Study on the Law of the Ground-Settlement and Earth Pressure Change of Sheild Tunneling in Shenzhen Metro

In this paper the FEM is used to imitate the whole process of the shield tunneling construction and analyze the size and distribution of the ground-settlement and earth pressure during different construction process in the Line 1 of Shenzhen Metro.The variation of ground settlement and earth pressure scale and distribution with the construction process is analyzed.A comparison is carried out between the earth pressure and its design value.The innovation of this paper is to reveal the variability and distribution law of the ground-settlement and earth pressure in the different stage of the shield tunneling,which have certain reference value to the construction and design of the shield tunneling.