Repair of Waterstop Failures

by Ernest K. Schrader, (M.ASCE), Materials Engineer; U.S. Army Corps of Engineers, Walla Walla, Wash.,

Serial Information: Journal of the Energy Division, 1980, Vol. 106, Issue 2, Pg. 155-163

Document Type: Journal Paper


Various methods of repairing failed waterstops or creating new waterstops where the old ones have failed have been examined. The work considered primarily relates to high pressure conditions at working joints such as occurrs in dams, but it is also applicable to many other types of structures. Field experience for each repair method is described. Advantages and disadvantages of each method is analyzed. A new concept of drilling along a joint and filling the hole with elastic filler to create a cast-in-place waterstop has been used with good success.

Subject Headings: Failure analysis | Joints | Dams | Drilling | Elastic analysis | Cast in place

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