Buckling experiments on steel silo transition junctions. I: Experimental results

Y. Zhao, Jinguang Teng

Research output: Journal article publicationJournal articleAcademic researchpeer-review

13 Citations (Scopus)


Large elevated steel silos for the storage of bulk solids generally consist of a cylindrical vessel above a conical discharge hopper supported on a cylindrical skirt. The cone-cylinder-skirt transition junction is subject to a large circumferential compressive force which is derived from the horizontal component of the meridional tension in the conical hopper, so either a ring is provided or the shell walls are locally thickened to strengthen the junction. Extensive theoretical studies have examined the buckling and collapse strengths of these junctions, leading to theoretically based design proposals. However, no previous experimental study on steel silo transition junctions has been reported due to the considerable difficulties associated with testing these thin-shell junctions at model scale. This paper presents the results of a series of tests on cone-cylinder-skirt-ring junctions in steel silos under simulated bulk solid loading. In addition to the presentation of test results including geometric imperfections and failure behavior, the determination of buckling modes and loads based on displacement measurements is examined in detail.
Original languageEnglish
Pages (from-to)1783-1801
Number of pages19
JournalJournal of Constructional Steel Research
Issue number12
Publication statusPublished - 1 Dec 2004


  • Buckling
  • Experiments
  • Imperfections
  • Postbuckling
  • Shells
  • Stability
  • Steel silos
  • Transition junctions

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanics of Materials
  • Metals and Alloys


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