This test provides immediate results, strength, and real properties of the concrete structure. Non-destructive testing of concrete is a method to obtain the compressive strength and other properties of concrete from existing structures. The standard method of assessing the quality of concrete in buildings or structures is to test cast samples simultaneously for compressive, flexural, and tensile strength. Although there can be no direct measurement of this strength properties of structural concrete for the simple reason that determination of strength involves destructive stresses, several non-destructive assessment methods have been developed.