古代美索不达米亚人早已开挖隧道,但水下隧道却到19世纪才开挖成功。
The surrounding rock forms the new discharge passage after tunnel excavation, and intensifies the interactions between water and rock.
隧道开挖后形成新的地下水排泄通道,加剧了地下水对岩体的作用。
参考来源 - 富水地层中的破碎带对隧道围岩稳定性影响数值分析·2,447,543篇论文数据,部分数据来源于NoteExpress
因此,研究隧道开挖对周围地层的影响是一个十分重要的课题。
So it is important to research the effects of tunneling on soil around.
为保证施工过程中隧道开挖面的稳定,必须科学确定盾构泥浆特性参数。
To ensure the tunnel face stability in construction, the mud fluid properties must be obtained scientifically.
超前注浆管棚支护是一种避免在软土地层或含水地层中盾构隧道开挖面失稳的有效技术。
The advanced pipe grouting is an effective technique to avoid the instability of shield-tunneling faces in soft or water-bearing ground.
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