The Consolidated Undrained Test (often abbreviated as CU Test) is a laboratory procedure used to determine the shear strength of saturated soil. In this test, a soil sample is first consolidated under a specific load, allowing excess pore water pressure to dissipate. After consolidation, the sample is sheared without allowing drainage, simulating conditions that occur during rapid loading, such as in construction. This test is crucial for understanding the behavior of soils in saturated conditions, particularly for projects involving foundations, embankments, and earth dams. The results help engineers assess the stability and safety of structures built on or within these soils.