CN201031334Y

CN201031334Y - City decussation overpass

Info

Publication number: CN201031334Y
Application number: CNU2007201491082U
Authority: CN
Inventors: 张士行
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-05-11
Filing date: 2007-05-11
Publication date: 2008-03-05
Anticipated expiration: 2017-05-11

Abstract

The utility model is aimed at designing an urban cross overpass. The utility model is capable to erect a three-dimensional two-way traffic system not depending on traffic lights and featuring less demolishment of buildings and shorter construction period. The utility model takes full advantage of the preserved space of existing roads and crossings and achieves barrier-free three-dimensional cross traffic on each turning roadway and non-motorized vehicle lane. The double-deck two-way crossover body and the independent left-turning bridge body form a 3-deck spatial structure, and the main bridge in the rectilinear direction and the ramp in turning direction jointly form a crossover body. The utility model is applicable to the level crossings in urban areas suffering huge traffic volume, and has great promotion value.

Description

City right-angled intersection overpass bridge

Technical field

The utility model relates to a kind of city right-angled intersection overpass bridge, belongs to the Urban Bridge technical field.

Background technology

21st century is the epoch of information, also is the epoch of automobile, and these two modern products have brought huge convenience and quick for people's work and life, have also created great efficient and benefit for us.Meanwhile, continuous enhancing along with china's overall national strength, improving constantly of living standards of the people, the automobile pollution of China (particularly metropolis) is in continuous increase, thereby in the last few years, with Beijing be representative some metropolis rush-hour congestion in road phenomenon of common occurrence, though government and relevant department have worked hard investment construction for a long time a large amount of different overpass bridge of form, grand, promptly interspersed the view in city, alleviated the situation of traffic anxiety again to a great extent, but this thorough transport solution phenomenon of blocking up still.The reason of searching to the bottom is the urban land anxiety, and the urbanization process of China is unable to catch up with in the growth of path area.At the rush-hour vehicle assembled of red light cycle of the opening vehicle that can pass through more than the one-period that green light is let pass often, and blocking up of a direction also can have influence on normally passing through of other several directions, causes the further aggravation of blocking up.This just needs the more road of construction to solve, and especially needs not rely on the grade separation road of traffic lights system.And will be in the city newly-built road, especially overpass bridge, generally need a large amount of demolition works, bring social contradications easily, required fund also can be doubled and redoubled.Therefore, just need a kind of road solution of alleviating traffic pressure with less removal amount now.

Summary of the invention

The purpose of this utility model designs a kind of city right-angled intersection overpass bridge exactly, it can set up the two-way multilevel traffic system that does not rely on traffic lights with less removal amount and duration in the urban road crossing, it is current that the headspace that it makes full use of existing road and crossing satisfies the accessible graded crossing of crisscross each added turning lane and nonmotorized vehicle lane simultaneously.

According to goal of the invention, overpass bridge structure of the present utility model is made of following characteristics:

1. a city right-angled intersection overpass bridge is characterized in that, constitutes 3 sheaf space structures by the grade separation way and double-layer pontic of right-angled intersection and the special-purpose pontic that independently turns left.

2. as characteristics 1 described city right-angled intersection overpass bridge, it is characterized in that the right-angled intersection pontic is constituted jointly by the main bridge of rectilinear direction and the ring road of turn direction.

3. as characteristics 1 described city right-angled intersection overpass bridge, it is characterized in that the pontic each several part gradient is 4% to the maximum.

4. as characteristics 2 described city right-angled intersection overpass bridges, it is characterized in that main bridge and ring road all can be arranged many tracks.

5. as characteristics 2 described city right-angled intersection overpass bridges, it is characterized in that on pontic, having to be exclusively used in pedestrian and the current ring road part of bicycle.

6. as

characteristics

2,4,5 any described city right-angled intersection overpass bridges, it is characterized in that, between each track and nonmotorized vehicle lane arranged outside dividing strip and guardrail.

7. as any described city right-angled intersection overpass bridge of characteristics 4-6, it is characterized in that the traffic indication board of indication traffic route is set up in each entrance, track of overpass bridge.

8. as any described city right-angled intersection overpass bridge of characteristics 1-7, it is characterized in that pontic is provided with closed circuit camera system or traffic surveillance and control system.

9. as characteristics 2, any described city right-angled intersection overpass bridge of 4-8, it is characterized in that having in the ring road of turn direction earlier to turn 90 degrees the special-purpose ring road of left-hand bend that certain distance is transferred turnback again to the direction of traffic right side.

The beneficial effect of right-angled intersection overpass bridge in city of the present utility model is:

1. be applicable to the usual friendship crossroad of metropolis heavy traffic, need not unnecessary building moving, floor space is little, and transversal stretching is bigger on the plane, both sides, all crossroads building clear distance be not less than 60 meters all can arrange this overpass bridge, therefore have promotional value widely.

2. consider in urban development from now on, bicycle and pedestrian will be indivisible main bodys in the urban traffic, therefore give the right of the equal participation traffic of bicycle pedestrian and motor vehicle among the design, when the design overpass bridge, reserved independently nonmotorized vehicle lane, do not hinder mutually, demonstrated fully the principle that people-oriented.

