According to this practical project , beijing metro no . 10 line crosses under the beijing metro no . 13 line existed station structure , this paper has made an overall and systemic analytical study on crosswise surface settlement and the longitudinal surface settlement process which influence by metro tunnel construction with shield driven method through analyzing a mass of site monitoring data . the settlements in different period are concluded , the crosswise surface settlement influence scope , some construction factors to surface settlement has been analyzed too 本文针对北京地铁十号线芍药居至北土城东站区间隧道下穿既有城铁十三号线芍药居车站结构这一实际工程,通过大量的现场监测资料分析,研究了盾构掘进过程中对横向地表沉降和纵向地表沉降的影响过程;探讨了盾构掘进各个阶段的沉降占总沉降量的百分比;分析了盾构掘进对横向地表沉降的影响范围,以及各种施工因素对地表沉降的影响。
