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文章以温家塘双线铁路隧道为例,探索了中壁法和上下台阶法在软弱围岩隧道开挖中的应用。通过制定详细的施工方案,采取周密的技术措施,在保证围岩稳定和施工安全的前提下,合理安排、均衡施工,使工程质量、安全、进度等目标得到了有效的控制。
Taking Wenjiatang double-track railway tunnel as an example, the article explores the application of middle wall method and up and down step method in tunnel excavation of weak surrounding rock. Through the formulation of detailed construction plans and careful technical measures, the construction of the surrounding rock and the construction of the project will be rationally arranged and the construction will be balanced under the premise of ensuring the stability of the surrounding rock and the objective of project quality, safety and progress has been effectively controlled.