CN109098056A - A kind of high-intelligentization interchange system and design method - Google Patents
A kind of high-intelligentization interchange system and design method Download PDFInfo
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- CN109098056A CN109098056A CN201811086204.6A CN201811086204A CN109098056A CN 109098056 A CN109098056 A CN 109098056A CN 201811086204 A CN201811086204 A CN 201811086204A CN 109098056 A CN109098056 A CN 109098056A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
- E01C1/002—Design or lay-out of roads, e.g. street systems, cross-sections ; Design for noise abatement, e.g. sunken road
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
- E01C1/04—Road crossings on different levels; Interconnections between roads on different levels
Abstract
The invention discloses a kind of high-intelligentization interchange systems, including from bottom to up successively including ground usual friendship layer, traffic main line layer and bridge cross-level, it is equipped with several branches between traffic main line layer and bridge cross-level and contacts ring road, and left turn lane of branch's connection ring road as traffic main line layer；A kind of high-intelligentization interchange design method, include the following steps: S100, by function status and effect of the analysis interchange in urban road network, category of roads, status landform and land used these restrictive conditions, predicting traffic flow amount selects suitable interchange pattern；S200, both interchange schemes are evaluated respectively by traffic flow analysis, making two kinds of interchange schemes, and using Field Using Fuzzy Comprehensive Assessment；S300, a kind of interchange scheme is selected, rationally determines the installation position of interchange in the program, and total arrangement planning is carried out to it, ensure that the interchange scheme plays bigger effect in road network.
Description
Technical field
The present invention relates to interchange planning and designing technical field, specially a kind of high-intelligentization interchange system and set
Meter method.
Background technique
With rapid urban, the volume of traffic it is growing day by day, on expressway around city road and expressway, expressway and trunk roads
Traffic design in, in order to meet the service speed of road application, guarantee that traffic is expeditiously collecting and distributing, generally require using intercommunication
The mode of grade separation, interchange are one of the indispensable component part of highway and the important structure of highway,
Very important effect is played in whole highway, interchange technology is complicated, and it is various informative, it takes up a large area, cost is high,
The superiority and inferiority of design scheme pacifies the industrial grade for directly influencing engineering, investment, benefit, the height of service level and driving
Entirely, it so, before carrying out interchange construction, needs to carry out evaluation analysis to interchange scheme, judges the interchange
Whether scheme can play a greater role in the road network, meanwhile, subsequent discovery Interchange Scheme Shortcomings are avoided, are carried out more
The trouble changed causes bigger construction cost, currently, it is also fairly simple for the analysis of interchange scheme, it is generally only pair
The magnitude of traffic flow and geographical conditions carry out simple analysis processing, and the depth of Chang Yinwei analysis not enough causes interchange rear
There are some problems in the continuous course of work, such as, spacing between interchange is unreasonable, left turn lane vehicle be easy with
The problems such as vehicle of Through Lane collides, there are blind areas；
Furthermore existing common interchange is usually that slow-moving traffic stream and car lane are arranged in same level,
Due to the presence of slow-moving traffic stream, often make the speed of the vehicle driving on car lane slower, but also will increase traffic peace
The probability that full accident occurs, it cannot be guaranteed that normally travel of the vehicle on the interchange.
Summary of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of high-intelligentization interchange system and design side
Method can carry out than choosing a variety of interchange schemes of formulation, it is the most suitable to select before determining construction interchange
A kind of interchange scheme, and implement according to the program, to play preferably effect, and it can effectively solve that background technique mentions
Out the problem of.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of high-intelligentization interchange system, from bottom to up successively include ground usual friendship layer, traffic main line layer and across
Bridge cross-level, be additionally provided between the traffic main line layer and bridge cross-level it is several for realizing road intercommunication and dispersion hand over
The branch of through-flow function contacts ring road, and left turn lane of the branch connection ring road as traffic main line layer.
