CN105256678A - Crossroad four-plane flyover - Google Patents
Crossroad four-plane flyover Download PDFInfo
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- CN105256678A CN105256678A CN201510702584.1A CN201510702584A CN105256678A CN 105256678 A CN105256678 A CN 105256678A CN 201510702584 A CN201510702584 A CN 201510702584A CN 105256678 A CN105256678 A CN 105256678A
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Abstract
The invention relates to a flyover, in particular to a crossroad four-plane flyover. The four planes comprise two horizontal planes and two ramp planes, the first-layer ground and the second-layer deck are two horizontal planes, and a deck from the first layer to the second layer and a deck from the first layer to the third layer are two ramp planes. The flyover is provided with twelve lanes, four right-turning lanes and two left-turning lanes are arranged on the first-layer ground, the other two left-turning lanes are arranged on the second-layer deck, two through lanes are arranged on the deck from the first layer to the second layer, and the other two through lanes are arranged on the deck from the first layer to the third layer. The deck from the first layer to the second layer and the deck from the first layer to the third layer are ramp decks, and the second layer deck is a horizontal plane. Horizontal planes are used in the turning lanes, ramp planes are used in the through lanes, and the three decks are supported by three flyover bodies. In order to solve the passage problem of passing pedestrians, four pedestrian paths are arranged on the first-layer ground of the flyover, and meanwhile road traffic signal lamps used by the passing pedestrians and passing vehicles are arranged.
Description
Technical field
The present invention relates to a kind of overpass bridge, in particular, the present invention relates to a kind of four, crossroad plane overpass bridge being different from existing overpass bridge.
Background technology
Overpass at crossroads has four sweeps of turning left, and in order to realize vehicle pass-through, existing overpass bridge sweep of turning left generally is arranged on ring road.The bridge floor of ring road is curved surface, not horizontally planar.The passing overpass bridge of vehicle, turn round, and climb and fall, easily forms driving accident on one side.The accident that falls down from the bridge happened occasionally, the overwhelming majority occurs on this overpass bridge.Such as: the accident that falls down from the bridge for twice that Tianjin Ba Litai overpass bridge occurs.For this situation, four, the crossroad plane overpass bridge not having ring road is proposed here.Overpass bridge two sweeps of turning left are arranged on one deck ground, and two other sweep of turning left is arranged on two layers of bridge floor.Two layers of bridge floor are horizontal planes, and vehicle turns round on the bridge floor of level, and the vehicle that turns round is without climb and fall.In addition, two layers of bridge floor arrange the arc divider wall that three are forced vehicle turnings, and two sweeps of turning left are wrapped in centre by arc divider wall, and the vehicle that makes to turn round avoids the accident of falling down from the bridge and head-on confrontation.
Summary of the invention
Overpass bridge of the present invention is four, crossroad plane overpass bridge.Four planes comprise two horizontal planes, two ramp planes.One deck ground and two layers of bridge floor are two horizontal planes, and one to two layer of bridge floor, one to three layer of bridge floor are two ramp planes.Overpass bridge arranges 12 tracks.One deck ground arranges four turn right sweep and two sweeps of turning left, and two layers of bridge floor arranges two other and to turn left sweep, and one to two layer of bridge floor arranges two direct lanes, and one to three layer of bridge floor arranges two other direct lane.One to two layer of bridge floor and one to three layer of bridge floor are ramp bridge floors, and two layers of bridge floor are horizontal bridge floors.Turn round track use horizontal plane, and direct lane uses ramp plane.Three bridge floors are by three bridge support.In order to solve the current problem of pedestrians, be provided with four walkwaies on one deck ground of overpass bridge, and be provided with the road traffic signal lamp that pedestrians and car share simultaneously.Eight parts are divided into describe summary of the invention in detail below:
Part I: four, the crossroad plane overpass bridge track plan of establishment
The track plan of establishment of four the plane overpass bridges in crossroad is: one deck ground arranges four turn right sweep and two sweeps of turning left, two layers of bridge floor arranges two other and to turn left sweep, one to two layer of bridge floor arranges two direct lanes, and one to three layer of bridge floor arranges two other direct lane.
Part II: one deck ground
Fig. 1, Fig. 2 are that figure is moved towards in track, one deck ground, arrange the sweep of turning left sent a car in four turn right sweep and two north-souths.Article four, sweep of turning right is: to be turned right sweep by north west, to be turned right sweep by west south, to be turned right sweep by south east, to be turned right sweep by north east.Article two, the sweep of turning left that send a car in north-south is: to be turned left sweep by south orientation west, to be turned left sweep by north orientation east.This is two adjacent two-way lanes accompanied.Namely the figure that track, six, one deck ground in Figure 14 uses is Fig. 1.Namely the figure that track, six, one deck ground in Figure 13 uses is Fig. 2.
