Power Line Foundation Design Using the Pressuremeter

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Briaud, J. L.; Pacal, A. J.; Shively, A. W.
University of Missouri--Rolla
Geotechnical Engineering
conference paper description
During the design phase of a 2000-towers electric power transmission line, a load test program was undertaken to evaluate the accuracy of new design methods for uplift and lateral capacity of drilled shafts. Seven uplift tests and six lateral load tests were performed in three different soil deposits: a medium clay, a very hard clay and a sand. The shafts were 2 ft in diameter and either 10 or 15 ft long. The pressuremeter test results are used together with existing methods to predict the behavior of the shafts.