Tremie seal | Article about tremie seal by The Free Dictionary
Concrete placed under water by means of a tremie
to seal a cofferdam or caisson so that water may be pumped out.
References in periodicals archive
After the tremie seal
gains strength, the cofferdam is dewatered and footing construction begins.
The north tower foundation plans originally called for a 6-meter-thick reinforced concrete footing with a 2-meter-thick concrete tremie seal
The tremie seal
would be poured after the cofferdam had been completely excavated, and would be in direct contact with the bottom of the bay.