Fig. 3, Fig. 4 are that figure is moved towards in track, one deck ground, arrange the sweep of turning left that four turn right sweep and two East and West directions are sent a car.Article four, sweep of turning right is: to be turned right sweep by north west, to be turned right sweep by west south, to be turned right sweep by south east, to be turned right sweep by north east.Article two, the sweep of turning left that East and West direction is sent a car is: to be turned left sweep by east orientation south, northwards to be turned left sweep by west.This is two adjacent two-way lanes accompanied.Namely the figure that track, six, one deck ground in Figure 16 uses is Fig. 3.Namely the figure that track, six, one deck ground in Figure 15 uses is Fig. 4.
Fig. 1 paint to be turned left sweep by south orientation west, and turning left curved by south orientation west before this, and then turned right by north east curved, is finally turn left curved by south orientation west, turned altogether three curved.The seven sections of lines be made up of four sections of straight lines and three sections of camber lines.The three sections of lines be then made up of two sections of straight lines and one section of camber line the eastern sweep of turning left of north orientation.The situation of Fig. 2 and Fig. 1 is just in time contrary, is three sections of lines by south orientation west sweep of turning left, and is seven sections of lines by north orientation east sweep of turning left.
Fig. 3 paint northwards to be turned left sweep by west, and turning left curved northwards by west before this, and then turned right by south east curved, is finally turn left curved northwards by west, turned altogether three curved.The seven sections of lines be made up of four sections of straight lines and three sections of camber lines.The three sections of lines be then made up of two sections of straight lines and one section of camber line the southern sweep of turning left of east orientation.The situation of Fig. 4 and Fig. 3 is just in time contrary, is three sections of lines by west sweep of northwards turning left, and is seven sections of lines by east orientation south sweep of turning left.
Fig. 1, Fig. 2, Fig. 3, Fig. 4 paint two sweeps of turning left feature be: the adjacent sweep of turning left accompanied in two, one deck ground, the seven sections of lines be made up of four sections of straight lines and three sections of camber lines a sweep of turning left, three sections of lines that an other sweep of turning left then is made up of two sections of straight lines and one section of camber line.
On one deck ground of overpass bridge, four walkwaies are set, road traffic signal lamp is set above four corners of the world four direction sends a car import department.Pedestrian, vehicle according to the display of road traffic signal lamp, can wait or pass through.Realize pedestrian and vehicle alternately current.Road traffic signal lamp adopts two step endless form: pedestrian → vehicle → pedestrian → vehicle ...Each bar walkway from one to two layer of bridge floor, one to three layer of bridge floor, two layers of bridge floor below by.
Part III: two layers of bridge floor
Fig. 5, Fig. 6, Fig. 7, Fig. 8 are that figure is moved towards in two layers of bridge floor track.Two layers of bridge floor arranges two other and to turn left sweep.Two layers of bridge floor are horizontal planes.Fig. 5, Fig. 6 are that the sweep of turning left that two East and West directions are sent a car moves towards figure.Article two, the sweep of turning left that East and West direction is sent a car is: to be turned left sweep by east orientation south, northwards to be turned left sweep by west.This is two adjacent two-way lanes accompanied.To be turned left sweep by east orientation south in Fig. 5, turning left curved by east orientation south before this, and then turned right by north west curved, is finally turn left curved by east orientation south, turned altogether three curved.The seven sections of lines be made up of four sections of straight lines and three sections of camber lines.Northwards to be turned left three sections of lines that sweep is then made up of two sections of straight lines and one section of camber line by west.The situation of Fig. 6 and Fig. 5 is just in time contrary, is three sections of lines by east orientation south sweep of turning left, and is seven sections of lines by west sweep of northwards turning left.Namely the figure that two sweeps of turning left in Figure 13 use is Fig. 5.Namely the figure that two sweeps of turning left in Figure 14 use is Fig. 6.
Two layers of bridge floor arranges two other and to turn left sweep.Fig. 7, Fig. 8 are that the sweep of turning left sent a car in two north-souths moves towards figure.Article two, the sweep of turning left that send a car in north-south is: to be turned left sweep by south orientation west, to be turned left sweep by north orientation east.This is two adjacent two-way lanes accompanied.To be turned left sweep by south orientation west in Fig. 7, turning left curved by south orientation west before this, and then turned right by north east curved, is finally turn left curved by south orientation west, turned altogether three curved.The seven sections of lines be made up of four sections of straight lines and three sections of camber lines.The three sections of lines be then made up of two sections of straight lines and one section of camber line the eastern sweep of turning left of north orientation.The situation of Fig. 8 and Fig. 7 is just in time contrary, is three sections of lines by south orientation west sweep of turning left, and is seven sections of lines by north orientation east sweep of turning left.Namely the figure that two sweeps of turning left in Figure 15 use is Fig. 7.Namely the figure that two sweeps of turning left in Figure 16 use is Fig. 8.
