CN201099827Y - A turn-around unimpeded overpass - Google Patents

Abstract

A turn-around unimpeded overpass bridge, comprising a crossed orthogonal bridge, has four inner arc-shaped right-turn passages on the crossed orthogonal bridge, and has a left-turned passage in each of the four extending directions of the main road of the crossed orthogonal bridge, Described turning left passageway is the curved curve that turns left 360 °. The utility model not only solves the problem of unimpeded vehicles at the crossroads, and does not need to be controlled by traffic lights, but also has a simple structure, few layers, low height, short approach bridges, and low investment, which is beneficial to popularization and use.

Description

A turn-around unimpeded overpass

technical field

The utility model relates to a highway overpass, in particular to a turn-around unimpeded overpass.

Background technique

With the development of society, motor vehicles are constantly increasing, and the problem of smooth roads has attracted much attention, especially the problems of urban traffic congestion and traffic jams at intersections, which need to be solved urgently. For vehicle traffic at intersections, cross-orthogonal bridges and single-layer roundabout viaducts are generally used. Although these can improve the traffic conditions at intersections, they must be controlled by traffic lights, and the traffic efficiency is very low. A kind of all-direction direct intercommunication type overpass appeared afterwards, this kind of overpass can not be provided with traffic light, and vehicle can run directly, has solved the traffic problem of intersection better, but this kind of overpass has as many as four floors, the approach bridge is long, occupies an area Many, large investment, difficult to popularize and use.

Contents of the invention

The purpose of the utility model is to provide an overpass with few layers, low cost and no traffic light control, which can solve the traffic jam of vehicles at intersections.

The purpose of this utility model is achieved through the following technical solutions.

A turn-around unimpeded overpass bridge comprises a cross-orthogonal bridge, which has four inner arc-shaped right-turn passages on the cross-orthogonal bridge, and a left-turn passage on each of the four extending directions of the main road of the cross-orthogonal bridge.

The utility model not only solves the problem of unimpeded vehicles at the crossroads, and does not need to be controlled by traffic lights, but also has a simple structure, few layers, low height, short approach bridges, and low investment, which is beneficial to popularization and use.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the overpass bridge

Fig. 2 is a diagram of the structure of the left turning channel of the overpass

Fig. 3 is the second diagram of the structure of the left turning channel of the overpass

Among them: 1. East-west main road, 2. North-south main road, 3-6 right-turn passages, 7 left-turn passages, 8 adjacent left-turn passages.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

With reference to Fig. 1, the east-west main road 1 is the upper layer on the cross-orthogonal bridge, the north-south main road 2 is the lower layer on the cross-orthogonal bridge, and both main roads are two-way multi-lane. Between the east-west main road 1 and the north-south main road 2, there are four inner arc-shaped right-turn passages 3-6 between the two main roads (upper and lower floors) in the four directions where the cross-orthogonal bridge approaches the intersection , where: right-turn passages 3 and 5 are right-turn passages from north-south main road 2 (lower floor) to east-west main road 1 (upper floor); right-turn passages 4 and 6 are east-west main road 1 (upper floor) to The right-turn passage of north-south main road 2 (lower floor).

Each of the four extension directions of the two main roads of the cross-orthogonal bridge has a left-turned 360° curved bend: the left-turn passage 7 (only the westward one is shown in the figure).

Referring to Fig. 2 and Fig. 3, the left-turn channel 7 can be a flat left-turn channel as shown in Figure 1; it can also be an overhead type as shown in Figure 2 and an underground left-turn channel as shown in Figure 3 passageway; it can also be combined with the adjacent left turn passageway 8 to form a double-layer bridge type left turn passageway. Described adjacent left turning channel 8 refers to the left turning channel of this turning unimpeded overpass bridge established at adjacent crossroads, as shown in Figure 1.

The cross-orthogonal bridge in the turn-around unimpeded overpass bridge can adopt the upper floor elevated type, also can adopt the lower floor tunnel type, and can also adopt the combined type that the upper floor is a semi-elevator and the lower floor is a half tunnel. East-west main road 1 and north-south main road 2 can be designed as two-way 6-lanes respectively. The four right-turn passages 3-6 between the two trunk roads can generally be designed as single or double lanes. Four left-turn passages 7 are on the four extension directions of the two main roads of the cross-orthogonal bridge, generally selected after the cross-orthogonal bridge approach bridge, to an appropriate position between another intersection. Turn left passageway 7, owing to can be designed as one-way single-lane, so the floor area is less, the selection of its position is relatively easier this way. If this overpass is built at two adjacent intersections, then the left-turn passage 7 and the adjacent left-turn passage 8 can be combined into a double-layer bridge-type left-turn passage according to the situation, so that the occupied area is more economical. up.

The vehicle running route of this turn-around unimpeded overpass is exemplified as follows.

A. Vehicle left-turn driving route: Take the east-west main road 1, from east to south as an example: vehicles travel from east to west along the east-west main road 1, cross the north-south main road 2, and turn left to the west side of the channel 7 , after a 360° turn, pass the right-turn passage 6, enter the north-south main road 2 and drive south. By analogy, vehicles traveling from south to west or from west to north or from north to east can travel through the left-turn passage on the north side, the left-turn passage on the east side, and the left-turn passage on the south side respectively.

B. Route for vehicles turning right: Take the north-south main road 2, traveling from south to east as an example: the vehicle passes through the right-turn passage 3 from south to north, enters the east-west main road 1 and travels eastward. By analogy, vehicles traveling from east to north or from north to west or from west to south can travel through right-turn passages 4, 5, and 6 respectively.

C. Vehicles traveling east-west or north-south can drive straight through on east-west main road 1 or north-south main road 2.

For the problem of sidewalks and bicycle lanes, it can be solved by comprehensive consideration of the building space of the cross-orthogonal bridge or the left turn channel 7, or it can be solved by overpass or underground passage. These all belong to conventional technologies and will not be repeated.

Although this turn-around unimpeded overpass bridge is not a tall and luxurious building, it saves investment and can effectively improve the current traffic congestion. It has a very high application and promotion price.

Claims (6)

1, Yi Zhong rotation changes unblocked type crossroads, draw together the cross right bridge, it is characterized in that having four arc right-hand bend passages that are communicated with upper and lower layer major trunk roads on the cross right bridge, respectively having a Ge Zuo rotation on four bearing of trends of cross right bridge major trunk roads changes passage (7).

2, according to the overpass bridge of claim 1, it is characterized in that ， Zuo rotation changes passage (7), be the arc bend of 360 ° of a kind of left-hand rotations.

3, according to the overpass bridge of claim 1, it is characterized in that ， Zuo rotation changes passage (7), be that a kind of level land Shi Zuo rotation changes passage.

4, according to the overpass bridge of claim 1, it is characterized in that ， Zuo rotation changes passage (7), be that a kind of overhead type Zuo rotation changes passage.

5, according to the overpass bridge of claim 1, it is characterized in that ， Zuo rotation changes passage (7), be that a kind of underground type Zuo rotation changes passage.

According to the overpass bridge of claim 1, it is characterized in that 6, left rotation changes passage (7), is that a kind of and adjacent left rotation changes the double-deck bridge-type left side rotation commentaries on classics passage that passage (8) is built jointly.

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