›› 2017, Vol. 31 ›› Issue (5): 543-545.

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Small Diameter Steel Tube as Supporting Structure for Manually Excavated Caissons

LEI Yizhong   

  1. (Guizhou Shougang International Engineering Technology Co., Ltd., Liupanshui 553028)
  • Received:2017-06-23 Revised:2017-07-14 Online:2017-10-20 Published:2017-10-29

Abstract: The small diameter steel tubes were used as a supporting structure of manually excavated caissons in mountain soft soil strata. The design and construction sequence of the small diameter steel tube supporting structure are introduced. The results indicate that this method can effectively reduce the construction time, and cost while increase the safety.

Key words: Small Diameter Steel Tube Supporting Structure, Manually Excavated Caissons, Plumb, Seamless Steel Tubes, Supporting Structure