The control of subsidence of the soft soil base after construction is a key problem.
公路软基工后沉降的控制一直是工程技术人员特别重视的问题之一。
The paper also discusses the comprehensive control of subsidence in tems of administration, planning, design and market-based methods.
着重讨论了地面沉降的综合治理，从行政手段、规划设计、市场管理等方面提出了一些建议。
In order to control the subsidence of the interval tunnel and guarantee the safety of operation strictly, pipe-jacking is used as pre-support for the first time.
为了严格控制既有环线区间隧道的沉降，确保环线地铁运营安全，首次采用了顶管作超前预支护。
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