The specific shear strength parameter for cohesive soils that is directly determined from an Unconfined Compression Test (UCT) is the undrained shear strength (cu).
The Unconfined Compression Test (UCT) is a laboratory procedure conducted on a cylindrical specimen of cohesive soil, such as clay, without any lateral confining pressure applied to its sides. The test involves applying a gradually increasing axial compressive load to the specimen until it fails, which is typically identified by a sudden decrease in ....
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