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  2. Diametral compression test - Wikipedia

    en.wikipedia.org/wiki/Diametral_compression_test

    A diametral compression test involves applying a stress load or force to the point where a material object is split in half (down the diameter of the object). [1] This test indirectly measures the tensile property of a material object, as the molecules of the material are pushed apart in opposite directions, similar to what happens to molecules in a direct tensile strength test.

  3. Compressive strength - Wikipedia

    en.wikipedia.org/wiki/Compressive_strength

    In mechanics, compressive strength (or compression strength) is the capacity of a material or structure to withstand loads tending to reduce size (compression). It is opposed to tensile strength which withstands loads tending to elongate, resisting tension (being pulled apart).

  4. Container compression test - Wikipedia

    en.wikipedia.org/wiki/Container_compression_test

    Compression test for steel drum. The container compression test measures the compressive strength of packages such as boxes, drums, and cans. It usually provides a plot of deformation vs compressive force. It is commonly used to evaluate shipping containers made of corrugated fiberboard as well as wooden boxes and crates.

  5. Proctor compaction test - Wikipedia

    en.wikipedia.org/wiki/Proctor_compaction_test

    The Proctor compaction test is a laboratory method of experimentally determining the optimal moisture content at which a given soil type will become most dense and achieve its maximum dry density. The test is named in honor of Ralph Roscoe Proctor [ de ] , who in 1933 showed that the dry density of a soil for a given compactive effort depends ...

  6. Wet strength - Wikipedia

    en.wikipedia.org/wiki/Wet_strength

    To improve the wet strength it is common to use chemicals. The use of chemicals can retain as much as 10% to 30% of the original dry strength of the paper. [1] The wet strength chemicals may improve the dry strength of the paper as well. A Japanese research team found that the effect of humidity on cardboard differs depending on how it is ...

  7. Floor slip resistance testing - Wikipedia

    en.wikipedia.org/wiki/Floor_slip_resistance_testing

    Tests can be performed dry, wet with soapy water and bare feet, wet with oil, etc. Over 150 safety criteria have been adopted in Germany and Australia for specific situations — swimming pool decks, commercial kitchens, restrooms, etc. based on the variable-angle ramp, but the ramp itself is not readily portable, so this instrument is only for ...

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