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| SEVERAL REGULARITY OF STRONGLY-PRESSED UNDERGROUND CAVERN CAUSED BY HIGH GROUND STRESS |
| FU Hua-xing |
| Chi na Railway Fifth Engineering Bureau( Group) Company |
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Abstract 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.
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Received: 10 July 2000
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2000, Vol. 17 
