US20150284913A1 - Municipal crossroads structure - Google Patents

Municipal crossroads structure Download PDF

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Publication number
US20150284913A1
US20150284913A1 US14/441,967 US201214441967A US2015284913A1 US 20150284913 A1 US20150284913 A1 US 20150284913A1 US 201214441967 A US201214441967 A US 201214441967A US 2015284913 A1 US2015284913 A1 US 2015284913A1
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United States
Prior art keywords
artery
tunnel
vehicles
low
traffic jam
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Abandoned
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US14/441,967
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English (en)
Inventor
Su Tim Fok
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Individual
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Individual
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Abandoned legal-status Critical Current

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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
    • E01C1/002—Design or lay-out of roads, e.g. street systems, cross-sections ; Design for noise abatement, e.g. sunken road
    • 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
    • E01C1/02—Crossings, junctions or interconnections between roads on the same level
    • 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings

Definitions

  • the present invention relates to a municipal road structure, and particularly to a municipal crossroads structure.
  • An interchange project at the crossing usually last several years and occupies a lot of precious land resources of the city, and building a multi-layer interchange at a busy road segment in downtown will reduce business value of locations around the interchange. Due to these factors, it is impossible to build a multi-layer interchange at most of crossroads in a city and thereby cause a bottleneck effect and cause vehicles to get into a more serious traffic jam at next crossing after passing the multi-layer interchange; regarding crossroads employing a high headroom tunnel, the headroom of the tunnel must be kept higher, usually up to five meters, to enable large vehicles to pass through the tunnel, thereby causing a large earth digging workload, a long construction duration and a large investment. For these reasons, it is impossible to build a high headroom tunnel at most crossroads in a city. After getting out of the high headroom tunnel, vehicles are also caught in a traffic jam, which also causes a bottleneck effect.
  • An object of the present invention is to provide a municipal crossroads structure capable of solving traffic jam issue.
  • the crossroads structure can substantially reduce stay time of vehicles at the crossroads, requires small investment of funds, and exhibits small engineering workload and short construction duration.
  • a main technical solution employed by the present invention is as follows: a municipal crossroads structure for solving the traffic jam issue comprises a first artery and a second artery which cross each other and each are bidirectional lanes, ground road surfaces of the first artery and the second artery form at an intersection a central platform sharing the ground road surface, the first artery is provided with bidirectional low tunnels passing underneath the central platform, a height of the low tunnels enabling vehicles to pass therethrough is no less than 2 meters and no more than 3 meters, the low tunnels rise to the ground surface again after passing beneath the central platform, a cross turning tunnel is diverged from an outside edge of a travel direction of the low tunnel, the height of the cross turning tunnel enabling vehicles to pass therethrough is no less than 2 meters and no more than 3 meters, the cross turning tunnel makes a U turn underground the front of an upslope ramp of the low tunnel and is connected with the second artery in the same direction after a transition of a segment of turning upslope ramp, the ground road surface of the first artery is divided by the low tunnels
  • the present invention may also employ the following additional technical solutions:
  • the height of the low tunnels enabling vehicles to pass therethrough is in a range of 2.50-2.60 meters.
  • the height of the low tunnels enabling vehicles to pass therethrough is jointly constituted by a sink depth of a bottom road surface of the tunnel and a lift height of a road foundation on top of the tunnel.
