CN113152183A - Five-fork road two-layer overpass - Google Patents
Five-fork road two-layer overpass Download PDFInfo
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- CN113152183A CN113152183A CN202110394010.8A CN202110394010A CN113152183A CN 113152183 A CN113152183 A CN 113152183A CN 202110394010 A CN202110394010 A CN 202110394010A CN 113152183 A CN113152183 A CN 113152183A
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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
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Abstract
The invention relates to a flyover, which is a two-layer flyover at a five-fork road. The overpass is provided with twenty-four lanes. Twenty-four lanes are: five straight lanes, six right-turning lanes, six left-turning lanes, six twice left-turning lanes and one crank-turning lane. The two layers of bridge surfaces of the overpass are in a shape of Chinese character 'ri', and the two layers of bridge surfaces are twenty-one-sided polygons formed by twenty line segments. In the two-layer bridge deck, a heptagon patio formed by seven line segments and an octagon patio formed by eight line segments are arranged. The overpass has four skylights. 1. Lanes 2, 4, 9, 10, 11, 12, 14, 19, 20, 21, 23, 24 pass through two decks one above the other. 3. Lanes 5, 6, 7, 8, 15 and 22 are all on one floor. 13. The No. 16 lane is on the second deck in the whole course. The two upper parts and the two lower parts of the No. 17 lane pass through two layers of bridge floors. Lane 16 is a crank shaped lane. The overpass has no ramp.
Description
Technical Field
The invention relates to an overpass, in particular to a two-layer overpass at a five-fork junction, which is different from the existing overpass.
Background
As is well known, the design of the flyover at the five-fork road is a world problem, and the flyover not only has a large number of lanes, but also has high levels. For example, a fly-over bridge for yellow oak bay in Chongqing is designed with five layers and fifteen ramps. The guidance of the Goodpasts map fails in this location and cannot be used. If the driver goes wrong, the driver can become a Chongqing day trip. Ten-mile stores in the metropolis are very tangled when the overpass is designed. Because no proper design drawing exists, the overpass is designed only by adopting a mode of one underground passage and planar canalization. The ground overpass is designed to be quite awkward. For another example, Shanghai Shanqing Pingjie bridge is called the first bridge of Asia. The occupied area is very large. For the Shanghai with the gold and small amount of soil, the occupied area of the land is too large. The Beijing Western vertical gate overpass is more frequently traffic-blocked, and the smiling line, story and segment ratio of the Western vertical gate overpass on the internet are all the same. The six characters of 'Xizhangmen overpass' are searched on the internet, and a big-push article can jump out.
This indicates that designing a flyover at a five-way intersection is very difficult. Is a world problem. The five-fork two-layer overpass has only two layers and only one bridge floor, and the occupied area is very small. It is hoped that a new way can be opened up for the design and research work in the field in China. The method is expected to make a contribution to solving the traffic jam problem of the large cities such as Beijing, Shanghai and the like. The method contributes to saving the construction cost of the overpass and the land used for the overpass. I hope that the west-straight flyover will be able to obtain new design patterns under the teaching of the present invention. The invention is a design scheme obtained by adding eight lanes communicated with an intersection of east, west, south and north on the basis of a patent applied for 4, month and 11 days in 2021 and a crossroad-shaped two-layer overpass (application number: 202110388407.6). And some of the lane trends of this scheme are modified appropriately.
Disclosure of Invention
A first part: figure 1 pattern-twenty-four lane travel pattern of overpass.
