CN1445413A - Straight bridge with changeable paths type crossroads - Google Patents
Straight bridge with changeable paths type crossroads Download PDFInfo
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- CN1445413A CN1445413A CN 03117421 CN03117421A CN1445413A CN 1445413 A CN1445413 A CN 1445413A CN 03117421 CN03117421 CN 03117421 CN 03117421 A CN03117421 A CN 03117421A CN 1445413 A CN1445413 A CN 1445413A
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Abstract
A gallop bridge of lane-changeable straight bridge type is composed of two longitudinal low-height lane-changeable straight bridges, two low-height grabens, the transverse dual-lane crossed bridge, 4 approach bridges, and two turn left bridge. Its advantages are high speed and safety of vehicles, simple structure and less possesses ground.
Description
Technical field
The present invention relates to overpass bridge, particularly a kind of straight bridge changeable paths type overpass bridge.
Background technology
When the vehicle left lateral in the road will with reverse track form crossing (otherwise then) in the country of vehicle left lateral this be impassable, unless adopt grade separation.The changeable paths type overpass bridge replaces the retrograde road, direct motion road in the road by the lane change bridge, makes vehicle be false road occupying and drives in the wrong direction; Finish it traffic direction after once more lane change be reduced to normality.By lane change, former track of intersecting with it becomes non-intersect, and then other track vehicle that a track can be undertaken forward import and flow out; Improved the utilization rate of road.Solid is intersected the problem that could solve be converted into the plane to greatest extent along handing over.By lane change, vehicle crosses at the parting of the ways and has finished the various of it before the prerequisite and turn to, and has evacuated the wagon flow that combines in 28 directions in crossing and has crossed and make road smooth and easy.
Chinese patent CN1389627 has announced a kind of S type bridge, craspedodrome bridge, two pass S type bridge that is located on each road of crossing that comprise, described S type bridge or two pass S type bridge are to overlook S-type bridge, it is set up in vertical road belt road and enters the crossing before by the right lane of center line and by between the left-lane of center line, and described craspedodrome crane span structure is located at the two ends at vertical road turnover crossing.Though this scheme has solved the full intercommunication problem at crossing, on the reasonability of its structure design and economy, be not optimum.As this scheme 7 standard bridge * and a underpass type tunnel.What adopt in the lane change measure is S type bridge, though the overpass bridge of several utilization lane change Mechanism Design of announcing at CN1215112, CN1164597, CN1105084, CN1135554 all is rich in intention, but none is not to adopt S type bridge, this type bridge has hidden danger to the safety traffic of vehicle, it is because of being: overpass bridge is sayed passing through fast exactly of pursuit under the prerequisite of safety, a kind of really potential safety hazard of the double turning of vehicle is when the S of this double turning type bridge appears at descending by it under the situation fast in speed, that the bridge road is narrow.
Summary of the invention
The invention provides a kind of straight bridge changeable paths type overpass bridge that can overcome above-mentioned shortcoming, the lane change bridge adopts the method for straight bridge, to improve the safety that vehicle passes through fast, thereby improve the handling capacity of overpass bridge, only use 6 standard bridges (during no underpass type tunnel) when adopting the design of optimizing to make it to intersect 6 tracks in 6 tracks.Technical scheme of the present invention is as follows:
Vertical road of cross is provided with two straight bridging bridge 7,8 starting points and is positioned at inboard, forward road separately, shortcut mouth place, center 16,17 is connected as a single entity with the descending 1/2 length of grade place of left-hand rotation bridge 5,6 to terminal, and terminal point terminates in inboard, reverse separately road, long way mouth place; This bridge is the 1/2 low clearance bridge by height, and two 1/2 lane change graben 14,15 starting points by height are positioned at inboard, road forward separately, long way mouth place, finishes lane change after wearing two bridges center 16,17 arranged side by side down, and terminal point terminates in shortcut mouth place reverse separately road interim orbit; This graben and center 16,17 infalls are the height that passes through of road; As long as 1/2 satisfy both sums for not limitting its ratio by height but the degree of depth of the height of bridge and graben is not limited to each, infall is provided with two-wire bridge crossing 9 at belt road (major trunk roads) crossing, it and 4 straight bridging road access bridges 1,2,3,4 are connected as a single entity, the starting point of access bridge 2,4 places separately forward the inboard, road to finish lane change in craspedodrome, and terminal point is that access bridge 1,3 terminates in inboard, reverse separately road finish the reduction lane change in craspedodrome; Also be provided with two left-hand rotation bridges, 5,6 starting points and place inboard, reverse separately road on belt road, terminal point terminates in the reverse road of vertical road interim orbit, and this bridge is connected as a single entity to rising to light to the last period and the access bridge 2,4 of two-wire bridge crossing 9.Bicycle and pavement 10,11,12,13 connect 4 in road to the angular direction for the underpass type tunnel places crossing below to be the X type.Pedestrian's ladder step 18 nonmotorized vehicle lanes 19.
