以慕家梁隧道进洞施工为例,通过施工方案比选确定了具体施工方案,并对施工要点及技术措施进行了全面阐述,经综合措施的实施,施工期间掌子面掘进平稳,顺利下穿210国道,为类似隧道进洞设计及施工积累了经验。%Taking the tunneling construction at Mujialiang Tunnel as the example, the study identifies the factual construction scheme by compa- ring with the construction schemes, illustrates the construction points and the technical measures, and proves that the tunnel face was stable and crossed No. 210 National Road smoothly during the construction by implementing the comprehensive measures, so as to accumulate experience for the tunneling design and the construction.
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