The invention relates to a flyover, which is a two-layer flyover at a five-fork road. The figure 1 pattern shows twenty-four lanes of an overpass arrangement. Twenty-four lanes are: five straight lanes, six right-turning lanes, six left-turning lanes, six twice left-turning lanes and a crank-turning lane. The five straight lanes are: a south-to-north straight lane 1, a north-to-south straight lane 2, an east-to-west straight lane 3, a west-to-east straight lane 4 and a branch-to-west straight lane 20. The six right-turn lanes are: the lane comprises a south-to-east turning lane 5, a north-to-west turning lane 6, an east-to-north turning lane 7, a west-to-south turning lane 8, a south-to-branch right turning lane 13 and a branch-to-north turning lane 18. The six right-turning lanes are arranged at four corners of the overpass and are arranged on the ground layer in the whole process (except for the lane 13 turning right from the southward branch line). The six left turning lanes are: the lane comprises a south-west left turning lane 9, a north-south left turning lane 10, an east-south left turning lane 11, a west-north left turning lane 12, a north-branch left turning lane 14 and a branch-south left turning lane 17. The six twice left-turning lanes are as follows: the lane comprises a southward coming vehicle turning lane 21, a northward coming vehicle turning lane 22, an east coming vehicle turning lane 23, a west coming vehicle turning lane 24, a branch line to east two times of left turning lane 19 and an east branch line to east two times of left turning lane 15. One crank-shaped turning lane is as follows: the lane 16 is turned by a west-branch crank. The second layer of the overpass is in a shape of Chinese character 'ri'. The two layers of bridge surfaces are twenty-one-edge shapes surrounded by twenty line segments. In the two-layer bridge deck, a heptagon patio formed by seven line segments and an octagon patio formed by eight line segments are arranged. The overpass has four skylights. The overpass has thirteen lanes (1, 2, 4, 9, 10, 11, 12, 14, 19, 20, 21, 23, 24) passing through two decks one above the other. Eight lanes (3, 5, 6, 7, 8, 15, 22) are all on one floor. 13. The No. 16 lane is on the second deck in the whole course. Two upper and two lower deck layers of No. 17 lane. Lane 16 is a crank shaped lane.
The overpass has five intersections. The north crossing has three entrance lanes on one level and two entrance lanes on two levels. And the five exit lanes are on one layer. The south crossing, the entrance lane, are all on two floors. Exit lanes, all in one floor. At the east intersection, five lanes are entered, and five lanes are all on the ground of one floor. At the west road junction, four lanes at the entrance are on the second floor, and one lane is on the first floor. The five lanes at the outlet are on one layer. At the east road junction, the entrance lane and the exit lane are all on one floor. The branch road junction, eight lanes, entrance lane, three in two layers and one in one layer. And three exit lanes are arranged on two layers, and one exit lane is arranged on one layer. The overpass has no ramp.
The eight-lane condition for realizing the intercommunication between the branch road junction and the four road junctions of east, west, south and north is as follows: the whole journey of the southward branch driveway 13 is on a second deck. Is a right-turn lane. The branch lane 14 from north is a left turning lane, initially passes through the bridge openings below lanes 20, 17 and 19 from north to south on the ground of one floor, turns left after passing through the bridge openings, and rises from the ground of one floor to the bridge floor of two floors from west to east through the ramp after turning. From east to branch lane 15, it appears somewhat like a turnaround lane. The whole process is on one floor. The branch lane 16 is a crank-shaped lane. The whole process is two layers of bridge surface. There are two turns, the first being a left turn and the second being a right turn. From the branch line to the south lane 17, it is a left turning lane, two upper and two lower bridge floors. The method is characterized in that the method comprises the steps of firstly, after the four lanes of 7, 1, 12 and 14 are crossed on a two-layer bridge surface, descending to the ground of one layer, turning left, ascending to cross three lanes of 3, 24 and 9 after the four lanes are crossed, and then descending to the ground of one layer again from the two-layer bridge surface. The lane 18 from the branch to the north is a right-turn lane. The whole process is on one floor. The lane 19 from the branch to the east is a lane with two left turns. The two left turns are both on the two-layer bridge floor. After turning, the bridge descends from the second deck to the first deck. The west lane 20 is a straight lane from the lateral line. Initially, after the No. 7, 1, 12 and 14 lanes under the bridge are crossed on the two-deck, the two-deck bridge is descended to the ground of one deck by the ramp. Then pass through the bridge opening with 2 and 10 lanes on the bridge opening. The turning lane 21 for the southbound coming vehicle is initially on the second deck, crosses lanes 4, 10, 19 and 23 below, and then descends to the ground of the first deck through the ramp in the skylight. Then turn left and move forward from east to west. After passing through the bridge opening with lanes 16, 12, 24, 23 and 11, turning left again, from north to south, and after passing through the bridge opening with lanes 19, 10, 24, 12, 16 and 4, continuing to move forward from north. The turn-around lane 22 of the northbound vehicle is on the ground of one floor. The turning lane 23 of the east coming vehicle initially passes through the bridge opening with lanes 1, 13, 16, 12 and 24 on the ground at the first floor and then rises from the ground at the first floor to the bridge floor at the second floor through the inner ramp of the skylight. Then turning left on the second deck. After turning, the steel plate is descended to the ground from the second deck to the first deck through a ramp in the shaft. After arriving at the ground level, the vehicle turns left again, runs from west to east and then passes through the bridge opening with lanes 24, 12, 16, 21, 9, 13 and 1 above. The turning lane 24 of the west-going vehicle runs from west to east on the second deck and runs from east to west after crossing lanes 2, 17, 21, 11, 10, 19, 23, 21, 9, 23 and 11 below. Two turns are arranged on the two layers of bridge surfaces of the No. 24 lane and are left turns. After the second turn, it descends from second floor to first floor via the ramp in the day well above, and then travels from east to west.
