Core Points - The construction of Hangzhou Metro Line 15 Phase I has reached a critical milestone with the successful launch of the "Kechuang" shield tunneling machine, marking the start of a new phase of simultaneous multi-point advancement [1][2] - The total length of Line 15 is approximately 40.5 kilometers, connecting four districts: Linping, Gongshu, Shangcheng, and Xiaoshan, with a total investment of about 446.8 billion yuan [1] - The SG15-8 section is a key control project, featuring a shield tunnel that runs under the Qiantang River, with a total length of 2,448 meters and an outer diameter of 11.3 meters, making it the only section of Line 15 to use large-diameter shield construction [1] Industry Insights - The successful initiation of the shield tunneling process is expected to accelerate the construction timeline of the north-south urban transit line, with six to seven shield machines anticipated to operate simultaneously during peak construction periods [2] - The completion of Line 15 will significantly enhance the transportation connectivity across the Qiantang River, playing a vital strategic role in improving the overall transportation capacity of Hangzhou [1]
穿江“大动脉”已开挖 地铁15号线一期工程大盾构顺利始发
Mei Ri Shang Bao·2025-11-20 02:51