Taking a tunnel of Yunnan MaZhao high way as the research object,karst cave of its construction is ana-lyzed in the process,and the cave treatment technology and construction process are expounded.%该文以云南麻昭高速公路的一条隧道为研究对象，对其施工过程中遇到的溶洞进行分析，并对溶洞处理技术及施工工艺进行了阐述。
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