Description of drawings
Below in conjunction with accompanying drawing the embodiment of the invention is elaborated.But content of the present invention is not limited only to content related among the embodiment.
Fig. 1 is plane signal and the vehicle flow graph of embodiment 1.
Fig. 2 is that the axle of embodiment 1 is surveyed schematic diagram.
Fig. 3 is plane signal and the vehicle flow graph of embodiment 2.
Fig. 4 is that the axle of embodiment 2 is surveyed schematic diagram.
Fig. 5 is bicycle, the pavement floor map of embodiment 1,2.
Fig. 6 is a kind of no bridge construction floor map of embodiment 3.
Fig. 7 is the floor map of embodiment 4.
Fig. 8 is plane signal and the vehicle flow graph of embodiment 5.
Void is scribed ss lane line among the figure, the lane line of imaginary point line for being covered by bridge, and arrow is represented lane function and vehicular movement direction.The density line represent graben from the superficial to the deep thickness be the bosom.But the partial cutaway figure of Fig. 7 double as Fig. 1 is in order to the direction of traffic of seeing clearly under the bridge.
Embodiment 1
Be provided with two straight bridging bridge 7,8 starting points referring to vertical road of Fig. 1,2,5 crosses and be positioned at inboard, forward road separately, shortcut mouth place, center 16,17 is connected as a single entity with the descending 1/2 length of grade place of left-hand rotation bridge 5,6 to terminal, and terminal point terminates in inboard, reverse separately road, long way mouth place; This bridge is the 1/2 low clearance bridge by height, and two 1/2 lane change graben 14,15 starting points by height are positioned at inboard, road forward separately, long way mouth place, wears down to finish the lane change terminal point behind the two bridges center 16,17 arranged side by side and terminate in shortcut mouth place reverse separately road interim orbit; This graben and center 16,17 infalls are the height that passes through of road; As long as 1/2 satisfy both sums for not limitting its ratio by height but the degree of depth of the height of bridge and graben is not limited to each, infall is provided with two-wire bridge crossing 9 at belt road (major trunk roads) crossing, it and 4 straight bridging road access bridges 1,2,3,4 are connected as a single entity, the starting point of access bridge 2,4 places separately forward the inboard, road to finish lane change in craspedodrome, and terminal point is that access bridge 1,3 terminates in inboard, reverse separately road finish the reduction lane change in craspedodrome; On belt road, also be provided with two left-hand rotation bridges, 5,6 starting points and place inboard, reverse separately road, terminal point terminates in the reverse road of vertical road interim orbit, this bridge is connected as a single entity to rising to light to the last period and the access bridge 2,4 of two-wire bridge crossing 9, bicycle pavement 10,11,12,13 is the underpass type tunnel, being arranged at intersection is the X type below ground and connects 4 at crossing to the angular direction, in the middle of nonmotorized vehicle lane 19 was put, pedestrian's ladder step 18 placed the bicycle both sides.
Its vehicle flows to shown in Fig. 1 arrow:
1, vertically the right lateral car in road is directly turned right and is finished right-hand bend.
