Yangpu Bridge

Shanghai Yangpu Bridge is another self-designed and built cable-stayed bridge with double pylons and double cable planes crossing Huangpu River after Shanghai Nanpu Bridge. The total length of the bridge is 7658 meters, and the main bridge is 602 meters. On both sides of the tower, 32 pairs of steel cables are connected to the main beams, which are unfolded in fans, such as giant strings. It ranks first among the same type of cable-stayed bridges in the world. Comrade Deng Xiaoping personally wrote the name of the bridge. When he boarded the Yangpu Bridge at the age of 94, he said with emotion: "it's better to see today's road than to read the book of ten thousand years!"

Yangpu Bridge

Yangpu Bridge is a river crossing channel connecting Yangpu District and Pudong District in Shanghai, China,

Located on the Huangpu River waterway, it is one of the components of Shanghai inner ring expressway.

Yangpu Bridge was built on May 1, 1991;

Completed on September 15, 1993;

It was put into operation on October 23, 1993.

Yangpu Bridge starts from Shanghai inner ring viaduct in the north, crosses Huangpu River Waterway in the upper and Zhangjiang interchange in the south. The total length of the line is 8354m, and the total length of the main bridge is 1172m. The bridge deck is a two-way six lane urban expressway with a design speed of 60km / h;

The total cost is 1.33 billion yuan.

Construction process

On September 20, 1990, the former State Planning Commission of China approved and replied: "in order to form the initial conditions for Pudong Development during the Eighth Five Year Plan period and solve the problem of cross river traffic between Pudong and Puxi, we agree to build the Yangpu Bridge."

On May 1, 1991, the construction of Yangpu Bridge started.

On April 8, 1993, Yangpu Bridge was closed;

On September 15 of the same year, the construction of Yangpu Bridge was completed;

On October 23 of the same year, Yangpu Bridge was put into operation.

On May 31, 2014, etc customer service network of Yangpu Bridge opened.

On August 9, 2017, Yangpu Bridge was repaired.

In September 2018, in order to welcome the China International Import Expo, Yangpu Bridge was painted and a new landscape lighting system was built.

Bridge location

Yangpu Bridge is located in Ningguo Road area to the north of Suzhou River in Shanghai, China. The whole section is Shanghai inner ring expressway. It starts from Shanghai inner ring elevated road in the north, crosses Huangpu River Waterway in the north, and ends at Zhangjiang interchange in the south. It is 5.3km away from Suzhou Estuary, 20.5km away from Wusongkou, and 11km away from upstream Nanpu Bridge in the West. Among them, the approach of Puxi Section of Yangpu Bridge runs along Ningguo road and Huangxing Road and crosses Yangshu After the intersection of Pu Road, Hangzhou Road, Shenyang Road, Pingliang Road, Hejian road and Changyang Road, it connects with the elevated inner ring road in Zhoujiazui; the approach bridge of Pudong section goes along the inner ring road, crosses Pudong Avenue, Qishan Road, Boshan road and Zhangyang Road, and connects with Yanggao Road through Luoshan Road interchange.

Architectural design

building structure

Overall layout

Yangpu Bridge is composed of main bridge on water, Pudong on land, Puxi approach bridge, inverted Y-shaped pylon and its interchange ramps. The main bridge section is arranged from northwest to Southeast.

 

Design concept

In the design of the main tower of Yangpu Bridge, A-type composition is adopted, with the exception of excessive radian at the intersection of straight line and straight line; the top of the main tower column is a semicircular gap with a diameter of more than 10 meters, and the top of the tower is inclined, with obvious outline and succinct shape, which is like a soaring squid, fighting against the sky, implying that Pudong and Puxi echo each other, reflecting the new posture of Shanghai after the reform and opening up Out of Asia and into the world.

 

At the same time, the main bridge of Yangpu Bridge is like a rainbow across the Huangpu River. The main tower is like a sword piercing into the sky. The steel cables on both sides of the tower are fan-shaped, like giant strings, playing the sonata of the dragon's take-off.

 

Design features

Yangpu Bridge is a cable-stayed bridge with double pylons and double cable planes crossing the river. It adopts the composite beam structure of steel beam and reinforced concrete precast slab. The tower is inverted Y "diamond" shape. The main beams of Pudong and Puxi bridges are connected by steel cables suspended on both sides of the tower, and the cable plane is arranged in a spatial fan shape. The approach bridge is a prestressed reinforced concrete beam and reinforced concrete pier structure.

