China News Service, Chongqing, March 27 (Reporter Liu Xian) "8D Magic City" Chongqing's "Cloud Sea Train" wonders are on fire again.

Recently, a video of the Chongqing Caijia Railroad Bridge was posted on the WeChat official account of the Chongqing Municipal Commission of Culture and Tourism, and received a lot of likes and forwards on social media. .

The reporter learned from the bridge designer on the 27th how the bridge that created such a beautiful view was designed with ingenuity.

  The Chongqing Caijia Railroad Special Bridge spans the Jialing River with a total length of 1250 meters. It is the second phase of the Rail Transit Line 6.

The slender bridge shape and the 100-meter drop make the bridge look like a fairy in the picture.

  "This is a cable-stayed bridge, consisting of a north-south approach bridge and a main bridge. The main bridge is 640 meters long and has a main span of 250 meters. The distance between the main bridge deck and the river bed is 100 meters, which affects the stiffness of the bridge and the choice of bridge type." Qi Yong, the designer of the Caijia Railway Special Bridge and the track bridge manager of Tongyu Lin International (China) Bridge Division, said that in the design, they took into account functionality, landscape and practicability, and finally chose to be in harmony with the environment, economical and affordable. Construction of a cable-stayed bridge with strong feasibility.

The picture shows the Chongqing rail train running on the Caijia rail bridge.

Photo by Zhang Yan

  The width of bridges generally used for road traffic is generally up to 30 meters, and the width of the main bridge of the Caijia Rail Bridge is only 15 meters, which is relatively narrow.

Therefore, they needed to design a cable-stayed bridge with high piers and narrow deck.

After studying the spatial scale of the bridge with high piers and narrow bridges, we strive to achieve the symmetry and unity of the upper and lower proportions of the bridge deck, and comprehensively consider the needs of structural functions. The design team designed a bridge with a very slender appearance. The main bridge tower The diamond-shaped bridge tower shows a graceful and graceful posture.

  The advective fog formed in the U-shaped valley area adds a fairy spirit.

The two rail stations connected by the Caijia Railroad Bridge are Jinshansi Station and Caojiawan Station, both of which are underground.

That is to say, there is a U-shaped river valley under the Caijia Railroad Special Bridge, and the vegetation on the river bank is lush.

  "The bridge is located in a river valley, and the climate of Chongqing is full of water vapor, so it is easy to form advective fog, which visually gives people a smoky, bridge and car like a fairyland scene. The appearance of this beauty is the bridge capital of Chongqing. characteristics." Qi Yong said.

  In the past two days, the bridge has been on fire.

Qi Yong said that the drone shows the beauty of the bridge more intuitively from another perspective, and it feels more classic. "I hope more works will contribute to Chongqing and be recognized and loved by the citizens."

(over)