2, straightgoing vehicle passes two-wire bridge crossing 9 and takes back and sail straight bridging bridge 8 into and finish lane change, finishes the reduction lane change behind the following bridge and keeps straight on and finish.
3, the left-hand rotation car is finished lane change and is sailed reverse road interim orbit into and get back to ground after 1/2 graben 14 by height passes two bridges and routine center 17, takes back to pass two-wire bridge crossing 9 and enter the reverse road of belt road interim orbit, finishes reduction lane change and left-hand bend.
4, belt road right-hand rotation car is directly turned right and is finished right-hand bend.
5, connect bridge 1 under the straightgoing vehicle, sail access bridge 4 into and keep straight on, in craspedodrome, finish lane change, finish craspedodrome by access bridge 3 back reduction lane changes.
6, finish lane change after connecting bridge 1 under the left lateral car, sail left-hand rotation bridge 6 into after, directly turn left to finish reduction lane change and left-hand bend.
This figure is two-way holohedral symmetry, in addition the wagon flow direction of both direction and above-mentioned in full accord.Embodiment 2
The vertical road that intersects referring to Fig. 3,4 cross roads is provided with two straight bridging bridges 7,8, starting point is positioned at forward road inboard separately, shortcut mouth place, terminal point terminates in inboard, reverse road separately, long way mouth place, it not with left-hand rotation bridge 5,6 disjunctors, vertically road direct motion road left-hand rotation car is worn straight bridging bridge 7,8 centers up and down from ground level road to enter reverse separately road inboard and implement lane change.From the contrast of Fig. 3 and Fig. 2, can find out, the difference of present embodiment and embodiment 1 only is that straight bridging bridge 7,8 is viaduct, it not with left-hand rotation bridge 5,6 disjunctors, 1/2 by the therefore cancellation of height cutting 14,15, all the other structures and vehicle flow to all with embodiment 1 one to, state so do not tire out.
Referring to Fig. 6, the straight bridging road method of straight bridge changeable paths type overpass bridge, be equally applicable to underground individual layer traffic network system, there is not structure more than the present embodiment ground line, vertical road of cross road is provided with the underpass type tunnel 7 of two straight way lane changes, 8, its starting point is positioned at inboard, road forward separately, shortcut mouth place, terminal point terminates in inboard, reverse separately road, long way mouth place, former bridge 1 on belt road, 2,3,4,5,6,9 are replaced by the underpass type tunnel, in vehicle intersection with ground level bridge 20,21,22,23, the underground single-layer completely intercommunicating flyover that 24 cross-over connections constitute in the two sides, tunnel.Present embodiment layout structure and embodiment 2 are in full accord, and different places is to change bridge into the underpass type tunnel, its vehicular movement direction and embodiment 2 one to, so tired stating.
Referring to Fig. 7, vertical road of cross road is provided with straight bridging bridge 7,8, its starting point is parallel with the terminal point of left-hand rotation bridge 5,6, except that forward by-pass and reverse by-pass and with bridge 7,8 one section craspedodrome road arranged side by side be 1/2 by the height graben, having only arranged side by side one section of two left changing lanes coming from vertical road and left-hand rotation bridge 5,6 on the belt road is 1/2 by graben highly, all the other structures and embodiment 1 one to.
Because it is 1/2 by height that the employing of graben makes the altimeter of bridge, therefore the gradient can be added to 6% because the longitudinal gradient of bridge is short, therefore the length of bridge will reduce 2/3, the standard bridge quantity of this scheme is 4, because highly low viaduct that neither be truly, its form of expression only is an embankment, only with the cutting infall bridge of striding of a section several meters or tens meters is being arranged.Through the simple about 5200m of excavation that calculates present embodiment
3, and the about 6300m of excavation in a two-wire cross-line underpass type tunnel
3Use less than the excavation in 1 two-wire cross-line underpass type tunnel and save 3 bridges because graben is much simpler than the tunnel to the supporting of abutment wall, thereby this embodiment is the construction method of a kind of straight bridge changeable paths type overpass bridge the most economic among the present invention, and not electing optimum implementation 1 as is because it is not good enough in the non-separation of solution machine.