  • the height of the cross turning tunnel enabling vehicles to pass therethrough is in a range of 2.50-2.60 meters.
  • the height of the cross turning tunnel enabling vehicles to pass therethrough is jointly constituted by a sink depth of a bottom road surface of the tunnel and a lift height of a road foundation on top of the tunnel.
  • the first artery is provided with an underground footway passage, and an escape door is provided between the underground footway passage and the underground U-turn location of the cross turning tunnel.
  • An air ventilation window is provided on the top of the underground footway passage of the first artery.
  • An air ventilation window is provided on the top of the cross turning tunnel
  • a temporary parking area is provided on an outside edge of the travel direction of the cross turning tunnel.
  • a raised rainwater isolating belt is provided on the ground at an inlet and an outlet of the low tunnel.
  • the central platform and the low tunnels and the cross turning tunnels of the first artery jointly act to diverge traffic flow of large and small vehicles and vehicles in all directions.
  • the middle of the road and the low tunnels of the first artery form an express way dedicated for travel of small vehicles and can effectively avoid large vehicles from running on the express way and slowing down the traffic speed.
  • Small vehicles which run straight and account for a larger proportion of vehicles running on the first artery can pass beneath the second artery directly through the low tunnels, all vehicles running on the first artery and intended to make a U turn may make a U turn smoothly and safely through the central platform.
  • These vehicles needn't be controlled with traffic lights and do not affect vehicles running in other directions. This not only makes the pass of vehicles on the first artery smoother, but also shortens the green-light passing-through time allocated to large vehicles on the first artery so that the traffic flow on the first artery and second artery becomes smoother.
  • the height of the low tunnels and the cross turning tunnels enabling vehicles to pass therethrough employed in the present invention is no more than 3 meters, which can substantially reduce the construction workload, shorten construction duration and reduce costs.
  • the crossroads structure according to the present invention occupies substantially less land resources. Even if the crossroads structure is built at a busy road segment in downtown, it will not reduce the business value of locations therearound, and is easy to spread to most high-traffic flow crossings of the whole city, thereby solving the bottleneck effect and enabling the traffic of the whole city to become smoother.
  • the height of the low tunnels enabling vehicles to pass therethrough is no more than 3 meters, and the height of the low tunnels enabling vehicles to pass therethrough is jointly constituted by a sink depth of a bottom road surface of the tunnel and a lift height of a road foundation on top of the tunnel
  • Such semi-sink semi-lift tunnel structure further reduces the digging depth from the ground surface upon building the low tunnels, and avoids confrontation with underground water.
  • Foundation piles are easier to construct with the construction site being enclosed simply. This reduces the construction duration and cuts the construction costs.
  • Pieces resulting from crushing of the original road surface, hard sand, soil and mud dug out may be blended into concrete and stirred evenly to fill in an under layer of the road surface rise location, whereby soil and mud dug out needn't be totally transported away, and an influence exerted by heavy-duty transport vehicles on traffic is reduced during construction. Furthermore, this reduces the sink depth of the ground surface and facilitates movement and reconstruction of sewage.
  • the height of the cross turning tunnels enabling vehicles to pass therethrough is no more than 3 meters, and the height of the cross turning tunnels enabling vehicles to pass therethrough is jointly constituted by a sink depth of a bottom road surface of the tunnel and a lift height of a road foundation on top of the tunnel.
  • a raised rainwater isolating belt is provided on the ground at an inlet and an outlet of the low tunnel, thereby preventing a flood of rainwater from flowing in the low tunnel along the lane, preventing hindrance to travel of vehicles due to water ponding and reducing the workload of the water pump.
