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Wolf Creek Dam Concrete Diaphragm Walls Final Completion Reports. Phases I and II

机译：Wolf Creek大坝混凝土防渗墙最终完工报告。阶段I和II

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Severe foundation seepage problems led to the necessity of a permanent solution at Wolf Creek Dam after an emergency grouting problem was completed in 1972. A board of consultants was convened whose adopted recommendations were to install pile type concrete walls through the embankment of the dam and the area between the switch yard and the tailrace. Because the general nature of the work was relatively unknown to District personnel, and the extent of the specific scope of work was extreme even for experienced slurry wall contractors, a two-step bidding procedure was established and eventually awarded to ICOS Corporation of America. The construction was split into two phases, with approximately half the embankment wall and all of the switch yard wall in Phase I and the remainder in Phase II. The walls are comprised of 26 in. steelcased, tremie concreted caissons on 4.5 foot centers connected by concrete elements tremied through open excavation. All excavation was conducted through a full head at bentonite slurry. The wall reached a maximum depth of 278 foot. Construction was accomplished from 1975-80 under the administration of the Nashville District, Corps of Engineers. Wolf Creek Dam is located in Southcentral Kentucky. Wolf creek dam; Slurry walls; Concrete diaphragm wall; Geology; Two step bidding; Tremie concrete; Instrumentation; ICOS. (eg)

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