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ASTM C 128

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Uploaded by on Oct 8, 2008

Densidad, densidad relativa (gravedad específica) y absorción del agregado fino

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Education

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  • HOLA!! Just letting you know this test method was not performed correctly. You do not decant the water like was shown, the tamper drop height is supposed to be 5 mm not over an inch. The sample should not be pressed with the thumbs and should shear slightly, the sample shown did not slump or shear. The pycnometer should have a capacity of 500 ml, it looks like the one shown in this video is 1000 ml.

    I am an ACI examiner.

  • son muy buenos !! grasias por apoyar difundir el conocimiento:..

  • hola, de que pais son??? soy de mexico saludos, buenos videos

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