随着潜艇耐压船体的几何尺寸增大，耐压壳体的强度与稳定性分析仍然是一个具有重要实际意义的研究课题。
With the lager dimension of the submarine pressure hull, the strength and stability analysis of pressure hull is still an important subject in the submarine design.
本论文针对有限元强度折减法在隧洞近接桩基稳定性分析与设计中的应用以及隧洞位移释放系数进行了较详细的研究。
The application of strength reduction FEM in the stability analysis of tunnel under pile loads and design and displacement release factor of tunnel were studied in detail in this thesis.
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