Beipanjiang Bridge

The first bridge of Beipanjiang River

synonym

Beipan River Bridge (the highest bridge in the world) generally refers to the first bridge of Beipan River

The first Beipan River Bridge, formerly known as nizhu river bridge or Beipan River Bridge, is a super large bridge connecting Puli Township, Xuanwei City, Qujing City, Yunnan Province and DuGe Town, Shuicheng County, Liupanshui City, Guizhou Province in China. It is located on the nizhu River and is a part of Hang Rui high-speed highway.

The first bridge of Beipanjiang River started construction in 2013;

The closure was completed on September 10, 2016;

It was completed and put into operation on December 29, 2016.

The first bridge of Beipanjiang River starts from DuGe town in the north, crosses nizhu River Grand Canyon in the north, and ends at Lalong village in the south;

It is 1341.4 meters in length, 565.4 meters from the bridge deck to the river, and adopts the standard of two-way four lane Expressway with a design speed of 80 km / h;

The total investment of the project is 1.028 billion yuan.

The first bridge of Beipan River is famous at home and abroad because its relative height is higher than that of Sidu River Bridge, breaking the record of the highest bridge in the world.

Construction process

In 2012, the Ministry of communications of China set up the scientific research project of Beipanjiang bridge (the first bridge of Beipanjiang River). Guizhou Expressway Group Co., Ltd. cooperated with CCCC highway planning and Design Institute Co., Ltd., Southwest Jiaotong University, Guizhou Highway Engineering Group Co., Ltd. and CCCC second Aviation Engineering Bureau Co., Ltd. to undertake the construction project of Western transportation.

In 2013, the construction of the first bridge of Beipanjiang river was started, which was jointly constructed by Yunnan and Guizhou provinces.

On September 10, 2016, the first bridge of Beipanjiang river was closed.

On December 29, 2016, the first bridge of Beipanjiang river was completed and opened to traffic.

In 2017, "Research on Key Technologies of construction and maintenance management of Beipanjiang long span steel truss cable stayed bridge" passed the acceptance.

Bridge location

The first bridge of Beipanjiang river is located on the nizhu river at the junction of Yunnan Province and Guizhou Province in China. It is connected with DuGe town of Shuicheng County in the East and Puli township of Xuanwei City of Qujing City in the West;

The bridge is an integral part of Hangzhou Ruizhou Expressway < I (National Expressway g56) < / I.

Architectural design

building structure

The main bridge of the first Beipanjiang bridge is a cable-stayed bridge with double pylons and double cable planes. The main girder is a steel truss structure system composed of steel truss and orthotropic steel deck, and the main truss is a Platte structure. The weight of dead load and live load of main span and side span is balanced by the way of pouring concrete into concrete inspection road and main truss chord. The upper end of the stay cable is anchored to the steel anchor beam in the upper tower column, and the lower end is anchored to the steel anchor box of the upper chord of the main truss. H-shaped reinforced concrete structure is adopted for the bridge tower. The foundation of bridge tower adopts group pile foundation.

Design parameters

The first Beipanjiang bridge is 1341.4 meters long,

The span layout is "80m + 2 × 88m + 720m + 2 × 88m + 80m";

The height of pylons on Guizhou side and Yunnan side are 269M and 247m respectively, and the vertical distance between bridge deck and river surface is 565.4m,

The vertical distance from the top of the bridge tower to the river surface is 740m;

There are 112 pairs of 224 stay cables in the whole bridge.

Operation

Ticket price

The first bridge of Beipanjiang River belongs to part of Hang Rui expressway. The single trip fee of small passenger car from Puli toll station to DuGe toll station is 20 yuan.

Construction achievements

Technical problems

The first bridge of Beipanjiang River Bridge is located in the deep mountain area on the boundary of the plateau. It crosses the "U" shaped Grand Canyon of Beipanjiang river with a depth of 600 meters. The terrain is very steep and the geological conditions are very complex.

