4.9 01 = i THE 198 B 4 第17 STAT E brail 0 an R 14 B The Property of Children t a B 1 11 and and the with - Ach 在技术保障方面，项目采用了自动测量机器人、无人机点云技术等新技术的应用，为桥梁荷载试验探索新路径。 通过本次荷载试验，充分检验了大桥设计和施工质量，评价了大桥在设计使用荷载下的工作性能，为竣工验收及运营管理提供技术依 据，为大桥建立"指纹"档案。 双柳长江大桥项目预计将于今年年底基本建成，拟于2026年3月底通车试运营。届时，武汉市新洲区到鄂州的行车时间将由原来的一 个半小时大幅缩短至5分钟，将显著增强武汉东部区域交通联络，完善区域路网布局，为沿线经济社会发展注入新的动力。 12月21日，由湖北交投集团投资、中交二航局承建的双柳长江大桥项目主桥顺利完成通车前关键的荷载试验，通过静载与动载两种测 试方式，系统验证了长江大桥结构承载能力、刚度及动力特性等关键指标，为后续交工验收和通车试运营提供了重要技术支撑。 本次长江大桥荷载试验从12月18日晚正式开始，共历时4天。针对双柳长江大桥悬索结构柔性 ...

Core Points - The Yilai Expressway Chai Buxi Grand Bridge, the world's widest double-sided I-beam composite cable-stayed bridge, completed its load test on October 31, marking it as Hubei Province's first cable-stayed bridge built at the same level for both expressway and provincial road [1][2] - The bridge is a key control project in the Yichang section of the Yilai Expressway, which is part of Hubei's highway network planning [1] Summary by Sections Bridge Specifications - The main bridge spans 904 meters with a main span of 480 meters and a width of 44.5 meters, designed for "two-way four-lane expressway + two-way two-lane secondary road" standards [1] - The project is funded by Hubei Communications Investment Group and constructed by Yichang Construction Company, with China Communications Second Highway Engineering Bureau as the contractor [1] Load Testing - The load test serves as the "ultimate health check" before the bridge opens, simulating various driving conditions to assess structural safety and load-bearing capacity [1] - The static load test involved 19 test conditions with a heavy vehicle fleet of 35-ton three-axle trucks, achieving a maximum load of 1715 tons with 49 vehicles [1] - Over 190 strain measurement points, 50 displacement measurement points, and 40 cable force measurement points were set up to monitor key indicators in real-time [1] Dynamic Load Testing - The dynamic load test included 15 conditions, covering pulsating tests, unobstructed driving, obstructed driving, and braking tests to gather critical response data under dynamic loads [2] - All tests were conducted at night to minimize temperature fluctuations affecting accuracy, with technical staff working in shifts to ensure data reliability [2] Economic and Social Impact - The completion of the Yilai Expressway will enhance the highway network in the Wuling Mountain area of Hubei Province, significantly benefiting tourism, supporting the development of revolutionary old areas, and promoting economic cooperation and ethnic unity in the region [2]

Core Points - The world's highest bridge, the Huajiang Grand Canyon Bridge, is undergoing a load test, which is a critical step before its opening to traffic [5] - The load test consists of static and dynamic load tests to verify the bridge's structural safety and load-bearing capacity [5] - On August 25, the final phase of the static load test was conducted with 96 test trucks, each weighing 35 tons, simulating heavy traffic conditions [5] - The total load on the bridge reached approximately 3360 tons during the test, assessing key structural components under stress [5] - Previous tests with 18 and 48 trucks also showed results within calculated limits, indicating the bridge's readiness for operation [5]

Core Viewpoint - The load testing of the world's highest bridge, the Huajiang Grand Canyon Bridge, has officially commenced, marking a significant milestone in its construction and safety verification process [1][2]. Group 1: Project Overview - The Huajiang Grand Canyon Bridge is a key control project of the Guizhou Liuzhi-Anlong Expressway, located in Anshun City, Guizhou Province, spanning the Beipan River Huajiang section [1]. - The bridge has a total length of 2,890 meters and a main span of 1,420 meters, making it the highest bridge in the world at a height of 625 meters above the water surface [1]. Group 2: Load Testing Details - The load testing consists of three phases: empty load test, static load test, and dynamic load test, and will last for four days [1]. - A total of 15 test conditions will be arranged, with over 400 sensors deployed to monitor the deformation and stress of the bridge's main tower, main beam, and main cable under static load [1]. Group 3: Economic Impact - Once operational, the bridge will significantly reduce travel time, cutting the journey from two hours to just two minutes, and the travel time from Liuzhi Special District to Anlong County from three hours to 1.5 hours [2]. - This improvement is expected to play a crucial role in boosting economic development in Guizhou Province, facilitating resource connectivity and promoting local economic growth [2].

Group 1 - The Huajiang Grand Canyon Bridge, which is under construction, has officially started its load testing, marking a significant milestone in its development [1][2] - The bridge is part of the Liuzhi to Anlong Expressway and will be the highest bridge in the world upon completion, with a total length of 2890 meters and a main span of 1420 meters, standing 625 meters above the water surface [1] - The load testing process will last for four days and includes static and dynamic load tests, with a maximum load of 3300 tons during the static tests [1] Group 2 - The construction of the Huajiang Grand Canyon Bridge began in January 2022 and is expected to be completed and operational by September 2023, which will significantly enhance regional connectivity and promote local economic development [2]