Further, the ground usual friendship layer includes intermediate two non-motorized lanes for going slowly round-trip and is arranged in non-machine
The pavement of motor-car road side is additionally provided with level-one greenbelt, two non-motorized lanes between the pavement and road tooth
Between be also evenly arranged with several fences, there are turning gaps between the two neighboring fence, and are provided with two above fence
Grade greenbelt.
Further, the vehicle travelled on the non-motorized lane includes bicycle, tricycle, electric bicycle, deformity
The width of people's combustion-motor-driven wheelchairs and animal-drawn vehicle, and at least two lanes on non-motorized lane, every lane is not less than 1.5m, institute
Pavement is stated from non-motorized lane using different road surface mechanisms, and the height on pavement is higher than the height of non-motorized lane.
Further, the traffic main line layer include the main traffic runner of grade separation and it is several for realizing with other path connecteds
Intercommunication drawing lines, and the main traffic runner of the grade separation include keep straight on main stem and be separately positioned on straight trip main stem two sides several right sides
It changes trains or buses, the right-turn lane is connected with corresponding intercommunication drawing lines.
Further, the bridge cross-level includes several intersection lanes, and described intersection lane one end and branch contact circle
Road connection, the other end and other path connecteds.
A kind of high-intelligentization interchange design method, includes the following steps:
S100, pass through function status and effect of the analysis interchange in urban road network, category of roads, status
Shape and land used these restrictive conditions, predicting traffic flow amount select suitable interchange pattern；
S200, by the further analysis to the magnitude of traffic flow, tentatively make two kinds of interchange schemes, and using fuzzy
Comprehensive evaluation respectively evaluates both interchange schemes；
S300, it is selected by the ratio of two kinds of interchange schemes, final choice one of which interchange scheme rationally determines
The installation position of interchange in the program, and total arrangement planning is carried out to it.
Further, interchange pattern has tubaeform, diamond shape, orientation Y shape and directional type hinge in the step S100.
Further, the prediction of the magnitude of traffic flow further includes following steps in the step S100:
S101, according to the communications and transportation status of locality and the development characteristic of periphery economic environment, in conjunction with government pair
The policy series factor in the region comprehensively considers the state of development for predicting its future transportation；
The position that S102, clear interchange are played the part of in whole traffic, the traffic flow that analysis interchange is on active service
Amount.
Further, in the step S200, Field Using Fuzzy Comprehensive Assessment further includes as follows to the evaluation of interchange scheme
Step:
S201, it determines evaluation index, establishes evaluation index property set, n evaluation index, evaluation index={ evaluation index
1, evaluation index 2 ..., evaluation index n }, and quantization modulation processing is carried out to each evaluation index；
The weight of S202, Calculation Estimation index, on the basis of determining evaluation index initial weight using rough set method,
In conjunction with expert investigation table, the weight of evaluation index, weight=(a of evaluation index are obtained with arithmetic mean method1, a2..., an) most
Afterwards, according to normalization principle,
The comprehensive evaluation analysis of S203, interchange scheme are based on step S201 and step S202, using arithmetic mean method
Quantitative analysis is carried out to two kinds of interchange schemes respectively.
Further, in the step S300, total arrangement planning include line arrangement, horizontal alignment, vertical alignment and
Intersection pattern, wherein line arrangement further includes following steps:
S301, according to traffic flow situation, determine the main traffic flow of grade separation；
S302, pass through Reasonable Arrangement grade separation level, each ring road cross reference, and reasonable set interchange spacing are set.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention is made up of the intercommunication of three-decker up and down ground usual friendship layer, traffic main line layer and bridge cross-level
Grade separation, on the one hand, the layering traveling for realizing mixed traffic flow has slow-moving traffic stream (non-motor vehicle and pedestrian) with motor vehicle
Effect separation greatly reduces a possibility that traffic accidents occur while improving vehicle running speed；Another party
Face slows down rush hour or other heavy traffic periods by the way that the mixed traffic flow on interchange is distinguished traveling
Traffic problems, traffic traveling of effectively having releived reduces traffic blocking problem, ensure that traffic normal reliable is run；
(2) present invention carries out than choosing interchange scheme by using Field Using Fuzzy Comprehensive Assessment, it is determined that the most suitable
Interchange scheme, avoid the subsequent change to interchange scheme, and ensure that the interchange scheme of selection in road
It can play in net and more preferably act on.
