Bluestone Dam, in Hinton, West Virginia, was built between 1941 and 1949 to control flooding in the New and Kanawha River Valleys. It’s constructed of a series of 55 x 165 ft high, 22 ft wide (at base) interlocked concrete monoliths. Recent calculations identified the possibility for dam failure due to the monoliths sliding on the bedrock.
As a result, a total of 216 high-strength anchors, comprising of 58 to 61/0.6 high strength multi strands, were installed at critical monoliths to stabilize the dam. This photo, kindly shared by DSI America, shows a GEOKON Model 4900-3500-12 Vibrating Wire Load Cell mounted on the 15,000 kN hydraulic ram (20" stroke) used to stress the anchors.
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