我国首座单索面矮塔曲面菱形塔身斜拉桥主塔封顶

Core Insights - The completion of the main tower for the Pengjiazai Township interconnectivity project marks a significant milestone, transitioning the project from foundational work to the upper structure phase, which is crucial for the subsequent construction activities [1][2] - The bridge, designed as a single-cable-stayed structure with a diamond-shaped main tower, symbolizes urban vitality and represents a pioneering achievement in structural design and construction technology in China [1] Group 1: Project Details - The bridge is located in the Fuxing District of Handan City and spans the busy Beijing-Guangzhou Railway, featuring a main bridge design of (68+68) meters with a single-tower prestressed concrete cable-stayed configuration [1] - The main tower stands at a height of 32 meters, with a hexagonal solid concrete cross-section that tapers from the base to the top, showcasing innovative engineering techniques [1] Group 2: Construction Techniques - The construction team employed an "one-time molding" technique and utilized tower cranes for material handling, which allowed for the early relocation of equipment such as contact network supports and power lines [1] - A third-party monitoring system was implemented to ensure real-time tracking of railway bed settlement and line safety, ensuring that railway operations remain unaffected during construction [1] Group 3: Infrastructure Impact - Upon completion, the project will enhance the functionality of the North Warehouse Road, addressing the travel needs of surrounding communities and contributing to the overall improvement of urban infrastructure quality and sustainability in Handan City [2]