The Shear Strength Test is a method used to determine the ability of a material, such as soil or concrete, to resist shear stress. This test measures how much force a material can withstand before it fails or deforms. It is essential in engineering and construction to ensure that structures can support loads without collapsing. During the test, a sample is subjected to a controlled shear force until it fails. The results help engineers assess the stability of foundations and slopes, ensuring safety in projects involving buildings, bridges, and other structures. Understanding shear strength is crucial for effective design and construction practices.