Detailed description of the invention
Fig. 1 is that branch of the invention contacts ring road overlooking structure diagram；
Fig. 2 is ground usual friendship layer overlooking structure diagram of the invention.
Figure label:
The ground 1- usual friendship layer；2- traffic main line layer；3- bridge cross-level；4- branch contacts ring road；5- drainage channel；
101- non-motorized lane；The pavement 102-；103- level-one greenbelt；104- fence；105- turning gap；106- bis-
Grade greenbelt；
The main traffic runner of 201- grade separation；202- intercommunication drawing lines；
2011- straight trip main stem；2012- right-turn lane；
301- intersects lane.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the present embodiment, as depicted in figs. 1 and 2, the present invention provides a kind of high-intelligentization interchange system, from
Under it is supreme successively include that ground usual friendship layer 1, traffic main line layer 2 and bridge cross-level 3, interchange will not only realize motor vehicle
Passage, it is also necessary to the characteristics of considering city mixed flow fully consider the passage of non-motor vehicle and pedestrian, if will
Slow-moving traffic is used to be arranged in same level with car lane, it may appear that slow-moving traffic detour distance, non-motor vehicle climbing
The problems such as difficult, and a possibility that traffic accident occurs is increased, by being supplied to slow-moving traffic stream and motor-driven in the present invention
The lane of vehicle layering traveling, on the one hand, traffic obstacle of having releived significantly, traffic caused by avoiding peak period traffic pressure big are stifled
Plug；On the other hand, traffic safety is effectively enhanced, and above-mentioned slow-moving traffic detour distance, non-motor vehicle climbing can be solved
The problems such as difficult, the setting of ground usual friendship layer 1 can either provide non power driven vehicle and the passage of pedestrian, and effectively classify
Mixed traffic flow, and then improve travel speed of the motor vehicles on traffic main line layer 2 and bridge cross-level 3；Traffic main line
Layer 2 mainly provides the main traffic flow of the interchange, and realizes being connected for main traffic flow and other traffic flows；Bridge is intersected
The setting of layer 3 provides more road driving sides mainly in rush hour or other heavy traffic periods for motor vehicles
Case realizes the function of preferably dredging road to effectively slow down traffic congestion phenomenon.
It is explained further, if ground usual friendship layer 1 is set to subterranean layer, it will lead to draining and other pipeline cloth
The problems such as if difficulty increases, and direction of traffic is not easy to identify；If being set to ground floor or more, entire interchange undoubtedly will increase
Level, so that project cost greatly increases, so, in the present invention, ground usual friendship layer 1 is arranged in individual ground floor, to the greatest extent may be used
Ground loading can be utilized, on the one hand, reduce influence of the intercommunication construction to surrounding enviroment；On the other hand, pass through reasonable traffic
Tissue, not only conforms with the trip habit of people, while also various traffic flows can be made orderly to travel.
As preferred embodiment, it is additionally provided between traffic main line layer 2 and bridge cross-level 3 several for realizing road
The branch of road intercommunication and diverging traffic stream function contacts ring road 4, and branch connection ring road 4 is as traffic main line layer 2
Left turn lane, on the one hand, the vehicle of traveling can be layered, traffic of releiving, to reduce traffic jam；On the other hand, have
Effect avoids left turning vehicle and collides with through vehicles, improves the security reliability of vehicle driving, reduces traffic accident
The probability of generation.
