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特殊地段的沉降控制一直是盾构施工中的难点、风险点,本文介绍了广州地铁某盾构区间在经过“三区”(隧顶覆砂区、桩基础群区和地面密集建筑物区)地段时所采取的技术措施,以期对类似地层有借鉴和指导作用。
Settlement control of special sections has always been a difficult point and a risk point in the construction of shield shield. This article introduces a shield of Guangzhou Metro passing through “three zones” (tunnel-top sand-covered area, pile foundation area and ground-intensive building area) Lots of technical measures taken in the hope of similar strata for reference and guidance.