  • the invention is adapted for cities of all developed countries, particularly for universal reconstruction of crossroads where small vehicles account for a majority of the traffic flow and cause traffic jam, such that limited resources are used to smooth more crossroads, and an effect of increasing municipal roads can be achieved without widening the road surface.
  • FIG. 1 is a structural schematic view of an embodiment of the present invention
  • FIG. 2 is a top view of FIG. 1 taken by an orthogonal projection method
  • FIG. 3 is a longitudinal cross-sectional view of a location of a rainwater isolating belt
  • FIG. 4 is an embodiment of the present invention adapted for left-hand traffic rules
  • FIG. 5 is a top view of FIG. 4 taken by an orthogonal projection method.
  • crossing is not limited to perpendicular crossing, and an angle of intersection of two arteries at the crossing is not limited to 90 degrees.
  • crossing turning tunnel stated in the present invention refers to a left-turn tunnel in countries and regions where drivers drive on the right hand side, and a right-turn tunnel in countries and regions where drivers drive on the left hand side.
  • a municipal crossroads structure for solving the traffic jam issue comprises a first artery 1 and a second artery 2 which cross each other and each are bidirectional lanes. Ground road surfaces of the first artery 1 and the second artery 2 form a central platform 3 sharing the ground road surface at an intersection.
  • the first artery 1 is provided with bidirectional low tunnels 4 passing underneath the central platform 3 (a partition wall is provided between the bidirectional lanes of the low tunnels 4 in the figure).
  • a height of the low tunnels enabling vehicles to pass therethrough is no less than 2 meters and no more than 3 meters, preferably 2.50-2.60 meters.
  • the low tunnels 4 rise to the ground surface again after passing beneath the central platform 3 .
  • FIG. 2 uses white dotted lines to illustrate the underground portions of the cross turning tunnel 5 and the low tunnel 4 .
  • the cross turning tunnel 5 makes a U turn underground the front of an upslope ramp of the low tunnel 4 and is connected with the second artery 2 in the same direction after a transition of a segment of turning upslope ramp 6 .
  • the underground U-turn location of the cross turning tunnel 5 is staggered from and does not interfere with the low tunnel 4 .
  • the height of the cross turning tunnel 5 enabling vehicles to pass therethrough is no less than 2 meters and no more than 3 meters, preferably 2.50-2.60 meters.
  • a non-motor vehicle lane may be divided from the cross turning tunnel 5 for travel of non-motor vehicles.
  • the motor vehicle lane and non-motor vehicle lane are partitioned duly.
  • the ground road surface of the first artery 1 is divided by the low tunnels 4 into left and right ground surface lanes 7 , 8 which are opposite in drive direction and intended for travel of large vehicles.
  • the two ground surface lanes 7 , 8 are connected on the central platform 3 to form U-turn lanes 9 , 10 which are opposite in U turn direction and intended for U turn of large vehicles.
  • the two U-turn lanes 9 , 10 are located on left and right sides of a straight-on lane of the second artery 2 on the central platform 3 such that vehicles making U turn on the U-turn lanes 9 , 10 do not interfere with vehicles running straight on the second artery 2 .
  • a lane 11 turning to the outside edge of the second artery 2 is diverged from the outside edge of the travel direction of the ground road surface of the first artery 1 .
  • a lane 12 turning to the outside edge of the first artery 1 is diverged from the outside edge of the travel direction of the second artery 2 .
  • the height of the low tunnel 4 enabling vehicles to pass therethrough can be completely constructed by digging a depth underground from the road surface, but in a preferred embodiment, the height of the low tunnel 4 enabling vehicles to pass therethrough is jointly constituted by a sink depth of a bottom road surface of the tunnel and a lift height of a road foundation on top of the tunnel, i.e., the central platform 3 above the low tunnels 4 slightly rises.
  • Such semi-sink semi-lift tunnel structure further reduces the digging depth from the ground surface upon building the low tunnels 4 , makes the construction easier, reduces the construction duration, cuts the construction costs, and facilitates movement and reconstruction of sewage.
