Net friend "miniature overpass" city wall to solution
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Sources: new Beijing on March 28 2011 02:15 me two sentences (162) copy link medium sized print medium face the serious traffic jam, traffic LiXuYong two years design professional students, "" micro overpasses in his design, crossroads not parking, still can save a space. This design trigger net friend of hot debate. Some net PALS think, this project is helpful to solve Beijing traffic jams. LiXu also says its plan for Beijing. But experts point out that, if adopted, only exacerbate congestion. "Tiny overpass" has caused people to Beijing has the attention of some citizens overpass, cited some existing design problems cause traffic overpass.
Report from our correspondent recently, "miniature overpass" blueprints appeared online, joining many users to ask. "Beijing's overpass can use this design?" "This scheme no traffic lights, and all the vehicles can go straight, steering, turn around."
Net friend
Hope can help Beijing overpass cure plugging
Net friend Amy0311 think, existing overpass, such as BeiTaiPingZhuang bridge, the main line goes without lights, steering vehicles need wait the light. "Tiny overpass" design can solve this problem.
This design, triggering a out of Beijing existing Internet overpasses nagging. Net friend Ttyin said, beichen overpass from north to east lack of cohesion to approach the stopover. North three-ring and WanQuanHe bridge, lack of stopover WanQuanHe bridge bysouthing west connection, causing the approach of the west stopover stopover vehicles have to west road to the Summer Palace under overpasses u-turn round the town. Have net friend pointed out that many trunk road and rings in the overpass, or cohesive exit rings, or cannot not into rings. Net friends said the problem causes overpass surrounding congestion.
Net friend spoons points out, double Wells bridge design problems, bus station, subway station, shopping centers concentrated, vehicles and bicycles, circle export intertexture, very chaotic, pedestrian overpass and hope "tiny" scheme can help double Wells bridge to blocking.
designers
Beijing for the plan. Plain range
For this scheme is suitable for Beijing, designers LiXu optimistic. He said, the scheme is especially suitable for Beijing, because Beijing intersection, and the roads are wide, lacking in initiative and overcautious.
LiXu in changan avenue, said, turning to the left is a big problem, changan avenue congestion also more and more severe. But the plan also LiXu questioned by some people. Citizens of the solution in see Mr. Li that its design is just after the outward expansion loop running to the left the merger interior. This design makes the two running driveway. Suddenly cut This slowdown in need can cause big congestion intersection.
At present, LiXu submitted material, to "miniature overpass" apply for patent.
experts
This design will aggravate Beijing congestion
Eve JianBu urban traffic, live vice director of engineering technology research center, said marlin college design mental commendable. But "miniature overpass" it is not feasible, the more unsuitable for Beijing. If adopted, Beijing will be more congestion.
Marin think, this scheme lack of engineering technology base, if in strict accordance with some of the design standards, overpasses slope, such as the factors such as turning ramp, these are taken into consideration, to carry out specific size, will no longer be "tiny", will be very large.
Marin says, the design has not considering traffic problems, according to the plan, the car in cornering speed will necessarily reduce traffic for Beijing such vast cities, speed once reduce congestion, can make more severe. And the scheme is larger, meet slope rains or snows, driving more difficult. In addition, this scheme exists on the blind spot in stadia, under an overpass, left lane four u-turn lanes with the distance between turning radius, smaller, insufficient, whole bridge headroom, easy to cause the index lower sight interference, easy cause traffic accident.
dialogue
Father traffic lost business arouses design inspiration
22 LiXuYong two years of henan small crossroad and design "tiny patent application. He thinks his own scheme is superior to the traditional overpass, can alleviate Beijing traffic jams. Eve LiXu, our correspondent dialogue.
Xin: design "miniature overpass" purpose is?
LiXu: father do business in 2007 to Beijing, because traffic lost a big business. That Beijing has started a car, father think Beijing many flyovers design is bad, such as xizhimen overpass too complicated. I design "miniature overpass" have his father's support. Father to drawing interest, some work is his finish.
