Recommended Practice for Design and Construction of Concrete Bins, Silos, and Bunkers for Storing Granular Materials

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Title: Recommended Practice for Design and Construction of Concrete Bins, Silos, and Bunkers for Storing Granular Materials

Author(s): ACI Committee 313

Publication: Journal Proceedings

Volume: 72

Issue: 10

Appears on pages(s): 529-548

Keywords: bins;concrete;concrete construction;dead loads;dynamic loads;earthquake resistant structures;formwork (construction);granular materials;lateral loads; loads (forces);overpressure;quality control;reinforced concrete;reinforcing steels; silos.

Date: 10/1/1975

Abstract:
This recommended practice gives material, design and construction requirements for reinforced concrete bins, silos, and bunkers and stave silos for storing granular materials. It includes recommended design and construction criteria based on experimental and analytical studies plus world-wide experience in silo design and construction. Bins, siols and bunkers are special structures, posing special problems not encountered in normal building design. While this recommended practice refers to "Building Code Requirements for Reinforced Concrete" (ACI 318) for many applicable requirements, it provides supplemental detail requirements and ways of considering the unique problems of dynamic and static loading of silo structures. Much of the method is empirical, but this reccommended practice does not preclude the use of more sophisticated methods which give equivalent or better safety and reliability. This recommended practice sets forth recommended loadsings and methods for determining the stresses in the concrete and reinforcement resulting from these loadings. Methods are recommended for determining the thermal effects resulting from stored material and for determining crack width in concrete walls due to pressure exerted by the stored material. Appendixes provide recommended minimum values of overpressure and impact factors.