Further, ground usual friendship layer 1 includes intermediate two non-motorized lanes 101 for going slowly round-trip and is arranged in non-machine
The pavement 102 of 101 side of motor-car road is additionally provided with level-one greenbelt 103, two institutes between the pavement 102 and road tooth
It states and is also evenly arranged with several fences 104 between non-motorized lane 101, there are between turning between the two neighboring fence 104
Gap 105, and second level greenbelt 106 is provided with above fence 104, the setting of level-one greenbelt 103 and second level greenbelt 106 rises
Good Greening functions have been arrived, to the good urban landscape pattern of formation, perfect landscape ecological and have been created outside pleasant city
Portion space plays an important role, while also significant to protection traditional cities landscape, wherein level-one greenbelt 103 is mainly
The biggish trees of figure can also keep away day for pedestrian's sunshade on pavement 102；Second level greenbelt 106 is mainly that figure is lesser
Flowers and plants avoid blocking the visual field since 106 figure of second level greenbelt is larger, influencing the traveling of the slow-moving vehicles such as non-motor vehicle.
It is explained further, the setting of fence 104, plays and separate two round-trip non-motorized lanes 101
Effect, effectively prevent the slow-moving vehicle on non-motorized lane 101 arbitrarily turn either arbitrarily travel (answer in normally travel direction
Should be to keep to the right), although the travel speed of slow-moving vehicle is slower, if, still there is safety traffic thing in arbitrarily traveling
Therefore a possibility that, especially when slow-moving vehicle is more, the probability that traffic accident occurs for non-motor vehicle also greatly increases therewith；It is logical
The setting turning gap 105 between two neighboring fence 104 is crossed, the passerby for avoiding driving non-motor vehicle arbitrarily turns, moreover,
The effect of one " warning " is provided for passerby, when soon close turning gap 105, speed can be reduced, and observes front side to be
It is no to there is non-motor vehicle to prepare turning, it gives way to realize.
It remarks additionally, is additionally provided with several drainage channels 5 connecting with sewer on non-motorized lane 101, drain
The setting in channel 5 avoids rain and snow weather from leading to excess surface water for realizing drain function, influences road traffic, gives traffic safety
It adversely affects.
Further, the vehicle travelled on non-motorized lane 101 includes bicycle, tricycle, electric bicycle, disabled person
Combustion-motor-driven wheelchairs and animal-drawn vehicle, larger in view of speed difference between non-motor vehicle, vehicle driving is chaotic, should be in non-motorized lane
101 enterprising runways divide, at least two lanes on non-motorized lane 101, and one is runway, and another is fast,
To standardize driving, if having ready conditions, also runway can further be segmented, to make every class travel speed difference larger as much as possible
Non-motor vehicle separately travel, effectively prevent the traveling conflict between non-motor vehicle, the width in every lane is not less than 1.5m,
Subject to conditions is no less than 1.25m.
As preferred embodiment, pavement 102 uses different road surface mechanisms from non-motorized lane 101, non-maneuver
It occurs mainly in conflicting between vehicle and pedestrian on the non-section of plate altogether of people, pedestrian, non-motor vehicle mix row and generate, traditional people
Frequently with same road surface mechanism (using pavement bricks making), pedestrian and non motorized vehicle is not easy to differentiate the section of non-plate altogether, and
Non-automotive vehicle comfort is poor, in the present invention, pavement 102 and non-motorized lane 101 by using different road surface mechanisms,
Asphalt pavement structure is used on non-motorized lane 101, is used azulejo on pavement 102, is visually just distinguished, allow non-
Motor vehicle and pedestrian can take their own roads；The height on pavement 102 is higher than the height of non-motorized lane 101, on the one hand, is convenient for people's row
Ponding on road 102 flows on non-motorized lane 101 (Water seeks its own level), so that from the drainage channel 5 on non-motorized lane 101
It discharges into sewer, ponding inconvenience pedestrian on pavement 102 is avoided to walk, moreover, because 102 height of pavement is higher, when non-
When the non-motor vehicle travelled on car lane 101 passes through, the spray splash is not easy to drench the pedestrian on pavement 102；Another party
Face has been better achieved and has separated pavement 102 and non-motorized lane 101.
