对水平平行双线顶管之间的相互作用进行了分析，提出了横向扰动区范围的计算公式。
The interaction of two level parallel pipe jacking is analyzed; and the calculation of lateral disturbance scope is advanced.
在理论分析塑性区范围的基础上，结合工程实例探讨了竖井施工扰动区与塑性区之间的关系。
Based on the above, the relationship between the disturbance area and the plastic area during the vertical drain construction is discussed, combined with project cases.
在线性加载的情况下，考虑了扰动区土体水平渗透系数抛物线变化以及桩周土体的径、竖向组合渗流，给出了该问题的控制方程以及解答。
OADC with consideration on the gradual variation of horizontal permeability of soil in disturbed zone is greater than the one without considering the horizontal permeability variation.
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