Arrange the arc divider wall that three are forced vehicle turning in Fig. 5, Fig. 6, Fig. 7, Fig. 8, two sweeps of turning left are wrapped in centre by arc divider wall, and vehicle can be made to avoid the accident of falling down from the bridge and head-on confrontation.
Fig. 5, Fig. 6, Fig. 7, Fig. 8 paint two sweeps of turning left feature be: two layers of bridge floor, two adjacent sweeps of turning left accompanied, the seven sections of lines be made up of four sections of straight lines and three sections of camber lines a sweep of turning left, three sections of lines that an other sweep of turning left then is made up of two sections of straight lines and one section of camber line.
It is rectangular shaped that Fig. 5, Fig. 6, Fig. 7, Fig. 8 paint two layers of bridge floor shape.
Part IV: one to two layer of bridge floor
Fig. 9 is that figure is moved towards in one to two layer of bridge floor track, arranges two East and West direction direct lanes.Article two, direct lane is: direct lane and from west to east direct lane from east to west.One to two layer of bridge floor is ramp bridge floor.Highest point is two layers, and lowest part is one deck ground.At Figure 15, Tu20Zhong, high in the east and low in the west, direct lane is gug from east to west, and direct lane is up gradient from west to east.At Figure 16, Tu19Zhong, Xi Gaodong is low, and direct lane is up gradient from east to west, and direct lane is gug from west to east.
Figure 10 is that figure is moved towards in one to two layer of bridge floor track, arranges two north-south direct lanes.Article two, direct lane is: from south to north direct lane and by north orientation south direct lane.One to two layer of bridge floor is ramp bridge floor.Highest point is two layers, and lowest part is one deck ground.At Figure 13, Tu18Zhong, high south, north is low, and direct lane is up gradient from south to north, is gug by north orientation south direct lane.At Figure 14, Tu17Zhong, high in the south and low in the north, direct lane is gug from south to north, is up gradient by north orientation south direct lane.
It is ramp bridge floor that Fig. 9, Figure 10 paint one to two layer of bridge floor.Fig. 9, Figure 10 paint one to two layer of bridge floor shape be in-line shape.
Part V: one to three layer of bridge floor
Figure 11 is that figure is moved towards in one to three layer of bridge floor track, arranges two East and West direction direct lanes.Article two, direct lane is: direct lane and from west to east direct lane from east to west.One to three layer of bridge floor is ramp bridge floor.Highest point is three layers, and lowest part is one deck.At Figure 13, Tu17Zhong, high in the east and low in the west, direct lane is gug from east to west, and direct lane is up gradient from west to east.At Figure 14, Tu18Zhong, Xi Gaodong is low, and direct lane is up gradient from east to west, and direct lane is gug from west to east.The bridge floor of direct lane, ramp bridge floor is reduced investment outlay than horizontal bridge floor.
Figure 12 is that figure is moved towards in one to three layer of bridge floor track, arranges two north-south direct lanes.Article two, direct lane is: from south to north direct lane and by north orientation south direct lane.One to three layer of bridge floor is ramp bridge floor.Highest point is three layers, and lowest part is one deck.At Figure 15, Tu20Zhong, high south, north is low, and direct lane is up gradient from south to north, is gug by north orientation south direct lane.At Figure 16, Tu19Zhong, high in the south and low in the north, direct lane is gug from south to north, is up gradient by north orientation south direct lane.Figure 11, Figure 12 paint one to three layer of bridge floor shape be in-line shape.
Part VI: the ramp length of overpass bridge
The length in one to two layer of bridge floor ramp: suppose that the height of two layers of bridge floor is 7 meters, the gradient calculates by 4%, and so, the ramp length of two layers of bridge floor is: 7 ÷ 4%=175 rice.Article two, the length in ramp is: 175 × 2=350 rice.
The length in one to three layer of bridge floor ramp: suppose that one to three layer of bridge floor maximum height is 14 meters, the gradient calculates by 4%, and so, the ramp length of one to three layer of bridge floor is: 14 ÷ 4%=350 rice.Article two, the ramp length of one to three layer of bridge floor is: 350 × 2=700 rice.
The length in two layers of bridge floor ramp: two layers of bridge floor have four ramps, supposes that the height of two layers of bridge floor is 7 meters, and the gradient calculates by 4%, and so, the ramp length of two layers of bridge floor is: 7 ÷ 4%=175 rice.Article four, the length in ramp is: 175 × 4=700 rice.