Traffic main line layer 2 includes the main traffic runner 201 of grade separation and several intercommunication lines for realizing with other path connecteds
Road 202, and the main traffic runner 201 of grade separation including straight trip main stem 2011 and is separately positioned on the several of straight trip 2011 two sides of main stem
Right-turn lane 2012, right-turn lane 2012 are connected with corresponding intercommunication drawing lines 202, the setting of right-turn lane 2012, for providing
The right-hand rotation function of driving vehicle on Through Lane 2011, and being connected between road is realized, guarantee the normal row of vehicle
It sails.
Supplementary explanation, Through Lane 2011 is at least two lanes, and two lanes are round-trip lane (one has a try), when
So, it according to the vehicle flowrate situation on Through Lane 2011, depending on the number of track-lines measurer body of Through Lane 2011, common are two-way
Four-Lane Road (lane each direction You Liangtiao), two-way six-lane (there are three lanes in each direction), unidirectional Four-Lane Road (one direction four
Lane) etc., so, the lane quantity that Through Lane 2011 includes condition of the invention without limitation is previous in the present invention
It returns and is illustrated for two lanes.
The bridge cross-level 3 includes several intersection lanes 301, and described 301 one end of intersection lane and branch contact ring road 4
Connection, the other end and other path connecteds, realize the function of road intercommunication, it is ensured that vehicle normal row between urban road
It sails.
The present invention also provides a kind of high-intelligentization interchange design methods, include the following steps:
S100, pass through function status and effect of the analysis interchange in urban road network, category of roads, status
Shape and land used these restrictive conditions, predicting traffic flow amount (magnitude of traffic flow be in interchange design it needs to be determined that pattern and rule
The important evidence of mould), suitable interchange pattern is selected, situation biggish for left-turning traffic flow does not select annular generally
Grade separation, urban land anxiety should not select leaf grade separation etc.；
S200, by the further analysis to the magnitude of traffic flow, tentatively make two kinds of interchange schemes, and using fuzzy
Comprehensive evaluation respectively evaluates both interchange schemes, due to being convenient for quantitative comparison when carrying out scheme evaluation
The problem of be usually can use specific digital representation, but be difficult quantization even not quantifiable influence factor for some, with regard to hardly possible
Size is influenced to weigh the pros and cons it, it is also difficult to the subjective impact of evaluation is completely eliminated, so, it is comprehensive by using obscuring in the present invention
It closes evaluation assessment to evaluate Interchange Scheme, Field Using Fuzzy Comprehensive Assessment is grown up on the basis of fuzzy mathematics, is used
The principle of fuzzy relation synthesis, quantifies those obscure boundaries, is not easy quantitative influence factor and index, from multiple indexs to being difficult to
The complication system of precision carries out practical approach of the overall merit than choosing；
S300, it is selected by the ratio of two kinds of interchange schemes, final choice one of which interchange scheme is (in order to neck
It leads and provides reliable decision-making foundation with decision-making section, so that interchange that is designed, building preferably is played its function, carry out and apply
Work G- Design avoids the waste that human and material resources, financial resources are caused because of change scheme, shortens the design cycle, so, it is set in grade separation
During meter, overall merit should be carried out to Interchange Scheme than choosing, makes every effort to assist selected grade separation form in communication function, environment
Tune, traffic safety, construction management, economical adaptation etc. reach optimum balance, and grade separation is made to play bigger work in road network
With), rationally determine the installation position of interchange in the program, and total arrangement planning is carried out to it.
Further, interchange pattern has tubaeform, diamond shape, orientation Y shape and directional type hinge in the step S100.
The prediction of the magnitude of traffic flow further includes following steps in the step S100:
S101, according to the communications and transportation status of locality and the development characteristic of periphery economic environment, in conjunction with government pair
The policy series factor in the region comprehensively considers the state of development for predicting its future transportation；
The position that S102, clear interchange are played the part of in whole traffic, the traffic flow that analysis interchange is on active service
Amount.
