International Commission on Irrigation & Drainage Commission Interationale des Irrigation et du Drainage
5822. Ohio (river)-type coffer dam : A double-wall timber sheeted coffer dam constructed during low velocities in the river in a unique manner as on the Ohio river (USA). The sheeting is not driven into the bed, but is set into a system of articulating wales and tie rods forming the skeleton framework, that is lowered into the river from a barge. The space between the sheetings is filled with impervious material (illustrated). Skeleton framework is illustrated. | ||