盾构隧道叠交施工有一个重要现象,即在没有欠挖或过量压浆等施工因素的影响下地面仍然会降起,对此作了解释,并提出了地面隆起变形公式。将该公式和地面沉降的派克(Peck)公式进行叠加,给出了盾构隧道叠交施工地层移动的数学模型,其数值结果与现场测试结果基本一致。 An important phenomenon in the construction of shield tunneling is that the ground will still fall under the influence of construction factors such as under-digging or over-grouting, which is explained and a formula of ground uplift deformation is proposed. This formula is superimposed with the Peck formula of land subsidence, and the mathematical model of the strata movement of the shield tunnel overlapped construction is given. The numerical results are in good agreement with the field test results.