DESIGNING SILO WALLS FOR FLOW PATTERNS

A procedure for design of concrete silo walls subjected to asymmetric flow patterns is presented. Differences between concentric and asymmet ric flow for both the mass flow and the funnel flow cases are discusse d. A method of computing differential wall pressures resulting from fl ow channels is presented along with guidelines for selecting design fl ow channel geometry and creating a practical silo design for asymmetri c flow. Design aids (based on finite element modeling) for estimating circumferential moments are included. Two silo design examples are pre sented; one for grain and one for coal.