Quote image editor
“The funnel-shaped devices are tremie tubes, which are apparently being used to avoid having the wet concrete free fall into the forms where the 4-cubic-yard buckets could not fit to pour directly.” — Ray Bottenberg
The funnel-shaped devices are tremie tubes, which are apparently being used to avoid having the wet concrete free fall into the forms where the 4-cubic-yard buckets could not fit to pour directly.