Four pedestrian passages are arranged on the ground of one floor of the overpass, road traffic signal lamps are arranged above the entrances of the vehicles coming from the straight lanes, and the pedestrians and the vehicles coming from and going to wait or pass according to the display of the road traffic signal lamps.
A second part: figure 2 pattern-figure 1 pattern two deck profile.
Figure 2 is a drawing of a two-deck profile of the figure 1 pattern. As can be seen from figure 2, the outline of the second layer of the overpass is in a shape of Chinese character ri, and the second layer of the overpass is a twenty-one-sided polygon formed by twenty line segments. Figure 2 is a pattern formed by wiping all lines on the two-layer bridge surface in figure 1 and keeping all lines on the bridge and under the bridge of the two-layer bridge surface. A heptagon courtyard surrounded by seven line segments and an octagon courtyard surrounded by eight line segments are arranged in the two-layer bridge surface of the overpass.
And a third part: the invention has the technical characteristics that:
1, the overpass has only two layers, and the overpass has only one deck with two layers.
2, the shape of the two layers of the bridge surface of the overpass is a Chinese character 'ri'. The outline of the two-layer bridge deck is a 21-sided polygon formed by 21 line segments.
And 3, a heptagon patio formed by the seven line segments and an octagon patio formed by the eight line segments are arranged in the two layers of bridge surfaces of the overpass.
4, on the two-layer bridge floor, the turning lane cannot be eliminated. Eight lanes 10, 11, 12, 13, 16, 19, 23 and 24 turn on the two-layer bridge surface.
5, the overpass has no ramp.
The fourth part: the invention has the beneficial effects that:
the overpass has a simple structure, only has one bridge deck, occupies less land and saves land. The hierarchy is low, and only two layers are provided. The building area is not large, and the investment is saved.
2, the overpass has few ramps, and 13 ramps are provided. Only one lane is arranged on the ramp with lanes 1, 4, 12, 17 and 24, and two or four lanes are arranged on the rest ramps, so that the ramps are shared.
3, the turning positions of No. 10, 11, 12, 13, 16, 19, 23 and 24 turning lanes of the overpass are all on a two-layer bridge surface, because the turning positions are all positioned at the central part of the overpass and are far away from the edge of the bridge surface. Therefore, the vehicle is safe to drive without worrying about the occurrence of the vehicle falling from the bridge.
Drawings
FIG. 1: the five-fork road junction two-layer overpass has twenty-four lane running graphs.
FIG. 2: figure 1 is a two-deck profile.
Detailed Description
In fig. 1, fig. 2 and the abstract drawings, the labeled numbers have the following meanings:
1: the first lane is a straight lane from south to north.
2: and the second lane is a straight lane from north to south.
3: lane three, the straight lane from east to west.
4: lane four, lane four going straight from west to east.
5: and the fifth lane turns from south to east.
6: and the sixth lane turns from north to west and turns right.
7: and the seventh lane turns from east to north and turns right.
8: and the eighth lane is a lane turning from the south to the right.
9: and the lane No. nine is a lane turning from south to west and left.
10: and the tenth lane turns from north to east.