In the step S200, Field Using Fuzzy Comprehensive Assessment further includes following steps to the evaluation of interchange scheme:
S201, it determines evaluation index, establishes evaluation index property set, n evaluation index, evaluation index={ evaluation index
1, evaluation index 2 ..., evaluation index n }, and quantization modulation processing is carried out to each evaluation index, it is assumed that and level-one=1, second level=2,
Three-level=3 determine the correspondence quantization level of each evaluation index；
The weight of S202, Calculation Estimation index, on the basis of determining evaluation index initial weight using rough set method,
In conjunction with expert investigation table, the weight of evaluation index, weight=(a of evaluation index are obtained with arithmetic mean method1, a2..., an) most
Afterwards, according to normalization principle,
The comprehensive evaluation analysis of S203, interchange scheme are based on step S201 and step S202, using arithmetic mean method
Quantitative analysis is carried out to two kinds of interchange schemes respectively, the method is as follows:
The correspondence quantization level of each evaluation index is multiplied with the respective weights value of the evaluation index, show that the evaluation refers to
Target quantizing factor Mi, Mi=quantization level × weight；
By two kinds of interchange schemesValue, which is found out, to be come.
In the step S300, total arrangement planning includes line arrangement, horizontal alignment, vertical alignment and intersects the shape of the mouth as one speaks
Formula, wherein line arrangement is mostly important, and line arrangement further includes following steps:
S301, according to traffic flow situation, determine the main traffic flow of grade separation；
S302, pass through Reasonable Arrangement grade separation level, each ring road cross reference is arranged, and (ring road should avoid shorter as far as possible when laying
It is continuously driven out to or drives into from main line apart from interior, should generally follow the principle of " right-in and right-out ", traffic sign is rationally set, so as to just
Really judge entrance, avoid because accidentally row interferes vehicular traffic), and reasonable set interchange spacing, the interval pair of interchange
Have in its traffic conversion function and significantly affect, it is therefore desirable to reasonable interval is determined, so that the magnitude of traffic flow of adjacent grade separation is protected
Hold certain balance, it is however generally that, adjacent interchange minimum interval needs to meet upstream grade separation acceleration lane transition
For terminal to downstream grade separation deceleratuib lane transition starting point, interval is not less than 500m, and meets the traffic sign spacing of institute's facility
It is required that.
In general, the line arrangement of interchange covers the composition such as circular curve, easement curve and straight line, interchange
Vertical curve generally require and be designed according to interchange space, selected according to the elevation feature of road intersection, and really
Surely the suitable gradient, the gradient cross conference and traffic accident probability of happening are greatly increased, generally require road grade -2%~
In 3% range, overruns and need obviously to limit speed；Horizontal curve needs to consider the least radius requirement of driving, no
Can occur that radius is too small so that vehicle driving centrifugal force is excessive, lateral bucking problem occur.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of high-intelligentization interchange system, it is characterised in that: from bottom to up successively include ground usual friendship layer (1), traffic
Main line layer (2) and bridge cross-level (3) are additionally provided with several use between the traffic main line layer (2) and bridge cross-level (3)
Ring road (4) are contacted in the branch for realizing road intercommunication and diverging traffic stream function, and branch connection ring road (4) is as friendship
The left turn lane of logical main line layer (2).
2. a kind of high-intelligentization interchange system according to claim 1, it is characterised in that: the ground usual friendship layer
(1) include intermediate two go slowly round-trip non-motorized lane (101) and setting non-motorized lane (101) side pavement
(102), it is additionally provided with level-one greenbelt (103) between the pavement (102) and road tooth, two non-motorized lanes
(101) it is also evenly arranged between several fences (104), there are turning gaps between the two neighboring fence (104)
(105), second level greenbelt (106) and above fence (104) are provided with.
