Experiments on the buckling of thin-walled model silo structures

Rotter, J.; Jumikis, P. T.; Fleming, Sean; Porter, Simon

doi:10.1016/0143-974x(89)90032-1

Cited by 22 publications

(6 citation statements)

References 11 publications

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“…Some researchers have conducted assays on model silos made to scale (Ahn et al, 2008;Askegaard and Munch-Andersen, 1985;Chou and Hsu, 2003;Chou et al, 2002;Coetzee and Els, 2009;Grudzien et al, 2011Grudzien et al, , 2010Nedderman and Tüzün, 1979;Niedostatkiewicz et al, 2009;Rotter et al, 1989;Sielamowicz et al, 2005Sielamowicz et al, , 2006Wu et al, 2009;Wójcik and Tejchman, 2009) for studying the actions produced by the stored materials in silos. However, it is well-known that errors of scale have often led to results which differ considerably from behavior at full scale (Chen et al, 2007;Nielsen and Askegaard, 1977).…”

Section: Introductionmentioning

confidence: 99%

Simulation of silo filling and discharge using ANSYS and comparison with experimental data

Gallego

Ruíz

Rodríguez

2015

Computers and Electronics in Agriculture

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Section: Introductionmentioning

confidence: 99%

Simulation of silo filling and discharge using ANSYS and comparison with experimental data

Gallego

Ruíz

Rodríguez

2015

Computers and Electronics in Agriculture

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“…Such buckling failures have been found extensively in model experiments (e.g. Pieper & Wenzel, 1964;Rotter et al, 1989;Watson & Niland, 2009). These all display a characteristic axial compression buckle across the flow channel somewhere near midheight.…”

Section: Fig 1 -Idealised Image Of Solids Flow Under Eccentric Dischmentioning

confidence: 96%

Buckling in Eccentrically Discharged Silos and the Assumed Pressure Distribution

Sadowski

Rotter

2013

J. Eng. Mech.

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Eccentric discharge in slender metal silos is known to be one of the most critical load conditions, responsible for many silo buckling disasters in the past. The high failure rate may be significantly attributed to difficulties in devising a suitable wall pressure representation for this condition. Where the flow of stored solids is eccentric and has partial contact with the wall in a slender silo, the solid exerts much lower pressures than the adjacent stationary solid. This pressure drop leads to very high local axial compression and causes buckling failure. Experimentally measured pressures indicate that a significant rise in pressure may occur just outside the flow channel, but its form and magnitude are not yet well understood because very detailed and expensive instrumentation is needed to obtain data that can define it. This paper explores the nonlinear structural behaviour and buckling of a slender metal silo with and without specific inclusion of an adjacent rise in pressure, to determine whether it is a necessary part of any design pressure representation.To assist this investigation, the mechanics of the nonlinear behaviour of a cylindrical silo under this load condition is explored using the analogy of a propped cantilever slice-beam. Advantage is taken of a particular load condition that leads, by chance, to buckling at the same load factor for both linear and geometrically nonlinear analyses.This special case permits the detrimental effect of wall flattening and the beneficial effect of the changing prebuckling stress pattern to be explored to give a deeper insight into the behaviour. The slice-beam analogy may also be generalised to describe the nonlinear behaviour of any thin-walled cylindrical shell under meridional strip-like loads acting on part of the circumference.

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“…Like most of the conventional steel structures, buckling under vertical compressive stresses is the critical consideration for the thin-walled steel silos prone to a loss of stability [15,67]. The main sources of the vertical compressive forces in silos are the frictional traction pressure imposed by the stored material and the horizontal pressure.…”

Section: Buckling Types and Analysismentioning

confidence: 99%

“…Therefore, some studies were introduced in the literature addressing the buckling behavior of silos under eccentric discharge. One of the earliest comprehensive studies was conducted by Rotter [15], in which experiments were performed to investigate the buckling behavior of a cylindrical shell under pressure directly induced by the stored solids. This study took into consideration buckling strength increment derived from the stored solid stiffness.…”

Section: Buckling Types and Analysismentioning

confidence: 99%

“…Structural integrity and the response of the silo to gravity loads (dead loads, grain loads) [2,3], seismic loads [4,5], thermal loads [6]; the impact of the different aspects on structural behavior of silos, such as supporting system arrangements, silo-columns attachment [7,8], ring beam [9,10], imperfection measurement [11,12], imperfectionsensitivity of the shell [7,13], imperfection methods representation [14], and buckling behavior [15,16]. Furthermore, some aspects regarding the structural integrity improving [17,18] and strengthening [19] are provided.…”

Section: Introductionmentioning

confidence: 99%

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Assessment of Structural Behavior, Vulnerability, and Risk of Industrial Silos: State-of-the-Art and Recent Research Trends

Ruggieri

Uva

2022

Applied Sciences

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This paper presents a literature compendium about the main studies on the structural behavior, vulnerability, and risk of industrial silos, as one of the most important players of different industrial processes. This study focuses on the main scientific works developed in the last decades, highlighting the more notable issues on circular steel silos as the most widespread typology in practice, such as the content–container complicated interaction, the structural and seismic response, and the several uncertainties in the design and assessment processes. Specifically, this paper proposes a near-full state-of-the-art on (i) the behavior of silos under different kinds of loads, ordinary and extreme, (ii) the effects of imperfections and the interacting structures (e.g., ring beams, supporting structures), (iii) the stored material properties, the relevant uncertainties and the impact on the silo behavior, (iv) the possible failure modes given by the focused structural configuration and the stored materials, and (v) assessment and risk mitigation strategies. Throughout the text, some considerations are provided in order to summarize the more recent research trends about steel silos and to highlight the still open issues on the risk and vulnerability reduction of these kinds of structures.

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Experiments on the buckling of thin-walled model silo structures

Cited by 22 publications

References 11 publications

Simulation of silo filling and discharge using ANSYS and comparison with experimental data

Simulation of silo filling and discharge using ANSYS and comparison with experimental data

Buckling in Eccentrically Discharged Silos and the Assumed Pressure Distribution

Assessment of Structural Behavior, Vulnerability, and Risk of Industrial Silos: State-of-the-Art and Recent Research Trends

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