11: and the lane No. eleven is a lane turning from the south to the left.
12: and the twelve-number lane turns left from west to north.
13: and the lane thirteen is a southward branch lane.
14: and a fourteen-number lane, which is a branch lane from north.
15: and the fifth lane is the east-to-branch lane.
16: the sixteenth lane is a west-direction branch lane.
17: and the seventeenth lane is from the branch line to the south lane.
18: eighteen lanes are from the branch line to the north lane.
19: the nineteen lanes are from the branch to the east.
20: the twenty-first lane is from the branch line to the west lane.
21: twenty-first lane, the turn-around lane for the southbound vehicle.
22: twenty-two lanes, the turn-around lane for the northbound vehicle.
23: twenty-third lane, turning lane for the east coming vehicle.
24: twenty-four lanes, the turning lane for the west coming vehicle.
In figures 1 and 2 and the abstract,
and 1, a black thick solid line is a lane passing through the two-layer bridge floor.
And 2, a thin solid line is the outline of the two-layer bridge floor.
And 3, a broken line consisting of thin dots, which is a lane invisible under the bridge deck.
4, the zebra crossing with a one-to-one black-white ratio is a lane on one floor.
And 5, the zebra crossing with the black-white ratio of three to one is a downhill lane.
The following is divided into four sections to describe in detail the embodiments of the present invention:
a first part: figure 1 pattern-twenty-four lane travel pattern of overpass.
The invention relates to a flyover, which is a two-layer flyover at a five-fork road. The figure 1 pattern shows twenty-four lanes of an overpass arrangement. Twenty-four lanes are: five straight lanes, six right-turning lanes, six left-turning lanes, six twice left-turning lanes and a crank-shaped turning lane. The five straight lanes are: a south-to-north straight lane 1, a north-to-south straight lane 2, an east-to-west straight lane 3, a west-to-east straight lane 4 and a branch-to-west straight lane 20. The six right-turn lanes are: the lane comprises a south-to-east turning lane 5, a north-to-west turning lane 6, an east-to-north turning lane 7, a west-to-south turning lane 8, a south-to-branch right turning lane 13 and a branch-to-north turning lane 18. The six right-turning lanes are arranged at four corners of the overpass and are arranged on the ground layer in the whole process (except for the lane 13 turning right from the southward branch line). The six left turning lanes are: the lane comprises a south-west left turning lane 9, a north-south left turning lane 10, an east-south left turning lane 11, a west-north left turning lane 12, a north-branch left turning lane 14 and a branch-south left turning lane 17. The six twice left-turning lanes are as follows: the lane comprises a southward coming vehicle turning lane 21, a northward coming vehicle turning lane 22, an east coming vehicle turning lane 23, a west coming vehicle turning lane 24, a branch line to east two times of left turning lane 19 and an east branch line to east two times of left turning lane 15. One crank-shaped turning lane is as follows: the lane 16 is turned by a west-branch crank. The second layer of the overpass is in a shape of Chinese character 'ri'. The two layers of bridge surfaces are twenty-one-edge shapes surrounded by twenty line segments. In the two-layer bridge deck, a heptagon patio formed by seven line segments and an octagon patio formed by eight line segments are arranged. The overpass has four skylights. The overpass has thirteen lanes (1, 2, 4, 9, 10, 11, 12, 14, 19, 20, 21, 23, 24) passing through two decks one above the other. Eight lanes (3, 5, 6, 7, 8, 15, 22) are all on one floor. 13. The No. 16 lane is on the second deck in the whole course. Two upper and two lower deck layers of No. 17 lane. Lane 16 is a crank shaped lane.
The overpass has five intersections. The north crossing has three entrance lanes on one level and two entrance lanes on two levels. And the five exit lanes are on one layer. The south crossing, the entrance lane, are all on two floors. Exit lanes, all in one floor. At the east intersection, five lanes are entered, and five lanes are all on the ground of one floor. At the west road junction, four lanes at the entrance are on the second floor, and one lane is on the first floor. The five lanes at the outlet are on one layer. At the east road junction, the entrance lane and the exit lane are all on one floor. The branch road junction, eight lanes, entrance lane, three in two layers and one in one layer. And three exit lanes are arranged on two layers, and one exit lane is arranged on one layer. The overpass has no ramp.
