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Measurement of earth pressures by means of the flat jack test
P. Habib, R. Marchand, Severine Britt (translator)
1953, Open-File Report 54-31
This study deals with the principle and application of a method of measuring the stresses around a rock gallery. The measuring principle consists of cutting a drain in a gallery wall, observing the corresponding stress lessening, then restoring the initial state of stress by means of a Freyssinet flat jack. The...