Mitigating the Risk of Silo Collapse

how to prevent silo collapse

At a glance, a concrete or steel silo appears to be a static, engineered structure designed to handle extreme forces. In reality, a silo is a dynamic system that is constantly responding to material flow, pressure changes, moisture, and vibration. When silos are treated as set-it-and-forget-it assets, small structural issues can quietly evolve into catastrophic […]

Post Tension Solution for Silo Damage Caused by Asymmetrical Flow – Arizona

silo inspection of asymmetric flow failure

Market: Manufacturing   Material Stored: Coal   Silo Size: Slip form, concrete silo 40′ x 107′   Issue: Cracking in the silo wall due to asymmetrical flow.   Project Background A Marietta Silos silo repair crew is shown placing support strands around the exterior wall of a silo that has cracked due to interior pressure […]

Grout Finish on Two Clarifying Units – KY

silo inspection of asymmetric flow failure

Market: Power   Material Stored: Bottom Ash in Water   Silo Size: 72′   Issue: Needed smooth, top layer of grout on the bottom of two clarifier units.   Project Background The bottom of the clarifying tank.   Bottom ash is a by-product of a coal-burning power generation facility. After the coal has been consumed, […]

Aggregate Silo Wall Failure Repair – Pennsylvania

silo inspection of asymmetric flow failure

Market: Manufacturing   Material Stored: Aggregates   Silo Size: 28′ diameter by 66′ tall   Issue: Wall failure   Project Background A concrete stave silo wall failure.   The above picture shows a wall failure in concrete stave silos that used steel galvanized hoops for structural integrity. Originally designed for silage storage in agricultural markets, […]

Cleaned and Coated 3 Limestone Silos – Texas

silo inspection of asymmetric flow failure

Market: Chemical Manufacturing   Material Stored: Lime   Silo Size: 26′ diameter by 50′ tall (Quantity 3)   Issue: Cleaned and coated silos   Project Background A concrete stave silo being coated with a specifically designed coating.   Pictured above is a concrete stave silo. The Marietta Silos crew is using a specifically designed, cementitious […]

Bulging and Cracked Stave Silo Walls with Broken Frame – Pennsylvania

silo inspection of asymmetric flow failure

Market: Manufacturing   Material Stored: Clay   Silo Size: 28′ diameter by 58′ tall   Issue: Bulging and cracked wall with a broken frame.   Project Background A concrete stave silo cracking from continued stress on its walls.   Stave silos were originally designed and used in agricultural markets for silage storage and are typically […]

Cracking and Broken Stave Silo Repair – Pennsylvania

silo inspection of asymmetric flow failure

Market: Manufacturing   Material Stored: Aggregates   Silo Size: 28′ diameter by 66′ tall   Issue: Cracking and broken staves   Project Background A concrete stave silo that uses galvanized steel hoops around the silo for structural support.   Pictured above is a concrete stave silo with galvanized steel hoops around the silo for structural […]

Repair of Silo Cracking and Delamination from Asymmetric Flow – Illinois

silo inspection of asymmetric flow failure

Market: Mining   Material Stored: Clean Coal   Silo Size: 70′ diameter by 200′ tall, Quantity (2) with Interstice   Issue: Asymmetric flow caused concrete delamination.   Project Background Two silos that were Slipformed concrete with an interstice connecting them.   Pictured above are two Slipform concrete silos with an interstice connecting them. Designed in […]

Cracking Stave Silo Repair – Texas

silo inspection of asymmetric flow failure

Market: Manufacturing   Material Stored: Coke   Silo Size: 28′ diameter by 60′ tall   Issue: Cracking staves   Project Background Silos that were constructed with concrete staves.   The silos, pictured above, were constructed with a poured in place base and concrete staves with steel galvanized hoops around the silo for added structural integrity. […]

Repair of Improper Lime Stave Silo Coating – Texas

silo inspection of asymmetric flow failure

Market: Chemical Manufacturing   Material Stored: Lime   Silo Size: 26′ diameter by 78′ tall   Issue: Inappropriate coating.   Project Background A concrete stave silo that was coated with latex paint.   Pictured above is a concrete stave silo that was coated with latex paint. This coating was inappropriate for the application and allowed […]