Overpass bridge ramp total length: 350+700+700=1750 rice
Part VII: figure is moved towards in overpass bridge 12 tracks
Figure 13 to Figure 20 is that figure is moved towards in overpass bridge 12 tracks.The relation of Figure 13 and Figure 14 to Figure 18 is: Figure 14 is the figure that Figure 13 revolves turnback, and Figure 15 is the figure that Figure 13 dextrorotation turn 90 degrees, and Figure 16 is that Figure 13 turns clockwise the figure of 270 degree.Figure 13 overturns by Figure 17 up and down, and all arrows is reverse, then numeral 1 to 12 is inserted appropriate location in figure.About Figure 13 overturns by Figure 18, and all arrows is reverse, then numeral 1 to 12 is inserted appropriate location in figure.Figure 19 is the figure that Figure 17 dextrorotation turn 90 degrees.Figure 20 is the figure that Figure 18 dextrorotation turn 90 degrees.The relation of Fig. 1 and Fig. 2, Fig. 3, Fig. 4 is: Fig. 2 is the figure that Fig. 1 revolves turnback, and Fig. 3 is the figure that Fig. 1 dextrorotation turn 90 degrees, and Fig. 4 is that Fig. 1 turns clockwise the figure of 270 degree.The relation of Fig. 5 and Fig. 6, Fig. 7, Fig. 8 is: Fig. 5 is the figure that Fig. 6 revolves turnback, and Fig. 7 is the figure that Fig. 5 dextrorotation turn 90 degrees, and Fig. 8 is that Fig. 5 turns clockwise the figure of 270 degree.
Part VIII: relevant pontic gives up the suggestion of bridge pier
In order to draw the bitter lesson of high speed riverhead, Jiangxi, Guangdong ring road fracture collapse accident, Harbin three ring efforts of everyone viaduct ring road capsizing case, 104 Shangyu, national highway Zhejiang light of spring overpass bridge cave-in accidents, Shanxi, Tianjin expressway ramp bridge cave-in accident, Henan Yi Chang bridge cave-in accident, the pontic of suggestion overpass bridge gives up bridge pier, the pontic under overpass bridge bridge floor and ramp, make the body of wall with brick one-tenth into.Clay filling is used in body of wall inside.When having track or walkway under bridge floor, leave bridge opening.Highly not too high solid pontic not easily collapses, and cost will lower than bridge pier pontic.
Overpass bridge of the present invention has following beneficial effect:
(1) overpass bridge has six tracks to be arranged on one deck ground, and these six tracks do not need to arrange bridge, reduce the cost of overpass bridge.Overpass bridge has three bridge floors.Routinely, if three horizontal bridge floors, so, the highest bridge floor should be four layers of bridge floor.Because one to two layer of bridge floor is ramp bridge floor, less than two layers are made to hold three planes.Overpass bridge maximum height is made to become three layers.Therefore, this design scheme can reduce the cost of overpass bridge further.
(2) floor space of overpass bridge is little, saves the area.
(3) overpass bridge of the present invention is taked multinomial measure to take precautions against vehicle to fall down from the bridge accident.Wherein most effective measures arrange arc divider wall.Two sweeps of turning left are wrapped in centre by arc divider wall, and vehicle can be made to avoid the accident of falling down from the bridge and head-on confrontation.
Accompanying drawing explanation
Fig. 1: four, one deck ground send a car sweep of turning left of sweep and two north-souths of turning right moves towards figure.
The another kind of technique of painting of Fig. 2: Fig. 1.
Fig. 3: four, one deck ground send a car sweep of turning left of sweep and two East and West directions of turning right moves towards figure.
The another kind of technique of painting of Fig. 4: Fig. 3.
Figure is moved towards in Fig. 5: two layers of bridge floor track.
The second technique of painting of Fig. 6: Fig. 5.
The third technique of painting of Fig. 7: Fig. 5.
The 4th kind of technique of painting of Fig. 8: Fig. 5.
Fig. 9: one to two layer of bridge floor two East and West directions direct lane of sending a car moves towards figure.
Figure 10: one to two layer of bridge floor two north-souths direct lane of sending a car moves towards figure.
Figure 11: one to three layer of bridge floor two East and West directions direct lane of sending a car moves towards figure.
Figure 12: one to three layer of bridge floor two north-souths direct lane of sending a car moves towards figure.
Figure 13: figure is moved towards in overpass bridge 12 tracks.
Figure 14: figure is moved towards in overpass bridge 12 tracks.
Figure 15: figure is moved towards in overpass bridge 12 tracks.
Figure 16: figure is moved towards in overpass bridge 12 tracks.
Figure 17: figure is moved towards in overpass bridge 12 tracks.
