本文探讨和例举了较软弱围岩洞室受较大地应力影响所产生的强挤压问题。特别阐述了库伦理论和 摩尔应力圆在这方面的应用。力求使该类地下洞室所存在的强挤压问题，在理论上求得解答，为今后设计和 施工提供一些有用的参考。

The problems concerned with the strongly-pressed underground cavern with soft surrounding rock caused by rather high ground stress are explored in this paper and illustrated with practical examples-The applications of Coulomb s theory and Mohr s stress circle are expounded especially. It is aimed at to solve the strongly-pressed problem existing in such kind of underground cavern theoretically， so as to provide useful reference for design and construction hereafter.