“钢铁巨龙”这样建成

Core Points - The Changtai Yangtze River Bridge has officially opened, significantly reducing travel time between Changzhou and Taizhou from 80 minutes to 20 minutes [1] - The bridge features a total length of 10.03 kilometers, including a main span of 1208 meters, and has set multiple world records in bridge engineering [1] - The construction of the bridge involved innovative techniques and advanced materials, including the highest strength parallel wire cables and the longest and heaviest stay cables in the world [2][3] Construction Techniques - The installation of high-strength stay cables was achieved using a unique method that required precise alignment and coordination, overcoming challenges posed by high-altitude winds and cable torsion [3] - The underwater foundation utilized a novel step-type caisson design to reduce scour and weight, with the caisson sinking over 65 meters into the riverbed [4][5] - Advanced robotic technology has replaced traditional diving methods for underwater construction, enhancing safety and efficiency [5] Structural Innovations - The main tower of the bridge, standing at 350 meters, features a space diamond structure that improves load-bearing capacity while presenting construction challenges [5][6] - The use of industrialized and intelligent construction techniques allowed for the prefabrication of rebar components, significantly increasing construction efficiency and safety [6][7] Equipment and Technology - The bridge construction employed the world's largest span cable-stayed bridge crane, capable of lifting up to 1800 tons, showcasing significant advancements in lifting technology [7][8] - A custom-designed tower crane was developed to meet the specific needs of the project, further enhancing the construction capabilities [8] Workforce Development - A training center for construction workers was established, focusing on enhancing skills and integrating technology into the workforce, with over 1500 training sessions conducted [9] - The project has fostered a culture of innovation among workers, leading to the development of new techniques that improve efficiency and reduce labor requirements [9]