CN202671992U

CN202671992U - Downtown flyover

Info

Publication number: CN202671992U
Application number: CN 201220334329
Authority: CN
Inventors: 张虎
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-07-11
Filing date: 2012-07-11
Publication date: 2013-01-16
Anticipated expiration: 2022-07-11

Abstract

The utility model discloses a downtown flyover which comprises two main channels and an elevated channel, wherein the two main channels are same in structure, and the elevated channel is erected above a junction of the two main channels; each main channel comprises an outgoing lane, an incoming lane and side pavements, and the side pavements are arranged on the two sides of the outgoing lane and the incoming lane; and the key improvement is as follows: the outgoing lane comprises an outgoing straight lane and an outgoing turning lane; the incoming lane comprises an incoming straight lane and an incoming turning lane; the straight lanes of the two main channels are communicated through a two-layer tunnel arranged below the elevated channel; and the outgoing turning lane is connected with the upside of the elevated channel through a first ramp. The downtown flyover disclosed by the utility model has the advantages that the reasonable divergence of vehicles is realized through changing the protective barrier setting above the elevated channel; an original right turn lane is canceled, so that the land-occupied area can be effectively saved; and all lanes in four directions are not intersected, and clear in orientation, so that the driving safety can be ensured, and the construction cost can be reduced.

Description

A kind of city center overpass

Technical field

The utility model has related to a kind of multilevel traffic design scheme, particularly a kind of city center overpass.

Background technology

The flat linearity scheme of the overpass bridge that present people are common is various, as: the interchange viaduct of introducing in " traffic planninng design and construction " book that HeiLongJiang Science academy publishing house publishes has the cloverleaf formula, annular, the various ways such as rhombus, these common overpass bridges mostly exist the bridge floor number of plies many, floor space is large, investment is large, the defective that engineering quantity is large, and the travel route of head end operation is to detour continuously along interior ring road in the overpass bridge, adjacent interior ring road produces the intertwined point with main track in the process that detours, affect traffic safety and the traffic capacity, do not reach the standard of complete grade separation.And for example: " present common several orthotype interchange overpass of introducing in Road Design engineer handbook one book that People's Transportation Press publishes, as: double-deck oriented viaduct, three layers of oriented viaduct, four layers of oriented viaduct, can find out that from the technical characterictic of these bridge types the method that existing directed interchange viaduct organizes wagon flow to overcome the intersection conflict mainly is to solve by increasing the bridge floor number of plies, consequently cause pontic too huge, the bridge floor number of plies is many, construction costs is high, line style is complicated, the fuzzy deficiency that waits of direction of traffic; The present utility model people discloses a kind of mutilevel overpass in the utility model patent " a kind of city center overpass " of application on April 19th, 2011, solved existing overpass bridge pontic huge, the problem that floor space is large, but passage is divided into direct lane, right-turn lane, left-hand rotation and tune track owing to will drive a vehicle in former patent, simultaneously direct lane and right-turn lane all are located at undergroundly, construction cost is higher.

The utility model content

Technical problem to be solved in the utility model provides a kind of city center overpass, and its compact in design is taken up an area and lacked, and line style is terse, points to clearly, is easy to pass through, and can also effectively reduce Construction Cost.

Design concept of the present utility model is to realize like this, cancel right-turn lane on former patent basis, added turning lane is set, by track, overhead passage way top shunting realizing simultaneous left turn, turn right and tune, drive to the vehicle of overhead passage way top from added turning lane through three strands of later on formation of protective guard shunting, the right-hand rotation vehicle directly enters adjacent main channel to be come to importing the track, the reversing loop that left turning vehicle passes the left-hand rotation direction enters the direct lane after the left-hand rotation, and head end operation enters later to importing the track by 180 degree that detour at overhead passage way, setting by guard rail, save original right-turn lane, reducing construction cost, the problem of stopping up for the ease of transport solution simultaneously can also be widened the direct lane in the former patent, and identical floor space realizes the multi-direction shunting of vehicle.