Figure 18: figure is moved towards in overpass bridge 12 tracks.
Figure 19: figure is moved towards in overpass bridge 12 tracks.
Figure 20: figure is moved towards in overpass bridge 12 tracks.
Detailed description of the invention
In Fig. 1 to Figure 20 and Figure of abstract to mark digital connotation as follows: 1: number track, from south to north a direct lane.2: No. two tracks, by north orientation south direct lane.3: No. three tracks, from east to west direct lanes.4: No. four tracks, from west to east direct lanes.5: No. five tracks, to be turned right sweep by south east.6: No. six tracks, to be turned right sweep by north west.7: No. seven tracks, to be turned right sweep by north east.8: No. eight tracks, to be turned right sweep by west south.9: No. nine tracks, to be turned left sweep by south orientation west.10: No. ten tracks, to be turned left sweep by north orientation east.11: ride on Bus No. 11 track, to be turned left sweep by east orientation south.12: ten No. two tracks, northwards to be turned left sweep by west.13-walkway 14-road traffic signal lamp 15-forces the arc divider wall of vehicle turning
The present invention paints each figure, one deck ground contour extra fine wire bar, one to two layer of slightly thicker lines of bridge floor profile, two layers of thicker lines of bridge floor profile, one to three layer of the thickest lines of bridge floor profile.
Overpass bridge has three bridge floors.Three bridge floors are: one to two layer of bridge floor, two layers of bridge floor, one to three layer of bridge floor.One to two layer of bridge floor and one to three layer of bridge floor are ramp bridge floors, and two layers of bridge floor are horizontal bridge floors.Three bridge floors are by three bridge support.Eight parts are divided into describe the specific embodiment of the present invention in detail below:
Part I: four, the crossroad plane overpass bridge track plan of establishment
The track plan of establishment of four the plane overpass bridges in crossroad is: overpass bridge arranges 12 tracks.One deck ground arranges four turn right sweep and two sweeps of turning left, and one to two layer of bridge floor arranges two direct lanes, and one to three layer of bridge floor arranges two other direct lane, and two layers of bridge floor arranges two other and to turn left sweep.
Part II: one deck ground
Fig. 1, Fig. 2 are that figure is moved towards in track, one deck ground, arrange the sweep of turning left sent a car in four turn right sweep and two north-souths.Article four, sweep of turning right is: to be turned right sweep 6 by north west, to be turned right sweep 8 by west south, to be turned right sweep 5 by south east, to be turned right sweep 7 by north east.Article two, the sweep of turning left that send a car in north-south is: to be turned left sweep 9 by south orientation west, to be turned left sweep 10 by north orientation east.This is two adjacent two-way lanes accompanied.Namely the figure that track, six, one deck ground in Figure 14 uses is Fig. 1.Namely the figure that track, six, one deck ground in Figure 13 uses is Fig. 2.
Fig. 3, Fig. 4 are that figure is moved towards in track, one deck ground, arrange the sweep of turning left that four turn right sweep and two East and West directions are sent a car.Article four, sweep of turning right is: to be turned right sweep 6 by north west, to be turned right sweep 8 by west south, to be turned right sweep 5 by south east, to be turned right sweep 7 by north east.Article two, the sweep of turning left that East and West direction is sent a car is: to be turned left sweep 11 by east orientation south, northwards to be turned left sweep 12 by west.This is two adjacent two-way lanes accompanied.Namely the figure that track, six, one deck ground in Figure 16 uses is Fig. 3.Namely the figure that track, six, one deck ground in Figure 15 uses is Fig. 4.
Fig. 1 paint to be turned left sweep 9 by south orientation west, and turning left curved by south orientation west before this, and then turned right by north east curved, is finally turn left curved by south orientation west, turned altogether three curved.The seven sections of lines be made up of four sections of straight lines and three sections of camber lines.The three sections of lines be then made up of two sections of straight lines and one section of camber line the eastern sweep 10 of turning left of north orientation.The situation of Fig. 2 and Fig. 1 is just in time contrary, is three sections of lines by south orientation west sweep 9 of turning left, and is seven sections of lines by north orientation east sweep 10 of turning left.
Fig. 3 paint northwards to be turned left sweep 12 by west, and turning left curved northwards by west before this, and then turned right by south east curved, is finally turn left curved northwards by west, turned altogether three curved.The seven sections of lines be made up of four sections of straight lines and three sections of camber lines.The three sections of lines be then made up of two sections of straight lines and one section of camber line the southern sweep 11 of turning left of east orientation.The situation of Fig. 4 and Fig. 3 is just in time contrary, is three sections of lines by west sweep 12 of northwards turning left, and is seven sections of lines by east orientation south sweep 11 of turning left.