Embodiment 5
Referring to Fig. 8, vertical road of cross is provided with two the 1/2 straight bridging bridges 7,8 of low clearance by height, starting point is positioned at inboard, road forward separately, shortcut mouth place, terminal point terminates in inboard, reverse separately road, long way mouth place, and the center 16,17 is alignd with the l/2 length of grade of left-hand rotation bridge 5,6 descendings that come from belt road; Article two, l/2 is positioned at inboard, road forward separately, long way mouth place by graben 14,15 starting points of height, wears two bridges center arranged side by side, 16,17 back terminal points down and terminates in shortcut mouth place reverse separately road interim orbit and get back to ground and finish lane change.
Belt road is provided with a two-wire cross-line underpass type tunnel 25, article two, left-hand rotation bridge 5,6 starting points place separately that forward the road interim orbit is parallel with tunnel 25 starting points, terminal point terminates in the reverse separately road of vertical road interim orbit, and its vehicle flows to difference with embodiment 1 and only is that the straightgoing vehicle of belt road walks the underpass type tunnel and keep straight on.Two the underpass type bicycle pedestrian's street crossing tunnels 26,27 that are vertically arranged with at road, diagonal is provided with bicycle pedestrian's street crossing overline bridge 28 above intersection, and the center bridge pier is no longer established side by side and as support in the center and left-hand rotation bridge 5,6 centers.
The design of present embodiment optimization is only used bed rearrangement render meritorious service bridge
Bar standard bridge is brought into play the advantage of changeable paths type overpass bridge to best.Only with a two-wire cross-line underpass type tunnel and two each 1/3 standard bridges under long 1/2 the preceding topic by the height graben, the lacking of the used bridge number of present embodiment to reach the limit.And can thoroughly solve the non-separation of machine.
Industrial applicability the present invention has following advantage:
1, overcome that the CN1389627 scheme adopts S type bridge and under also having one in the situation that 7 bridges are arranged Wear the weak point in formula tunnel. Adopt straight bridging road to make vehicle avoid repeated turns and improve peace at bridge Full property and Negotiation speed, optimum design make it only to use 6 standard bridges when 6/6 intersects 6/6 track.
2, adopt two to only have 1/2 to use less a bridge by the cutting of height, promoted the economy of viaduct The property.
3, its economy is best when whole employings 1/2 are passed through the height graben by low clearance bridge highly and 1/2.
4, saved outward extending ring road and do not taken up an area of, under the crowded relatively environment in urban space, the building around the road has not been removed.
5, improved the engineering economy of overpass bridge without the underpass type tunnel.Because of saying with respect to bridge, the underpass type construction of tunnel is big, long in time limit, cost is high.
6, because the bed rearrangement bridge is the ground single layer structure, can bicycle, pavement be set below the intersection easily, thoroughly solve the non-separation of machine, particularly important to bustling crossing, city.
7, the four direction of road all can be realized tune.
8, because therefore single layer structure can become the overpass bridge that does not have bridge with all bridges with the replacement of underpass type tunnel easily! The cost of only managing the underpass type tunnel is higher than bridge, but it can adapt to some specific environment: such as road is historical relic level ancient building all around.This highway section is again commercial bustling district or traffic main artery, as build viaduct hinder around the human landscape, do not have the overpass bridge of the bridge satisfactory to both parties plan of can yet be regarded as in such cases.
9, adopt the mode of bridge tunnel combination that the present invention is only used
The bar bridge, and realize full intercommunication, and can thoroughly solve the non-separation of machine.
