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以石家庄市城市轨交1号线张营停车场——西王站矿山法暗挖隧道为背景,针对小间距隧道,通过分析隧道开挖过程中周边土体位移变化以及对隧道自身力学行为的研究。研究结果表明:加固方案能够较明显地控制隧道周边土体的变形,减小隧道开挖过程中对周围环境以及对已建隧道的影响。
Taking the tunneling of Zhangying parking lot - Xiwang station under the tunnel of Zhangjiaying, Line 1 of Shijiazhuang city rail transit as the background, this paper analyzes the displacement of surrounding soil and the mechanical behavior of the tunnel in the process of tunnel excavation for small spacing tunnels the study. The results show that the reinforcement scheme can obviously control the deformation of the soil around the tunnel and reduce the impact on the surrounding environment and the tunnel which has been built during tunnel excavation.