Materials Stored in Concrete Silos
Our customers require many diverse materials to be stored within our reinforced concrete silos.
Hoffmann, working with our customer, can identify and develop all design factors to ensure the most practical and cost effective concrete silo for the material they want to store.

Ash Fly/Bed
Four 40’ dia. x 134’ high jumpform ash silos with elevated storage floors for railcar loading.
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Cement
Six 38’ dia. x 192’ high slipform concrete silos, married together to form two interstice silos with eight steel conical hoppers.
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Coal
Four concrete jumpform coal silos
One (1) 70’ x 214’ high
One (1) 68’ x 202’ high
One (1) 68’ x 196’ high
One (1) 58’ x 188’ high
- 50,000 ton total capacity
- Caissons with ring beam foundations
- Interior floors
- Hoffmann fabricated floor support beams
- Elevated storage floors with support columns
- Carbon steel lined lean mix concrete supported hoppers
- Full height caged safety ladders and platforms
- All silos are supported on drilled piers and have expanded flow hoppers
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Clinker
- One 74’ dia. x 194’ high slipform clinker silo with a 10’ x 11’ equipment tunnel.
- One 57’ dia. x 172’ high jumpform cement silo with an elevated storage floor designed for two driveways for truck loading and a control room.

Dry Distillers Grain
Three (3) 55’ dia. x 112’ high dry distillers grain (ddg) silos.
- Elevated concrete storage floors
- Mechanical Reclaimers
- Jumpform technique

Grain
Design, engineer, and construction of seventeen concrete silos storing grain. Sixteen jumpform concrete silos ranging from 24’ to 90’ in diameter and up to 132’ high. One slipform concrete silo 146’ dia. x 98’ high. Over 8 million bushel silo complex and 1,500 ft of reclaim tunnels.
- Jumpform and Slipform Techniques
- Augercast Deep Foundations
- Ring Foundation
- Below Grade Tunnels (7’ high x 8’ 6” wide)
- Flat Storage Floors
- Steel Fabrication of all Silo Openings
- Fabrication of Ladders and Platforms
- Utilized Hoffmann’s GCI Crane to Facilitate Construction Schedule
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Kaolin
Two 40’ dia. x 84’ high kaolin silos.
Two 40’ dia. x 56’ high jumpform silos supported by a concrete structure, 20’ high x 42’ wide x 84’ long clear span with a 7’ thick roof.
- Jumpform technique

Limestone
- Five (5) 32’ dia. x 80’ high jumpform limestone silos.
- One (1) 26’ dia. x 62’ high jumpform limestone silo.
- Carbon steel conical hoppers in all silos.

Sand and Gravel
Hoffmann constructed four (4) 24’ dia. x 44’ high reinforced concrete silos for the storage of sand and gravel in the mining and cement industries.
- Jumpform technique
- Above grade tunnels

Saw Dust
Three (3) 30’ dia. x 154’ high saw dust silos.
- Elevated storage floors for truck loading
- Jumpform technique
- Mechanical Reclaimer
- Truck drive-through

Slag
Two (2) 50′ dia. x 125′ high concrete silos storing slag products for the cement industry.
- Elevated concrete inverted cones
- Truck drive-through
- Slipform technique

Soybean Meal
Five (5) 50’ dia. x 88’ high jumpform soybean meal silos.
- Elevated concrete storage floors
- Mechanical reclaimers
Hoffmann also constructed on site:
Two (2) 84’ dia. x 120’ high jumpform grain silos.
- Above grade tunnels
- Concrete floors with aeration ductwork cast in place

Thorium
One 112’ dia. x 47’ high thorium silo.
- Mat slab foundation
- Slipform walls
- Beam supported roof
- Slipform silo

Wood Waste Biomass Silos
One 40’ dia. x 80’ high wood waste biomass storage silo.
- Driven pipe piling
- Above grade tunnel
- Elevated storage floor
- Mechanical reclaimer
- Jumpform silo
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Have a Project in Mind?
Let’s Get Building!
Expert design-build firm specializing in reinforced concrete silos & industrial chimneys since 1914. Trusted nationwide for durable storage solutions.
6001 49th Street South
Muscatine, Iowa 52761
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(563) 263-4733
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