Xin: "miniature overpass" trigger netizen concern, what do you think?
LiXu: I didn't think would cause so big concern, this shows traffic congestion problem is severe, and imperfect existing overpass place. Net friends have practical experience, just cause their attention.
Xin: many netizens criticize your "miniature overpass" did not consider pedestrians, are "called flints", how to solve car exchange and pedestrians cross the road?
LiXu: this is indeed a defect, also considered this, maybe through erect overpass or underpass to solve.
Xin: net friend mentioned a lot about "tiny" defects of overpasses, such as bridge a many exits, easy congestion, once go wrong difficult to correct, experts also think you plan, how do you see the feasibility difference?
When in use LiXu: design and not static, but according to actual condition, including traffic flow rate adjust measures to local conditions. Expert advice to give me a lot of help, such as over the blind spots, such as cars, are interwoven thoughtless place before.
The "solution" double Wells can dredge bridge?
Designers LiXu thinks, "miniature overpass" applies to Beijing. Some citizens proposed using the scheme to "the diagnosis of" double Wells bridge, blocking point, see can solve the congestion.
LiXu said that although Beijing road features suitable to use his plan, but for the use of specific to a certain site, he not immediately make sure answer. Need to research the local traffic, road features and surrounding environment. "Can find time, use first software simulation test."
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Overpasses in multiple plugging points around
Yesterday afternoon, the reporter on the double Wells bridge in double Wells field visits, from northeast harry road bridge the vehicle just a left turn over in front is crossing the bridge, bus station, including 28 road, 37 road, 57 road in the more than 20 bus set up. Because the bus stops too close from the bridge when car, the car with cyclists on bicycle lanes created mix, create a place plugging points. The northwest corner of the bridge, there is a large shopping center, some vehicles randomly perch on the roadside, occupy bike lanes, cyclists were crowded motor lane, adding on congestion.
In double Wells from the world trade bridge semba, direction to go south, if harry road, need to double Wells has been pulled bridge running, but pulled out of the vehicle and the auxiliary running vehicles, bicycle, pedestrians interweave, and also the bus station, subway station edge, huge crowds and traffic confounding, and form a plugging points. The boss says kiosks, near morning and evening rush hour often an impenetrable, almost happen every day cut loiter, 200 meters of road even half an hour to drive, etc.
In addition, from east to double Wells bridge with west DaWangLu wide canal road intersections, this paragraph of only 3 kilometers, were set on the way in, cause signal 4, the flow speed slow queue.
Ms. Zhang thinks, LiXu citizens if used in the design of harry road from here, no matter which direction to guomao haven't traffic lights and turn left will be very convenient, through multiple fly-over entrances will be scattered, traffic speed will not reduce too much, plugging some natural will disappear.
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Cure plugging must solve people motorised traffic moving
Ten years study in ZhengXueXin overpasses folk stylist after LiXu scheme looked that, this design is not good solve traffic problems intertwined. So don't fit for double Wells bridge where cars so great.
ZhengXueXin think, the biggest problem traditional overpass design is interwoven and car traffic are mixed. Double Wells bridge is like this form stuck points. Interwoven place, traffic discount traffic capacity. In addition, motor vehicles and bike lanes and turn parallel hybrid, there will be people car traffic chaos interwoven phenomenon. LiXu design not to the above problems measures.
Solicitation to
Please readers for plugging "overpass
Since 1974 first overpass, sparkles with evening lights bridge by Beijing began nearly 200 seats currently available to ease congestion overpass, but increasingly severe traffic. Many people think, some overpass form is more and more complicated than practical, design, make traffic limited. Also have citizens believe, overpasses formed plugging point instead.
What you think there overpasses designed unreasonable cause congestion? What overpass let you go YuanWangLu? You what are the overpass of Beijing opinion and the suggestion? This date, readers can contact our newspaper, "report" you think one seat overpass problems. |
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By :
Jessie Stone
Submitted
2011-04-05 11:44:02 |
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