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The Decorative Concrete Overlay business is an exploding new industry. It is just now catching the public eye.
However, this process has actually existed for over thirty years.
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Concrete Conveyors – Troubleshooting to Keep Things Flowing Smoothly
By Bruce Orr
Concrete conveyors are a common sight at new housing developments. In fact, it’s hard to imagine
a new house being built without one. But even the highly efficient concrete conveyor can get bogged
down. An article published by The Aberdeen Group talks about fine tuning your concrete conveyor to
maximize efficiency.
Conveying Concrete - Common Problems and Solutions
The most common issues with concrete conveyors are summarized in the Aberdeen article. These
include:
• Spillage. If concrete spills off the edge of the belt, chances are the conveyor belt was overloaded. Do
not let the charging hopper get filled up, as it is designed to absorb surges in flow. If the belt tension on
the conveyor is too low, it can also cause spilling. Use the conveyor’s pulleys to adjust the tension.
• Discharge hopper contains concrete plugs. This could be caused by overloading the belt. If the
discharge hopper is tilted too far, it may prevent gravity from pulling the concrete through the hopper.
Foreign objects in the aggregate or broken bits of dry concrete may also cause obstructions in the
discharge hopper.
• Aggregate rollback. High concrete slump or inconsistent loading can cause rollback. If you are using
the conveyor at a steep angle, be sure to pay close attention to maximum slump and the amount being
loaded on the belt. When possible, make sure concrete flows down the chute in the direction the belt is
traveling.
• Segregation after discharge. If segregation occurs after the concrete leav