The eight-lane condition for realizing the intercommunication between the branch road junction and the four road junctions of east, west, south and north is as follows: the whole journey of the southward branch driveway 13 is on a second deck. Is a right-turn lane. The branch lane 14 from north is a left turning lane, initially passes through the bridge openings below lanes 20, 17 and 19 from north to south on the ground of one floor, turns left after passing through the bridge openings, and rises from the ground of one floor to the bridge floor of two floors from west to east through the ramp after turning. From east to branch lane 15, it appears somewhat like a turnaround lane. The whole process is on one floor. The branch lane 16 is a crank-shaped lane. The whole process is two layers of bridge surface. There are two turns, the first being a left turn and the second being a right turn. From the branch line to the south lane 17, it is a left turning lane, two upper and two lower bridge floors. The method is characterized in that the method comprises the steps of firstly, after the four lanes of 7, 1, 12 and 14 are crossed on a two-layer bridge surface, descending to the ground of one layer, turning left, ascending to cross three lanes of 3, 24 and 9 after the four lanes are crossed, and then descending to the ground of one layer again from the two-layer bridge surface. The lane 18 from the branch to the north is a right-turn lane. The whole process is on one floor. The lane 19 from the branch to the east is a lane with two left turns. The two left turns are both on the two-layer bridge floor. After turning, the bridge descends from the second deck to the first deck. The west lane 20 is a straight lane from the lateral line. Initially, after the No. 7, 1, 12 and 14 lanes under the bridge are crossed on the two-deck, the two-deck bridge is descended to the ground of one deck by the ramp. Then pass through the bridge opening with 2 and 10 lanes on the bridge opening. The turning lane 21 for the southbound coming vehicle is initially on the second deck, crosses lanes 4, 10, 19 and 23 below, and then descends to the ground of the first deck through the ramp in the skylight. Then turn left and move forward from east to west. After passing through the bridge opening with lanes 16, 12, 24, 23 and 11, turning left again, from north to south, and after passing through the bridge opening with lanes 19, 10, 24, 12, 16 and 4, continuing to move forward from north. The turn-around lane 22 of the northbound vehicle is on the ground of one floor. The turning lane 23 of the east coming vehicle initially passes through the bridge opening with lanes 1, 13, 16, 12 and 24 on the ground at the first floor and then rises from the ground at the first floor to the bridge floor at the second floor through the inner ramp of the skylight. Then turning left on the second deck. After turning, the steel plate is descended to the ground from the second deck to the first deck through a ramp in the shaft. After arriving at the ground level, the vehicle turns left again, runs from west to east and then passes through the bridge opening with lanes 24, 12, 16, 21, 9, 13 and 1 above. The turning lane 24 of the west-going vehicle runs from west to east on the second deck and runs from east to west after crossing lanes 2, 17, 21, 11, 10, 19, 23, 21, 9, 23 and 11 below. Two turns are arranged on the two layers of bridge surfaces of the No. 24 lane and are left turns. After the second turn, it descends from second floor to first floor via the ramp in the day well above, and then travels from east to west.
Four pedestrian passages are arranged on the ground of one floor of the overpass, road traffic signal lamps are arranged above the entrances of the vehicles coming from the straight lanes, and the pedestrians and the vehicles coming from and going to wait or pass according to the display of the road traffic signal lamps.
A second part: figure 2 pattern-figure 1 pattern two deck profile.
Figure 2 is a drawing of a two-deck profile of the figure 1 pattern. As can be seen from figure 2, the outline of the second layer of the overpass is in a shape of Chinese character ri, and the second layer of the overpass is a twenty-one-sided polygon formed by twenty line segments. Figure 2 is a pattern formed by wiping all lines on the two-layer bridge surface in figure 1 and keeping all lines on the bridge and under the bridge of the two-layer bridge surface. A heptagon courtyard surrounded by seven line segments and an octagon courtyard surrounded by eight line segments are arranged in the two-layer bridge surface of the overpass.
