This paper introduces the attempt of large section roadway maintenance support reinforcement under specific geological conditions and the successful experience, which can provide reference for similar tunnel construction and lay a practice foundation, and is worth promoting in similar supporting applications.%本文介绍了在特定地质条件下大断面巷道维修支护加固中的尝试和取得的成功经验，为类似条件下的巷道施工积累了经验，奠定了实践基础，值得在类似支护应用中推广。
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