南京和燕路长江隧道 总体设计研究

南京和燕路长江隧道是国内水深最大、水压最高的超大直径盾构隧道，也是首条一次性穿越强透水砂层、软硬不均复合地层、硬岩层、岩溶地层和区域断裂等多种复杂地质条件的水下隧道。本文结合工程建设环境条件、隧道施工安全与风险等因素，对工程总体设计的平面设计、纵断面设计、横断面布置、疏散救援等技术问题进行了分析研究，确定了合理的工程总体设计方案，可为类似工程提供参考。

Design of Nanjing Heyan Road Yangtze River Tunnel

Nanjing Heyan Road Yangzi River Tunnel is the largest shield tunnel with the largest water depth and highest water pressure in China. It is also the first Underwater tunnel facing the complex geological conditions including underpassing through a strong permeable sand layer, an inhomogeneous composite soft and hard stratum, a hard rock layer, a karst stratum, and regional fractures. In this paper, combining the environment conditions, tunnel construction safety and risk and other factors, analysis of overall design has been made on position design, Tunnel profile design, cross-section design, evacuation and rescue and other technical issues, and a reasonable project overall design program was determined. This paper can provide a reference for similar projects.