For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of city center overpass comprises the identical main channel of two-strip structure and the overhead passage way that is set up in two main channel intersections tops; Described every main channel includes the whereabouts track and comes to the track and be located at the whereabouts track and come sidewalk to the both sides, track; Its key improvements is: described whereabouts track comprises whereabouts direct lane and whereabouts added turning lane; Describedly come to comprise coming to direct lane to the track and to come to importing the track; The direct lane of described two main channels is communicated with by the two-layer tunnel of being arranged to of being located at the overhead passage way below; Described whereabouts added turning lane is connected with the overhead passage way top by the first ramp, described overhead passage way top and every corresponding the first protective guard and second protective guard of arranging of whereabouts added turning lane, described overhead passage way middle part import mouthful by means of four the second ramps and four that with correspondence direction four are next to be communicated with to direct lane; Described four sidewalks being located at both sides, two main channels are interconnected below overhead passage way.

On the described overhead passage way end face outer rim buffer zone is set.

Inboard, described sidewalk all arranges greenbelt.

Described overhead passage way is discoid symmetrical structure.

The beneficial effect that adopts technique scheme to produce is: the whereabouts direct lane of equidirectional in the main channel is connected by subterranean tunnel respectively to direct lane with next, will be for being communicated with two groups of perpendicular whereabouts direct lanes of travel direction or coming to be arranged to the tunnel of direct lane two-layer up and down, discoid overhead passage way is set being positioned at four main channel intersections, by the top guard rail setting of change overhead passage way, realize the vehicle reasonable diffluence, cancel original right-turn lane, can effectively save floor occupying area, nothing is intersected between the track of all four directions, point to clear and definite, can guarantee driving safety, reducing construction cost.

Description of drawings

Fig. 1 is the utility model structural representation;

1, whereabouts track; 2, three-dimensional fast bar boarding station; 3, overline bridge; 4, whereabouts direct lane; 5, whereabouts added turning lane; 6, sidewalk; 7, come to importing the track; 8, come to direct lane; 9, import mouth; 10, Rotary District; 11, overhead passage way; 12, the three-dimensional fast transfer stop of clinging to; Further the utility model is described in detail below in conjunction with accompanying drawing.

The specific embodiment

A kind of city center overpass as shown in Figure 1 comprises the identical main channel of two-strip structure and the overhead passage way 11 that is set up in two main channel intersections tops; Described every main channel includes whereabouts track 1 and comes to the track and be located at whereabouts track 1 and come sidewalk 6 to the both sides, track; Its key improvements is: described whereabouts track comprises whereabouts direct lane 4 and whereabouts added turning lane 5; Describedly come to comprise coming to direct lane 8 to the track and to come to importing track 7; The direct lane of described two main channels is communicated with by the two-layer tunnel of being arranged to of being located at overhead passage way 11 belows; Described whereabouts added turning lane 5 is connected with overhead passage way 11 tops by the first ramp, described overhead passage way 11 tops and every whereabouts added turning lane 5 corresponding the first protective guard and the second protective guards of arranging, described overhead passage way 11 middle parts import mouthfuls 9 by means of four the second ramps and four and are communicated with to direct lane 8 with four of correspondence direction; Described four sidewalks 6 being located at both sides, two main channels are interconnected below overhead passage way 11.

On the described overhead passage way 11 end face outer rims buffer zone is set.

6 inboards, described sidewalk all arrange greenbelt.

Described overhead passage way 11 is discoid symmetrical structure.