 

Design parameters

Yangpu Bridge covers an area of 100000 square meters, with a total length of 8354 meters and a main bridge length of 1172 meters. The span combination is 40 (Puxi transition hole) + 99 + 144 + 602 + 144 + 99 + 44 (Pudong transition hole). The river slope width of the bridge site is 551 meters, the main span is 602 meters, and the total width is 35.5 meters. There are 6 lanes and 2 meters wide sidewalks on both sides. The height of the main bridge tower is 208 meters, the diameter of the main tower steel pipe pile group pile foundation is 0.9 meters, and the depth is 53 meters There are 32 pairs of steel cables on both sides of the towers of Pudong and Puxi bridges, with a total of 256 cables, the longest of which is 330m, and the weight is 3T; the total length of the approach bridge is 6482m, including 3103m of Puxi approach bridge and 3379m of Pudong approach bridge; the total weight of the steel structure of the whole bridge is about 12600t, and the longitudinal slope of the deck is ≤ 3.5% for the main bridge and ≤ 4% for the approach bridge, Xiapo town ≤ 3.5%; the main section of the bridge is a two-way six lane urban expressway, which adopts the first-class highway standard.

 

 

Equipment and facilities

Monitoring equipment

As of March 2013, the whole section of Yangpu Bridge has been equipped with electronic police and other traffic monitoring equipment.

 

Lighting facilities

As of July 2018, in order to welcome the China International Import Expo, Yangpu Bridge has completed the installation of landscape lamps at the end of August, and the lighting debugging has been carried out in September. After the completion of the project, Yangpu Bridge has different modes of landscape lighting in peacetime, holidays, late night, etc., showing its vigorous and upright posture at night.

 

 

Sightseeing facilities

Yangpu Bridge is equipped with a sightseeing elevator. Tourists can take the elevator from the ground to the main bridge surface and enjoy the scenery on both sides of the Pujiang River on the sightseeing sidewalks on both sides of the carriageway.

 

Operation

Fare system

In February 2000, the Shanghai Municipal Committee of the Chinese people's Political Consultative Conference (CPPCC) submitted the proposal of "some suggestions on the negative effects of collecting river crossing fees and resolving contradictions"; in May of the same year, the Shanghai municipal government announced to cancel the fees for river crossing tunnels and bridges, including Yangpu Bridge.

 

Traffic matters

As of 2007, Yangpu Bridge has a weight limit of 55 tons, a width limit of 3 meters, a height limit of 4.8 meters and a length limit of 20 meters.

 

As of June 2016, the weight limit of Yangpu Bridge is 55 tons.

 

Construction achievements

Technical problems

There is a biggest difference between Yangpu Bridge and Nanpu Bridge on the upper pylon. Nanpu Bridge adopts steel beam to make the forces of stay cables on both sides of pylon symmetrical and balanced. However, due to the large number of stay cables and the height limit, steel beam cannot be used for cable anchorage of Yangpu Bridge. To balance the pylon structure itself, the concrete wall of upper pylon must bear huge tensile stress due to the great tension of stay cables Prestress. In order to balance the two sides of prestress, the design initially adopted small arc bending reinforcement, which was improved to basically straight reinforcement arrangement through physical scale mold test. In addition, the process parameters were obtained through scale test, and a complete set of technologies, such as accurate cutting, neat cable weaving, special anchor plate and cable tension after buried pipe, were studied, so that the prestressed construction of cable anchorage zone exceeded the expected requirements of Yangpu University Bridge design and construction is a big problem.

 

Honorary recognition

Cultural characteristics

scenic spot

In March 2019, Shanghai Pujiang "fast tour line" opened for trial operation, and Yangpu bridge belonged to the "Essence Tour" of Pujiang.

 

Value significance

If the completion and opening of Nanpu Bridge has achieved a breakthrough of "zero" in Shanghai urban section of Huangpu River, then the completion of Yangpu Bridge will make China's cable-stayed bridge design and construction capacity ahead of the international bridge industry, and establish China's position in the international bridge industry. < I (review of Jiefang Daily) < / I

 

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