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Title: Stress Resultants Due to Interstice Loading in Group of Four Cylindrical Silos

Author(s): Bernardo Horowitz and Fernando Artur Nogueira

Publication: Structural Journal

Volume: 96

Issue: 2

Appears on pages(s): 307-313

Keywords: bending moments; concretes; hoops; silos

Date: 3/1/1999

This study presents a rational method to compute stress resultants in reinforced-concrete silo groups with four cylindrical cells of the same diameter subject to interstice loading, using, in the longitudinal direction, a Timoshenko beam on elastic foundation model, and in the transverse direction, a clamped arch model. The proposed method was verified through an extensive parametric study using three-dimensional finite element analysis and a nonlinear least squares technique. The prediction of continuity bending moments is quite accurate and hoop forces are adequately estimated for design purposes.


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