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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When testing irregular-shaped specimens obtained by other means at least 20 specimens are selected. Specimens in the form c2938 core are preferred for a more precise classification. Sample Size Requirements Rock samples are grouped on the basis of both rock type and estimated strength.
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Enter your personal account email address to request a password reset: The failure load is used to calculate the point load strength index and to estimate the uniaxial compressive strength. ASTM grants you a license as follows: No further reproductions authorized. Are you sure you want to empty the cart? Enter your account email address to request a password reset: If you like to setup a quick demo, let us know at support madcad.
When extensive testing is required for preliminary and reconnaissance information, alternative tests such c2938 the point load test can be used in the field or laboratory to atsm the time and cost of compressive strength tests. Content only available by subscription.
Specimens shall be free from abrupt irregularities that can generate stress concentrations. Size and shape requirements for diametral, d29938, block, or irregular lump testing are presented in the test method.
The point load test allows testing of rock specimens that do not meet the dimensional requirements of the uniaxial compression test. Print 1 2 3 4 5 page sstarting from page current page. Register for a trial account. In addition the electronic files may not be downloaded or distributed asym over computer networks or otherwise.
Remember me for one month. The uniaxial compression test see ASTM D asttm used to determine compressive strength of rock specimens, but it is a time-consuming and expensive test that requires specimen preparation.
The concentrated load is applied through coaxial, truncated conical platens. No items in cart.
Please login to your authorized staff account to use this feature. Search book title Enter keywords for book title search. 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 zstm use only. You currently cannot view this content.
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