通过凉风垭隧道初期支护大变形的原因分析，阐述了隧道初期支护大变形的整治措施。
Analyzing reasons of large deformation of early supports of Liangfengya tunnel, the author states treatment measures of large deformation of early supports of the tunnel.
通过凉风垭隧道初期支护大变形的原因分析，阐述了隧道初期支护大变形的整治措施。
Analyzing reasons of large deformation of early supports of Liangfengya tunnel, the author states treatment measures of large deformation of early supports of the tunnel.
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