A material or product is squeezed or compressed between platens. Compression testing can be performed on materials for a variety of purposes. Depending on the material type, compressive properties can be dramatically different than tensile properties. Compression tests can be performed statically or dynamically. Dynamic testing is more common as it better simulates the loading found in pavements. The most common fixture for compression testing are compression platens. Ideally, a set of compression platens will provide parallel surfaces for loading of the specimen. They also should be of sufficient hardness and smoothness as not to influence the specimen results.
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