山南市萨热路跨江大桥

Core Viewpoint - The successful pouring of the first zero block of the main bridge of the Samzhurong River Cross-River Bridge marks a significant milestone in the construction of a major municipal infrastructure project in Shannan City, indicating the project has entered a critical phase for the upper structure of the main bridge [1] Group 1: Project Overview - The total length of the Samzhurong River Cross-River Bridge is 1456 meters, with the main bridge measuring 1366 meters and a total width of 26 meters, designed for four lanes of traffic in both directions [1] - The project is being constructed by China Railway Construction Corporation and is managed by Shannan City Investment [1] Group 2: Construction Techniques - To ensure the quality of the zero block pouring, the project team implemented a scientific construction plan, utilizing insulated materials for formwork and low-temperature early-strength curing techniques to accurately control the concrete curing temperature [1] - These measures have ensured the quality of concrete during winter construction, providing valuable experience for large bridge construction in high-altitude areas [1] Group 3: Economic and Social Impact - Upon completion, the Samzhurong River Cross-River Bridge will serve as a crucial transportation hub connecting the north and south banks of the Yarlung Tsangpo River, significantly reducing travel time and greatly facilitating public transportation [1] - The bridge will also enhance regional connectivity between Shannan City and Lhasa City, promoting industrial complementarity and resource sharing, thereby supporting the integrated development process of Lhasa and Shannan [1]