  • Pieces resulting from crushing of the original road surface, hard sand, soil and mud dug out may be blended into concrete and stirred evenly to fill in an under layer of the road surface rise location, whereby soil and mud dug out needn't be totally transported away, and an influence exerted by heavy-duty transport vehicles on traffic is reduced during construction.
  • a total soil-digging depth is approximately 2.3 meters upon actual construction in combination with the semi-sink and semi-lift tunnel structure.
  • the height of the cross turning tunnel 5 enabling vehicles to pass therethrough can be completely constructed by digging a depth underground from the road surface
  • the height of the cross turning tunnel 5 enabling vehicles to pass therethrough is jointly constituted by a sink depth of a bottom road surface of the tunnel and a lift height of a road foundation on top of the tunnel If the height of the cross turning tunnel 5 enabling vehicles to pass therethrough is 2.50-2.60 meters, a total soil-digging depth is approximately 2.3 meters upon actual construction in combination with the semi-sink and semi-lift tunnel structure.
  • a temporary parking area 16 is provided on an outside edge of the travel direction of the cross turning tunnel 5 in the present embodiment as shown in FIG. 2 .
  • the breakdown vehicle may be parked in the temporary parking area 16 to wait for trailer rescue.
  • the first artery is provided with an underground footway passage 14 and an escape door 15 is provided between the underground footway passage 14 and the underground U-turn location of the cross turning tunnel 5 .
  • an escape door 15 is provided between the underground footway passage 14 and the underground U-turn location of the cross turning tunnel 5 .
  • an air ventilation window 17 is provided on the top of the underground footway passage 14
  • an air ventilation window 18 is provided on the top of the cross turning tunnel 5 .
  • the air ventilation window 17 and air ventilation window 18 are right located at a greening belt at the center of the road and do not affect the travel of the vehicles.
  • the air ventilation window 17 and air ventilation window 18 each may be provided with an exhaust fan.
  • an underground footway passage 13 is also provided at the second artery.
  • a raised rainwater isolating belt may be provided on the ground at an inlet and an outlet of the low tunnel 4 .
  • the rainwater isolating belt is structured as shown in FIG. 3 , in a way that a base point is arranged at a location 60-80 m ahead of the inlet of the low tunnel, then the road surface goes upslope from the base point a distance of about 15-20 m with an elevation of 0.60-0.80 m, then gets leveled with a distance 15-20 m, and then goes downslope into the low tunnel 4 .
  • the underground footway passage 14 and the underground U-turn location of the cross turning tunnel 5 are right located below the 15-20-meter flat road segment.
  • a light-permeable canopy is provided at the inlet and outlet of the low tunnel 4 to effectively prevent the rainwater from affecting the low tunnel 4 .
  • a main manner of passing through the crossroads structure is as follows: small vehicles running straight on the first artery 1 directly pass fast through the low tunnel, small vehicles running on the first artery 1 and intended to make a left-hand turn turn left through the cross turning tunnel 5 to the second artery 2 , all vehicles on the first artery intended to make a U turn make a U turn through the U-turn lanes 9 , 10 on the central platform 3 .
  • the above-mentioned vehicles occupy a majority of the traffic flow on the first artery 1 and they needn't be controlled with traffic lights.
  • the remaining large-sized vehicles and small vehicles intended to make a U-turn on the first artery 1 need be controlled with traffic lights, but these vehicles are in a smaller number.
  • the artery with a larger traffic flow particularly with a larger small vehicle traffic flow is taken as the first artery 1 of the present invention.
  • FIG. 1 and FIG. 2 are turned horizontally by 180 degrees into an embodiment shown in FIG. 4 and FIG. 5 , which is an example adapted for left-hand side drive rule.
  • the reference numbers in FIG. 4 and FIG. 5 are identical with those in FIG. 1 and FIG. 2 and denote the same structures and they will not be detailed here.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Road Paving Structures (AREA)
  • Lining And Supports For Tunnels (AREA)
US14/441,967 2012-11-12 2012-11-12 Municipal crossroads structure Abandoned US20150284913A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/001532 WO2014071543A1 (zh) 2012-11-12 2012-11-12 一种城市十字路口结构