* the Wei Biaozhunqiao of institute, it is the definition that this paper introduces, meaning is promptly: suppose bridge to pass through highly be 5 meters, the gradient in 4%, its access bridge length is 125 meters, the total length of bridge is that a standard bridge is long for 2 * 125 meters=250 meters, weigh the quantity number of each scheme jackshaft with this, though the scheme bridge number that has less but very long or very high, with the length quantitative comparison of bridge, to weigh the engineering economy of each scheme.Such as having only 5 bridges (4+2 half a bar bridge) from Fig. 1 among the present invention, but access bridge 1,3 is very long, respectively be that half bar standard bridge ankylose is counted Yi Tiaoqiao, so the present invention is 6 standard bridges.
Claims (6)
1, a kind of straight bridge changeable paths type overpass bridge is characterized in that vertical road of cross is provided with two
Straight bridging bridge 7,8 starting points of bar are positioned at inboard, forward road separately, shortcut mouth place, and center 16,17 is connected as a single entity with the descending 1/2 length of grade place of left-hand rotation bridge 5,6 to terminal, and terminal point terminates in inboard, reverse separately road, long way mouth place; This bridge is the 1/2 low clearance bridge by height, and two 1/2 lane change graben 14,15 starting points by height are positioned at inboard, road forward separately, long way mouth place, wears down to finish the lane change terminal point behind the two bridges center 16,17 arranged side by side and terminate in shortcut mouth place reverse separately road interim orbit; This graben and center 16,17 infalls are the height that passes through of road; As long as 1/2 satisfy both sums for not limitting its ratio by height but the degree of depth of the height of bridge and graben is not limited to each, infall is provided with two-wire bridge crossing 9 at belt road (major trunk roads) crossing, it and 4 straight bridging road access bridges 1,2,3,4 are connected as a single entity, the starting point of access bridge 2,4 places separately forward the inboard, road to finish lane change in craspedodrome, and terminal point is that access bridge 1,3 terminates in inboard, reverse separately road finish the reduction lane change in craspedodrome; On belt road, also be provided with two left-hand rotation bridges, 5,6 starting points and place inboard, reverse separately road, terminal point terminates in the reverse road of vertical road interim orbit, this bridge is connected as a single entity to rising to light to the last period and the access bridge 2,4 of two-wire bridge crossing 9, bicycle pavement 10,11,12,13 is the underpass type tunnel, being arranged at intersection is the X type below ground and connects 4 at crossing to the angular direction, in the middle of nonmotorized vehicle lane 19 was put, pedestrian's ladder step 18 placed the bicycle both sides.
2, straight bridge changeable paths type overpass bridge according to claim 1, it is characterized in that: vertical road that cross road intersects is provided with two straight bridging bridges 7,8, starting point is positioned at forward road inboard separately, shortcut mouth place, terminal point terminates in inboard, reverse road separately, long way mouth place, it not with left-hand rotation bridge 5,6 disjunctors, vertically road direct motion road left-hand rotation car is worn straight bridging bridge 7,8 centers up and down from ground level road to enter reverse separately road inboard and implement lane change.
3, the straight bridging road method of straight bridge changeable paths type overpass bridge according to claim 1, be equally applicable to underground individual layer traffic network system, it is characterized in that there is not structure more than the ground line, vertical road of cross road is provided with the underpass type tunnel 7 of two straight way lane changes, 8, its starting point is positioned at inboard, road forward separately, shortcut mouth place, terminal point terminates in inboard, reverse separately road, long way mouth place, former bridge 1 on belt road, 2,3,4,5,6,9 are replaced by the underpass type tunnel, in vehicle intersection with ground level bridge 20,21,22,23, the underground single-layer completely intercommunicating flyover that 24 cross-over connections constitute in the two sides, tunnel.
4, straight bridge changeable paths type overpass bridge according to claim 1 is characterized in that: vertical road of cross road is provided with straight bridging bridge 7,8, its starting point is parallel with the terminal point of left-hand rotation bridge 5,6, except that forward by-pass and reverse by-pass and with bridge 7,8 one section craspedodrome road arranged side by side be 1/2 by the height graben, having only arranged side by side one section of two left changing lanes coming from vertical road and left-hand rotation bridge 5,6 on the belt road is 1/2 by graben highly.
