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UNCONFINED COMPRESSION TEST

Department of Construction Engineering Advanced Geotechnical Laboratory Chaoyang University of Technology -- UNCONFINED COMPRESSION Test -- 1 UNCONFINED COMPRESSION TEST PURPOSE The purpose of this laboratory is to determine the UNCONFINED compressive strength of a cohesive soil sample. We will measure this with the UNCONFINED COMPRESSION test, which is an unconsolidated undrained (UU or Q-type) test where the lateral confining pressure is equal to zero (atmospheric pressure).

8. Shear the sample at a strain rate of 1% per minute. Typically, the sample fails in one of two ways. In stiffer clays, a distinct failure plane forms. For this type of failure, it is likely that the point of failure will be indicated by the measurement of a peak and then a decrease in load.

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