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US20150284913A1 true US20150284913A1 (en) 2015-10-08

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US (1) US20150284913A1 (ja)
EP (1) EP2918724B1 (ja)
JP (1) JP6093871B2 (ja)
KR (1) KR20150105949A (ja)
CN (1) CN104093907B (ja)
HK (1) HK1215058A1 (ja)
PL (1) PL2918724T3 (ja)
WO (1) WO2014071543A1 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112342853A (zh) * 2020-10-27 2021-02-09 王岩 一种十字路口人车分流交通结构
CN113236282A (zh) * 2021-05-20 2021-08-10 山西省交通新技术发展有限公司 一种不占道工况下隧道全断面维修方法
CN113818298A (zh) * 2020-06-19 2021-12-21 李海军 无障碍逆行十字路口立交桥
WO2022057639A1 (zh) * 2020-09-21 2022-03-24 李强 城市轴心干道十字立交
CN114875730A (zh) * 2022-05-05 2022-08-09 曹宏伟 城市市区十字路口无红绿灯立体交通构造

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CN106192644A (zh) * 2016-08-27 2016-12-07 扬州朝华投资有限公司 一种微型隧道
CN110195386A (zh) * 2018-02-27 2019-09-03 陈泰丰 交通道路的十字路口车辆交会导引方法
CN111441205A (zh) * 2019-08-28 2020-07-24 李文彬 互通式立交桥
CN110616611A (zh) * 2019-10-09 2019-12-27 湖南志辉知识产权有限公司 一种涵洞式立体交通系统及其通行方法

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US4272210A (en) * 1978-09-12 1981-06-09 Sanae Shoji Interchange system
US4592673A (en) * 1982-01-27 1986-06-03 Lee Soo Yang Double-framed "H" form non-stop roadway interchange
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US6312187B1 (en) * 1998-11-05 2001-11-06 Ignaz Walter Street tunnel arrangement accessible to vehicles in densely populated areas
US20070086855A1 (en) * 2005-10-14 2007-04-19 Tsukinada Kensetsu Kabushiki Kaisha Multi-level road intersection
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US20080152426A1 (en) * 2003-08-25 2008-06-26 Yingtang Liu Single Layer Overhead Full Interchange Flyover
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US3238854A (en) * 1961-12-22 1966-03-08 Okubo Kentaro Continuous-flow traffic interchange
US3386351A (en) * 1963-09-14 1968-06-04 Hara Shusaku System of grade separation and also underroad parking
US4272210A (en) * 1978-09-12 1981-06-09 Sanae Shoji Interchange system
US4592673A (en) * 1982-01-27 1986-06-03 Lee Soo Yang Double-framed "H" form non-stop roadway interchange
US5520478A (en) * 1994-11-29 1996-05-28 Yin-Lung; Yang Landscaped urban road intersection
US6312187B1 (en) * 1998-11-05 2001-11-06 Ignaz Walter Street tunnel arrangement accessible to vehicles in densely populated areas
US20080152426A1 (en) * 2003-08-25 2008-06-26 Yingtang Liu Single Layer Overhead Full Interchange Flyover
US20070086855A1 (en) * 2005-10-14 2007-04-19 Tsukinada Kensetsu Kabushiki Kaisha Multi-level road intersection
US20070237576A1 (en) * 2006-04-05 2007-10-11 Peng Zhenhua Signal-free roadway interchange
US7905681B2 (en) * 2007-09-05 2011-03-15 Intersection Solutions Llc Traffic intersection
US20100111601A1 (en) * 2008-11-04 2010-05-06 Illinois Institute Of Technology System for continuous vehicular travel on crossing roadways
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113818298A (zh) * 2020-06-19 2021-12-21 李海军 无障碍逆行十字路口立交桥
WO2022057639A1 (zh) * 2020-09-21 2022-03-24 李强 城市轴心干道十字立交
CN112342853A (zh) * 2020-10-27 2021-02-09 王岩 一种十字路口人车分流交通结构
CN113236282A (zh) * 2021-05-20 2021-08-10 山西省交通新技术发展有限公司 一种不占道工况下隧道全断面维修方法
CN114875730A (zh) * 2022-05-05 2022-08-09 曹宏伟 城市市区十字路口无红绿灯立体交通构造

Also Published As

Publication number Publication date
WO2014071543A1 (zh) 2014-05-15
EP2918724B1 (en) 2017-05-31
JP6093871B2 (ja) 2017-03-08
EP2918724A4 (en) 2016-01-27
PL2918724T3 (pl) 2017-10-31
EP2918724A1 (en) 2015-09-16
CN104093907A (zh) 2014-10-08
HK1215058A1 (zh) 2016-08-12
CN104093907B (zh) 2016-05-18
KR20150105949A (ko) 2015-09-18
JP2015535556A (ja) 2015-12-14

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