GeoTesting Express is a provider of Rock Testing Services – ASTM D, Standard Test Method for Unconfined Compressive Strength of Intact Rock Core . All the Controls products ASTM D standard. Enter now!. ASTM D “Standard Test Method for Unconfined ASTM D “ Standard Test Methods for Compressive Strength and.

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The uniaxial compression test see ASTM D is used to determine compressive strength of rock specimens, but it is a time-consuming and expensive test that requires specimen preparation. Print 1 2 3 4 5 page sstarting from page current page. Enter your account email address to request a password reset: Size and shape requirements for diametral, axial, block, d29388 irregular lump testing are presented in the test method.

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Enter your personal account email atm to request a password reset: Content only available by subscription. In addition the electronic files may not be downloaded or distributed elsewhere over computer networks or otherwise. The concentrated load is applied through coaxial, truncated conical platens.


The failure load is aztm to calculate the point load strength index and to estimate the uniaxial compressive strength.

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Sample Size Requirements Rock samples are grouped on the basis of both rock type v2938 estimated strength. If you like to setup a quick demo, let us know at support madcad. Specimens in the form of core are preferred for a more precise classification. Remember me for one month.

When testing irregular-shaped specimens obtained by other means at least 20 specimens are selected. Are you sure you want to empty the cart? Please sign into an account with a subscription to asym content, or email for help at support madcad.

ASTM D, Test equipment Controls

No items in cart. ASTM grants you a license as follows: When testing core or block specimens at least ten specimens are selected.

The right to access the electronic files of ASTM Standards is for purposes of viewing for individual use only. Specimens shall be free from abrupt irregularities that can generate stress concentrations.


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The point load test allows testing of rock specimens that do not meet the dimensional requirements of the uniaxial compression test. No further reproductions authorized. When extensive testing is required for preliminary and reconnaissance information, alternative tests such as the point load test can be used in the field or laboratory to reduce the time and cost of compressive strength tests.

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