ASTM D2938 PDF

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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Specimens in the form of core are preferred for a more precise classification. The electronic file may not be reproduced in any way.

asm In addition the electronic files may not be downloaded or distributed elsewhere over computer networks or otherwise. Sample Size Requirements Rock samples are grouped on the basis of both rock type and estimated strength.

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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Size and shape requirements for diametral, axial, block, or irregular lump testing are presented in the test method.

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When testing irregular-shaped specimens obtained by other zstm at least 20 specimens are selected. Specimens shall be free from abrupt irregularities that can generate stress concentrations.

ASTM D, Test equipment Controls

Enter your personal account email address to request a password reset: No items in cart. When testing core or block specimens at least ten specimens are selected.

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Are you sure you want to empty the cart? Print 1 2 3 4 5 page sstarting from page current page. The point load test allows testing of rock specimens that do not meet the dimensional requirements of the uniaxial compression astk. Please sign into an account with a subscription to this content, or email for help at support madcad.

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Geotechnical Laboratory

Content only available by subscription. Remember me for one month. The concentrated load is applied through coaxial, truncated conical platens. Enter your account email address to request a password reset: 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.

You currently cannot view this content. The failure load is used to calculate the point load strength index and to estimate the uniaxial compressive strength.