And a third part: the invention has the technical characteristics that:
1, the overpass has only two layers, and the overpass has only one deck with two layers.
2, the shape of the two layers of the bridge surface of the overpass is a Chinese character 'ri'. The outline of the two-layer bridge deck is a 21-sided polygon formed by 21 line segments.
And 3, a heptagon patio formed by the seven line segments and an octagon patio formed by the eight line segments are arranged in the two layers of bridge surfaces of the overpass.
4, on the two-layer bridge floor, the turning lane cannot be eliminated. Eight lanes 10, 11, 12, 13, 16, 19, 23 and 24 turn on the two-layer bridge surface.
5, the overpass has no ramp.
The fourth part: the invention has the beneficial effects that:
the overpass has a simple structure, only has one bridge deck, occupies less land and saves land. The hierarchy is low, and only two layers are provided. The building area is not large, and the investment is saved.
2, the overpass has few ramps, and 13 ramps are provided. Only one lane is arranged on the ramp with lanes 1, 4, 12, 17 and 24, and two or four lanes are arranged on the rest ramps, so that the ramps are shared.
3, the turning positions of No. 10, 11, 12, 13, 16, 19, 23 and 24 turning lanes of the overpass are all on a two-layer bridge surface, because the turning positions are all positioned at the central part of the overpass and are far away from the edge of the bridge surface. Therefore, the vehicle is safe to drive without worrying about the occurrence of the vehicle falling from the bridge.
Claims (5)
1. A two-layer overpass at a five-fork road is characterized in that: the overpass is a two-layer overpass at a five-fork road; the overpass is provided with twenty-four lanes; twenty-four lanes are: five straight lanes, six right-turning lanes, six left-turning lanes, six twice left-turning lanes and one crank-turning lane; the five straight lanes are: a south-to-north straight lane 1, a north-to-south straight lane 2, an east-to-west straight lane 3, a west-to-east straight lane 4 and a branch-to-west straight lane 20; the six right-turn lanes are: a south-to-east right turning lane 5, a north-to-west right turning lane 6, an east-to-north right turning lane 7, a west-to-south right turning lane 8, a south-to-branch right turning lane 13 and a branch-to-north right turning lane 18; the six right turning lanes are arranged at four corners of the overpass, and the whole process is arranged on the ground layer except for the right turning lane 13 from the south branch; the six left turning lanes are: a south-west left turning lane 9, a north-south left turning lane 10, an east-south left turning lane 11, a west-north left turning lane 12, a north-branch left turning lane 14 and a branch-south left turning lane 17; the six twice left-turning lanes are as follows: a southward coming vehicle turning lane 21, a northward coming vehicle turning lane 22, an east coming vehicle turning lane 23, a west coming vehicle turning lane 24, a branch line to east two-time left turning lane 19 and an east branch line to east two-time left turning lane 15; a crank turning lane is as follows: a lane 16 is turned by a west branch crank; the second layer of bridge deck of the overpass is in a shape of Chinese character 'ri', and the second layer of bridge deck is a twenty-one-side shape surrounded by twenty line segments; a heptagon patio formed by the seven line segments and an octagon patio formed by the eight line segments are arranged in the two-layer bridge deck; the overpass is provided with four skylights; 1. 2, 4, 9, 10, 11, 12, 14, 19, 20, 21, 23, 24 lanes, passing through two layers of bridge deck one above the other; 3. lanes 5, 6, 7, 8, 15, 18 and 22 are all on the ground of one floor; 13. the No. 16 lane is positioned on a second deck in the whole course; the upper part and the lower part of the No. 17 lane pass through a second layer of bridge deck; lane 16 is the crank turn lane; 10. lanes 11, 12, 13, 16, 19, 23 and 24 turn on the second deck; the overpass has only two layers, and the overpass has only one bridge floor with two layers; the overpass has no ramp.