Fig. 1, Fig. 2, Fig. 3, Fig. 4 paint two sweeps of turning left feature be: the adjacent sweep of turning left accompanied in two, one deck ground, the seven sections of lines be made up of four sections of straight lines and three sections of camber lines a sweep of turning left, three sections of lines that an other sweep of turning left then is made up of two sections of straight lines and one section of camber line.
On one deck ground of overpass bridge, four walkwaies 13 are set, road traffic signal lamp 14 is set above four corners of the world four direction sends a car import department.Pedestrian, vehicle according to the display of road traffic signal lamp 14, can wait or pass through.Realize pedestrian and vehicle alternately current.Road traffic signal lamp 14 adopts two step endless form: pedestrian → vehicle → pedestrian → vehicle ...Each bar walkway from one to two layer of bridge floor, one to three layer of bridge floor, two layers of bridge floor below by.
Part III: two layers of bridge floor
Fig. 5, Fig. 6, Fig. 7, Fig. 8 are that figure is moved towards in two layers of bridge floor track.Two layers of bridge floor arranges two other and to turn left sweep.Two layers of bridge floor are horizontal bridge floors.Fig. 5, Fig. 6 are that the sweep of turning left that two East and West directions are sent a car moves towards figure.Article two, the sweep of turning left that East and West direction is sent a car is: to be turned left sweep 11 by east orientation south, northwards to be turned left sweep 12 by west.This is two adjacent two-way lanes accompanied.To be turned left sweep 11 by east orientation south in Fig. 5, turning left curved by east orientation south before this, and then turned right by north west curved, is finally turn left curved by east orientation south, turned altogether three curved.The seven sections of lines be made up of four sections of straight lines and three sections of camber lines.Northwards to be turned left three sections of lines that sweep 12 is then made up of two sections of straight lines and one section of camber line by west.The situation of Fig. 6 and Fig. 5 is just in time contrary, is three sections of lines by east orientation south sweep 11 of turning left, and is seven sections of lines by west sweep 12 of northwards turning left.Namely the figure that two sweeps of turning left in Figure 13 use is Fig. 5.Namely the figure that two sweeps of turning left in Figure 14 use is Fig. 6.
Two layers of bridge floor arranges two other and to turn left sweep.Fig. 7, Fig. 8 are that the sweep of turning left sent a car in two north-souths moves towards figure.Article two, the sweep of turning left that send a car in north-south is: to be turned left sweep 9 by south orientation west, to be turned left sweep 10 by north orientation east.This is two adjacent two-way lanes accompanied.To be turned left sweep 9 by south orientation west in Fig. 7, turning left curved by south orientation west before this, and then turned right by north east curved, is finally turn left curved by south orientation west, turned altogether three curved.The seven sections of lines be made up of four sections of straight lines and three sections of camber lines.The three sections of lines be then made up of two sections of straight lines and one section of camber line the eastern sweep 10 of turning left of north orientation.The situation of Fig. 8 and Fig. 7 is just in time contrary, is three sections of lines by south orientation west sweep 9 of turning left, and is seven sections of lines by north orientation east sweep 10 of turning left.Namely the figure that two sweeps of turning left in Figure 15 use is Fig. 7.Namely the figure that two sweeps of turning left in Figure 16 use is Fig. 8.
Arrange the arc divider wall 15 that three are forced vehicle turning in Fig. 5, Fig. 6, Fig. 7, Fig. 8, two sweeps of turning left are wrapped in centre by arc divider wall 15, and vehicle can be made to avoid the accident of falling down from the bridge and head-on confrontation.
Fig. 5, Fig. 6, Fig. 7, Fig. 8 paint two sweeps of turning left feature be: two layers of bridge floor, two adjacent sweeps of turning left accompanied, the seven sections of lines be made up of four sections of straight lines and three sections of camber lines a sweep of turning left, three sections of lines that an other sweep of turning left then is made up of two sections of straight lines and one section of camber line.
It is rectangular shaped that Fig. 5, Fig. 6, Fig. 7, Fig. 8 paint two layers of bridge floor shape.
Part IV: one to two layer of bridge floor
Fig. 9 is that figure is moved towards in one to two layer of bridge floor track, arranges two East and West direction direct lanes.Article two, direct lane is: direct lane 3 and from west to east direct lane 4 from east to west.One to two layer of bridge floor is ramp bridge floor.Highest point is two layers, and lowest part is one deck ground.At Figure 15, Tu20Zhong, high in the east and low in the west, direct lane 3 is gugs from east to west, and direct lane 4 is up gradients from west to east.At Figure 16, Tu19Zhong, Xi Gaodong is low, and direct lane 3 is up gradients from east to west, and direct lane 4 is gugs from west to east.