In concrete application process, article four, the position that mutually crosses, main channel arranges discoid overhead passage way, arrange four groups at overhead passage way and turn to protective guard, every group turns to protective guard to comprise the first protective guard and the second protective guard, the first protective guard and the second protective guard are divided into three strands with the wagon flow of added turning lane, enter direct lane from different remittance mouths respectively, realize, turn right and tune, can arrange very clearly the travel direction of vehicle; For the structure that makes overpass bridge compacter, article four, the whereabouts direct lane of main channel and come to direct lane the subterranean tunnel by being positioned at the overhead passage way below respectively and the whereabouts direct lane corresponding with it and being communicated with to direct lane, and that subterranean tunnel arranges is two-layer, realize whereabouts track and next fully shunting to the track, the subterranean tunnel bottom that is positioned at lower floor can also arrange catch pit, and the installation relevant device, guarantee use safety and the traffic safety of subterranean tunnel.

Iterative method along with the urban traffic three-dimensional, (patent No. is three-dimensional bus: the main stream traffic instrument that 200920059314.3) will become the future city multilevel traffic, a kind of city center overpass that the utility model provides can combine with the three-dimensional bus that will come into operation, make things convenient for the townsfolk to change to bus, in order to address this problem, whereabouts direct lane four main channels arranges three-dimensional bus boarding station 2 by means of overline bridge 3 with next respectively on direct lane, certainly, this need to be with by bus door and get-off door and the passage matching design of riding of three-dimensional bus; In overhead passage way 11 centres and both sides three-dimensional bus transfer stop 12 is set respectively, coexists for being communicated with whereabouts direct lane and the next transfer stop that three-dimensional bus is set to the subterranean tunnel top of direct lane, make things convenient for the passenger to change to.

In order to make things convenient for pedestrian's walking, in both sides, four main channels the sidewalk is set all, amount to eight sidewalks, these eight sidewalks are interconnected below overhead passage way, and the pedestrian is the Direct Transform direction of travel as required, can add channel middle at height simultaneously three-dimensional fast bar transfer stop is set, be convenient to pass through, in addition on the one hand, the utility model can also be in the Rotary District 10 interior medical vehicle or the police car parking spaces of arranging, functional stronger.

The utility model is connected the whereabouts direct lane of equidirectional in the main channel respectively to direct lane with next by subterranean tunnel, will be for being communicated with two groups of perpendicular whereabouts direct lanes of travel direction or coming to be arranged to the tunnel of direct lane two-layer up and down, discoid overhead passage way is set being positioned at four main channel intersections, by the top guard rail setting of change overhead passage way, realize the vehicle reasonable diffluence, cancel original right-turn lane, can effectively save floor occupying area, nothing is intersected between the track of all four directions, point to clear and definite, can guarantee driving safety, reducing construction cost.

Claims

1. a city center overpass comprises the identical main channel of two-strip structure and the overhead passage way (11) that is set up in two main channel intersections tops; Described every main channel includes whereabouts track (1) and comes to the track and be located at whereabouts track (1) and to the sidewalk (6) of both sides, track; It is characterized in that: described whereabouts track comprises whereabouts direct lane (4) and whereabouts added turning lane (5); Described comprising to the track to direct lane (8) and next to importing track (7); The direct lane of described two main channels is communicated with by the two-layer tunnel of being arranged to of being located at overhead passage way (11) below; Described whereabouts added turning lane (5) is connected with overhead passage way (11) top by the first ramp, described overhead passage way (11) top arrange first protective guard and second protective guard corresponding to every whereabouts added turning lane (5), described overhead passage way (11) middle part import by means of four the second ramps and four that mouthful (9) and correspondence direction four are next to be communicated with to direct lane (8); Described four sidewalks (6) of being located at both sides, two main channels are interconnected in overhead passage way (11) below.

2. a kind of city center overpass according to claim 1 is characterized in that: on described overhead passage way (11) the end face outer rim buffer zone is set.

3. a kind of city center overpass according to claim 2, it is characterized in that: inboard, described sidewalk (6) all arranges greenbelt.

4. a kind of city center overpass according to claim 3, it is characterized in that: described overhead passage way (11) is discoid symmetrical structure.