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|Title:||In situ geophysical investigation of the pile test section, Sardis Dam, Mississippi|
|Authors:||United States. Army. Corps of Engineers. Vicksburg District.|
Llopis, José L.
Sardis Dam, Mississippi
Earthquake hazard analysis
|Publisher:||Geotechnical Laboratory (U.S.)|
Engineer Research and Development Center (U.S.)
|Series/Report no.:||Technical report (U.S. Army Engineer Waterways Experiment Station) ; GL-94-1.|
Abstract: An in situ geophysical investigation consisting of crosshole and downhole shear wave (S-wave) and surface vibratory tests was performed at Sardis Dam, located on the Tallahatchie River in northwest Mississippi. The tests were conducted in a pile test section at the downstream toe of the dam. The purpose of the investigation was to determine changes in S-wave velocities, which are related to soil strength, in the test section due to pile driving activities. The tests were conducted prior to driving the piles, immediately after and 3 months after the piles had been driven. The S-wave crosshole and surface vibratory tests indicated a significant velocity increase due to the driving of the piles in the test section. The downhole S-wave test did not detect any significant velocity increases.
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