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本文通过对紫云隧道水文及工程地质分析,有针对性地、分阶段采用调绘、物探、钻探、水文试验和观测等技术手段综合勘探,查明隧址区的水文及工程地质条件,为隧道分段涌水量预测、涌突水危险段划分提供依据,同时也为隧道设计提供其他相关参数;并结合隧道洞身段水文地质条件,分析了地下水对隧道建设、隧道建设对水文环境相互关系,综合评价紫云隧道建设对邻近母猪笼水源保护区的影响,并采取相应工程处治措施,降低对水源保护区的干扰,为以后类似工程隧道勘察提供方法及思路。
Based on the hydrological and engineering geological analysis of Ziyun Tunnel, this paper comprehensively explores the hydrological and engineering geological conditions of the tunnel area by using the techniques of tone mapping, geophysical prospecting, drilling, hydrological experiment and observation in phases and in stages. Tunnel section gushing water forecasting and division of water inrush danger are provided, and other relevant parameters are also provided for tunnel design. Combined with the hydrogeological conditions of tunnel body section, the paper analyzes the relationship between groundwater and tunnel construction, tunnel construction and hydrological environment, Comprehensive evaluation of the construction of Ziyun tunnel on the adjacent sow’s cage water source protection zone, and take appropriate engineering measures to reduce interference with water source protection areas for the future similar projects to provide ways and ideas for tunnel investigation.