Journal of Mining & Safety Engineering ›› 2017, Vol. 34 ›› Issue (2): 243-250.

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Composite supporting technology of concrete-filled steel tubular support in extremely soft rock roadway with large section

  

  • Received:2015-12-17 Online:2017-03-23 Published:2017-03-29

Key words: large section;extremely soft rock;concrete-filled steel tubular support , (CFST support);confined ring;enclosed type;composite , support