沪苏锡常城际铁路太仓先导段双机并行

Core Insights - The Taicang pilot section of the Huzhou-Su-Xi-Chang intercity railway has reached a critical milestone with the successful launch of the second shield machine "Qihang," marking the project’s entry into a new phase of "dual-machine parallel and synchronous excavation" [1] - The project is part of the key initiatives outlined in the "Yangtze River Delta Multi-level Rail Transit Planning," aiming to enhance regional rail connectivity and efficiency [2] Group 1 - The "Qihang" shield machine is utilized for the SG3 section from Taicang Station to Baiyun Road Station, featuring a total length of 116 meters and a digging diameter of 9.315 meters, equipped with an intelligent control system to handle complex geological conditions [1] - The left line shield machine "Sutie Pioneer" has already commenced excavation since November 2025, having progressed 135 meters so far [1] - Both shield machines will operate 24 hours continuously, with an initial excavation speed of 3 rings per day for the first 80 rings, increasing to 6 rings per day thereafter, aiming for section completion by mid-2027 [1] Group 2 - Upon completion, the project will enable metro-style operations, allowing passengers to use card swipes for seamless transfers with over ten subway lines and airport connections in Shanghai, significantly reducing commuting time from Taicang to downtown Shanghai [2] - This development will not only enhance the regional rail transit network but also facilitate the efficient flow of talent and resources among the four cities of Huzhou, Suzhou, Wuxi, and Changzhou, injecting strong momentum into the construction of the "Railway-based Yangtze River Delta" [2]