Bending Moment in Walls of Grouped Silos Due to Structural Continuity

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Title: Bending Moment in Walls of Grouped Silos Due to Structural Continuity

Author(s): Judith J. Stalnaker and Ernest C. Harris

Publication: Structural Journal

Volume: 89

Issue: 2

Appears on pages(s): 159-163

Keywords: bending moments; continuity (structural); finite element method; reinforced concrete; silos; stiffness; structural design; tensile strength; Structural Research

Date: 3/1/1992

Abstract:
Presents a simple method for computing secondary horizontal bending moment due to continuity in the walls of grouped circular silos. The method was derived from a comprehensive series of finite element analyses for unit-diameter silos in groups of two, three, four, and six silos. The analyses identified the worst-case combinations of full and empty silos, which were then used in analyses with several different stiffnesses (as measured by the ratio of silo diameter-to-wall thickness.