Reducing hoop stress in silos

Static structures (e.g. – buildings) – Fluent material hopper or storage container with material port – Bottom outlet port; e.g. – hopper bottom

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222482, 222488, 222564, B65G 6334

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active

050090461

ABSTRACT:
Means for reducing hoop stress in a silo cell comprising a grain tube located in the lower part of the silo cell, the wall of the grain tube having apertures in the silo base allowing entry of granular material into the grain tube and a restrictor below the apertures restricting the material flow so that when the silo cell first discharges the material, all of that discharge is through the upper ends of the tube, downwardly through the tube and outwardly from the silo cell through valve means beyond the lower end of the tube and restrictor.

REFERENCES:
patent: 1758662 (1930-05-01), Heath
patent: 3233796 (1966-02-01), Reimbert
patent: 3341090 (1967-09-01), Reimbert
patent: 3490655 (1970-01-01), Ledgert
patent: 4372466 (1983-02-01), Reimbert
Gravity Flow of Bulk Solids, by A. W. Jenike, 1961, pp. 208-294.
Bulk Solids: Storage, Flow and Handling, by P. C. Arnold et al., 1981, pp. 1-294.
Silos Theory and Practice, by M. L. Reimbert et al., 1976, pp. 1-138.
Strengthening Stiffening and Repair of Concrete Structures, by R. F. Warner, 1981, pp. 1-18.

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