An analytical solution for solid stresses in a silo with an inner tube

Jian-Fei Chen, Jin Y. Ooi, J. M. Rotter, Mustafa Batikha, G. Horrigmoe

    Research output: Chapter in Book/Report/Conference proceedingConference contribution


    This paper presents an analytical solution for the solid stresses in a silo with an internal tube. The research was conducted to support the design of a group of full scale silos with large inner concrete tubes. The silos were blasted and formed out of solid rock underground for storing iron ore pellets. Each of these silos is 40m in diameter and has a 10m diameter concrete tube with five levels of openings constructed at the centre of each rock silo. A large scale model was constructed to investigate the stress regime for the stored pellets and to evaluate the solids flow pattern and the loading on the concrete tube. This paper focuses on the development of an analytical solution for stresses in the iron ore pellets in the silo and the effect of the central tube on the stress regimes. The solution is verified using finite element analysis before being applied to analyse stresses in the solid in the full scale silo and the effect of the size of the tube.

    Original languageEnglish
    Title of host publicationParticle-Based Methods III: Fundamentals and Applications
    Subtitle of host publicationProceedings of the III International Conference on Particle-Based Methods, Fundamentals and Applications (Particles 2013), Stuttgart, 18-20 September 2013
    EditorsM. Bischoff, E. Ramm, E. Oñate, R. Owen, P. Wriggers
    Number of pages12
    Publication statusPublished - 2013
    Event3rd International Conference on Particle-Based Methods - Stuttgart, Germany
    Duration: 18 Sept 201320 Sept 2013


    Conference3rd International Conference on Particle-Based Methods


    • Bulk solid
    • silo
    • silo with internal tube
    • anti-dynamic tube
    • stresses
    • silo pressure


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