中文摘要：

通过对轨道交通1号线望春桥站—泽民站区间盾构施工地表沉降测试,分析了宁波软土盾构隧道施工引起的地表沉降规律,进而采用Peck公式、Celestino法、Vorster法、Sagaseta法、Loganathan＆Poulos法、Chi法、Park法、Yoshikoshi法、Verruijt＆Booker法、Loganathan法对横向地表沉降,采用Sagaseta法、修正Sagaseta法、Yoshikoshi法、修正Yoshikoshi法对纵向地表沉降分别进行拟合分析,结果表明：在宁波软土地层条件下,监测断面4D范围内的地表沉降发展较快,沉降变化速率较大;Peck公式、Celestino法、Vorster法、Chi法、Yoshikoshi法及Loganathan法对横向地表沉降拟合效果较好,纵向地表沉降宜采用修正Yoshikoshi法和修正Sagaseta法,为宁波以轨道交通盾构隧道施工地表沉降控制提供依据。

英文摘要：

In line 1 of the Ningbo urban rail transit from the Wangchunqiao Road Station to the Zemin Road Station,the surface settlement caused by shield construction on the Ningbo urban rail transit are analyzed through tests. The lateral surface settlement is fitted and analyzed by using the Peck formula,Celestino method,Vorster method, Sagaseta method, Loganathan Poulos method, Chi method, Park method,Yoshikoshi method,Verruijt Booker method and Loganathan method. The vertical surface settlement is fitted and analyzed by using the Sagaseta method,Sagaseta correction method,Yoshikoshi method and Yoshikoshi correction method. The results show that in the soft soil layer in Ningbo,in the range of monitoring section＇quadruple diameter,the surface settlement develops rapidly and the change rate is large. The Peck formula,Celestino method,Vorster method,Chi method,Yoshikoshi method and Loganathan method are better to fit the lateral surface settlement. The Sagaseta correction method and Yoshikoshi correction method are better to fit the vertical surface settlement. The results provide a basis for the surface settlement control of the shield construction of the Ningbo urban rail transit.