The Yuansen Yellow River Bridge in Lanzhou city

Yuansen Yellow River Bridge is a key traffic construction project in Lanzhou city, connected to Wei Road in the south and Jingyuan Road in the north, across the North Binhe Road and the new Jingyuan Road viaduct, the main bridge is 306 meters long, designed two-way four lanes and non-motorized lanes, sidewalks and viewing platform, the total cost of the bridge is 180 million yuan. The top surface width of Yuansen Yellow River Bridge is 28.8 meters, and the bottom plate width is 20 meters. The beam body is a single box with three-room straight web section, with the main span of 110 meters. It is a steel concrete thin rod arch bridge. The maximum suspension pouring beam section is 4 meters long, and the concrete weighs 316 tons. The main beam wing edge plate is equipped with the tie rod anchor block under the arm, and the box room is equipped with the horizontal partition plate, which brings great difficulties to the construction. The group overcame all kinds of difficulties and provided the perfect construction scheme and high-quality service for the construction party.