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|Title:||Design concept and analysis for a navigation dam gate guard|
|Authors:||Hammack, E. Allen.|
Stockstill, Richard L.
Vaughn, Jane M.
Belleville Locks and Dam
Cheatham Lock and Dam
Lock and Dam No. 2
Montgomery Lock and Dam
Smithland Locks and Dam
Spillway gate piers
|Publisher:||Coastal and Hydraulics Laboratory (U.S.)|
Engineer Research and Development Center (U.S.)
|Series/Report no.:||Technical note (Coastal and Hydraulics Engineering (U.S.)) ; IX-26.|
PURPOSE: Accidents on navigable waterways in the United States can cause barge tows to break up and, subsequently, individual barges to be carried downstream by the current. As a breakaway barge approaches a navigation structure, its path is essentially determined by the flow patterns around the lock and dam. A primary concern is that a barge will travel to the dam, pass between spillway gate piers, and either strike a gate or become jammed. Either way, the result can be the loss of gate control and perhaps the loss of a navigable pool. Hite (2008) reports on recent closures of U.S. Army Corps of Engineers navigation projects attributed to tow/barge accidents. These accidents have been costly to the towing industry due to closures and to the government due to expensive structural repairs. Examples of accidents that have occurred in the last decade include events on the Ohio River at Belleville Locks and Dam (Figure 1) and at Montgomery Lock and Dam both in January 2005, Smithland Locks and Dam in April 2005, Lock and Dam No. 2 on the Red River in December 2004, and Cheatham Lock and Dam on the Cumberland River in March 2002 (Figure 2).
|Appears in Collections:||CHETN - SECTION 09 - Navigation|