The frequent occurrence of local geological disasters, wind, fog, rain, freezing and other harsh natural climate environment, bring severe test to the structural safety and operation of large bridges under the conditions of wind and freezing rain.

During the construction, the construction unit, in accordance with the development concept of "Colorful Guizhou, the most beautiful expressway", has always adhered to the minimum damage and maximum protection in the whole process of design, construction and operation, so as to achieve the construction goal of low cost, low pollution and low energy consumption. By carrying out the centralized drainage of the bridge, the main bridge side span pushing construction and the application of 500 MPa high-strength steel bar, the impact of bridge deck sewage on the soil and water system is minimized, the occupation of land resources is greatly reduced, and the steel bar binding on site is simplified to facilitate the construction, so as to achieve the purpose of energy saving, consumption reduction, emission reduction and sustainable development.

"Smart" concrete

During the construction of the first bridge of Beipanjiang River, we developed a kind of "intelligent" concrete, named "machine-made sand self compacting concrete", which can automatically flow and evenly fill the space in the mold, ensuring the quality and saving the construction cost.

"Physical examination" cloud computing

The designers of the first bridge of Beipanjiang river use cloud technology to develop and establish a bridge management and maintenance integrated information platform integrating "construction, management and maintenance". Through the sensors installed on the bridge, the data of the bridge tower and bridge deck are transmitted to the bridge foundation information cloud and the bridge monitoring and maintenance information cloud, and then the analysis and decision cloud analyzes the data previously transmitted, and sends the data to the managers' mobile phones and tablets.

Scientific research achievements

Guizhou highway group, the participant of the first Beipanjiang bridge, has applied for 13 patents, 3 construction methods, 2 sets of technical guidelines and 6 software copyrights in combination with the bridge construction technology.

During the construction of Beipanjiang No.1 Bridge, the scientific research project of the Ministry of transportation of China has been completed, which provides a new construction technology and method for the erection of large-span steel truss cable-stayed bridge in mountainous areas. It has the international leading level of new construction technology of longitudinal displacement and cantilever assembly, and has applied for 4 invention patents and 7 utility model patents.

Honorary recognition

In 2018, the first bridge of Beipanjiang River won the "Nobel Prize" - Gustav gold prize at the 35th International Bridge Conference.

Record

Certified by Guinness World Records Co., Ltd., the first bridge of Beipanjiang river was named "the highest bridge in the world" and entered into the history of world records.

As of December 2018, the first Beipanjiang bridge is the world's largest span steel truss girder cable-stayed bridge.

Cultural characteristics

Science and technology culture

On September 23, 2018, "Chuangke Expo 2018" opened in Hong Kong, and the first bridge of Beipanjiang River represented the only "works" of Guizhou Province in the Expo; from October 9 to 14, the works of the first bridge of Beipanjiang River were exhibited in "Macao science and technology week and Chinese civilization and Technological Innovation Exhibition".

Value significance

The first bridge of Beipanjiang river is the control project of Hangzhou Ruizhou expressway. The completion of the bridge has ended the history that Xuanwei and Shuicheng are not connected to the expressway. The driving time between the two places has been shortened from more than four hours to less than one hour, which has a significant role in promoting the construction of fast in and fast out expressway network. The bridge can effectively improve the traffic conditions between Yunnan, Guizhou, Sichuan, Chongqing and the outside world, and improve the service quality of regional road network China's national one belt, one road strategy thick and heavy in colours is a good example of giving full play to the radiation driving effect of the highway and promoting the development of local social economy. < I (evaluation by Xuanwei Municipal People's Government) < / I

Address: the junction of DuGe Town, Shuicheng County, Liupanshui City, Guizhou Province and Puli Township, Xuanwei City, Yunnan Province

Longitude: 104.681583

Latitude: 26.386843

Ticket information: no ticket required.

Chinese PinYin : Bei Pan Jiang Da Qiao