Figure 10 is that figure is moved towards in one to two layer of bridge floor track, arranges two north-south direct lanes.Article two, direct lane is: from south to north direct lane 1 and by north orientation south direct lane 2.One to two layer of bridge floor is ramp bridge floor.Highest point is two layers, and lowest part is one deck ground.At Figure 13, Tu18Zhong, high south, north is low, and direct lane 1 is up gradient from south to north, is gugs by north orientation south direct lane 2.At Figure 14, Tu17Zhong, high in the south and low in the north, direct lane 1 is gug from south to north, is up gradients by north orientation south direct lane 2.
It is ramp bridge floor that Fig. 9, Figure 10 paint one to two layer of bridge floor, Fig. 9, Figure 10 paint one to two layer of bridge floor shape be in-line shape.
Part V: one to three layer of bridge floor
Figure 11 is that figure is moved towards in one to three layer of bridge floor track, arranges two East and West direction direct lanes.Article two, direct lane is: direct lane 3 and from west to east direct lane 4 from east to west.One to three layer of bridge floor is ramp bridge floor.Highest point is three layers, and lowest part is one deck.At Figure 13, Tu17Zhong, high in the east and low in the west, direct lane 3 is gugs from east to west, and direct lane 4 is up gradients from west to east.At Figure 14, Tu18Zhong, Xi Gaodong is low, and direct lane 3 is up gradients from east to west, and direct lane 4 is gugs from west to east.The bridge floor of direct lane, ramp bridge floor is reduced investment outlay than horizontal bridge floor.
Figure 12 is that figure is moved towards in one to three layer of bridge floor track, arranges two north-south direct lanes.Article two, direct lane is: from south to north direct lane 1 and by north orientation south direct lane 2.One to three layer of bridge floor is ramp bridge floor.Highest point is three layers, and lowest part is one deck.At Figure 15, Tu20Zhong, high south, north is low, and direct lane 1 is up gradient from south to north, is gugs by north orientation south direct lane 2.At Figure 16, Tu19Zhong, high in the south and low in the north, direct lane 1 is gug from south to north, is up gradients by north orientation south direct lane 2.Figure 11, Figure 12 paint one to three layer of bridge floor shape be in-line shape.
Part VI: the ramp length of overpass bridge
The length in one to two layer of bridge floor ramp: suppose that the height of two layers of bridge floor is 7 meters, the gradient calculates by 4%, and so, the ramp length of two layers of bridge floor is: 7 ÷ 4%=175 rice.Article two, the length in ramp is: 175 × 2=350 rice.
The length in one to three layer of bridge floor ramp: suppose that one to three layer of bridge floor maximum height is 14 meters, the gradient calculates by 4%, and so, the ramp length of one to three layer of bridge floor is: 14 ÷ 4%=350 rice.Article two, the ramp length of one to three layer of bridge floor is: 350 × 2=700 rice.
The length in two layers of bridge floor ramp: two layers of bridge floor have four ramps, supposes that the height of two layers of bridge floor is 7 meters, and the gradient calculates by 4%, and so, the ramp length of two layers of bridge floor is: 7 ÷ 4%=175 rice.Article four, the length in ramp is: 175 × 4=700 rice.
Overpass bridge ramp total length: 350+700+700=1750 rice
Part VII: figure is moved towards in overpass bridge 12 tracks
Figure 13 to Figure 20 is that figure is moved towards in overpass bridge 12 tracks.The relation of Figure 13 and Figure 14 to Figure 20 is: Figure 14 is the figure that Figure 13 revolves turnback, and Figure 15 is the figure that Figure 13 dextrorotation turn 90 degrees, and Figure 16 is that Figure 13 turns clockwise the figure of 270 degree.Figure 13 overturns by Figure 17 up and down, and all arrows is reverse, then numeral 1 to 12 is inserted appropriate location in figure.About Figure 13 overturns by Figure 18, and all arrows is reverse, then numeral 1 to 12 is inserted appropriate location in figure.Figure 19 is the figure that Figure 17 dextrorotation turn 90 degrees.Figure 20 is the figure that Figure 18 dextrorotation turn 90 degrees.The relation of Fig. 1 and Fig. 2, Fig. 3, Fig. 4 is: Fig. 2 is the figure that Fig. 1 revolves turnback, and Fig. 3 is the figure that Fig. 1 dextrorotation turn 90 degrees, and Fig. 4 is that Fig. 1 turns clockwise the figure of 270 degree.The relation of Fig. 5 and Fig. 6, Fig. 7, Fig. 8 is: Fig. 5 is the figure that Fig. 6 revolves turnback, and Fig. 7 is the figure that Fig. 5 dextrorotation turn 90 degrees, and Fig. 8 is that Fig. 5 turns clockwise the figure of 270 degree.
