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The author:(作者)qqpublished in(发表于) 2013/11/15 12:47:22 Beijing CBD underground space will achieve interoperability in the future，
People's daily Beijing, November 15 (Xinhua Yu Ronghua) is located in Beijing's central business district (CBD) of guomao bridge, is the capital of one of the most heavily trafficked areas, a rush hour, easily becomes "stuck points".
Beijing City Planning Commission November 14, said, this region will take place in integrated retrofit, substantially improve the line Subway Line 1 and Line 10 at guomao station interchange, and joined to the China world shopping mall, underground pedestrian traffic network extending in all directions.
Status: overt is the bottleneck
Guomao overpass upper third ring road, Changan Street, the middle tier, the lower East third ring road and Avenue Des Voeux Road. Guomao bridge around a total of dozens of bus lines through the station. Underground line is a Subway Line 1 and Line 10 of the transfer station, owing to heavy traffic flow of people gathered, and poor traffic conditions. Meanwhile, as the expensive CBD, underground space utilization is very low in the region.
On Chang ' an avenue, and a horizontal one vertical and two of the three-ring road traffic flow of interwoven. Underground lines Line 1 and Line 10, line transfer passenger flow, he risks not small. Underground guomao station-current transfer mode for the channel change, the main transfer channel width 8.5 m, maximum transfer distance is approximately 160 m. But since both stations Hall 6.4 m height difference, change channels are equipped with two staircases, two staircases, resulting in a one-way flow of maximum allowed width of only 4 m, was so crowded at peak usage times, stairs and staircases stairway extremely easy to form a crowd bottlenecks.
ITC at guomao bridge, completed in 1990, after more than 20 years of development, has become a multi-functional commercial centre, total construction scale of about 860,000 square meters, but how to converge with the urban transport, involvement in regional transportation issues, there has been no good way.
The beginning of 2013, Huang Yan, Director of the Beijing Municipal Planning Committee made in an interview, guomao Hall this year by the Northwest corner of guomao bridge retrofit opportunities, improving traffic conditions in trade areas. Led by the Planning Department, the parties jointly study the world trade bridge regional transportation improvement program. Initiative of the international trade company, owned land used for construction of Metro, underground passage, sunken Plaza Atrium, such as urban public facilities, improve subway transfer environment.
Surgery: above-ground stream underground interchange
The current "surgical" plan was to greatly increase Metro channel width, while in construction area of about 5,300 square meters on the ground floor Office of transfer, in solid space within Metro access to the north side of the station, the two transfer stations, and underground shopping complex features such as connectivity, each functional flow lines cross each other, opening the skylight at the top, bringing natural light into the underground and improve comfort.
Change to the Atrium on the ground floor and the original World Trade Center commercial space on the ground floor, not only as the Metro channel, at the same time as the core of underground passenger flow distribution and circulation. Metro area and business area area clear, achieving underground pedestrian system in stereo. According to reports, that draws on the international metropolis of traffic transfer hubs use of underground space as success stories.
On the ground, transformed international trade situation in the southeast corner of plot planning scheme ramps and basement entrances, the formation of urban public space, reorganize the plots within the motor vehicle line, achieving as much as possible of people and vehicles on the ground.
According to reports, the international integrated transport programme of publicity, public proposals. At the same time, planning departments are in the wider integration of the CBD within the region with traffic problems, promote underground space in the world trade bridge to achieve interoperability.
Beijing City Planning Committee said the traders built as a typical urban Ribbon transportation improvement planning approach during its renovation, renovation of other built-up areas in the future with a strong reference.
人民网北京11月15日电(记者 余荣华) 位于北京中央商务区(CBD)内的国贸桥地区，是首都交通最繁忙的区域之一，一到上下班高峰期，极易成为“堵点”。
北京市规划委11月14日透露，这一区域内将进行一体化改造，充分改善地铁1号线和10号线在国贸站的换乘条件，并与国贸商城相连接，形成地下四通八达的人行交通网络。
现状：地上地下皆是瓶颈
国贸立交桥上层为三环路，中间层为长安街，下层为东三环及长安街辅路。国贸桥周边共有几十条公交线路经过并设站。地下则是地铁1号线和10号线的交通换乘站，由于大量车流人流聚集，交通出行环境较差。与此同时，作为金贵的CBD，区域内的地下空间利用却十分不足。
地上，长安街和三环的一横一纵两道车流人流交织。地下，1号线和10号线换乘人流汹涌，隐患不小。地铁国贸站目前的换乘方式为通道式换乘，主换乘通道宽度为8.5米，最大换乘距离约为160米。但由于两条线站厅高差为6.4米，换乘通道内设有两部扶梯、两部楼梯，导致单向人流最大允许宽度仅为4米，在高峰期十分拥挤，楼梯和扶梯的梯口极易形成人流瓶颈。
位于国贸桥边的国贸中心建成于1990年，经过20多年的发展，已成为多功能商业贸易中心，总建筑规模约86万平方米，但如何与城市交通衔接起来，参与解决地区交通问题，过去并没有好办法。
2013年初，北京市规划委主任黄艳接受采访时提出，今年将借着国贸桥西北角国贸展厅改造的机会，改善国贸地区的交通状况。在规划部门主导下，各方共同研究国贸桥区域交通改善方案。国贸公司主动提出，将自有土地用于建设地铁换乘中庭、地下连通道、下沉广场等城市公共设施，改善地铁换乘环境。
手术：地面分流地下互通
目前的“手术”方案是，大大增加地铁换乘通道的宽度，同时在地下建设面积约为5300平米的换乘厅，在立体空间内解决地铁进出站、两站换乘、与北侧地下商业连通等功能，各功能流线互不交叉，顶部开设天窗，将自然光引入地下，提高舒适性。
地下换乘中庭还与原国贸地下商业空间对接，不仅作为地铁换乘通道，同时作为地下空间人流集散和流转的核心。地铁使用区域和商业区域分区明确，实现立体的地下步行体系。据介绍，这借鉴了国际大都市利用地下空间作为交通换乘枢纽的成功经验。
在地面，规划方案则改造了国贸地块东南角现状坡道和地库出入口，形成城市公共空间，重新组织地块内机动车流线，尽量实现地面人车分流。
据介绍，国贸交通一体化方案将公示，听取公众建议。同时，规划部门正在更大范围用地内对CBD地区交通问题进行整合研究，推动国贸桥地下空间实现互联互通。
北京市规划委人士表示，国贸作为城市典型建成功能区，其更新改造过程中交通改善的规划方法，将对今后其他建成区的更新改造具有较强的借鉴意义。
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