Mitigating the Risk of 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

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

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

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

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

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

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

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

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

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 […]