2. The five-way junction two-layer overpass according to claim 1, characterized in that: the overpass has five intersections; the north crossing is provided with entrance lanes, three entrance lanes are on the first floor, and two entrance lanes are on the second floor; the five exit lanes are on one layer; the south crossing and the entrance lane are all on two layers; the exit lanes are all on one floor; at the east intersection, five lanes are entered, and five lanes are all on the ground of one floor; at a west road junction, four lanes at an entrance are on the second floor, and one lane is on the first floor; five lanes at the outlet are on one layer; at the east road junction, the entrance lane and the exit lane are all on one layer; the branch road junction, eight lanes and entrance lanes are arranged at two layers, and one lane is arranged at one layer; and three exit lanes are arranged on two layers, and one exit lane is arranged on one layer.
3. The five-way junction two-layer overpass according to claim 1, characterized in that: the eight-lane condition for realizing the intercommunication between the branch road junction and the four road junctions of east, west, south and north is as follows: the southward branch lane 13 is positioned on the second deck in the whole process; is a right-turn lane; the branch lane 14 in the north direction is a left turning lane, initially passes through bridge openings below lanes 20, 17 and 19 from the north direction to the south direction on the ground of one floor, turns left after passing through the bridge openings, and rises from the ground of one floor to the bridge floor of two floors from the west direction to the east direction through a ramp after turning; from east to the branch lane 15, it looks somewhat like a turnaround lane; the whole process is on one floor; a branch lane 16 in the shape of a crank; the whole process is on a second deck; there are two turns, the first one is a left turn and the second one is a right turn; a branch line to a south lane 17 is a left turning lane, and two upper layers and two lower layers of bridge floors; at the beginning, after crossing four lanes of 7, 1, 12 and 14 on the second deck, descending to the ground of the first deck, turning left, after turning, ascending to cross three lanes of 3, 24 and 9, and then descending to the ground of the first deck again from the second deck; a right-turn lane which is a lane from the branch line to the north lane 18; the whole process is on one floor; a lane 19 turning from a branch line to the east is provided with two lanes turning left; the two left bends are both arranged on the second deck; after turning, descending the slope and descending the bridge from the second deck to the first deck; the west lane 20 is a straight lane from the branch line; at the beginning, after a No. 7, 1, 12 and 14 driveways cross under the bridge on the second deck, descending to the first floor by the ramp; then pass through the bridge opening with 2 and 10 lanes on the bridge opening.
4. The five-way junction two-layer overpass according to claim 1, characterized in that: the turn-around lane condition for the coming vehicle in four directions is realized as follows: the turning lane 21 of the southbound coming vehicle is firstly on the second deck, and descends to the first floor through the ramp in the skylight after crossing lanes No. 4, No. 10, No. 19 and No. 23 below; turning left and moving forwards from east to west; after passing through the bridge openings with lanes 16, 12, 24, 23 and 11, turning left again, and continuing to move forward from north to south after passing through the bridge openings with lanes 19, 10, 24, 12, 16 and 4; the turn-around lane 22 of the northbound vehicle is on the ground of one floor in the whole process; the U-turn lane 23 of the east coming vehicle is initially arranged on the first floor, passes through the bridge opening with lanes 1, 13, 16, 12 and 24 on the upper surface, and then ascends from the first floor to the second floor through the skylight inner ramp; then turning left on the second deck; after turning, descending from the second deck to the first floor through a ramp in the shaft; after arriving at the ground of one floor, turning left again, running from west to east, and then passing through a bridge opening with lanes 24, 12, 16, 21, 9, 13 and 1 above; the turning lane 24 of the vehicle coming from the west runs from the west to the east on a second deck, and runs from the east to the west after crossing lanes 2, 17, 21, 11, 10, 19, 23, 21, 9, 23 and 11 below; two turns are arranged on the second deck of the No. 24 lane, and both the turns are left turns; after the second turn, it descends from second floor to first floor via the ramp in the day well above, and then travels from east to west.
5. The five-way junction two-layer overpass according to claim 1, characterized in that: four pedestrian passages are arranged on the ground of one floor of the overpass; a road traffic signal lamp is arranged above the entrance of the straight lane; the pedestrians and vehicles waiting or passing according to the display of the road traffic signal lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| FR2044688A1 (en) * | 1969-02-19 | 1971-02-26 | Omnia Internal Building | |
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| CN101967784A (en) * | 2009-10-29 | 2011-02-09 | 廖大中 | Combined structure of four L-shaped tunnels turning in same direction |
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