5, straight bridge changeable paths type overpass bridge according to claim 1, the vertical road that it is characterized in that cross is provided with two the 1/2 straight bridging bridges 7,8 of low clearance by height, starting point is positioned at inboard, road forward separately, shortcut mouth place, terminal point terminates in inboard, reverse separately road, long way mouth place, and the center 16,17 is alignd with 1/2 length of grade of left-hand rotation bridge 5,6 descendings that come from belt road; Article two, 1/2 graben 14,15 starting points by height are positioned at inboard, road forward separately, long way mouth place, wear two bridges center arranged side by side, 16,17 back terminal points down and terminate in shortcut mouth place reverse separately road interim orbit and get back to ground and finish lane change; Belt road is provided with a two-wire cross-line underpass type tunnel 25, article two, left-hand rotation bridge 5,6 starting points place separately that forward the road interim orbit is parallel with tunnel 25 starting points, terminal point terminates in the reverse separately road of vertical road interim orbit, and its vehicle flows to difference with embodiment 1 and only is that the straightgoing vehicle of belt road walks the underpass type tunnel and keep straight on.Two the underpass type bicycle pedestrian's street crossing tunnels 26,27 that are vertically arranged with at road, diagonal is provided with bicycle pedestrian's street crossing overline bridge 28 above intersection, and the center bridge pier is no longer established side by side and as support in the center and left-hand rotation bridge 5,6 centers.
6,, it is characterized in that the straight bridge changeable paths type overpass bridge of designed construction and do not limit the number of track-lines of road according to claim 1,2,3,4, one of 5 described straight bridge changeable paths type overpass bridges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03117421 CN1206411C (en) | 2003-03-10 | 2003-03-10 | Straight bridge with changeable paths type crossroads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03117421 CN1206411C (en) | 2003-03-10 | 2003-03-10 | Straight bridge with changeable paths type crossroads |
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| Publication Number | Publication Date |
|---|---|
| CN1445413A true CN1445413A (en) | 2003-10-01 |
| CN1206411C CN1206411C (en) | 2005-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03117421 Expired - Fee Related CN1206411C (en) | 2003-03-10 | 2003-03-10 | Straight bridge with changeable paths type crossroads |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220735A (en) * | 2011-03-21 | 2011-10-19 | 刘金国 | Steel structure movable overpass for crossroad traffic |
| CN102747657A (en) * | 2012-06-26 | 2012-10-24 | 赵树峰 | T road barrier-free all-pass combined transportation hub |
| CN103590291A (en) * | 2013-03-01 | 2014-02-19 | 李文泽 | Crossroad and T road all-directional no-parking flyover |
| CN107476154A (en) * | 2017-09-20 | 2017-12-15 | 湖南省格知科技有限公司 | Viaduct |
| CN110195389A (en) * | 2018-02-26 | 2019-09-03 | 缪卓伦 | The Chinese reverse left lateral smooth overpass of junction type |
-
2003
- 2003-03-10 CN CN 03117421 patent/CN1206411C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220735A (en) * | 2011-03-21 | 2011-10-19 | 刘金国 | Steel structure movable overpass for crossroad traffic |
| CN102747657A (en) * | 2012-06-26 | 2012-10-24 | 赵树峰 | T road barrier-free all-pass combined transportation hub |
| CN102747657B (en) * | 2012-06-26 | 2014-11-26 | 赵树峰 | T road barrier-free all-pass combined transportation hub |
| CN103590291A (en) * | 2013-03-01 | 2014-02-19 | 李文泽 | Crossroad and T road all-directional no-parking flyover |
| WO2014131331A1 (en) * | 2013-03-01 | 2014-09-04 | Li Wenze | Crossroad and t junction all-direction continuous-flow overpasses |
| CN107476154A (en) * | 2017-09-20 | 2017-12-15 | 湖南省格知科技有限公司 | Viaduct |
| CN110195389A (en) * | 2018-02-26 | 2019-09-03 | 缪卓伦 | The Chinese reverse left lateral smooth overpass of junction type |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1206411C (en) | 2005-06-15 |
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