A Compression Testing Machine (CTM) is a mechanical testing device used to measure the compressive strength of materials such as concrete, rock, brick, and metal. It applies a uniaxial force to a test specimen in a controlled manner until failure occurs.
The CTM typically consists of a hydraulic or servo-electric system, a load cell or pressure gauge, and a platen that contacts the top and bottom surfaces of the specimen. The machine can be used to determine the strength, stiffness, and deformation characteristics of materials, and is commonly used in construction, engineering, and material science applications.