3. a kind of high-intelligentization interchange system according to claim 2, it is characterised in that: the non-motorized lane
(101) allowing the vehicle travelled on the vehicle exercised includes bicycle, tricycle, electric bicycle, disabled person's combustion-motor-driven wheelchairs
And animal-drawn vehicle, and at least two lanes on non-motorized lane (101), the width in every lane are not less than 1.5m, people's row
Road (102) uses different road surface mechanisms from non-motorized lane (101), and the height of pavement (102) is higher than non-motorized lane
(101) height.
4. a kind of high-intelligentization interchange system according to claim 1, it is characterised in that: the traffic main line layer
It (2) include the main traffic runner (201) of grade separation and several intercommunication drawing lines (202) for realizing with other path connecteds, and described
The main traffic runner (201) of grade separation includes straight trip main stem (2011) and several right sides for being separately positioned on straight trip main stem (2011) two sides
It changes trains or buses (2012), the right-turn lane (2012) connects with corresponding intercommunication drawing lines (202).
5. a kind of high-intelligentization interchange system according to claim 1, it is characterised in that: the bridge cross-level
(3) include several intersection lanes (301), the intersection lane (301) one end contacts ring road (4) with branch and connect, the other end with
Other path connecteds.
6. a kind of high-intelligentization interchange design method, characterized by the following steps:
S100, by function status and effect of the analysis interchange in urban road network, category of roads, status landform and
These restrictive conditions of land used, predicting traffic flow amount select suitable interchange pattern；
S200, by the further analysis to the magnitude of traffic flow, tentatively make two kinds of interchange schemes, and use fuzzy synthesis
Evaluation assessment respectively evaluates both interchange schemes；
S300, it is selected by the ratio of two kinds of interchange schemes, final choice one of which interchange scheme rationally determines the party
The installation position of interchange in case, and total arrangement planning is carried out to it.
7. a kind of high-intelligentization interchange design method according to claim 6, it is characterised in that: the step S100
Middle interchange pattern has tubaeform, diamond shape, orientation Y shape and directional type hinge.
8. a kind of high-intelligentization interchange design method according to claim 6, it is characterised in that: the step S100
The prediction of the middle magnitude of traffic flow further includes following steps:
S101, according to the communications and transportation status of locality and the development characteristic of periphery economic environment, in conjunction with government to the area
The policy series factor in domain comprehensively considers the state of development for predicting its future transportation；
The position that S102, clear interchange are played the part of in whole traffic, the magnitude of traffic flow that analysis interchange is on active service.
9. a kind of high-intelligentization interchange design method according to claim 6, it is characterised in that: the step S200
In, Field Using Fuzzy Comprehensive Assessment further includes following steps to the evaluation of interchange scheme:
S201, it determines evaluation index, establishes evaluation index property set, n evaluation index, evaluation index={ evaluation index 1, is commented
Valence index 2 ..., evaluation index n }, and quantization modulation processing is carried out to each evaluation index；
The weight of S202, Calculation Estimation index, on the basis of determining evaluation index initial weight using rough set method, in conjunction with
Expert investigation table obtains the weight of evaluation index, weight=(a of evaluation index with arithmetic mean method1, a2..., an) finally, root
According to normalization principle,
The comprehensive evaluation analysis of S203, interchange scheme are based on step S201 and step S202, are distinguished using arithmetic mean method
Quantitative analysis is carried out to two kinds of interchange schemes.
10. a kind of high-intelligentization interchange design method according to claim 6, it is characterised in that: the step
In S300, total arrangement planning includes line arrangement, horizontal alignment, vertical alignment and intersection pattern, wherein line arrangement is also
Include the following steps:
S301, according to traffic flow situation, determine the main traffic flow of grade separation；
S302, pass through Reasonable Arrangement grade separation level, each ring road cross reference, and reasonable set interchange spacing are set.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111088737A (en) * | 2019-12-31 | 2020-05-01 | 中国公路工程咨询集团有限公司 | Method and system for single-horn intercommunicating grade separation linear design |
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Application publication date: 20181228 |