余杭运河大桥主桥下层桥面钢混衔接合龙

Core Viewpoint - The completion of the concrete pouring for the first span of the lower deck of the Yuhang Canal Bridge marks a significant milestone in the bridge's construction, indicating the successful connection of the main bridge's lower steel-concrete interface [1] Group 1: Project Overview - The Yuhang Canal Bridge renovation project is a cross-district initiative located at the boundary of Yuhang District and Linping District, spanning 1.01 kilometers across the Grand Canal [1] - It is the first large-span double-layer steel truss arch bridge in Zhejiang Province, with the main bridge measuring 300 meters in length [1] Group 2: Structural Details - The upper deck of the bridge will serve as part of the Hangzhou urban area ring expressway, featuring six lanes in both directions, while the lower deck will accommodate a configuration of "six lanes for vehicles + non-motorized lanes + pedestrian walkways" [1] Group 3: Economic and Social Impact - Upon completion, the Yuhang Canal Bridge will serve as a crucial transportation hub connecting Yuhang District and Linping District, alleviating traffic pressure in the surrounding areas and reducing travel time for residents [1] - The project aims to enhance the regional transportation network and promote economic collaboration within the area, while also linking other engineering nodes of the Hangzhou ring road to improve the city's transportation infrastructure [1]