Term Details

Display Hierarchical | Alphabetical | KWOC | KWIC


Top Terms > Facilities > Transportation, hydraulic and utility facilities > Hydraulic structures > Dams > Types of dams > Cofferdams

Find related records

Search with TRT term only:

TRB Publications Index
Research in Progress
TRID

Expanded search with
narrower TRT terms:

TRB Publications Index
Research in Progress
TRID

Cofferdams (Pmhmbc)

Definition
Barriers built in the water so as to form an enclosure from which the water is pumped to permit free access to the area within. Also, water-tight enclosures used for obtaining a dry foundation for bridges, piers, etc. Usually constructed of two rows of piles with clay packed between them, extending above high-water mark; the water being pumped out so as to leave the enclosure dry. (Source: AASHTO Glossary)
Broader Term
Types of dams (Pmhmb)
Related Terms (Hierarchical)
Arch dams (Pmhmbb)
Concrete dams (Pmhmbd)
Earth dams (Pmhmbe)
Gravity dams (Pmhmbg)
Rockfill dams (Pmhmbr)
Weirs (Pmhmbw)