Part VIII: relevant pontic gives up the suggestion of bridge pier
In order to draw the bitter lesson of high speed riverhead, Jiangxi, Guangdong ring road fracture collapse accident, Harbin three ring efforts of everyone viaduct ring road capsizing case, 104 Shangyu, national highway Zhejiang light of spring overpass bridge cave-in accidents, Shanxi, Tianjin expressway ramp bridge cave-in accident, Henan Yi Chang bridge cave-in accident, the pontic of suggestion overpass bridge gives up bridge pier, the pontic under overpass bridge bridge floor and ramp, make the body of wall with brick one-tenth into.Clay filling is used in body of wall inside.When having track or walkway under bridge floor, leave bridge opening.Highly not too high solid pontic not easily collapses, and cost will lower than bridge pier pontic.
Claims (6)
1. four, a crossroad plane overpass bridge, is characterized in that: four planes of described overpass bridge comprise two horizontal planes, two ramp planes; Two horizontal planes are one deck ground and two layers of bridge floor, and two ramp planes are one to two layer of bridge floor and one to three layer of bridge floor.
2. four, crossroad according to claim 1 plane overpass bridge, it is characterized in that: overpass bridge has 12 tracks, one deck ground arranges four turn right sweep and two sweeps of turning left, two layers of bridge floor arranges two other and to turn left sweep, one to two layer of bridge floor arranges two direct lanes, and one to three layer of bridge floor arranges two other direct lane.
3. four, crossroad according to claim 1 plane overpass bridge, it is characterized in that: the adjacent sweep of turning left accompanied in two, one deck ground, the seven sections of lines be made up of four sections of straight lines and three sections of camber lines a track, three sections of lines that another track is made up of two sections of straight lines and one section of camber line; Two layers of bridge floor, two adjacent sweeps of turning left accompanied, the seven sections of lines be made up of four sections of straight lines and three sections of camber lines a track, three sections of lines that another track is made up of two sections of straight lines and one section of camber line.
4. four, crossroad according to claim 1 plane overpass bridge, is characterized in that: it is rectangular shaped that Fig. 5, Fig. 6, Fig. 7, Fig. 8 paint two layers of bridge floor shape; Fig. 9, Figure 10 paint one to two layer of bridge floor shape be in-line shape; Figure 11, Figure 12 paint one to three layer of bridge floor shape be in-line shape.
5. four, crossroad according to claim 1 plane overpass bridge, is characterized in that: one to two layer of bridge floor and one to three layer of bridge floor are ramp bridge floors; Two layers of bridge floor are horizontal bridge floors.
6. four, crossroad according to claim 1 plane overpass bridge, is characterized in that: the crossing, four, one deck ground of overpass bridge arranges walkway; And road traffic signal lamp is set above the import department that sends a car; Pedestrians, car, according to the display of road traffic signal lamp, wait or pass through.
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| CN1267764A (en) * | 1999-03-18 | 2000-09-27 | 陈传庚 | Construction method of disc-type left-handed overpass |
| CN2558687Y (en) * | 2002-04-05 | 2003-07-02 | 李华绪 | Semi-sink four-decking bedding overpass |
| CN2921085Y (en) * | 2006-06-08 | 2007-07-11 | 蔡寿庭 | Double-X shape left turning overpass |
| CN102286904A (en) * | 2011-06-10 | 2011-12-21 | 邱世军 | Four-layer overpass at intersection |
| CN102322005A (en) * | 2011-06-30 | 2012-01-18 | 逄承麟 | Flyover |
| CN202194041U (en) * | 2011-06-30 | 2012-04-18 | 逄承麟 | Flyover |
| CN102605692A (en) * | 2012-03-14 | 2012-07-25 | 贾德玉 | Unobstructed flyover |
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- 2015-10-23 CN CN201510702584.1A patent/CN105256678A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1267764A (en) * | 1999-03-18 | 2000-09-27 | 陈传庚 | Construction method of disc-type left-handed overpass |
| CN2558687Y (en) * | 2002-04-05 | 2003-07-02 | 李华绪 | Semi-sink four-decking bedding overpass |
| CN2921085Y (en) * | 2006-06-08 | 2007-07-11 | 蔡寿庭 | Double-X shape left turning overpass |
| CN102286904A (en) * | 2011-06-10 | 2011-12-21 | 邱世军 | Four-layer overpass at intersection |
| CN102322005A (en) * | 2011-06-30 | 2012-01-18 | 逄承麟 | Flyover |
| CN202194041U (en) * | 2011-06-30 | 2012-04-18 | 逄承麟 | Flyover |
| CN102605692A (en) * | 2012-03-14 | 2012-07-25 | 贾德玉 | Unobstructed flyover |
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