Description of drawings

Fig. 1 is the stereochemical structure 45 degree vertical views of the utility model overpass bridge;

Fig. 2 is the structural plan projection arrangement figure of the utility model overpass bridge.

The specific embodiment

As the design's plane figure, four (end) some side that enters the grade separation place is defined as A, A1, B, B1 respectively.Middle partition line with the up-downgoing track separately can be established barrier.

Side is followed successively by A side (A-A1 direction) outward from the centre:

1, craspedodrome road: A side starting point elevation 0.00 (promptly suppose this overpass bridge with surface road junction elevation be 0.00), advancing with 4% gradient (all 4% gradient places can also adjust simultaneously according to actual conditions and the national regulation corresponding elevation that fluctuates among the design)-4.00 place's levels that drop to rises to elevation with 4% gradient again behind the segment distance and is similarly 0.00 A1 side.

2, left-turning pathways: the A side with 4% gradient drop to the level right side ,-4.00 place turn 90 degrees the left turnback after 100 meters of advancing passes the B-B1 direction from below craspedodrome road again with 4% gradient rise to elevation 0.00 forward horizontal line enter the B side, finish grade separation with A-A1 direction craspedodrome road.

3, right-hand rotation bend: A side starting point elevation 0.00 drops to-4.00 places 90 degree that bend to right with 4% gradient and passes through under along the B-B1 direction from nonmotorized vehicle lane and rise to elevation 0.00 with 4% gradient again and be connected to the B1 side.

4, nonmotorized vehicle lane: A side starting point elevation 0.00 level forward the nonmotorized vehicle lane of 100 meters and B-B1 direction join and turn right after be divided into two width of cloth.Wherein right width of cloth level is connected to the B1 side forward; A left side 4% gradient drops to-3.20 place's levels and turns left, join with the nonmotorized vehicle lane that 4% gradient rises to elevation 0.00 and B1-B direction along the right width of cloth of the nonmotorized vehicle lane of B1-B direction after passing right-hand rotation bend, left-turning pathways, craspedodrome road, craspedodrome road, left-turning pathways, right-hand rotation bend successively down through the left-hand rotation motorway outside, turn right then to the A1 side, finished the craspedodrome of A-A1 direction and the right-hand rotation of A-B1 direction; And the nonmotorized vehicle lane of B1-B direction can the level craspedodrome be crossed over the track of A-A1 direction and suitable the connecing in right-hand rotation crook of A1-B direction nonmotorized vehicle lane, finishes the articulating of four direction nonmotorized vehicle lane with this structure.

Side is followed successively by B side (B-B1 direction) outward from the centre:

1, direct lane: after starting point B side elevation 0.00 level is finished leap to A-A1 direction direct lane forward, be connected to terminal point B1 side.

2, left-turning pathways: turn left 90 to spend in the journey and to rise to elevation 4.00 with 4% gradient and drop to the leap that 0.00 elevation finishes the A-A1 direction lane with 4% gradient again and be connected to the A1 side by starting point place elevation 0.00.

3, right-hand rotation bend: reduce to elevation-4.00 back with 4% gradient forward by starting point place elevation 0.00 and turn right, rise to elevation 0.00 and A side along connecing with 4% gradient again behind the nonmotorized vehicle lane that passes through its right side down.

4, nonmotorized vehicle lane: by starting point place elevation 0.00 level forward, the direction of wherein keeping straight on is that the width of cloth left-hand bend nonmotorized vehicle lane that passes through out from below with the A1-A direction converges level and crosses over the A-A1 direction lane and continue to move ahead; The right-hand bend direction just directly is connected to the A side.

The design's reverse symmetry, the structure of A1-A and B1-B direction just repeats no more.

So far, 3 layers of grade separation structure of the present utility model have been described.

Claims

2. right-angled intersection overpass bridge in city as claimed in claim 1 is characterized in that the right-angled intersection pontic is constituted jointly by the main bridge of rectilinear direction and the ring road of turn direction.

3. right-angled intersection overpass bridge in city as claimed in claim 1 is characterized in that the pontic each several part gradient is 4% to the maximum.

4. right-angled intersection overpass bridge in city as claimed in claim 2 is characterized in that main bridge and ring road all can be arranged many tracks.

5. right-angled intersection overpass bridge in city as claimed in claim 2 is characterized in that, has to be exclusively used in pedestrian and the current ring road part of bicycle on pontic.

6. as claim 2,4 or 5 described city right-angled intersection overpass bridges, it is characterized in that, between each track and nonmotorized vehicle lane arranged outside dividing strip and guardrail.

7. as claim 4 or 5 described city right-angled intersection overpass bridges, it is characterized in that the traffic indication board of indication traffic route is set up in each entrance, track of overpass bridge.

8. right-angled intersection overpass bridge in city as claimed in claim 1 is characterized in that pontic is provided with closed circuit camera system or traffic surveillance and control system.

9. as claim 2,4 or 5 described city right-angled intersection overpass bridges, it is characterized in that having in the ring road of turn direction earlier to turn 90 degrees the special-purpose ring road of left-hand bend that certain distance is transferred turnback again to the direction of traffic right side.