中文摘要：

阐述了软土地铁隧道运营期沉降监控的必要性与重要性,并在分析软土地铁隧道运营期沉降特点的基础上,对国内外软土地铁隧道运营期沉降监测技术、沉降预测研究、沉降稳定性分析与预警研究等问题进行了系统总结,指出了软土地铁隧道运营期沉降监控研究中存在的问题,探讨了该领域研究的发展方向.

英文摘要：

The necessity and the importance of settlement monitoring of metro tunnels in soft soil during the operation period were described.Based on analyzing the settlement characteristics of the metro tunnels in soft soil during the operation period,the problems of the worldwide metro tunnels in soft soil during the operation period were systematically summarized,including settlement monitoring technology,settlement prediction research,settlement stability analysis,settlement warning and so on.The problems in the researches on the settlement monitoring of the metro tunnels in soft soil during the operation period were put forward.The trend of further researches on this field was discussed.