of the utility model.

Although above-mentioned example is for illustrating principle of the utility model in one or more application, for this field For technical staff, in the case of the principle and thought without departing substantially from the utility model, hence it is evident that can in form, usage and reality Various modifications may be made in the details applied and does not have to make the creative labor.Therefore, the utility model by appended claims Lai It limits.

Claims (9)

1. a kind of viaduct, which is characterized in that including：Cross one another longitudinal direction track and lateral track, longitudinal direction track packet The first ground track and the first bridge floor track are included, wherein, first ground track includes turning left into the first of adjacent intersection Road (1) and the second left changing lane (2), the first bridge floor track include connection the first crossing (3) and the second crossing (4) and track side To opposite first straight trip bridge (5) and the second straight trip bridge (6), described first keep straight on bridge (5) bridge floor terrain clearance from the first via In downward trend after first rising in the range of mouth (3) to the second crossing (4)；It is described second straight trip bridge (6) bridge floor terrain clearance from In downward trend after first rising in the range of second crossing (4) to the first crossing (3)；Described first at first crossing (3) The bridge floor terrain clearance of straight trip bridge (5) is less than the bridge floor terrain clearance of the described second straight trip bridge (6)；In second crossing (4) Locate bridge floor terrain clearance of the bridge floor terrain clearance higher than the described second straight trip bridge (6) of the first straight trip bridge (5)；

The transverse direction track includes the second bridge floor track, wherein, the second bridge floor track includes connection third crossing (7) and the Four crossings (8) and the opposite third straight trip bridge (9) and the 4th straight trip bridge (10) of track direction, the third are kept straight on the bridge of bridge (9) Face terrain clearance is in the range of third crossing (7) to the 4th crossing (8) in downward trend after first rising；The 4th straight trip bridge (10) bridge floor terrain clearance is in the range of the 4th crossing (8) to third crossing (7) in downward trend after first rising；

The bridge floor terrain clearance of the third straight trip bridge (9) is higher than the described 4th straight trip bridge (10) at the third crossing (7) Bridge floor terrain clearance；The bridge floor terrain clearance of the third straight trip bridge (9) is less than the described 4th at the 4th crossing (8) The bridge floor terrain clearance of straight trip bridge (10)；

The second bridge floor track further includes the first left-turn bridge (11) and the second left-turn bridge (12), and first left-turn bridge (11) exists It is connected at the third crossing (7) with third straight trip bridge (9), first left-turn bridge (11) is at second crossing (4) it is connected at the described first straight trip bridge (5)；Second left-turn bridge (12) is at the 4th crossing (8) with described the Four straight trip bridges (10) are connected；Second left-turn bridge (12) at first crossing (3) with described second straight trip bridge (6) phase Connection.

2. viaduct according to claim 1, which is characterized in that first ground track further includes connection described first First right-hand rotation road (13) of crossing (3) and the 4th crossing (8) connects the 4th crossing (8) and second crossing (4) The second right-hand rotation road (14), connection second crossing (4) and the third crossing (7) third right-hand rotation road (15) and connect institute State the 4th right-hand rotation road (16) at third crossing (7) and first crossing (3).

3. viaduct according to claim 2, which is characterized in that first left changing lane (1) and the 4th right-hand rotation road (16) there is part way connection, second left changing lane (2) has part way to connect with the second right-hand rotation road (14).

4. viaduct according to claim 3, which is characterized in that further include first annular bridge (17) and the second annular bridge (18), wherein, the entrance and exit of the first annular bridge (17) respectively with first left-turn bridge (11) and described first left Make a detour (1) connection；

The entrance and exit of second annular bridge (18) respectively with second left-turn bridge (12) and second left changing lane (2) Connection, the first annular bridge (17) and second annular bridge (18) keep straight on bridge (9) and the described 4th directly from the third It is bypassed above row bridge (10).

5. viaduct according to claim 2, which is characterized in that the longitudinal direction track is further included into first crossing (3) first is led the way (19), the third for first crossing (3) of leading the way (20), leave into the second of second crossing (4) The 4th for leading the way (21) and leaving second crossing (4) leads the way (22)；

The transverse direction track further includes into the 5th the leading the way (23) of the third crossing (7), into the 4th crossing (8) It 6th leads the way (24), leave the 7th of the third crossing (7) and lead the way (25) and leave the 8th of the 4th crossing (8) and lead the way (26)；

The first straight trip bridge (5), first left changing lane (1), the first right-hand rotation road (13) are at first crossing (3) With described first lead the way (19) be connected；

The second straight trip bridge (6), second left-turn bridge (12), the 4th right-hand rotation road (16) are in first crossing (3) Place lead the way with the third (21) be connected；

The second straight trip bridge (6), second left changing lane (2), the third right-hand rotation road (15) are at second crossing (4) With described second lead the way (20) be connected；

The first straight trip bridge (5), first left-turn bridge (11), the second right-hand rotation road (14) are in second crossing (4) Place with the described 4th lead the way (22) be connected；

The 4th straight trip bridge (10), first left changing lane (1), the third right-hand rotation road (15) are in the third crossing (7) Place with the described 7th lead the way (25) be connected；

The third straight trip bridge (9), first left-turn bridge (11), the 4th right-hand rotation road (16) are in the third crossing (7) Place with the described 5th lead the way (23) be connected；

The third straight trip bridge (9), second left changing lane (2), the first right-hand rotation road (13) are at the 4th crossing (8) With the described 8th lead the way (26) be connected；

The 4th straight trip bridge (10), second left-turn bridge (12), the second right-hand rotation road (14) are in the 4th crossing (8) Place with the described 6th lead the way (24) be connected.

6. viaduct according to claim 5, which is characterized in that described first lead the way (19) lead the way with third (21) it is parallel Setting；Described second lead the way (20) and the 4th lead the way (22) be arranged in parallel；Described 5th lead the way (23) and the 7th lead the way (25) it is flat Row setting；Described 6th lead the way (24) and the 8th lead the way (26) be arranged in parallel.

7. according to the viaduct described in any one of claim 1-6, which is characterized in that first left changing lane (1) and described The radius of second left changing lane (2) is between 90 meters to 100 meters.

8. according to the viaduct described in any one of claim 1-6, which is characterized in that first left-turn bridge (11) and described The radius of second left-turn bridge (12) is between 90 meters to 100 meters.

9. according to the viaduct described in any one of claim 1-6, which is characterized in that described in viaduct center position One straight trip bridge (5) has identical bridge floor terrain clearance with the described second straight trip bridge (6).