武汉地铁2号线越江隧道方案选型研究

摘要

以国内首条开通运营的武汉地铁2号线越长江隧道为例，全面分析研究了大洞、中洞、小洞等各种隧道越江方案特点，并就工程投资、地铁运营功能、技术风险、工程可实施性进行了综合分析，为地铁越江隧道长大区间方案的选择提供了参考。%Taking the China 's first opening and operation cross Yangtze River Tunnel of Wuhan Metro Line 2 as an example, the paper makes a comprehensive analysis on characteristics of different options of the big cross section, middle cross section, and small cross section cross-river tunnels. A comprehensive analysis on project investment, metro operation, technology risk and project implementation feasibility is conducted, providing a reference for option selection for long sections of cross-river metro tunnel.